GREGORY MERRILL KOSHKARIAN MD NPI 1164425096

NPI Information

  • NPI: 1164425096
  • Provider Name: GREGORY MERRILL KOSHKARIAN, MD
  • Classification: Internal Medicine - 207RC0000X
  • Specialization: Cardiovascular Disease
  • Entity Type: Individual
  • PECOS Registration: Yes
  • Address: 6080 N LA CHOLLA BLVD # 200
    TUCSON, AZ
    ZIP 85741
  • Phone: (520) 797-8550

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NPI Details

Gregory Merrill Koshkarian, MD is a cardiovascular disease internal medicine in Tucson, AZ with 37 years of experience. The provider is an internist who specializes in diseases of the heart and blood vessels and manages complex cardiac conditions such as heart attacks and life-threatening, abnormal heartbeat rhythms. Gregory Merrill Koshkarian, MD NPI is 1164425096. The provider is registered as an individual entity type.

The NPPES NPI record indicates the provider is a male.

Education
Medical School: YALE UNIVERSITY SCHOOL OF MEDICINE
Graduation Year:1989

The provider's business location address is:

6080 N LA CHOLLA BLVD # 200
TUCSON, AZ
ZIP 85741-533
Phone: (520) 797-8550
Fax: (520) 797-6986

The NPI 1164425096 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 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.

  • High osmolar contrast material, 300-349 mg/ml iodine concentration, per ml (HCPCS:Q9962)
  • Established patient office or other outpatient visit, 30-39 minutes (HCPCS:99214)
  • Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report (HCPCS:93000)
  • Ultrasound of heart with color-depicted blood flow, rate, direction and valve function (HCPCS:93306)
  • Management using the results of remote vital sign monitoring per calendar month, first 20 minutes (HCPCS:99457)
  • New patient office or other outpatient visit, 45-59 minutes (HCPCS:99204)
  • Evaluation of implantable heart and blood vessel monitoring system, remote up to 30 days (HCPCS:93297)
  • Evaluation of single, dual, multiple lead or leadless pacemaker system, remote up to 90 days (HCPCS:93294)
  • Evaluation of cardiac rhythm monitor system, remote up to 30 days (HCPCS:93298)
  • Interrogation device evaluation(s), (remote) up to 30 days; implantable cardiovascular physiologic monitor system, implantable loop recorder system, or subcutaneous cardiac rhythm monitor system, remote data acquisition(s), receipt of transmissions and tec (HCPCS:G2066)
  • Electrocardiogram (ecg) up to 30 days continuous with transmission of patient triggered events with review and report by health care professional (HCPCS:93229)
  • Electrocardiogram (ecg) up to 30 days continuous with review and report by health care professional (HCPCS:93228)
  • Electrocardiogram (ecg) 2-day continuous with review and report by health care professional (HCPCS:93224)
  • Ultrasound of heart with color-depicted blood flow, rate and valve function (HCPCS:93325)
  • Ultrasound of heart with continuous electrocardiogram (ecg) during rest, exercise and/or drug induced stress with review and report (HCPCS:93351)
  • Ultrasound of heart blood flow, valves and chambers (HCPCS:93320)
  • Programming of dual lead pacemaker system (HCPCS:93280)
  • Exercise or drug-induced heart stress test with electrocardiogram (ecg) with supervision and review by physician (HCPCS:93015)
  • Evaluation of single, dual, or multiple lead implantable defibrillator system, remote up to 90 days (HCPCS:93295)
  • Injection of drug or substance into vein (HCPCS:96374)
  • Established patient office or other outpatient visit, 40-54 minutes (HCPCS:99215)
  • Ultrasound of heart with color-depicted blood flow, rate, direction and valve function (HCPCS:93306)
  • Ct scan of blood vessels of chest with contrast (HCPCS:71275)
  • Established patient office or other outpatient visit, 20-29 minutes (HCPCS:99213)
  • Follow-up hospital inpatient care per day, typically 25 minutes (HCPCS:99232)
  • External shock to heart to regulate heart beat (HCPCS:92960)
  • Home sleep test (hst) with type iii portable monitor, unattended; minimum of 4 channels: 2 respiratory movement/airflow, 1 ecg/heart rate and 1 oxygen saturation (HCPCS:G0399)
  • Initial hospital inpatient care per day, typically 30 minutes (HCPCS:99221)

The enumeration date for this NPI number is 5/24/2005 and was last updated on 1/29/2020.

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
1207RC0000XInternal MedicineCardiovascular Disease24327ARIZONAYes

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
10143348OTHERWASHINGTONSTATE OF WA DEPT OF LABOR
210055687OTHERARIZONAPPO NEXT
31172298 00MEDICAIDWYOMING
41Z3634OTHERARIZONAHEALTH NET
5XPY196923MEDICAIDCALIFORNIA
61033508OTHERARIZONAFIRST HEALTH
725-00275OTHERARIZONAUNITED HEALTHCARE
8351057MEDICAIDARIZONA
95132491OTHERARIZONAAETNA
10102612OTHERARIZONAPREFERRED HEALTH NETWORK
118274243OTHERWASHINGTONSTATE OF WA HLTH & SOC SR
12100666OTHERARIZONAONE HEALTH
132198525OTHERARIZONAGHI
145073466OTHERARIZONACCN
15AZ0860310OTHERARIZONABCBS OF ARIZONA
16005502491OTHERARIZONACIGNA
17060057126OTHERARIZONARAILROAD MEDICARE

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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