AIJAZ AHMED MD
NPI 1447351747
Internal Medicine - Hepatology in Stanford, CA
About Aijaz Ahmed Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
AIJAZ AHMED MD (NPI 1447351747) is an individual hepatology provider in Stanford, California, licensed in California (A60520) and active in the NPI registry since September 2006. He is enrolled in Medicare PECOS, is affiliated with Renown Regional Medical Center, and maintains 2 additional practice locations.
NPPES Registry Identity
Specialties & Licenses 4
Secondary Practice Locations 2
Other Identifiers 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
Aijaz Ahmed 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
2Medicare enrollment records show Aijaz Ahmed reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Stanford, CA 94305
- Reassigned Medicare billing, California enrollment
- 4,258 clinicians in this Medicare group
Palo Alto, CA 94306
- Reassigned Medicare billing, California enrollment
- 2,460 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 8
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.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Renown Regional Medical Center
Acute Care Hospitals · Reno, NVMedicare 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.
Referred Medical Equipment & Supplies CMS DME claims 11
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
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.
STANFORD, CA 94305
STANFORD, CA 94305
STANFORD, CA 94305
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 Aijaz Ahmed's NPI number?
The NPI number for Aijaz Ahmed is 1447351747. It was assigned to this individual provider in the NPPES registry on September 26, 2006.
Where is Aijaz Ahmed located?
Aijaz Ahmed practices at 300 Pasteur Dr, Stanford, CA 94305. The listed phone number is (650) 723-4000.
What is Aijaz Ahmed's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Hepatology, with taxonomy code 207RI0008X.
Is Aijaz Ahmed enrolled in Medicare?
Yes. Aijaz Ahmed 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 Aijaz Ahmed's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Aijaz Ahmed reassigns Medicare benefits to 2 organizations: Stanford Health Care (Stanford, CA) and County Of Santa Clara (Palo Alto, 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 Aijaz Ahmed's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Aijaz Ahmed affiliated with any hospitals?
According to CMS data, Aijaz Ahmed is affiliated with Renown Regional Medical Center.
When was this NPI record last updated?
The NPPES record for Aijaz Ahmed was last updated on September 3, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 47 days 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.
# Aijaz Ahmed, MD · NPI 1447351747
Hepatology physician in Stanford, California. Individual provider, active in the CMS NPPES registry since September 26, 2006.
## Identity
- **NPI:** 1447351747 (Entity type: Individual)
- **Enumerated:** September 26, 2006
- **Primary specialty:** Internal Medicine - Hepatology · taxonomy 207RI0008X
- **State license:** A60520 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 300 PASTEUR DR, Stanford, CA 94305-2200
- **Phone:** (650) 723-4000
## 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:** 2 organizations under Medicare reassignment (form CMS-855R): Stanford Health Care (NPI 1437292927, Stanford, CA); County Of Santa Clara (NPI 1144330614, Palo Alto, CA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 1990
## Record status
- **NPPES last updated:** September 3, 2026
- **Other identifiers:** Medicaid 00A605200 (CA)
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Source: [NPI Profile](https://npiprofile.com/npi/1447351747) · Data from the CMS NPPES public registry.