Hannah Rees, MD
NPI 1578267142 · Neonatal-Perinatal Medicine Physician · San Francisco, CA
Hannah Rees, MD is a Neonatal-Perinatal Medicine Physician provider in San Francisco, CA (NPI 1578267142).
Provider details
- NPI number
- 1578267142
- Entity type
- Individual
- Primary specialty
- Neonatal-Perinatal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- A208266 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
3 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
2 documented practice locations
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
Additional practice locations (1)
- 1975 4th St Fl 3San Francisco, CA 94143-2351Phone: (415) 476-1888
Registry dates
- Enumerated
- 2023-03-28
- Last updated
- 2026-05-26
- Certified
- 2026-05-26
Frequently asked questions
- What is Hannah Rees's NPI number?
- Hannah Rees's National Provider Identifier (NPI) is 1578267142, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Hannah Rees's specialty?
- Hannah Rees is listed in the NPPES registry with a primary specialty of Neonatal-Perinatal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Hannah Rees located?
- Hannah Rees's practice location on file with NPPES is 550 16th St Fl 4, San Francisco, CA 94143-2549.
- What is Hannah Rees's phone number?
- The practice phone number listed in the NPPES registry for Hannah Rees is (415) 476-5001.
- Is Hannah Rees's NPI active?
- Yes — Hannah Rees's NPI (1578267142) is active in the NPPES registry as of the last update on 2026-05-26.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.