AMBREEN KHALIL MD
NPI 1063564268
Internal Medicine - Infectious Disease in San Francisco, CA
About Ambreen Khalil Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
AMBREEN KHALIL MD (NPI 1063564268) is an individual infectious disease provider in San Francisco, California, licensed in California (C174338) and active in the NPI registry since January 2007. She is enrolled in Medicare PECOS, is affiliated with Cheshire Medical Center, and maintains 2 additional practice locations.
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Locations 2
Accepted Insurance
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
Ambreen Khalil 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
18Medicare enrollment records show Ambreen Khalil reassigns Medicare billing to 18 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Fairfield, CA 94534
- Reassigned Medicare billing, California enrollment
- 3,056 clinicians in this Medicare group
Albuquerque, NM 87106
- Reassigned Medicare billing, New Mexico enrollment
- 2,105 clinicians in this Medicare group
Dallas, TX 75201
- Reassigned Medicare billing, Arizona, Florida, Idaho, Montana, New Mexico, South Carolina and Texas enrollments
- 161 clinicians in this Medicare group
Normal, IL 61761
- Reassigned Medicare billing, Illinois enrollment
- 698 clinicians in this Medicare group
Utica, NY 13502
- Reassigned Medicare billing, New York enrollment
- 657 clinicians in this Medicare group
Staten Island, NY 10310
- Reassigned Medicare billing, New York enrollment
- 305 clinicians in this Medicare group
Staten Island, NY 10304
- Reassigned Medicare billing, New York enrollment
- 24 clinicians in this Medicare group
Bronx, NY 10452
- Reassigned Medicare billing, New York enrollment
- 683 clinicians in this Medicare group
Long Island City, NY 11101
- Reassigned Medicare billing, New York enrollment
- 43 clinicians in this Medicare group
Bronx, NY 10453
- Reassigned Medicare billing, New York enrollment
- 1,393 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 5
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.
Cheshire Medical Center
Acute Care Hospitals · Keene, NHPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 94109 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.
Reported Quality Measures
Other Providers at the Same Location NPPES 6
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
SAN FRANCISCO, CA 94109
SAN FRANCISCO, CA 94109
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 Ambreen Khalil's NPI number?
The NPI number for Ambreen Khalil is 1063564268. It was assigned to this individual provider in the NPPES registry on January 17, 2007.
Where is Ambreen Khalil located?
Ambreen Khalil practices at 1199 Bush St Ste 400, San Francisco, CA 94109. The listed phone number is (415) 379-2980.
What is Ambreen Khalil's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Infectious Disease, with taxonomy code 207RI0200X.
Is Ambreen Khalil enrolled in Medicare?
Yes. Ambreen Khalil 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 Ambreen Khalil's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Ambreen Khalil reassigns Medicare benefits to 18 organizations: Sutter Valley Medical Foundation (Fairfield, CA), Unm Medical Group Inc (Albuquerque, NM), Access Telecare, PLLC (Dallas, TX), Carle West Physician Group Inc (Normal, IL), Mvhs Inc (Utica, NY) and 13 more organizations, listed in the Medicare section above. 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 Ambreen Khalil's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Ambreen Khalil accept?
Health plans from Ambetter from NH Healthy Families, Anthem Blue Cross and Blue Shield and Harvard Pilgrim Health Care list Ambreen Khalil as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
Is Ambreen Khalil affiliated with any hospitals?
According to CMS data, Ambreen Khalil is affiliated with Cheshire Medical Center.
When was this NPI record last updated?
The NPPES record for Ambreen Khalil was last updated on October 14, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.
# Ambreen Khalil, MD · NPI 1063564268
Infectious Disease physician in San Francisco, California. Individual provider, active in the CMS NPPES registry since January 17, 2007.
## Identity
- **NPI:** 1063564268 (Entity type: Individual)
- **Enumerated:** January 17, 2007
- **Primary specialty:** Internal Medicine - Infectious Disease · taxonomy 207RI0200X
- **State license:** C174338 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 1199 BUSH ST STE 400, San Francisco, CA 94109-5975
- **Phone:** (415) 379-2980
## 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:** 18 organizations under Medicare reassignment (form CMS-855R): Sutter Valley Medical Foundation (NPI 1184859894, Fairfield, CA); Unm Medical Group Inc (NPI 1831218627, Albuquerque, NM); Access Telecare, PLLC (NPI 1013303080, Dallas, TX); Carle West Physician Group Inc (NPI 1467074138, Normal, IL); Mvhs Inc (NPI 1770690737, Utica, NY); and 13 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 1998
## Record status
- **NPPES last updated:** October 14, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1063564268) · Data from the CMS NPPES public registry.