Shirley Fong, MD
NPI 1912935826 · Reproductive Endocrinology Physician · Fontana, CA
Enrolled with Medicare as Practitioner - Obstetrics/Gynecology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Shirley Fong, MD is a Reproductive Endocrinology Physician provider in Fontana, CA (NPI 1912935826).
Provider details
- NPI number
- 1912935826
- Entity type
- Individual
- Primary specialty
- Reproductive Endocrinology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- 224420 (NY)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
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
- 2006-06-29
- Last updated
- 2021-11-30
Frequently asked questions
- What is Shirley Fong's NPI number?
- Shirley Fong's National Provider Identifier (NPI) is 1912935826, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Shirley Fong's specialty?
- Shirley Fong is listed in the NPPES registry with a primary specialty of Reproductive Endocrinology Physician (Allopathic & Osteopathic Physicians).
- Where is Shirley Fong located?
- Shirley Fong's practice location on file with NPPES is 9985 Sierra Ave, Fontana, CA 92335-6720.
- What is Shirley Fong's phone number?
- The practice phone number listed in the NPPES registry for Shirley Fong is (909) 427-5711.
- Does Shirley Fong accept Medicare?
- Shirley Fong is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Shirley Fong's NPI active?
- Yes — Shirley Fong's NPI (1912935826) is active in the NPPES registry as of the last update on 2021-11-30.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.