Quick answers
- Does Hassan Zammam accept Medicare assignment?
- Yes. Medicare's clinician data says Hassan Zammam accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
- How many Medicare patients does Hassan Zammam see?
- In 2024, CMS data shows 953 Original Medicare patients and 3,440 services for Hassan Zammam. This counts Original Medicare only and measures volume, not quality.
- What is Hassan Zammam's NPI number?
- 1629041785. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Medicare activity in 2024
Official CMS public-use data for Hassan Zammam, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.
| Original Medicare patients | 953 |
|---|---|
| Services billed to Medicare | 3,440 |
| Different services or procedures | 59 |
| Participating Medicare provider | Yes |
| Average age of these patients | 74 |
Most frequent services
- Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (93010)689 services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)628 services
- Insertion of needle into vein for collection of blood sample (36415)413 services
- Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)129 services
- 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's (G2211)111 services
Chronic conditions among these patients
Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).
- High blood pressure75%
- High cholesterol75%
- Arthritis55%
- Ischemic heart disease47%
- Diabetes43%
- Chronic kidney disease38%
Hospitals where Hassan Zammam works
Medicare's Facility Affiliation Data lists Hassan Zammam at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.
- Conemaugh Nason Medical CenterRoaring Spring, PA · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 390062
- Mount Nittany Medical CenterState College, PA · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 390268
- Penn Highlands TyroneTyrone, PA · Critical Access Hospital · Emergency services: listed by Medicare · CCN 391307
- UPMC AltoonaAltoona, PA · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 390073
- UPMC Bedford MemorialEverett, PA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 390117
Practice locations
Addresses where Hassan Zammam is enrolled with Medicare (CMS data updated October 2, 2026).
- 1414 9th Ave, Blair Medical AssocsAltoona, PA 16602 (814) 946‑1655
- 2000 Westinghouse Dr, Suite 200Cranberry Twp, PA 16066
- 336 Bloomfield StJohnstown, PA 15904 (814) 269‑2224
Group practices
Medicare enrollment lists Hassan Zammam as a member of these groups (CMS data updated October 2, 2026).
- Phoenix Rehabilitation and Health Services Inc2,800 clinicians in the group
- Vantage Physical Therapy and Rehabilitation Inc260 clinicians in the group
- UPMC Altoona Regional Health Services, Inc.187 clinicians in the group
Specialties
- Internal Medicineprimary
Other internal medicine doctors in Altoona
Clinicians with the same Medicare primary specialty in Altoona, PA — not a recommendation.
Other clinicians in Phoenix Rehabilitation and Health Services Inc
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1991 (35 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1629041785 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
- Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians