Quick answers
- Does Timothy F. Doberstein accept Medicare assignment?
- Yes. Medicare's clinician data says Timothy F. Doberstein 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 Timothy F. Doberstein see?
- In 2024, CMS data shows 464 Original Medicare patients and 1,910 services for Timothy F. Doberstein. This counts Original Medicare only and measures volume, not quality.
- What is Timothy F. Doberstein's NPI number?
- 1841446135. 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 Timothy F. Doberstein, 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 | 464 |
|---|---|
| Services billed to Medicare | 1,910 |
| Different services or procedures | 32 |
| Participating Medicare provider | Yes |
| Average age of these patients | 76 |
Most frequent 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)510 services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)504 services
- Blood test, clotting time (85610)121 services
- Anticoagulant management of patient taking warfarin (93793)118 services
- Administration of influenza virus vaccine (G0008)88 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 cholesterol75%
- High blood pressure71%
- Arthritis36%
- Diabetes30%
- Chronic kidney disease30%
- Atrial fibrillation26%
Hospitals where Timothy F. Doberstein works
Medicare's Facility Affiliation Data lists Timothy F. Doberstein 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.
- Geisinger Medical CenterDanville, PA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 390006
- Geisinger-Lewistown HospitalLewistown, PA · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 390048
- Mount Nittany Medical CenterState College, PA · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 390268
Practice locations
Addresses where Timothy F. Doberstein is enrolled with Medicare (CMS data updated October 2, 2026).
- 132 Abigail LnPort Matilda, PA 16870 (814) 272‑7100
- 200 Scenery DrState College, PA 16801 (814) 231‑4560
- 2000 Westinghouse Dr, Suite 200Cranberry Twp, PA 16066
- 526 Westerly Pkwy, Suite 160State College, PA 16801 (814) 996‑1150
Group practices
Medicare enrollment lists Timothy F. Doberstein as a member of these groups (CMS data updated October 2, 2026).
- Geisinger Clinic3,467 clinicians in the group
- Phoenix Rehabilitation and Health Services Inc2,800 clinicians in the group
- Keystone Rehabilitation Systems Inc776 clinicians in the group
Specialties
- Internal Medicineprimary
Other internal medicine doctors in Pennsylvania
Clinicians with the same Medicare primary specialty in Pennsylvania — not a recommendation.
Other clinicians in Geisinger Clinic
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Temple University School Of Medicine |
| Graduation year | 2006 (20 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) | 1841446135 |
| 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