DR. HAN TONY GAO M.D.
NPI 1023495330
Emergency Medicine in Rochester, NY
About Dr. Han Tony Gao M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. HAN TONY GAO M.D. (NPI 1023495330) is an individual emergency medicine provider in Rochester, New York, licensed in California (A154520) and active in the NPI registry since May 2015. He is enrolled in Medicare PECOS, is affiliated with Hca Florida Gulf Coast Hospital, and maintains a secondary practice location in San Antonio.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
Other Identifiers 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
Dr. Han Tony Gao 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
12Medicare enrollment records show Han Gao reassigns Medicare billing to 12 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Rochester, NY 14621
- Reassigned Medicare billing, New York enrollment
- 2,285 clinicians in this Medicare group
Rochester, NY 14617
- Reassigned Medicare billing, New York enrollment
- 1,442 clinicians in this Medicare group
Newark, NY 14513
- Reassigned Medicare billing, New York enrollment
- 679 clinicians in this Medicare group
Aventura, FL 33180
- Reassigned Medicare billing, Florida enrollment
- 1,912 clinicians in this Medicare group
Amarillo, TX 79106
- Reassigned Medicare billing, Texas enrollment
- 150 clinicians in this Medicare group
Boerne, TX 78015
- Reassigned Medicare billing, Texas enrollment
- 2,397 clinicians in this Medicare group
El Paso, TX 79936
- Reassigned Medicare billing, Texas enrollment
- 172 clinicians in this Medicare group
San Diego, CA 92127
- Reassigned Medicare billing, California enrollment
- 271 clinicians in this Medicare group
Encinitas, CA 92024
- Reassigned Medicare billing, California enrollment
- 221 clinicians in this Medicare group
San Diego, CA 92103
- Reassigned Medicare billing, California enrollment
- 75 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 4
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 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Hca Florida Gulf Coast Hospital
Acute Care Hospitals · Panama City, FLThe Hospitals Of Providence - East Campus
Acute Care Hospitals · El Paso, TXPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 14621 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.
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 Han Gao's NPI number?
The NPI number for Han Gao is 1023495330. It was assigned to this individual provider in the NPPES registry on May 6, 2015.
Where is Han Gao located?
Han Gao practices at 1425 Portland Ave, Rochester, NY 14621. The listed phone number is (585) 922-5067.
What is Han Gao's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Han Gao enrolled in Medicare?
Yes. Han Gao 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 Han Gao's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Han Gao reassigns Medicare benefits to 12 organizations: Rochester General Hospital (Rochester, NY), The Unity Hospital Of Rochester (Rochester, NY), Newark Wayne Community Hospital (Newark, NY), Emergency Medicine Services Of Fl, LLC (Aventura, FL), Em Alliance Texas, PLLC (Amarillo, TX) and 7 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 Han Gao's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Han Gao accept?
Health plans from Blue Cross and Blue Shield of Texas, Imperial Insurance Companies, Inc., Oscar Health Maintenance Organization of Florida and Oscar Insurance Company list Han Gao 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 Han Gao affiliated with any hospitals?
According to CMS data, Han Gao is affiliated with Hca Florida Gulf Coast Hospital and The Hospitals Of Providence - East Campus.
When was this NPI record last updated?
The NPPES record for Han Gao was last updated on January 27, 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. Han Tony Gao, M.D. · NPI 1023495330
Emergency Medicine physician in Rochester, New York. Individual provider, active in the CMS NPPES registry since May 6, 2015.
## Identity
- **NPI:** 1023495330 (Entity type: Individual)
- **Enumerated:** May 6, 2015
- **Primary specialty:** Emergency Medicine · taxonomy 207P00000X
- **State license:** A154520 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 1425 PORTLAND AVE, Rochester, NY 14621-3011
- **Phone:** (585) 922-5067
## 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:** 12 organizations under Medicare reassignment (form CMS-855R): Rochester General Hospital (NPI 1063531929, Rochester, NY); The Unity Hospital Of Rochester (NPI 1457395766, Rochester, NY); Newark Wayne Community Hospital (NPI 1346369212, Newark, NY); Emergency Medicine Services Of Fl, LLC (NPI 1043917180, Aventura, FL); Em Alliance Texas, PLLC (NPI 1902621329, Amarillo, TX); and 7 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2015
## Record status
- **NPPES last updated:** January 27, 2025
- **Other identifiers:** Medicaid 411837401 (TX); Other 411837402 (TX)
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Source: [NPI Profile](https://npiprofile.com/npi/1023495330) · Data from the CMS NPPES public registry.