DR. HANGAMA ABASSI N.P.
NPI 1487083655
Nurse Practitioner in Walnut Creek, CA
About Dr. Hangama Abassi N.p. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. HANGAMA ABASSI N.P. (NPI 1487083655) is an individual nurse practitioner in Walnut Creek, California, licensed in California (95000027) and active in the NPI registry since November 2013. She is enrolled in Medicare PECOS and is a graduate of Other (2013).
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. Hangama Abassi N.p. 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
3Medicare enrollment records show Hangama Abassi reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Walnut Creek, CA 94597
- Reassigned Medicare billing, California enrollment
- 650 clinicians in this Medicare group
Pleasant Hill, CA 94523
- Reassigned Medicare billing, California enrollment
- 17 clinicians in this Medicare group
Orange, CA 92868
- Reassigned Medicare billing, California enrollment
- 525 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 94598 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.
Other Providers at the Same Location NPPES 15
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
WALNUT CREEK, CA 94598
WALNUT CREEK, CA 94598
WALNUT CREEK, CA 94598
WALNUT CREEK, CA 94598
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 Hangama Abassi's NPI number?
The NPI number for Hangama Abassi is 1487083655. It was assigned to this individual provider in the NPPES registry on November 7, 2013.
Where is Hangama Abassi located?
Hangama Abassi practices at 177 La Casa Via Ste 390, Walnut Creek, CA 94598. The listed phone number is (925) 677-5041.
What is Hangama Abassi's specialty?
The primary specialty registered for this NPI is Nurse Practitioner with taxonomy code 363L00000X.
Is Hangama Abassi enrolled in Medicare?
Yes. Hangama Abassi 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 Hangama Abassi's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Hangama Abassi reassigns Medicare benefits to 3 organizations: John Muir Physician Network (Walnut Creek, CA), East Bay Integrated Care, Inc (Pleasant Hill, CA) and Uc Regents (Orange, 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 Hangama Abassi'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 Hangama Abassi was last updated on February 24, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 20 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.
# Dr. Hangama Abassi, N.P. · NPI 1487083655
Nurse Practitioner physician in Walnut Creek, California. Individual provider, active in the CMS NPPES registry since November 7, 2013.
## Identity
- **NPI:** 1487083655 (Entity type: Individual)
- **Enumerated:** November 7, 2013
- **Primary specialty:** Nurse Practitioner · taxonomy 363L00000X
- **State license:** 95000027 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 177 LA CASA VIA STE 390, Walnut Creek, CA 94598-6101
- **Phone:** (925) 677-5041 · **Fax:** (714) 456-2242
## 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:** 3 organizations under Medicare reassignment (form CMS-855R): John Muir Physician Network (NPI 1841407665, Walnut Creek, CA); East Bay Integrated Care, Inc (NPI 1205946555, Pleasant Hill, CA); Uc Regents (NPI 1003864174, Orange, CA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2013
## Record status
- **NPPES last updated:** February 24, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1487083655) · Data from the CMS NPPES public registry.