Gregory Merrill Koshkarian, MD - Medicare Cardiovascular Disease (cardiology) in Tucson, AZ

Gregory Merrill Koshkarian, MD is a medicare enrolled "Internal Medicine - Cardiovascular Disease" physician in Tucson, Arizona. He went to Yale University School Of Medicine and graduated in 1989 and has 35 years of diverse experience with area of expertise as Cardiovascular Disease (cardiology). He is a member of the group practice Pima Heart Physicians Pc and his current practice location is 6080 N La Cholla Blvd # 200, Tucson, Arizona. You can reach out to his office (for appointments etc.) via phone at (520) 797-8550.

Gregory Merrill Koshkarian is licensed to practice in Arizona (license number 24327) and he also participates in the medicare program. He accepts medicare assignments (which means he accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance) and his NPI Number is 1164425096.

Contact Information

Gregory Merrill Koshkarian, MD
6080 N La Cholla Blvd # 200,
Tucson, AZ 85741-3533
(520) 797-8550
(520) 797-6986

Map and Direction




Physician's Profile

Full NameGregory Merrill Koshkarian
GenderMale
SpecialityCardiovascular Disease (cardiology)
Experience35 Years
Location6080 N La Cholla Blvd # 200, Tucson, Arizona
Accepts Medicare AssignmentsYes. He accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance.
  Medical Education and Training:
  • Gregory Merrill Koshkarian attended and graduated from Yale University School Of Medicine in 1989
  NPI Data:
  • NPI Number: 1164425096
  • Provider Enumeration Date: 05/24/2005
  • Last Update Date: 01/29/2020
  Medicare PECOS Information:
  • PECOS PAC ID: 2567351349
  • Enrollment ID: I20040617001561

Medical Identifiers

Medical identifiers for Gregory Merrill Koshkarian such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1164425096NPI-NPPES
1033508OtherAZFIRST HEALTH
10055687OtherAZPPO NEXT
1Z3634OtherAZHEALTH NET
351057MedicaidAZ
XPY196923MedicaidCA
102612OtherAZPREFERRED HEALTH NETWORK
5073466OtherAZCCN
0143348OtherWASTATE OF WA DEPT OF LABOR
100666OtherAZONE HEALTH
AZ0860310OtherAZBCBS OF ARIZONA
060057126OtherAZRAILROAD MEDICARE
1172298 00MedicaidWY
5132491OtherAZAETNA
005502491OtherAZCIGNA
2198525OtherAZGHI
25-00275OtherAZUNITED HEALTHCARE
8274243OtherWASTATE OF WA HLTH & SOC SR

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207RC0000XInternal Medicine - Cardiovascular Disease 24327 (Arizona)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Northwest Medical CenterTucson, AZHospital
Oro Valley HospitalOro valley, AZHospital
St. Mary's HospitalTucson, AZHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Pima Heart Physicians Pc650775129468

Medicare Reassignments

Some practitioners may not bill the customers directly but medicare billing happens through clinics / group practice / hospitals where the provider works. Medicare reassignment of benefits is a mechanism by which practitioners allow third parties to bill and receive payment for medicare services performed by them. Gregory Merrill Koshkarian allows following entities to bill medicare on his behalf.
Entity NamePima Heart Physicians Pc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1730137480
PECOS PAC ID: 6507751294
Enrollment ID: O20040220000507

Medicare Part D Prescriber Enrollment

Any physician or other eligible professional who prescribes Part D drugs must either enroll in the Medicare program or opt out in order to prescribe drugs to their patients with Part D prescription drug benefit plans. Gregory Merrill Koshkarian is enrolled with medicare and thus, if eligible, can prescribe medicare part D drugs to patients with medicare part D benefits.

Mailing Address and Practice Location

Mailing AddressPractice Location Address
Gregory Merrill Koshkarian, MD
3709 N Campbell Ave, Ste 201,
Tucson, AZ 85719-1563

Ph: (520) 838-3540
Gregory Merrill Koshkarian, MD
6080 N La Cholla Blvd # 200,
Tucson, AZ 85741-3533

Ph: (520) 797-8550

Reviews and Comments


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Medicare Program: Medicare is a federal government program which provides health insurance to people who are 65 or older. This program also covers certain younger people with disabilities (who receive Social Security Disability Insurance - SSDI), and people with End-Stage Renal Disease (permanent kidney failure requiring dialysis or a transplant, sometimes called ESRD.

Medicare Assignment: Assignment means that your doctor, provider, or supplier agrees (or is required by law) to accept the Medicare-approved amount as full payment for covered services. Most doctors, providers, and suppliers accept assignment, but you should always check to make sure. Participating providers have signed an agreement to accept assignment for all Medicare-covered services.

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