DR. STEPHANIE LINA GAW MD, PHD
NPI 1467789792
Obstetrics & Gynecology - Maternal & Fetal Medicine in San Francisco, CA
About Dr. Stephanie Lina Gaw Md, Phd NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. STEPHANIE LINA GAW MD, PHD (NPI 1467789792) is an individual maternal & fetal medicine provider in San Francisco, California, licensed in California (A115281) and active in the NPI registry since November 2009. She is enrolled in Medicare PECOS, maintains 2 additional practice locations, and is a graduate of Albert Einstein College Of Medicine Of Yeshiva University (2009).
NPPES Registry Identity
Specialties & Licenses 2
Other Names 1
Secondary Practice Locations 2
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Dr. Stephanie Lina Gaw Md, Phd is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
5Medicare enrollment records show Stephanie Gaw reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
San Francisco, CA 94110
- Reassigned Medicare billing, California enrollment
- 842 clinicians in this Medicare group
San Francisco, CA 94143
- Reassigned Medicare billing, California enrollment
- 5,645 clinicians in this Medicare group
San Francisco, CA 94122
- Reassigned Medicare billing, California enrollment
- 5,544 clinicians in this Medicare group
Fresno, CA 93720
- Reassigned Medicare billing, California enrollment
- 295 clinicians in this Medicare group
Fresno, CA 93701
- Reassigned Medicare billing, California enrollment
- 11 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 94143 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
SAN FRANCISCO, CA 94143
SAN FRANCISCO, CA 94143
SAN FRANCISCO, CA 94143
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Stephanie Gaw's NPI number?
The NPI number for Stephanie Gaw is 1467789792. It was assigned to this individual provider in the NPPES registry on November 6, 2009. The provider is also known as Dr. Stephanie Lina Valderramos MD, Phd.
Where is Stephanie Gaw located?
Stephanie Gaw practices at 1825 4th St, San Francisco, CA 94143. The listed phone number is (415) 353-2566.
What is Stephanie Gaw's specialty?
The primary specialty registered for this NPI is Obstetrics & Gynecology, specializing in Maternal & Fetal Medicine, with taxonomy code 207VM0101X.
Is Stephanie Gaw enrolled in Medicare?
Yes. Stephanie Gaw is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Stephanie Gaw's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Stephanie Gaw reassigns Medicare benefits to 5 organizations: University Of California Sfgh Medical Group (San Francisco, CA), University Of California San Francisco (San Francisco, CA), Ucsf Medical Group Business Services (San Francisco, CA), Central California Faculty Medical Group, Inc. (Fresno, CA) and Regents Of University Of California (Fresno, CA). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Stephanie Gaw's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Stephanie Gaw was last updated on July 24, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Dr. Stephanie Lina Gaw, MD, PHD · NPI 1467789792
Maternal & Fetal Medicine physician in San Francisco, California. Individual provider, active in the CMS NPPES registry since November 6, 2009.
## Identity
- **NPI:** 1467789792 (Entity type: Individual)
- **Enumerated:** November 6, 2009
- **Primary specialty:** Obstetrics & Gynecology - Maternal & Fetal Medicine · taxonomy 207VM0101X
- **State license:** A115281 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 1825 4TH ST, San Francisco, CA 94143-2350
- **Phone:** (415) 353-2566
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 5 organizations under Medicare reassignment (form CMS-855R): University Of California Sfgh Medical Group (NPI 1174598296, San Francisco, CA); University Of California San Francisco (NPI 1346329380, San Francisco, CA); Ucsf Medical Group Business Services (NPI 1477624104, San Francisco, CA); Central California Faculty Medical Group, Inc. (NPI 1669507752, Fresno, CA); Regents Of University Of California (NPI 1821014374, Fresno, CA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Albert Einstein College Of Medicine Of Yeshiva University, class of 2009
## Record status
- **NPPES last updated:** July 24, 2023
---
Source: [NPI Profile](https://npiprofile.com/npi/1467789792) · Data from the CMS NPPES public registry.