Natalie Sacks, M.D.
NPI 1851590897 · Medical Oncology Physician · San Francisco, CA
Natalie Sacks, M.D. is a Medical Oncology Physician provider in San Francisco, CA (NPI 1851590897).
Provider details
- NPI number
- 1851590897
- Entity type
- Individual
- Primary specialty
- Medical Oncology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- A63551 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
18 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.
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-07-11
- Last updated
- 2007-07-11
Frequently asked questions
- What is Natalie Sacks's NPI number?
- Natalie Sacks's National Provider Identifier (NPI) is 1851590897, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Natalie Sacks's specialty?
- Natalie Sacks is listed in the NPPES registry with a primary specialty of Medical Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is Natalie Sacks located?
- Natalie Sacks's practice location on file with NPPES is 995 Potrero Ave, San Francisco, CA 94110-2859.
- What is Natalie Sacks's phone number?
- The practice phone number listed in the NPPES registry for Natalie Sacks is (415) 476-4082.
- Is Natalie Sacks's NPI active?
- Yes — Natalie Sacks's NPI (1851590897) is active in the NPPES registry as of the last update on 2007-07-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.