Gayatri Iyer
NPI 1518129543 · Family Medicine Physician · Vallejo, CA
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Gayatri Iyer is a Family Medicine Physician provider in Vallejo, CA (NPI 1518129543).
Provider details
- NPI number
- 1518129543
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Sex
- Female
- Sole proprietor
- No
- License
- A115610 (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
17 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
12 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) |
|---|---|---|
| Emergency Department Visit With Moderate Level of Medical Decision Making99284 | 12 | $123 |
Typical Medicare-allowed amounts for these services range $123–$123 (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 |
|---|---|---|
| Naproxen | 40 | 39 |
| Prednisone | 36 | 36 |
| Ibuprofen | 31 | 31 |
| Famotidine | 24 | 24 |
| Doxycycline Monohydrate | 23 | 23 |
| Cephalexin | 17 | 17 |
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 15 | 15 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2008-07-01
- Last updated
- 2024-11-04
- Certified
- 2024-11-04
Frequently asked questions
- What is Gayatri Iyer's NPI number?
- Gayatri Iyer's National Provider Identifier (NPI) is 1518129543, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gayatri Iyer's specialty?
- Gayatri Iyer is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Gayatri Iyer located?
- Gayatri Iyer's practice location on file with NPPES is 975 Sereno Dr, Vallejo, CA 94589-2441.
- What is Gayatri Iyer's phone number?
- The practice phone number listed in the NPPES registry for Gayatri Iyer is (707) 651-1000.
- Does Gayatri Iyer accept Medicare?
- Gayatri Iyer is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Gayatri Iyer's NPI active?
- Yes — Gayatri Iyer's NPI (1518129543) is active in the NPPES registry as of the last update on 2024-11-04.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.