William Wittman, M.D.
NPI 1891798724 · Internal Medicine Physician · Falmouth, MA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
William Wittman, M.D. is a Internal Medicine Physician provider in Falmouth, MA (NPI 1891798724).
Provider details
- NPI number
- 1891798724
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 54719 (MA)
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
21 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
1,142 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 Nursing Facility Care With Straightforward Level of Medical Decision Making, Per Day, If Using Time, 20 Minutes Or More99308 | 582 | $74 |
| Subsequent Nursing Facility Care With Moderate Level of Medical Decision Making, Per Day, If Using Time, at Least 30 Minutes99309 | 217 | $107 |
| Subsequent Nursing Facility Care With Straightforward Level of Medical Decision Making, Per Day, If Using Time, at Least 10 Minutes99307 | 123 | $40 |
| Initial Nursing Facility Care With High Level of Medical Decision Making, Per Day, If Using Time, 50 Minutes Or More99306 | 69 | $181 |
| Subsequent Nursing Facility Care With Straightforward Level of Medical Decision Making, Per Day, If Using Time, 20 Minutes Or More99308 | 60 | $75 |
| Nursing Facility Discharge Management, More Than 30 Minutes |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 42 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Apixabanbrand: Eliquis | 101 | — |
| Levothyroxine Sodium | 76 | 11 |
| Atorvastatin Calcium | 76 | 23 |
| Trazodone Hcl | 73 | 15 |
| Pantoprazole Sodium | 66 | 11 |
| Furosemide | 54 | 13 |
| Mirtazapine |
Practice location
Mailing address
Registry dates
- Enumerated
- 2005-05-24
- Last updated
- 2010-05-28
Frequently asked questions
- What is William Wittman's NPI number?
- William Wittman's National Provider Identifier (NPI) is 1891798724, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Wittman's specialty?
- William Wittman is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is William Wittman located?
- William Wittman's practice location on file with NPPES is 10 Bramblebush Park, Falmouth, MA 02540-2325.
- What is William Wittman's phone number?
- The practice phone number listed in the NPPES registry for William Wittman is (508) 540-1046.
- Does William Wittman accept Medicare?
- William Wittman is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is William Wittman's NPI active?
- Yes — William Wittman's NPI (1891798724) is active in the NPPES registry as of the last update on 2010-05-28.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.