Quick answers
- Does Thomas F. Withuhn accept Medicare assignment?
- Yes. Medicare's clinician data says Thomas F. Withuhn 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 Thomas F. Withuhn see?
- In 2024, CMS data shows 402 Original Medicare patients and 1,876 services for Thomas F. Withuhn. This counts Original Medicare only and measures volume, not quality.
- What is Thomas F. Withuhn's NPI number?
- 1821264425. 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 Thomas F. Withuhn, 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 | 402 |
|---|---|
| Services billed to Medicare | 1,876 |
| Different services or procedures | 46 |
| 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)463 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)250 services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)140 services
- Administration of influenza virus vaccine (G0008)115 services
- Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (G0439)115 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 pressure72%
- Arthritis48%
- Ischemic heart disease31%
- Diabetes26%
- Anxiety19%
Practice locations
Addresses where Thomas F. Withuhn is enrolled with Medicare (CMS data updated October 2, 2026).
- 410 Malcolm Dr, Suite AWestminster, MD 21157 (410) 876‑7772
- 6190 Georgetown Blvd, Suite 104Eldersburg, MD 21784 (410) 552‑5050
Group practices
Medicare enrollment lists Thomas F. Withuhn as a member of this group (CMS data updated October 2, 2026).
- Lifebridge Community Physicians Inc183 clinicians in the group
Specialties
- Internal Medicineprimary
Other internal medicine doctors in Westminster
Clinicians with the same Medicare primary specialty in Westminster, MD — not a recommendation.
Other clinicians in Lifebridge Community Physicians Inc
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Southern California Keck 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) | 1821264425 |
| 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
- 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