NPPES file of Aug 9, 2026

Hassan Yassin Zammam, MD

Internal Medicine Physician · Altoona, PA

Hassan Yassin Zammam, MD is an internal medicine physician with a practice address in Altoona, Pennsylvania, and NPI 1629041785, issued on Feb 9, 2006. Check the license (Pennsylvania MD063574L, as entered in NPPES) on the Pennsylvania Department of State (PALS); the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1629041785
Name
Hassan Yassin Zammam
Credential
MD
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
MD063574L PA
Self-reported in NPPES; status is on the state search
Practice location
2950 Fairway Dr, Altoona, PA 16602
Phone
(814) 942-9494
Enumerated
Feb 9, 2006
Record last updated
Aug 23, 2010 (not updated in 16 years: call before relying on the address or phone)
Fax
(814) 942-9494
Medicaid ID
1020049410003 PA
Medicare enrollment
Enrolled (PECOS I20071003000561); accepts Medicare assignment
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 2950 Fairway Dr

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Suzanne DibFamily Medicine Physician1033315569
  2. Adam Trybus, M.D.Specialist1033140108

Verify Hassan Yassin Zammam in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersPennsylvania Department of State (PALS)
    Search for license MD063574L
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Pennsylvania license search

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6.1 times the Medicare Part D claims of the average internal medicine physician in 2024

19,379 Medicare Part D claims for 1,077 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims. 566 claims were for opioids.

  1. Hassan Zammam19,379
  2. Specialty average3,176

Most prescribed

  1. Atorvastatin Calcium1,231 claims
  2. Losartan Potassium752 claims
  3. Pantoprazole Sodium706 claims
  4. Lisinopril680 claims
  5. Amlodipine Besylate663 claims
  6. Metformin Hcl Er478 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): 46.8 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.

  1. Qualityout of 100 · 30% of the final score17.4
  2. Costout of 100 · 30%51.5
  3. Promoting interoperabilitynot scored (reweighted)
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Industry payments in 2024: $194.70

2 payments; by number, the most common kind was food and beverage; the largest payer was GlaxoSmithKline, LLC. The 50,334 providers of this specialty with any payment received $1,303.06 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Hassan Zammam$194.70
  2. Specialty average$1,303.06

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through 2 group practices

  1. Upmc Altoona Regional Health Services, Inc.Altoona, PA
  2. Vantage Physical Therapy And Rehabilitation IncJohnstown, PA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Hassan Yassin Zammam among 7,300 internal medicine physician records in Pennsylvania

Hassan Yassin Zammam, MD is one of 7,300 internal medicine physician records with a practice address in Pennsylvania. 78% 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, 64% newer
  • In a Medicare fileYes · 78% of these records are
  • In the CMS Doctors and Clinicians fileYes · 58% of these records are
  • Graduated1991 · median 2008 among the 4,208 with a school on file
  • Record last updated2010 · 56% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Pennsylvania practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

35 internal medicine physician records list a practice address in Altoona

They are 35 of the 1,985 NPPES records with a practice address in Altoona, and 7,300 internal medicine physician records in Pennsylvania.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Anthony Bartkowiak, M.D.Altoona, PA 166021538131495
  2. Thomas Baumgarten, MDAltoona, PA 166021336280296
  3. Hailemicael Ghebre, M.D.Altoona, PA 166021558452433
  4. Mabodawilage Hematillake, MDAltoona, PA 166021407967821
  5. Paula Johnson, M.D.Altoona, PA 166021285606772
  6. Raju Katari, M.DAltoona, PA 166021265462105
  7. Anthony Maniglia, M.D.Altoona, PA 166021952377947
  8. Gregorio Mariano, M.D.Altoona, PA 166021922039312

Common questions

What is Hassan Yassin Zammam, MD's NPI number?

Hassan Yassin Zammam, MD's National Provider Identifier (NPI) is 1629041785, issued on Feb 9, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Hassan Yassin Zammam, MD located?

The NPPES record lists a practice address at 2950 Fairway Dr, Altoona, PA, 16602. Phone: (814) 942-9494. Providers update this record themselves, so call before visiting.

How can I verify Hassan Yassin Zammam, MD's license?

NPPES lists Pennsylvania license number MD063574L, as entered by the provider. Search the Pennsylvania Department of State (PALS) at https://www.pals.pa.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Hassan Yassin Zammam, MD prescribe under Medicare Part D?

In 2024, Hassan Yassin Zammam, MD had 19,379 Medicare Part D claims for 1,077 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.

What is Hassan Yassin Zammam, MD's MIPS final score?

The 2023 MIPS final score is 46.8 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.