FNU AHMED NAIEM MD
NPI 1033952353
Surgery - Vascular Surgery in San Francisco, CA
About Fnu Ahmed Naiem Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
FNU AHMED NAIEM MD (NPI 1033952353) is an individual vascular surgery provider in San Francisco, California, licensed in California (A196901) and active in the NPI registry since June 2024. He is enrolled in Medicare PECOS, maintains a secondary practice location in San Francisco, and is a graduate of Other (2015).
NPPES Registry Identity
Specialties & Licenses 2
Other Names 1
Secondary Practice Location 1
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
Fnu Ahmed Naiem Md 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 Fnu Ahmed Naiem 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 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
San Francisco, CA 94143
- Reassigned Medicare billing, California enrollment
- 761 clinicians in this Medicare group
San Francisco, CA 94116
- Reassigned Medicare billing, California enrollment
- 1,573 clinicians in this Medicare group
San Francisco, CA 94110
- Reassigned Medicare billing, California enrollment
- 87 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.
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 Fnu Ahmed Naiem's NPI number?
The NPI number for Fnu Ahmed Naiem is 1033952353. It was assigned to this individual provider in the NPPES registry on June 14, 2024. The provider is also known as Ahmed Ashraf Abdel Wahed Naiem MD.
Where is Fnu Ahmed Naiem located?
Fnu Ahmed Naiem practices at 400 Parnassus Ave Ste A581, San Francisco, CA 94143. The listed phone number is (415) 353-4364.
What is Fnu Ahmed Naiem's specialty?
The primary specialty registered for this NPI is Surgery, specializing in Vascular Surgery, with taxonomy code 2086S0129X.
Is Fnu Ahmed Naiem enrolled in Medicare?
Yes. Fnu Ahmed Naiem 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 Fnu Ahmed Naiem's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Fnu Ahmed Naiem reassigns Medicare benefits to 5 organizations: University Of California San Francisco (San Francisco, CA), Ucsf Medical Group Business Services (San Francisco, CA), Ucsf Dept Of Surgery (San Francisco, CA), City & County Of San Francisco (San Francisco, CA) and University Of California Sfgh 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 Fnu Ahmed Naiem'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 Fnu Ahmed Naiem was last updated on June 30, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 months 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.
# Fnu Ahmed Naiem, MD · NPI 1033952353
Vascular Surgery physician in San Francisco, California. Individual provider, active in the CMS NPPES registry since June 14, 2024.
## Identity
- **NPI:** 1033952353 (Entity type: Individual)
- **Enumerated:** June 14, 2024
- **Primary specialty:** Surgery - Vascular Surgery · taxonomy 2086S0129X
- **State license:** A196901 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 400 PARNASSUS AVE STE A581, San Francisco, CA 94143-2202
- **Phone:** (415) 353-4364
## 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 San Francisco (NPI 1346329380, San Francisco, CA); Ucsf Medical Group Business Services (NPI 1477624104, San Francisco, CA); Ucsf Dept Of Surgery (NPI 1477627537, San Francisco, CA); City & County Of San Francisco (NPI 1528083300, San Francisco, CA); University Of California Sfgh Medical Group (NPI 1033913959, San Francisco, CA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2015
## Record status
- **NPPES last updated:** June 30, 2026
---
Source: [NPI Profile](https://npiprofile.com/npi/1033952353) · Data from the CMS NPPES public registry.