ALTHEA MARIE HAMILTON MD
NPI 1508893991
Anesthesiology in Rochester, NY
About Althea Marie Hamilton Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ALTHEA MARIE HAMILTON MD (NPI 1508893991) is an individual anesthesiology provider in Rochester, New York, licensed in New Jersey (25MA05581600) and active in the NPI registry since June 2006. She is enrolled in Medicare PECOS, is affiliated with Peconic Bay Medical Center, and is a graduate of Tufts University School Of Medicine (1985).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 1
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
Althea Marie Hamilton 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
3Medicare enrollment records show Althea Hamilton reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Cortlandt Manor, NY 10567
- Reassigned Medicare billing, New York enrollment
- 1,074 clinicians in this Medicare group
Chappaqua, NY 10514
- Reassigned Medicare billing, New York enrollment
- 1,406 clinicians in this Medicare group
Rocky Point, NY 11778
- Reassigned Medicare billing, New York enrollment
- 233 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
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Peconic Bay Medical Center
Acute Care Hospitals · Riverhead, NYOther Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
ROCHESTER, NY 14618
ROCHESTER, NY 14618
ROCHESTER, NY 14618
ROCHESTER, NY 14618
ROCHESTER, NY 14618
ROCHESTER, NY 14618
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 Althea Hamilton's NPI number?
The NPI number for Althea Hamilton is 1508893991. It was assigned to this individual provider in the NPPES registry on June 28, 2006.
Where is Althea Hamilton located?
Althea Hamilton practices at 980 Westfall Rd Ste 300, Rochester, NY 14618. The listed phone number is (585) 957-8502.
What is Althea Hamilton's specialty?
The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.
Is Althea Hamilton enrolled in Medicare?
Yes. Althea Hamilton 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 Althea Hamilton's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Althea Hamilton reassigns Medicare benefits to 3 organizations: New York University (Cortlandt Manor, NY), North Shore - Lij Anesthesiology, PC (Chappaqua, NY) and Long Island Anesthesia Physicians LLP (Rocky Point, NY). 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 Althea Hamilton's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Althea Hamilton accept?
Health plans from Oscar Health and Oscar Insurance Company list Althea Hamilton 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 Althea Hamilton affiliated with any hospitals?
According to CMS data, Althea Hamilton is affiliated with Peconic Bay Medical Center.
When was this NPI record last updated?
The NPPES record for Althea Hamilton was last updated on October 25, 2011. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 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.
# Althea Marie Hamilton, MD · NPI 1508893991
Anesthesiology physician in Rochester, New York. Individual provider, active in the CMS NPPES registry since June 28, 2006.
## Identity
- **NPI:** 1508893991 (Entity type: Individual)
- **Enumerated:** June 28, 2006
- **Primary specialty:** Anesthesiology · taxonomy 207L00000X
- **State license:** 25MA05581600 (New Jersey)
- **Sole proprietor:** No
## Practice location
- **Address:** 980 WESTFALL RD, STE 300, Rochester, NY 14618-2605
- **Phone:** (585) 957-8502 · **Fax:** (585) 957-8502
## 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): New York University (NPI 1881987246, Cortlandt Manor, NY); North Shore - Lij Anesthesiology, PC (NPI 1417401266, Chappaqua, NY); Long Island Anesthesia Physicians LLP (NPI 1952387276, Rocky Point, NY) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Tufts University School Of Medicine, class of 1985
## Record status
- **NPPES last updated:** October 25, 2011
- **Other identifiers:** Medicare UPIN D92047 (NJ)
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Source: [NPI Profile](https://npiprofile.com/npi/1508893991) · Data from the CMS NPPES public registry.