Ognjen Petras, M.D.
NPI 1083850598 · Internal Medicine Physician · Daly City, CA
Enrolled with Medicare as Order and Referring Only - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Ognjen Petras, M.D. is a Internal Medicine Physician provider in Daly City, CA (NPI 1083850598).
Provider details
- NPI number
- 1083850598
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- A79598 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
17 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
- 2009-01-05
- Last updated
- 2015-01-15
Frequently asked questions
- What is Ognjen Petras's NPI number?
- Ognjen Petras's National Provider Identifier (NPI) is 1083850598, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ognjen Petras's specialty?
- Ognjen Petras is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Ognjen Petras located?
- Ognjen Petras's practice location on file with NPPES is 2171 Junipero Serra Blvd, Daly City, CA 94014-1906.
- What is Ognjen Petras's phone number?
- The practice phone number listed in the NPPES registry for Ognjen Petras is (650) 301-0556.
- Does Ognjen Petras accept Medicare?
- Ognjen Petras is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Ognjen Petras's NPI active?
- Yes — Ognjen Petras's NPI (1083850598) is active in the NPPES registry as of the last update on 2015-01-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.