Nancy Ostrom, M.D.
NPI 1437177060 · Allergy & Immunology Physician · San Diego, CA
Nancy Ostrom, M.D. is a Allergy & Immunology Physician provider in San Diego, CA (NPI 1437177060).
Provider details
- NPI number
- 1437177060
- Entity type
- Individual
- Primary specialty
- Allergy & Immunology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- G56048 (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
19 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
- 2006-07-18
- Last updated
- 2016-03-14
Frequently asked questions
- What is Nancy Ostrom's NPI number?
- Nancy Ostrom's National Provider Identifier (NPI) is 1437177060, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Nancy Ostrom's specialty?
- Nancy Ostrom is listed in the NPPES registry with a primary specialty of Allergy & Immunology Physician (Allopathic & Osteopathic Physicians).
- Where is Nancy Ostrom located?
- Nancy Ostrom's practice location on file with NPPES is 5776 Ruffin Rd, San Diego, CA 92123-1013.
- What is Nancy Ostrom's phone number?
- The practice phone number listed in the NPPES registry for Nancy Ostrom is (858) 292-1144.
- Is Nancy Ostrom's NPI active?
- Yes — Nancy Ostrom's NPI (1437177060) is active in the NPPES registry as of the last update on 2016-03-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.