Derek Forsthoefel, M.D.
NPI 1861754855 · Internal Medicine Physician · Bethesda, MD
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Derek Forsthoefel, M.D. is a Internal Medicine Physician provider in Bethesda, MD (NPI 1861754855).
Provider details
- NPI number
- 1861754855
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 35123882 (OH)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
14 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
1,546 Medicare services, 2024 (ranked within specialty)
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 methodology.
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) |
|---|---|---|
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 455 | $75 |
| Hospital Discharge Day Management, More Than 30 Minutes99239 | 424 | $108 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 299 | $164 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 178 | $112 |
| Initial Hospital Care With Straightforward Or Low-Level Medical Decision Making, If Using Time, at Least 55 Minutes99222 | 153 | $124 |
| Subsequent Hospital Care With Straightforward Or Low Level of Medical Decision Making, Per Day, If Using Time, at Least 25 Minutes99231 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 20 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Azithromycin | 35 | 32 |
| Amoxicillin/Potassium Clavbrand: Amoxicillin-Clavulanate Potass | 32 | 31 |
| Cefdinir | 31 | 30 |
| Omeprazole | 30 | 28 |
| Cefadroxil | 26 | 25 |
| Furosemide | 22 | 21 |
| Lisinopril | 22 | 16 |
| Prednisone |
Practice location
Mailing address
Registry dates
- Enumerated
- 2012-06-14
- Last updated
- 2016-01-11
Frequently asked questions
- What is Derek Forsthoefel's NPI number?
- Derek Forsthoefel's National Provider Identifier (NPI) is 1861754855, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Derek Forsthoefel's specialty?
- Derek Forsthoefel is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Derek Forsthoefel located?
- Derek Forsthoefel's practice location on file with NPPES is Walter Reed National Military Ctr, Bethesda, MD 20889-5600.
- What is Derek Forsthoefel's phone number?
- The practice phone number listed in the NPPES registry for Derek Forsthoefel is (301) 295-0196.
- Does Derek Forsthoefel accept Medicare?
- Derek Forsthoefel is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Derek Forsthoefel's NPI active?
- Yes — Derek Forsthoefel's NPI (1861754855) is active in the NPPES registry as of the last update on 2016-01-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.