Lily Ostrer, MD
NPI 1821592155 · Infectious Disease Physician · San Diego, CA
Lily Ostrer, MD is a Infectious Disease Physician provider in San Diego, CA (NPI 1821592155).
Provider details
- NPI number
- 1821592155
- Entity type
- Individual
- Primary specialty
- Infectious Disease PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- A186619 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Student, Health Care
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
8 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
- 2018-03-21
- Last updated
- 2026-05-20
- Certified
- 2026-05-20
Frequently asked questions
- What is Lily Ostrer's NPI number?
- Lily Ostrer's National Provider Identifier (NPI) is 1821592155, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Lily Ostrer's specialty?
- Lily Ostrer is listed in the NPPES registry with a primary specialty of Infectious Disease Physician (Allopathic & Osteopathic Physicians).
- Where is Lily Ostrer located?
- Lily Ostrer's practice location on file with NPPES is 9500 Gilman Dr, San Diego, CA 92093-5004.
- What is Lily Ostrer's phone number?
- The practice phone number listed in the NPPES registry for Lily Ostrer is (619) 543-3995.
- Is Lily Ostrer's NPI active?
- Yes — Lily Ostrer's NPI (1821592155) is active in the NPPES registry as of the last update on 2026-05-20.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.