San Marcos Medical Group Inc
NPI 1447446448 · Obstetrics & Gynecology Physician · Fontana, CA
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
San Marcos Medical Group Inc is a Obstetrics & Gynecology Physician organization in Fontana, CA (NPI 1447446448).
Provider details
- NPI number
- 1447446448
- Entity type
- Organization
- Primary specialty
- Obstetrics & Gynecology PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Natt Balbir, Md/President(909) 376-4438
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
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
Other names (DBA / former)
- Doing business as
- Summit Family Health Center
Registry dates
- Enumerated
- 2007-09-24
- Last updated
- 2022-04-29
- Certified
- 2022-04-29
Frequently asked questions
- What is San Marcos Medical Group Inc's NPI number?
- San Marcos Medical Group Inc's National Provider Identifier (NPI) is 1447446448, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is San Marcos Medical Group Inc?
- San Marcos Medical Group Inc is classified in the NPPES registry as Obstetrics & Gynecology Physician (Allopathic & Osteopathic Physicians).
- Where is San Marcos Medical Group Inc located?
- San Marcos Medical Group Inc's practice location on file with NPPES is 14980 Summit Ave Ste 230, Fontana, CA 92336-5390.
- What is San Marcos Medical Group Inc's phone number?
- The practice phone number listed in the NPPES registry for San Marcos Medical Group Inc is (909) 376-4438.
- Does San Marcos Medical Group Inc accept Medicare?
- San Marcos Medical Group Inc is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Who is the authorized official for San Marcos Medical Group Inc?
- The authorized official listed on San Marcos Medical Group Inc's NPPES record is Natt Balbir, Md/President. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is San Marcos Medical Group Inc's NPI active?
- Yes — San Marcos Medical Group Inc's NPI (1447446448) is active in the NPPES registry as of the last update on 2022-04-29.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.