DR. HUMERA NISAR MD
NPI 1164685863
Internal Medicine - Nephrology in San Francisco, CA
About Dr. Humera Nisar Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. HUMERA NISAR MD (NPI 1164685863) is an individual nephrology provider in San Francisco, California, licensed in California (A116292) and active in the NPI registry since July 2008. She is enrolled in Medicare PECOS and is a graduate of Other (2003).
NPPES Registry Identity
Specialties & Licenses
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. Humera Nisar 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 Reassignment
Medicare enrollment records show Humera Nisar reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
San Francisco, CA 94116
- Reassigned Medicare billing, California enrollment
- 20,078 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
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.
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 Humera Nisar's NPI number?
The NPI number for Humera Nisar is 1164685863. It was assigned to this individual provider in the NPPES registry on July 3, 2008.
Where is Humera Nisar located?
Humera Nisar practices at 521 Parnassus Ave # C443 Box 0532, San Francisco, CA 94143. The listed phone number is (415) 476-1812.
What is Humera Nisar's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Nephrology, with taxonomy code 207RN0300X.
Is Humera Nisar enrolled in Medicare?
Yes. Humera Nisar 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 organization bills Medicare for Humera Nisar's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Humera Nisar reassigns Medicare benefits to Permanente Medical Group Inc (San Francisco, CA). The 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 Humera Nisar'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 Humera Nisar was last updated on December 22, 2021. 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.
# Dr. Humera Nisar, MD · NPI 1164685863
Nephrology physician in San Francisco, California. Individual provider, active in the CMS NPPES registry since July 3, 2008.
## Identity
- **NPI:** 1164685863 (Entity type: Individual)
- **Enumerated:** July 3, 2008
- **Primary specialty:** Internal Medicine - Nephrology · taxonomy 207RN0300X
- **State license:** A116292 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 521 PARNASSUS AVE # C443, BOX 0532, San Francisco, CA 94143-2206
- **Phone:** (415) 476-1812 · **Fax:** (415) 476-3381
## 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:** Permanente Medical Group Inc (NPI 1841373800, San Francisco, CA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2003
## Record status
- **NPPES last updated:** December 22, 2021
---
Source: [NPI Profile](https://npiprofile.com/npi/1164685863) · Data from the CMS NPPES public registry.