Madison Feng
NPI 1639811979 · Obstetrics & Gynecology Physician · Loma Linda, CA
Madison Feng is a Obstetrics & Gynecology Physician provider in Loma Linda, CA (NPI 1639811979).
Provider details
- NPI number
- 1639811979
- Entity type
- Individual
- Primary specialty
- Obstetrics & Gynecology PhysicianAllopathic & Osteopathic Physicians
- Sex
- Female
- Sole proprietor
- No
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
4 yrs in NPPES registry
- Profile completeness33% of score
83% of core fields populated
- Practice footprint20% of score
1 documented practice location
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
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.
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$35 across 2 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2022-04-08
- Last updated
- 2023-01-23
- Certified
- 2023-01-23
Frequently asked questions
- What is Madison Feng's NPI number?
- Madison Feng's National Provider Identifier (NPI) is 1639811979, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Madison Feng's specialty?
- Madison Feng is listed in the NPPES registry with a primary specialty of Obstetrics & Gynecology Physician (Allopathic & Osteopathic Physicians).
- Where is Madison Feng located?
- Madison Feng's practice location on file with NPPES is 11234 Anderson St, Loma Linda, CA 92354-2804.
- What is Madison Feng's phone number?
- The practice phone number listed in the NPPES registry for Madison Feng is (909) 651-5510.
- Is Madison Feng's NPI active?
- Yes — Madison Feng's NPI (1639811979) is active in the NPPES registry as of the last update on 2023-01-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.