George V. Mazariegos, MD
Specialist · Pittsburgh, PA
George V. Mazariegos, MD is a specialist with a practice address in Pittsburgh, Pennsylvania, and NPI 1497729339, issued on Feb 16, 2006. Check the license (Pennsylvania MD043996L, as entered in NPPES) with the Pennsylvania board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- George V. Mazariegos
- Credential
- MD
- Primary taxonomy
- Specialist 174400000X
- License number
- MD043996L PA
Self-reported in NPPES; status is on the state search - Practice location
- 3705 5TH Ave, Pittsburgh, PA 15213
- Phone
- (412) 692-6110
- Enumerated
- Feb 16, 2006
- Record last updated
- Jul 13, 2026
- Entity
- Type 1 · individual
8 nearest specialist records → All 2,031 in Pennsylvania → Look up another NPI →
Also registered at 3705 5TH Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Jennifer Ames, M.D.Diagnostic Radiology Physician1891940151
- Rajesh AnejaSpecialist1780656173
Verify George V. Mazariegos in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Pennsylvania board licenses this profession
Search for license MD043996LCheck the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
97% fewer Medicare Part D claims than the average specialist in 2024
37 Medicare Part D claims, against an average of 1,380 among the 8,233 providers of this specialty who prescribed in Part D.
Most prescribed
- Sirolimus14 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
The practice group's MIPS final score for 2023 (Medicare payment program): 77.5 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $2,466.62
4 payments; by number, the most common kind was food and beverage; the largest payer was Takeda Pharmaceuticals U.S.A., Inc. The 5,844 providers of this specialty with any payment received $4,760.79 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
George V. Mazariegos among 2,031 specialist records in Pennsylvania
George V. Mazariegos, MD is one of 2,031 specialist records with a practice address in Pennsylvania. 40% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 9% of them.
- NPI issued2006 · 9% of these records are older, 34% newer
- In a Medicare fileYes · 40% of these records are
- In the CMS Doctors and Clinicians fileNo · 27% of these records are
- Record last updated2026 · 69% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 174400000X and a Pennsylvania practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
767 specialist records list a practice address in Pittsburgh
They are 767 of the 28,866 NPPES records with a practice address in Pittsburgh, and 2,031 specialist records in Pennsylvania.
All 2,031 in Pennsylvania → Every provider in Pittsburgh → Specialist nationwide →
The 8 specialist records with the nearest ZIP codes
- Raed Abdullah, MDPittsburgh, PA 152131962474353
- Howard Aizenstein, MDPittsburgh, PA 152131447222898
- Ali Al-Khafaji, MDPittsburgh, PA 152131992776348
- Louis AlarconPittsburgh, PA 152131306817705
- Cuneyt Alper, MDPittsburgh, PA 152131427029826
- Gulay AlperPittsburgh, PA 152131972575132
- Nikhil AmesurPittsburgh, PA 152131760453179
- Rajesh AnejaPittsburgh, PA 152131780656173
Common questions
What is George V. Mazariegos, MD's NPI number?
George V. Mazariegos, MD's National Provider Identifier (NPI) is 1497729339, issued on Feb 16, 2006. An NPI identifies a provider in billing; it is not a license.
Where is George V. Mazariegos, MD located?
The NPPES record lists a practice address at 3705 5TH Ave, Pittsburgh, PA, 15213. Phone: (412) 692-6110. Providers update this record themselves, so call before visiting.
How can I verify George V. Mazariegos, MD's license?
NPPES lists Pennsylvania license number MD043996L, as entered by the provider. Search the Pennsylvania board that licenses this profession; the NPPES record confirms identity only.
How much does George V. Mazariegos, MD prescribe under Medicare Part D?
In 2024, George V. Mazariegos, MD had 37 Medicare Part D claims; the average among specialist prescribers was 1,380. Part D covers Medicare prescriptions only.
What is George V. Mazariegos, MD's MIPS final score?
The 2023 MIPS final score is 77.5 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.