NPI Details
Gustavo Horacio Day, M.D. is an internal medicine in Dallas, TX with 36 years of experience. The provider is a physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs. Gustavo Horacio Day, M.D. NPI is 1538239173. The provider is registered as an individual entity type.
The NPPES NPI record indicates the provider is a male.
The provider's business location address is:
7777 FOREST LN
BUILDING B, SUITE416
DALLAS, TX
ZIP 75230-505
Phone: (972) 566-6764
Fax: (972) 566-6968
The NPI 1538239173 is registered in the Medicare Provider, Enrollment, Chain and Ownership System (PECOS). The provider is legally eligible to order and refer Part B (Clinical Laboratory and Imaging), Durable Medical Equipment, Part A Home Health Agency (HHA), Power Mobility Devices.
The CLIA number assigned to this NPI record is 45D0925197 - physician office with a certificate type of Certificate of Waiver.
The following top HCPCS codes were publicly reported for this provider under the Medicare program for the year 2016. The reported codes are based on the top codes for each available Medicare specialty, excluding evaluation and management codes.
- Established patient office or other outpatient visit, 30-39 minutes (HCPCS:99214)
- Injection, dexamethasone sodium phosphate, 1 mg (HCPCS:J1100)
- Injection, ceftriaxone sodium, per 250 mg (HCPCS:J0696)
- Injection of drug or substance under skin or into muscle (HCPCS:96372)
- Injection, ketorolac tromethamine, per 15 mg (HCPCS:J1885)
- Blood test, comprehensive group of blood chemicals (HCPCS:80053)
- Complex chronic care management services for two or more chronic conditions, first 60 minutes of clinical staff time directed by health care professional, per calendar month (HCPCS:99487)
- Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count (HCPCS:85025)
- Hemoglobin a1c level (HCPCS:83036)
- Injection, vitamin b-12 cyanocobalamin, up to 1000 mcg (HCPCS:J3420)
- Blood test, lipids (cholesterol and triglycerides) (HCPCS:80061)
- Blood test, thyroid stimulating hormone (tsh) (HCPCS:84443)
- Uric acid level, blood (HCPCS:84550)
- Vitamin d-3 level (HCPCS:82306)
- Thyroid hormone, t3 measurement, free (HCPCS:84481)
- Insulin measurement, total (HCPCS:83525)
- Testing for presence of drug, by chemistry analyzers (HCPCS:80307)
- Management using the results of remote vital sign monitoring per calendar month, first 20 minutes (HCPCS:99457)
- Remote monitoring of physiologic parameters, initial supply of devices with daily recordings or programmed alerts transmission, each 30 days (HCPCS:99454)
- Parathormone (parathyroid hormone) level (HCPCS:83970)
- Thyroxine (thyroid chemical), free (HCPCS:84439)
- Testosterone (hormone) level, free (HCPCS:84402)
- Urinalysis, manual test (HCPCS:81002)
- Creatine kinase (cardiac enzyme) level, total (HCPCS:82550)
- Iron level (HCPCS:83540)
- Established patient office or other outpatient visit, 20-29 minutes (HCPCS:99213)
- Magnesium level (HCPCS:83735)
- Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report (HCPCS:93000)
- Red blood cell sedimentation rate, to detect inflammation, non-automated (HCPCS:85651)
- Iron binding capacity (HCPCS:83550)
- Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (HCPCS:G0439)
- Natriuretic peptide (heart and blood vessel protein) level (HCPCS:83880)
- Annual depression screening, 15 minutes (HCPCS:G0444)
- Ultrasound of both sides of head and neck blood flow (HCPCS:93880)
- Blood glucose (sugar) test performed by hand-held instrument (HCPCS:82962)
- Urine microalbumin (protein) level (HCPCS:82043)
- Electrocardiogram (ecg) 1 to 3 leads with review by physician (HCPCS:93040)
- Testing of autonomic (sympathetic and parasympathetic) nervous system function, at least 5 minutes of tilt (HCPCS:95924)
- Testing of autonomic (sympathetic) nervous system function (HCPCS:95923)
- Creatinine level to test for kidney function or muscle injury (HCPCS:82570)
- Prostate cancer screening; prostate specific antigen test (psa) (HCPCS:G0103)
- Test for balance and posture (HCPCS:92548)
- Nasal smear for eosinophils (allergy related white blood cells) (HCPCS:89190)
- Measure of severe acute respiratory syndrome coronavirus 2 (covid-19) antibody (HCPCS:86769)
- Influenza vaccine, quadrivalent derived from cell cultures (HCPCS:90756)
- Administration of influenza virus vaccine (HCPCS:G0008)
- Management using the results of remote vital sign monitoring per calendar month, each additional 20 minutes (HCPCS:99458)
- Test to measure expiratory airflow and volume (HCPCS:94010)
- Amylase (enzyme) level (HCPCS:82150)
- Test to measure lung airway sensitivity (HCPCS:94070)
- Test to measure expiratory airflow and volume initiated by patient including transmission of tracing, analysis, recalibration of device (HCPCS:94015)
- Ultrasound scan of head and neck soft tissue (HCPCS:76536)
- Lipase (fat enzyme) level (HCPCS:83690)
- Detection test by immunoassay with direct visual observation for severe acute respiratory syndrome coronavirus 2 (covid-19) (HCPCS:87811)
- Lactate dehydrogenase (enzyme) level (HCPCS:83615)
- Complete ultrasound of within the brain blood flow (HCPCS:93886)
- Ultrasound of within the brain blood flow following medication (HCPCS:93890)
- Ultrasound of within the brain blood flow for blood clots (HCPCS:93892)
- Rheumatoid factor level (HCPCS:86431)
- Complete ultrasound study of arm and leg arteries (HCPCS:93923)
- Respiratory infectious agent detection by rna for severe acute respiratory syndrome coronavirus 2 (covid 19), influenza a, influenza b, and respiratory syncytial virus, upper respiratory specimen, each reported as detected or not detected (HCPCS:0241U)
- New patient office or other outpatient visit, 45-59 minutes (HCPCS:99204)
- Ultrasound study of arm and leg arteries (HCPCS:93922)
- Complete ultrasound scan behind abdominal cavity (HCPCS:76770)
- Physician or allowed practitioner re-certification for medicare-covered home health services under a home health plan of care (patient not present), including contacts with home health agency and review of reports of patient status required by physicians a (HCPCS:G0179)
- Glutamyltransferase (liver enzyme) level (HCPCS:82977)
- Multiple measurements of eye fluid pressure over an extended time period (HCPCS:92100)
- Measurement of brain wave activity (eeg), digital analysis (HCPCS:95957)
- Measurement of brain wave activity (eeg), awake and drowsy (HCPCS:95816)
- Evaluation of brain response to sound for diagnosis of nervous system disorders with interpretation and report (HCPCS:92653)
- Measurement of nerve conduction using visual stimulation testing with report (HCPCS:95930)
- Advance care planning, first 30 minutes (HCPCS:99497)
- Test for exercise-induced heart and lung stress (HCPCS:94621)
- Complete ultrasound scan of abdomen (HCPCS:76700)
- Test to determine lung volumes using sensors (HCPCS:94726)
- Test to examine how well the lungs exchange gases (HCPCS:94729)
- Remote monitoring of physiologic parameters, initial set-up and patient education on use of equipment (HCPCS:99453)
- Physician or allowed practitioner certification for medicare-covered home health services under a home health plan of care (patient not present), including contacts with home health agency and review of reports of patient status required by physicians and (HCPCS:G0180)
- Established patient office or other outpatient visit, 10-19 minutes (HCPCS:99212)
- Photography of the retina (HCPCS:92250)
- Evaluation of psychological test, first hour (HCPCS:96130)
- Administration of pneumococcal vaccine (HCPCS:G0009)
- Inhalation treatment for airway obstruction or sputum production (HCPCS:94640)
- Infusion into a vein for hydration, 31-60 minutes (HCPCS:96360)
- Ultrasound study of arm or leg veins with compression and maneuvers (HCPCS:93970)
- Ultrasound of heart with color-depicted blood flow, rate, direction and valve function (HCPCS:93306)
- Breath test analysis for helicobacter pylori (HCPCS:83013)
- Pneumococcal vaccine, 23-valent (HCPCS:90732)
- Ultrasound of leg arteries or artery grafts (HCPCS:93925)
- Administration and interpretation of patient-focused health risk assessment (HCPCS:96160)
- Office or other outpatient visit for the evaluation and management of established patient that may not require presence of healthcare professional (HCPCS:99211)
- Cervical or vaginal cancer screening; pelvic and clinical breast examination (HCPCS:G0101)
- Alcohol and/or substance (other than tobacco) misuse structured assessment (e.g., audit, dast), and brief intervention 15 to 30 minutes (HCPCS:G0396)
- Evaluation of use of breathing device (HCPCS:94664)
- Melanoma (skin cancer) excision (HCPCS:NAN03)
The enumeration date for this NPI number is 11/9/2006 and was last updated on 2/8/2024.
Taxonomy Codes
The NPI record includes the healthcare provider taxonomy classification, state license number and state of licensure. The following information regarding the scope of practice of this provider is available:
| No. |
Taxonomy Code |
Taxonomy Clasification |
Taxonomy Specialization |
License Number |
License State |
Primary |
| 1 | 207R00000X | Internal Medicine | | K1411 | TEXAS | Yes |
Other Identifiers
The following information regarding additional identifiers associated to this NPI record includes the other identifier number, identifier type, identifier state and issuer.
| No. |
Other Provider Identifier |
Other Provider Identifier Type |
Other Provider Identifier State |
Other Provider Identifier Issuer |
| 1 | K1411 | OTHER | TEXAS | MEDICAL LICENSE |
| 2 | P00040AM6 | MEDICAID | TEXAS | |
| 3 | 030243201 | MEDICAID | TEXAS | |