Jeany Tay, MD
NPI 1598843104 · Internal Medicine Physician · South San Francisco, CA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Jeany Tay, MD is a Internal Medicine Physician provider in South San Francisco, CA (NPI 1598843104).
Provider details
- NPI number
- 1598843104
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- G76038 (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 · 88 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 535 | 177 |
| Amlodipine Besylate | 510 | 172 |
| Levothyroxine Sodium | 343 | 100 |
| Losartan Potassium | 306 | 106 |
| Atenolol | 209 | 70 |
| Lisinopril | 196 | 71 |
| Hydrochlorothiazide | 175 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-11-01
- Last updated
- 2021-12-02
Frequently asked questions
- What is Jeany Tay's NPI number?
- Jeany Tay's National Provider Identifier (NPI) is 1598843104, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Jeany Tay's specialty?
- Jeany Tay is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Jeany Tay located?
- Jeany Tay's practice location on file with NPPES is 1200 El Camino Real, South San Francisco, CA 94080-3208.
- What is Jeany Tay's phone number?
- The practice phone number listed in the NPPES registry for Jeany Tay is (650) 742-2000.
- Does Jeany Tay accept Medicare?
- Jeany Tay is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Jeany Tay's NPI active?
- Yes — Jeany Tay's NPI (1598843104) is active in the NPPES registry as of the last update on 2021-12-02.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.