Sarah Hartman
NPI 1558822122 · Surgical Oncology Physician · San Francisco, CA
Enrolled with Medicare as Practitioner - Surgical Oncology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Sarah Hartman is a Surgical Oncology Physician provider in San Francisco, CA (NPI 1558822122).
Provider details
- NPI number
- 1558822122
- Entity type
- Individual
- Primary specialty
- Surgical Oncology PhysicianAllopathic & Osteopathic Physicians
- Sex
- Female
- Sole proprietor
- No
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
7 yrs in NPPES registry
- Profile completeness38% of score
83% 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)
- 100 E 77th StNew York, NY 10075-1850Phone: (212) 434-2000
Registry dates
- Enumerated
- 2019-03-27
- Last updated
- 2025-06-20
- Certified
- 2025-06-20
Frequently asked questions
- What is Sarah Hartman's NPI number?
- Sarah Hartman's National Provider Identifier (NPI) is 1558822122, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Sarah Hartman's specialty?
- Sarah Hartman is listed in the NPPES registry with a primary specialty of Surgical Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is Sarah Hartman located?
- Sarah Hartman's practice location on file with NPPES is 1825 4th St Fl 3, San Francisco, CA 94143-2350.
- What is Sarah Hartman's phone number?
- The practice phone number listed in the NPPES registry for Sarah Hartman is (415) 353-7070.
- Does Sarah Hartman accept Medicare?
- Sarah Hartman is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Sarah Hartman's NPI active?
- Yes — Sarah Hartman's NPI (1558822122) is active in the NPPES registry as of the last update on 2025-06-20.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.