William Macmorran, MD
NPI 1942301452 · Psychiatry Physician · Oakland, CA
Enrolled with Medicare as Practitioner - Psychiatry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
William Macmorran, MD is a Psychiatry Physician provider in Oakland, CA (NPI 1942301452).
Provider details
- NPI number
- 1942301452
- Entity type
- Individual
- Primary specialty
- Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- A63455 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
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 prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 78 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Clozapine | 401 | 32 |
| Olanzapine | 297 | 48 |
| Divalproex Sodium | 245 | 27 |
| Lithium Carbonate | 168 | 20 |
| Atorvastatin Calcium | 142 | 21 |
| Levothyroxine Sodium | 142 | 18 |
| Benztropine Mesylate | 128 | 30 |
| Metformin Hcl |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-09-26
- Last updated
- 2016-11-05
Frequently asked questions
- What is William Macmorran's NPI number?
- William Macmorran's National Provider Identifier (NPI) is 1942301452, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Macmorran's specialty?
- William Macmorran is listed in the NPPES registry with a primary specialty of Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is William Macmorran located?
- William Macmorran's practice location on file with NPPES is 3800 Coolidge Ave, Oakland, CA 94602-3311.
- What is William Macmorran's phone number?
- The practice phone number listed in the NPPES registry for William Macmorran is (510) 482-2244.
- Does William Macmorran accept Medicare?
- William Macmorran is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is William Macmorran's NPI active?
- Yes — William Macmorran's NPI (1942301452) is active in the NPPES registry as of the last update on 2016-11-05.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.