Quick answers
- Does Andy J. Mulhollen accept Medicare assignment?
- Yes. Medicare's clinician data says Andy J. Mulhollen 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 Andy J. Mulhollen see?
- In 2024, CMS data shows 444 Original Medicare patients and 2,449 services for Andy J. Mulhollen. This counts Original Medicare only and measures volume, not quality.
- What is Andy J. Mulhollen's NPI number?
- 1356329866. 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 Andy J. Mulhollen, 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 | 444 |
|---|---|
| Services billed to Medicare | 2,449 |
| Different services or procedures | 34 |
| Participating Medicare provider | Yes |
| Average age of these patients | 74 |
Most frequent services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)924 services
- Insertion of needle into vein for collection of blood sample (36415)699 services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)146 services
- Administration of influenza virus vaccine (G0008)94 services
- Influenza vaccine, trivalent derived from recombinant dna (90673)85 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%
- Arthritis42%
- Diabetes35%
- Ischemic heart disease32%
- Anxiety23%
Hospitals where Andy J. Mulhollen works
Medicare's Facility Affiliation Data lists Andy J. Mulhollen 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
- 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
Practice locations
Addresses where Andy J. Mulhollen is enrolled with Medicare (CMS data updated October 2, 2026).
- 1400 9th AveAltoona, PA 16602 (814) 941‑8811
- 1400 Pennsylvania AveTyrone, PA 16686 (814) 684‑2100
- 1414 9th Ave, Blair Medical AssocsAltoona, PA 16602 (814) 946‑1655
- 501 Howard AveAltoona, PA 16601 (814) 889‑2701
- 503 Main StBellwood, PA 16617 (814) 742‑8400
Group practices
Medicare enrollment lists Andy J. Mulhollen as a member of these groups (CMS data updated October 2, 2026).
- UPMC Altoona Regional Health Services, Inc.187 clinicians in the group
- UPMC Altoona127 clinicians in the group
Specialties
- Family Practiceprimary
Other family doctors in Altoona
Clinicians with the same Medicare primary specialty in Altoona, PA — not a recommendation.
Other clinicians in UPMC Altoona Regional Health Services, Inc.
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | DO |
|---|---|
| Medical school | Philadelphia College Of Osteopathic Medicine |
| Graduation year | 1996 (30 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1356329866 |
| 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