Uma Natarajan, M.D.
NPI 1417987025 · Family Medicine Physician · Hayward, CA
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Uma Natarajan, M.D. is a Family Medicine Physician provider in Hayward, CA (NPI 1417987025).
Provider details
- NPI number
- 1417987025
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- A92641 (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 · 56 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 299 | 120 |
| Amlodipine Besylate | 158 | 59 |
| Losartan Potassium | 139 | 53 |
| Lisinopril | 128 | 55 |
| Levothyroxine Sodium | 114 | 51 |
| Atenolol | 90 | 37 |
| Hydrochlorothiazide | 68 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-07-03
- Last updated
- 2023-03-07
Frequently asked questions
- What is Uma Natarajan's NPI number?
- Uma Natarajan's National Provider Identifier (NPI) is 1417987025, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Uma Natarajan's specialty?
- Uma Natarajan is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Uma Natarajan located?
- Uma Natarajan's practice location on file with NPPES is 27212 Calaroga Ave, Hayward, CA 94545-4339.
- What is Uma Natarajan's phone number?
- The practice phone number listed in the NPPES registry for Uma Natarajan is (510) 785-5000.
- Does Uma Natarajan accept Medicare?
- Uma Natarajan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Uma Natarajan's NPI active?
- Yes — Uma Natarajan's NPI (1417987025) is active in the NPPES registry as of the last update on 2023-03-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.