Hassan Zammam, MD
NPI 1629041785 · Internal Medicine Physician · Altoona, PA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Hassan Zammam, MD is a Internal Medicine Physician provider in Altoona, PA (NPI 1629041785).
Provider details
- NPI number
- 1629041785
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- MD063574L (PA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
20 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
2,433 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report Only93010 | 689 | $8 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 628 | $122 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 413 | $9 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 129 | $75 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 111 | $16 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 191 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 1,231 | 311 |
| Losartan Potassium | 752 | 199 |
| Pantoprazole Sodium | 706 | 177 |
| Lisinopril | 680 | 174 |
| Amlodipine Besylate | 663 | 184 |
| Metformin Hclbrand: Metformin Hcl Er | 478 | 136 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$195 across 2 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-02-09
- Last updated
- 2010-08-23
Frequently asked questions
- What is Hassan Zammam's NPI number?
- Hassan Zammam's National Provider Identifier (NPI) is 1629041785, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Hassan Zammam's specialty?
- Hassan Zammam is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Hassan Zammam located?
- Hassan Zammam's practice location on file with NPPES is 2950 Fairway Dr, Altoona, PA 16602-4494.
- What is Hassan Zammam's phone number?
- The practice phone number listed in the NPPES registry for Hassan Zammam is (814) 942-9494.
- Does Hassan Zammam accept Medicare?
- Hassan Zammam is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Hassan Zammam's NPI active?
- Yes — Hassan Zammam's NPI (1629041785) is active in the NPPES registry as of the last update on 2010-08-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.