Judy Mamaclay, MD
NPI 1457357618 · Geriatric Medicine (Internal Medicine) Physician · San Francisco, CA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Judy Mamaclay, MD is a Geriatric Medicine (Internal Medicine) Physician provider in San Francisco, CA (NPI 1457357618).
Provider details
- NPI number
- 1457357618
- Entity type
- Individual
- Primary specialty
- Geriatric Medicine (Internal Medicine) PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- 040859 (CT)
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
21 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 · 51 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 168 | 75 |
| Pantoprazole Sodium | 122 | 24 |
| Amlodipine Besylate | 90 | 32 |
| Metoprolol Tartrate | 81 | 17 |
| Lisinopril | 66 | 25 |
| Donepezil Hcl | 62 | — |
| Gabapentin | 62 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2005-06-22
- Last updated
- 2025-03-15
- Certified
- 2025-03-15
Frequently asked questions
- What is Judy Mamaclay's NPI number?
- Judy Mamaclay's National Provider Identifier (NPI) is 1457357618, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Judy Mamaclay's specialty?
- Judy Mamaclay is listed in the NPPES registry with a primary specialty of Geriatric Medicine (Internal Medicine) Physician (Allopathic & Osteopathic Physicians).
- Where is Judy Mamaclay located?
- Judy Mamaclay's practice location on file with NPPES is 4131 Geary Blvd, San Francisco, CA 94118-3101.
- What is Judy Mamaclay's phone number?
- The practice phone number listed in the NPPES registry for Judy Mamaclay is (415) 418-9114.
- Does Judy Mamaclay accept Medicare?
- Judy Mamaclay is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Judy Mamaclay's NPI active?
- Yes — Judy Mamaclay's NPI (1457357618) is active in the NPPES registry as of the last update on 2025-03-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.