DR. AMBREEN HASAN M.D.
NPI 1265600910
Internal Medicine in Easton, PA
About Dr. Ambreen Hasan M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. AMBREEN HASAN M.D. (NPI 1265600910) is an individual internal medicine provider in Easton, Pennsylvania, licensed in Pennsylvania (MT 190257) and active in the NPI registry since February 2008. She is enrolled in Medicare PECOS and is a graduate of Other (2000).
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. Ambreen Hasan 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 Reassignment
Medicare enrollment records show Ambreen Hasan reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Hemet, CA 92545
- Reassigned Medicare billing, California enrollment
- 5,228 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 18042 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 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
EASTON, PA 18042
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 Hasan's NPI number?
The NPI number for Ambreen Hasan is 1265600910. It was assigned to this individual provider in the NPPES registry on February 15, 2008.
Where is Ambreen Hasan located?
Ambreen Hasan practices at 250 S 21st St, Easton, PA 18042. The listed phone number is (610) 250-4515.
What is Ambreen Hasan's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Ambreen Hasan enrolled in Medicare?
Yes. Ambreen Hasan 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 Ambreen Hasan's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Ambreen Hasan reassigns Medicare benefits to Southern California Permanente Medical Group (Hemet, 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 Ambreen Hasan'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 Ambreen Hasan was last updated on December 8, 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. Ambreen Hasan, M.D. · NPI 1265600910
Internal Medicine physician in Easton, Pennsylvania. Individual provider, active in the CMS NPPES registry since February 15, 2008.
## Identity
- **NPI:** 1265600910 (Entity type: Individual)
- **Enumerated:** February 15, 2008
- **Primary specialty:** Internal Medicine · taxonomy 207R00000X
- **State license:** MT 190257 (Pennsylvania)
- **Sole proprietor:** No
## Practice location
- **Address:** 250 S 21ST ST, Easton, PA 18042-3851
- **Phone:** (610) 250-4515
## 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:** Southern California Permanente Medical Group (NPI 1013433465, Hemet, CA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2000
## Record status
- **NPPES last updated:** December 8, 2021
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Source: [NPI Profile](https://npiprofile.com/npi/1265600910) · Data from the CMS NPPES public registry.