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Sarah Piper, M.D.
NPI 1740456441 · Internal Medicine Physician · Oakland, CA
Sarah Piper, M.D. is a Internal Medicine Physician provider in Oakland, CA (NPI 1740456441).
Provider details
- NPI number
- 1740456441
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- 140890 (NC)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Detailed profile(87/100 index)
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
280 W Macarthur Boulevard
Kaiser Permanente Oakland Medical Center
Oakland, CA 94611
Phone: (510) 752-4091
Fax: (510) 752-1831
Street-level locationGet directions
Mailing address
280 W Macarthur Boulevard
Oakland, CA 94611
Registry dates
- Enumerated
- 2008-05-02
- Last updated
- 2014-10-29
Frequently asked questions
- What is Sarah Piper's NPI number?
- Sarah Piper's National Provider Identifier (NPI) is 1740456441, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Sarah Piper's specialty?
- Sarah Piper is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Sarah Piper located?
- Sarah Piper's practice location on file with NPPES is 280 W Macarthur Boulevard, Oakland, CA 94611.
- What is Sarah Piper's phone number?
- The practice phone number listed in the NPPES registry for Sarah Piper is (510) 752-4091.
- Is Sarah Piper's NPI active?
- Yes — Sarah Piper's NPI (1740456441) is active in the NPPES registry as of the last update on 2014-10-29.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.