Alasdair Donald, MD
NPI 1821028309 · Psychiatry Physician · San Francisco, CA
Enrolled with Medicare as Practitioner - Psychiatry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Alasdair Donald, MD is a Psychiatry Physician provider in San Francisco, CA (NPI 1821028309).
Provider details
- NPI number
- 1821028309
- Entity type
- Individual
- Primary specialty
- Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- A52783 (CA)
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
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
1,816 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 Straightforward Or Low Level of Medical Decision Making, Per Day, If Using Time, at Least 25 Minutes99231 | 1,780 | $49 |
| Psychiatric Diagnostic Evaluation With Medical Services90792 | 36 | $168 |
Typical Medicare-allowed amounts for these services range $49–$168 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 8 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Trazodone Hcl | 34 | 22 |
| Olanzapine | 17 | — |
| Pantoprazole Sodium | 16 | — |
| Atorvastatin Calcium | 15 | — |
| Benztropine Mesylate | 14 | — |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 12 | 12 |
| Buspirone Hcl | 11 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-07-03
- Last updated
- 2007-07-08
Frequently asked questions
- What is Alasdair Donald's NPI number?
- Alasdair Donald's National Provider Identifier (NPI) is 1821028309, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Alasdair Donald's specialty?
- Alasdair Donald is listed in the NPPES registry with a primary specialty of Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is Alasdair Donald located?
- Alasdair Donald's practice location on file with NPPES is 1001 Potrero Avenue, San Francisco, CA 94110-3518.
- What is Alasdair Donald's phone number?
- The practice phone number listed in the NPPES registry for Alasdair Donald is (415) 206-5612.
- Does Alasdair Donald accept Medicare?
- Alasdair Donald is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Alasdair Donald's NPI active?
- Yes — Alasdair Donald's NPI (1821028309) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.