Amy Merchant, MD
NPI 1891847026 · Obstetrics & Gynecology Physician · Santa Rosa, CA
Enrolled with Medicare as Practitioner - Obstetrics/Gynecology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Amy Merchant, MD is a Obstetrics & Gynecology Physician provider in Santa Rosa, CA (NPI 1891847026).
Provider details
- NPI number
- 1891847026
- Entity type
- Individual
- Primary specialty
- Obstetrics & Gynecology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- A86842 (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 · 8 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Estradiol | 68 | 49 |
| Progesterone, Micronizedbrand: Progesterone | 30 | 16 |
| Estradiolbrand: Yuvafem | 27 | 13 |
| Estradiolbrand: Estring | 24 | 13 |
| Acyclovir | 22 | 13 |
| Estradiolbrand: Dotti | 22 | — |
| Estradiolbrand: Climara | 21 | — |
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-01-17
- Last updated
- 2021-12-27
Frequently asked questions
- What is Amy Merchant's NPI number?
- Amy Merchant's National Provider Identifier (NPI) is 1891847026, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Amy Merchant's specialty?
- Amy Merchant is listed in the NPPES registry with a primary specialty of Obstetrics & Gynecology Physician (Allopathic & Osteopathic Physicians).
- Where is Amy Merchant located?
- Amy Merchant's practice location on file with NPPES is 401 Bicentennial Way, Santa Rosa, CA 95403-2149.
- What is Amy Merchant's phone number?
- The practice phone number listed in the NPPES registry for Amy Merchant is (707) 571-4000.
- Does Amy Merchant accept Medicare?
- Amy Merchant is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Amy Merchant's NPI active?
- Yes — Amy Merchant's NPI (1891847026) is active in the NPPES registry as of the last update on 2021-12-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.