William Mundy, MD
NPI 1336341825 · Hospitalist Physician · Berkeley, CA
Enrolled with Medicare as Practitioner - Hospitalist · source: CMS PECOS Public Provider Enrollment (2026.04.01)
William Mundy, MD is a Hospitalist Physician provider in Berkeley, CA (NPI 1336341825).
Provider details
- NPI number
- 1336341825
- Entity type
- Individual
- Primary specialty
- Hospitalist PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- A105911 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
19 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
1,362 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 | 434 | $85 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 420 | $129 |
| Hospital Discharge Day Management, More Than 30 Minutes99239 | 309 | $126 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 129 | $185 |
| Subsequent Hospital Care With Straightforward Or Low Level of Medical Decision Making, Per Day, If Using Time, at Least 25 Minutes99231 | 44 | $54 |
| Initial Hospital Care With Straightforward Or Low-Level Medical Decision Making, If Using Time, at Least 55 Minutes99222 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 16 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 53 | 27 |
| Metoprolol Succinate | 39 | 22 |
| Amlodipine Besylate | 34 | 17 |
| Pantoprazole Sodium | 29 | 19 |
| Prednisone | 27 | 25 |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 26 | 15 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-06-05
- Last updated
- 2022-07-21
Frequently asked questions
- What is William Mundy's NPI number?
- William Mundy's National Provider Identifier (NPI) is 1336341825, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Mundy's specialty?
- William Mundy is listed in the NPPES registry with a primary specialty of Hospitalist Physician (Allopathic & Osteopathic Physicians).
- Where is William Mundy located?
- William Mundy's practice location on file with NPPES is 2450 Ashby Ave Rm 5505, Berkeley, CA 94705-2067.
- What is William Mundy's phone number?
- The practice phone number listed in the NPPES registry for William Mundy is (510) 204-4444.
- Does William Mundy accept Medicare?
- William Mundy is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is William Mundy's NPI active?
- Yes — William Mundy's NPI (1336341825) is active in the NPPES registry as of the last update on 2022-07-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.