GIAN P NHAN M.D.
NPI 1982770657
Anesthesiology in Los Angeles, CA
About Gian P Nhan M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
GIAN P NHAN M.D. (NPI 1982770657) is an individual anesthesiology provider in Los Angeles, California, licensed in California (A64288) and active in the NPI registry since November 2006. He is enrolled in Medicare PECOS, maintains a secondary practice location in Duarte, and is a graduate of Loma Linda University School Of Medicine (1994).
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
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
Gian P Nhan 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 Reassignments
3Medicare enrollment records show Gian Nhan reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Glendale, CA 91206
- Reassigned Medicare billing, California enrollment
- 42 clinicians in this Medicare group
Duarte, CA 91010
- Reassigned Medicare billing, California enrollment
- 1,335 clinicians in this Medicare group
- Reassigned Medicare billing, California enrollment
- 420 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 10
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.
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 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
LOS ANGELES, CA 90033
LOS ANGELES, CA 90033
LOS ANGELES, CA 90033
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 Gian Nhan's NPI number?
The NPI number for Gian Nhan is 1982770657. It was assigned to this individual provider in the NPPES registry on November 27, 2006.
Where is Gian Nhan located?
Gian Nhan practices at 1720 E Cesar E Chavez Ave, Los Angeles, CA 90033. The listed phone number is (323) 268-5000.
What is Gian Nhan's specialty?
The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.
Is Gian Nhan enrolled in Medicare?
Yes. Gian Nhan 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 Gian Nhan's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Gian Nhan reassigns Medicare benefits to 3 organizations: Consultants For Anesthesia & Management Of Pain (Glendale, CA), City Of Hope Medical Foundation (Duarte, CA) and Allied Anesthesia Medical Group Inc (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 Gian Nhan'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 Gian Nhan was last updated on August 10, 2022. 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.
# Gian P Nhan, M.D. · NPI 1982770657
Anesthesiology physician in Los Angeles, California. Individual provider, active in the CMS NPPES registry since November 27, 2006.
## Identity
- **NPI:** 1982770657 (Entity type: Individual)
- **Enumerated:** November 27, 2006
- **Primary specialty:** Anesthesiology · taxonomy 207L00000X
- **State license:** A64288 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 1720 E CESAR E CHAVEZ AVE, Los Angeles, CA 90033-2414
- **Phone:** (323) 268-5000 · **Fax:** (562) 407-2082
## 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): Consultants For Anesthesia & Management Of Pain (NPI 1952323909, Glendale, CA); City Of Hope Medical Foundation (NPI 1871886366, Duarte, CA); Allied Anesthesia Medical Group Inc (CA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Loma Linda University School Of Medicine, class of 1994
## Record status
- **NPPES last updated:** August 10, 2022
- **Other identifiers:** Medicaid 00A642880 (CA)
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Source: [NPI Profile](https://npiprofile.com/npi/1982770657) · Data from the CMS NPPES public registry.