Elaine Yin, MD
NPI 1861418246 · Obstetrics & Gynecology Physician · Santa Maria, CA
Enrolled with Medicare as Practitioner - Obstetrics/Gynecology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Elaine Yin, MD is a Obstetrics & Gynecology Physician provider in Santa Maria, CA (NPI 1861418246).
Provider details
- NPI number
- 1861418246
- Entity type
- Individual
- Primary specialty
- Obstetrics & Gynecology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- G74466 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
19 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
301 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
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 .
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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 142 | $100 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 53 | $142 |
| Cervical Or Vaginal Cancer Screening; Pelvic and Clinical Breast ExaminationG0101 | 36 | $44 |
| Assessment of Emotional Or Behavioral Problems96127 | 26 | $5 |
| New Patient Office Or Other Outpatient Visit With Low Level of Medical Decision Making, If Using Time, 30 Minutes Or More99203 | 20 | $123 |
| Urinalysis, Manual Test81002 | 13 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 11 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Estradiol | 141 | 42 |
| Estradiolbrand: Estradiol (once Weekly) | 23 | — |
| Estradiolbrand: Estradiol (twice Weekly) | 23 | — |
| Estradiol/Norethindrone Acetbrand: Estradiol-Norethindrone Acetat | 21 | — |
| Levothyroxine Sodium | 17 | — |
| Valacyclovir Hclbrand: Valacyclovir | 17 | — |
| Fluconazole | 16 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$276 across 2 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Additional practice locations (1)
- 210 S Palisade Dr Ste 101Santa Maria, CA 93454-5932Phone: (805) 922-0481Fax: (805) 925-5261
Registry dates
- Enumerated
- 2006-07-15
- Last updated
- 2023-11-08
- Certified
- 2023-11-08
Frequently asked questions
- What is Elaine Yin's NPI number?
- Elaine Yin's National Provider Identifier (NPI) is 1861418246, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Elaine Yin's specialty?
- Elaine Yin is listed in the NPPES registry with a primary specialty of Obstetrics & Gynecology Physician (Allopathic & Osteopathic Physicians).
- Where is Elaine Yin located?
- Elaine Yin's practice location on file with NPPES is 220 South Palisade Drive, Santa Maria, CA 93454-8903.
- What is Elaine Yin's phone number?
- The practice phone number listed in the NPPES registry for Elaine Yin is (805) 354-7101.
- Does Elaine Yin accept Medicare?
- Elaine Yin is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Elaine Yin's NPI active?
- Yes — Elaine Yin's NPI (1861418246) is active in the NPPES registry as of the last update on 2023-11-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.