Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

HAMILTON SHAY M.D.
NPI 1831195205
Anesthesiology in Flushing, NY

Active since June 22, 2005PECOS EnrolledAccepts Medicare Assignment
5645 MAIN ST, FLUSHING, NY 11355(212) 746-2962 Get Directions Write a Review

NPPES record last updated: October 9, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Oct 9, 2026, Sep 30, 2024 (2 updates tracked since 2024).

About Hamilton Shay M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

HAMILTON SHAY M.D. (NPI 1831195205) is an individual anesthesiology provider in Flushing, New York, licensed in New Jersey (25MA08310300) and active in the NPI registry since June 2005. He is enrolled in Medicare PECOS, is affiliated with New York-presbyterian/queens, and is a graduate of Other (1982).

NPPES Registry Identity

NPI1831195205
Entity TypeIndividualMale
Primary Taxonomy207L00000X
Provider Legal NameHAMILTON SHAYCredential: M.D.
Location Address5645 MAIN STFlushing, NY 11355-5045
Mailing Address575 Lexington AveNew York, NY 10022-6102 · (212) 746-2962
Sole ProprietorNo
Medical School CMSOtherGraduated 1982
Enumeration DateJune 22, 2005
Last NPPES UpdateOctober 9, 20262 updates tracked since enumeration
NPPES CertifiedOctober 9, 2026
✔ NPI 1831195205 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyAnesthesiologyAllopathic & Osteopathic Physicians
Taxonomy Code207L00000X
Licenses✔ Licensed in NJ · 25MA08310300✔ Licensed in NY · 220738
Definition
An anesthesiologist is trained to provide pain relief and maintenance, or restoration, of a stable condition during and immediately following an operation or an obstetric or diagnostic procedure. The anesthesiologist assesses the risk of the patient undergoing surgery and optimizes the patient's condition prior to, during and after surgery. In addition to these management responsibilities, the anesthesiologist provides medical management and consultation in pain management and critical care medicine. Anesthesiologists diagnose and treat acute, long-standing and cancer pain problems; diagnose and treat patients with critical illnesses or severe injuries; direct resuscitation in the care of patients with cardiac or respiratory emergencies, including the need for artificial ventilation; and supervise post-anesthesia recovery.
5645 MAIN ST, Flushing, NY 11355

Other Identifiers 1

Medicaid02157959NY

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

Hamilton Shay 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.

PECOS PAC ID7214998160
PECOS Enrollment IDI20041023000072, I20190417000132
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

8

Medicare enrollment records show Hamilton Shay reassigns Medicare billing to 8 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Anesthesiology
8900 VAN WYCK EXPY
Jamaica, NY 11418
  • Reassigned Medicare billing, New York enrollment
  • 163 clinicians in this Medicare group
Anesthesiology
525 E 68TH ST
New York, NY 10021
  • Reassigned Medicare billing, New York enrollment
  • 247 clinicians in this Medicare group
Family Medicine
2633 BROADWAY
New York, NY 10025
  • Reassigned Medicare billing, New York enrollment
  • 5,251 clinicians in this Medicare group
Anesthesiology
111 TOWN SQUARE PL STE 420
Jersey City, NJ 07310
  • Reassigned Medicare billing, New York enrollment
  • 38 clinicians in this Medicare group
Anesthesiology
865 MERRICK AVE, SUITE N150
Westbury, NY 11590
  • Reassigned Medicare billing, New York enrollment
  • 37 clinicians in this Medicare group
Anesthesiology
2201 HEMPSTEAD TPKE DEPT OF
East Meadow, NY 11554
  • Reassigned Medicare billing, New York enrollment
  • 141 clinicians in this Medicare group
Anesthesiology
20 COMMERCE DR STE 135
Cranford, NJ 07016
  • Reassigned Medicare billing, New Jersey enrollment
  • 48 clinicians in this Medicare group
Anesthesiology
480 BEDFORD RD BLDG B
Chappaqua, NY 10514
  • Reassigned Medicare billing, New York enrollment
  • 1,406 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 2

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.

Anesthesia for other procedure on urinary system through urethra 00910
Anesthesia for a procedure on the urinary system through the urethra involves using medicine to numb sensation in the area. This is done to ensure you feel no pain or discomfort during the procedure. The medicine can be given locally, regionally, or generally, depending on the specifics of your procedure.
19 services18 patients
Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope 00731
This procedure involves the use of an endoscope, a flexible tube with a light and camera, to examine your esophagus, stomach, or upper small bowel. Anesthesia ensures you are comfortable and pain-free during the procedure.
13 services13 patients

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

New York-Presbyterian/Queens

Acute Care Hospitals · Flushing, NY
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number330055
Location56-45 Main StreetFlushing, NY 11355 · Queens County
Emergency services Birthing friendly

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.

Physician Assistant (Medical)
5645 MAIN ST
FLUSHING, NY 11355
Physician Assistant (Medical)
5645 MAIN ST
FLUSHING, NY 11355
Anesthesiology
5645 MAIN ST
FLUSHING, NY 11355
Internal Medicine (Infectious Disease)
5645 MAIN ST
FLUSHING, NY 11355
Student in an Organized Health Care Education/Training Program
5645 MAIN ST
FLUSHING, NY 11355
Student in an Organized Health Care Education/Training Program
5645 MAIN ST
FLUSHING, NY 11355
Student in an Organized Health Care Education/Training Program
5645 MAIN ST
FLUSHING, NY 11355
Nurse Practitioner (Family)
5645 MAIN ST
FLUSHING, NY 11355

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 Hamilton Shay's NPI number?

The NPI number for Hamilton Shay is 1831195205. It was assigned to this individual provider in the NPPES registry on June 22, 2005.

Where is Hamilton Shay located?

Hamilton Shay practices at 5645 Main St, Flushing, NY 11355. The listed phone number is (212) 746-2962.

What is Hamilton Shay's specialty?

The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.

Is Hamilton Shay enrolled in Medicare?

Yes. Hamilton Shay 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 Hamilton Shay's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Hamilton Shay reassigns Medicare benefits to 8 organizations: Jamaica Anesthesiologist, PC (Jamaica, NY), Weill Medical College Of Cornell (New York, NY), Montefiore Medical Center (New York, NY), Hudson Ambulatory Medical PLLC (Jersey City, NJ), Meadowbrook Medical Associates (Westbury, NY) and 3 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 Hamilton Shay's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

Is Hamilton Shay affiliated with any hospitals?

According to CMS data, Hamilton Shay is affiliated with New York-Presbyterian/Queens.

When was this NPI record last updated?

The NPPES record for Hamilton Shay was last updated on October 9, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 days 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.