Madeline Merwin, MD
NPI 1184467300 · Student in an Organized Health Care Education/Training Program · San Francisco, CA
Enrolled with Medicare as Order and Referring Only - Obstetrics/Gynecology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Madeline Merwin, MD is a Student in an Organized Health Care Education/Training Program provider in San Francisco, CA (NPI 1184467300).
Provider details
- NPI number
- 1184467300
- Entity type
- Individual
- Primary specialty
- Student in an Organized Health Care Education/Training ProgramStudent, Health Care
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
Specialties & taxonomies
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
2 yrs in NPPES registry
- Profile completeness38% of score
83% 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.
Practice location
Mailing address
Registry dates
- Enumerated
- 2024-06-15
- Last updated
- 2024-06-17
- Certified
- 2024-06-17
Frequently asked questions
- What is Madeline Merwin's NPI number?
- Madeline Merwin's National Provider Identifier (NPI) is 1184467300, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Madeline Merwin's specialty?
- Madeline Merwin is listed in the NPPES registry with a primary specialty of Student in an Organized Health Care Education/Training Program (Student, Health Care).
- Where is Madeline Merwin located?
- Madeline Merwin's practice location on file with NPPES is 490 Illinois St Fl 10, San Francisco, CA 94143-2510.
- What is Madeline Merwin's phone number?
- The practice phone number listed in the NPPES registry for Madeline Merwin is (415) 476-5192.
- Does Madeline Merwin accept Medicare?
- Madeline Merwin is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Madeline Merwin's NPI active?
- Yes — Madeline Merwin's NPI (1184467300) is active in the NPPES registry as of the last update on 2024-06-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.