AMY G FIEDLER M.D.
NPI 1912134453
Thoracic Surgery (Cardiothoracic Vascular Surgery) in San Francisco, CA
About Amy G Fiedler M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
AMY G FIEDLER M.D. (NPI 1912134453) is an individual thoracic surgery (cardiothoracic vascular surgery) provider in San Francisco, California, licensed in California (A178750) and active in the NPI registry since June 2009. She is enrolled in Medicare PECOS and is a graduate of George Washington University School Of Medicine (2009).
NPPES Registry Identity
Specialties & Licenses 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
Amy G Fiedler M.d. 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
4Medicare enrollment records show Amy Fiedler reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
San Francisco, CA 94122
- Reassigned Medicare billing, California enrollment
- 5,544 clinicians in this Medicare group
San Francisco, CA 94143
- Reassigned Medicare billing, California enrollment
- 5,645 clinicians in this Medicare group
San Francisco, CA 94143
- Reassigned Medicare billing, California enrollment
- 761 clinicians in this Medicare group
San Francisco, CA 94143
- Reassigned Medicare billing, California enrollment
- 723 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.
Areas of Expertise CMS Part B claims 7
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
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.
Other Providers at the Same Location NPPES 2
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
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 Amy Fiedler's NPI number?
The NPI number for Amy Fiedler is 1912134453. It was assigned to this individual provider in the NPPES registry on June 11, 2009.
Where is Amy Fiedler located?
Amy Fiedler practices at 400 Parnassus Ave Ste A501, San Francisco, CA 94143. The listed phone number is (415) 353-1606.
What is Amy Fiedler's specialty?
The primary specialty registered for this NPI is Thoracic Surgery (Cardiothoracic Vascular Surgery) with taxonomy code 208G00000X.
Is Amy Fiedler enrolled in Medicare?
Yes. Amy Fiedler 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 Amy Fiedler's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Amy Fiedler reassigns Medicare benefits to 4 organizations: Ucsf Medical Group Business Services (San Francisco, CA), University Of California San Francisco (San Francisco, CA), Ucsf Dept Of Surgery (San Francisco, CA) and University Anesthesia Medical Group (San Francisco, 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 Amy Fiedler'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 Amy Fiedler was last updated on June 30, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.
# Amy G Fiedler, M.D. · NPI 1912134453
Thoracic Surgery (Cardiothoracic Vascular Surgery) physician in San Francisco, California. Individual provider, active in the CMS NPPES registry since June 11, 2009.
## Identity
- **NPI:** 1912134453 (Entity type: Individual)
- **Enumerated:** June 11, 2009
- **Primary specialty:** Thoracic Surgery (Cardiothoracic Vascular Surgery) · taxonomy 208G00000X
- **State license:** A178750 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 400 PARNASSUS AVE STE A501, San Francisco, CA 94143-2202
- **Phone:** (415) 353-1606 · **Fax:** (415) 353-1312
## 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:** 4 organizations under Medicare reassignment (form CMS-855R): Ucsf Medical Group Business Services (NPI 1477624104, San Francisco, CA); University Of California San Francisco (NPI 1164512851, San Francisco, CA); Ucsf Dept Of Surgery (NPI 1477627537, San Francisco, CA); University Anesthesia Medical Group (NPI 1528137296, San Francisco, CA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** George Washington University School Of Medicine, class of 2009
## Record status
- **NPPES last updated:** June 30, 2022
---
Source: [NPI Profile](https://npiprofile.com/npi/1912134453) · Data from the CMS NPPES public registry.