DR. BAYARD WON CHANG M.D. NPI 1104816255

NPI Information

  • NPI: 1104816255
  • Provider Name: DR. BAYARD WON CHANG, M.D.
  • Classification: Internal Medicine - 207R00000X
  • Entity Type: Individual
  • PECOS Registration: Yes
  • CLIA Number: 05D0940776
  • Address: 500 UNIVERSITY AVE
    SUITE 111
    SACRAMENTO, CA
    ZIP 95825
  • Phone: (916) 929-2526

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NPI Details

DR. Bayard Won Chang, M.D. is an internal medicine in Sacramento, CA with 39 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. DR. Bayard Won Chang, M.D. NPI is 1104816255. The provider is registered as an individual entity type.

The NPPES NPI record indicates the provider is a male.

Education
Medical School: GEORGETOWN UNIVERSITY SCHOOL OF MEDICINE
Graduation Year:1987

The provider's business location address is:

500 UNIVERSITY AVE
SUITE 111
SACRAMENTO, CA
ZIP 95825-504
Phone: (916) 929-2526
Fax: (916) 929-6128

The NPI 1104816255 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 05D0940776 - 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.

  • Injection, denosumab, 1 mg (HCPCS:J0897)
  • Established patient office or other outpatient visit, 20-29 minutes (HCPCS:99213)
  • Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report (HCPCS:93000)
  • Established patient office or other outpatient visit, 40-54 minutes (HCPCS:99215)
  • Administration of influenza virus vaccine (HCPCS:G0008)
  • Influenza vaccine split virus, preservative free (HCPCS:90662)
  • Injection, triamcinolone acetonide, not otherwise specified, 10 mg (HCPCS:J3301)
  • Fee covid-19 vac 14 res (HCPCS:0134A)
  • Established patient office or other outpatient visit, 30-39 minutes (HCPCS:99214)
  • Stool analysis for blood to screen for colon tumors (HCPCS:82270)
  • Adm sarscov2 50 mcg/.5 mlbst (HCPCS:0094A)
  • Injection of drug or substance under skin or into muscle (HCPCS:96372)
  • Office or other outpatient visit for the evaluation and management of established patient that may not require presence of healthcare professional (HCPCS:99211)
  • Administration of pneumococcal vaccine (HCPCS:G0009)
  • Pneumococcal conjugate vaccine, 20 valent (pcv20), for intramuscular use (HCPCS:90677)
  • Aspiration and/or injection of fluid from large joint (HCPCS:20610)
  • Removal of impacted ear wax (HCPCS:69210)
  • Urinalysis, manual test (HCPCS:81002)
  • 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)
  • Destruction of precancer skin growth, 1 growth (HCPCS:17000)

The enumeration date for this NPI number is 10/28/2005 and was last updated on 1/25/2008.

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
1207R00000XInternal MedicineG064347CALIFORNIAYes

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
100G643470MEDICARE ID-TYPE UNSPECIFIEDCALIFORNIA
2F02367MEDICARE UPINCALIFORNIA

What is NPI?

NPI stands for National Provider Identifier. The NPI is a 10-digit identification number that is completely unique. The NPI number by itself does not contain any identifiable information such as a provider’s speciality or location. The NPI is assigned to individuals or organizacions for their lifespan and it is independent of key provider information type updates like a change of practices, location or speciality.

This page was last updated on: 11/21/2025

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