DR. PATRICK JAMES HAMMILL M.D.
NPI 1851341739
Radiology - Diagnostic Radiology in New York, NY
About Dr. Patrick James Hammill M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. PATRICK JAMES HAMMILL M.D. (NPI 1851341739) is an individual diagnostic radiology provider in New York, New York, licensed in New York (237618) and active in the NPI registry since May 2006. He is enrolled in Medicare PECOS, is affiliated with Gila Regional Medical Center, and is a graduate of University Of Minnesota Medical School (2000).
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. Patrick James Hammill 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
17Medicare enrollment records show Patrick Hammill reassigns Medicare billing to 17 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Bronx, NY 10452
- Reassigned Medicare billing, New York enrollment
- 1,615 clinicians in this Medicare group
New York, NY 10037
- Reassigned Medicare billing, New York enrollment
- 2,094 clinicians in this Medicare group
New York, NY 10037
- Reassigned Medicare billing, New York enrollment
- 676 clinicians in this Medicare group
Bronx, NY 10451
- Reassigned Medicare billing, New York enrollment
- 971 clinicians in this Medicare group
New York, NY 10029
- Reassigned Medicare billing, New York enrollment
- 623 clinicians in this Medicare group
Las Cruces, NM 88011
- Reassigned Medicare billing, New Mexico and New York enrollments
- 155 clinicians in this Medicare group
Tohatchi, NM 87325
- Reassigned Medicare billing, Texas enrollment
- 618 clinicians in this Medicare group
Tsaile, AZ 86556
- Reassigned Medicare billing, Texas enrollment
- 476 clinicians in this Medicare group
Fort Defiance, AZ 86504
- Reassigned Medicare billing, Texas enrollment
- 518 clinicians in this Medicare group
Silver City, NM 88061
- Reassigned Medicare billing, New Mexico enrollment
- 51 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.
Hospital Affiliations CMS Care Compare 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Gila Regional Medical Center
Critical Access Hospitals · Silver City, NMKings County Hospital Center
Acute Care Hospitals · Brooklyn, NYPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 10032 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.
NEW YORK, NY 10032
NEW YORK, NY 10032
NEW YORK, NY 10032
NEW YORK, NY 10032
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 Patrick Hammill's NPI number?
The NPI number for Patrick Hammill is 1851341739. It was assigned to this individual provider in the NPPES registry on May 11, 2006.
Where is Patrick Hammill located?
Patrick Hammill practices at 630 W 168th St Mc28, New York, NY 10032. The listed phone number is (212) 305-1948.
What is Patrick Hammill's specialty?
The primary specialty registered for this NPI is Radiology, specializing in Diagnostic Radiology, with taxonomy code 2085R0202X.
Is Patrick Hammill enrolled in Medicare?
Yes. Patrick Hammill 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 Patrick Hammill's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Patrick Hammill reassigns Medicare benefits to 17 organizations: New York City Health And Hospitals Corporation (Bronx, NY), Physician Affiliate Group Of New York PC (New York, NY), Harlem Medical Associates PC (New York, NY), Downtown Bronx Medical Associates PC (Bronx, NY), Metropolitan Medical Practice Plan PC (New York, NY) and 12 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 Patrick Hammill's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Patrick Hammill affiliated with any hospitals?
According to CMS data, Patrick Hammill is affiliated with Gila Regional Medical Center and Kings County Hospital Center.
When was this NPI record last updated?
The NPPES record for Patrick Hammill was last updated on July 8, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.
# Dr. Patrick James Hammill, M.D. · NPI 1851341739
Diagnostic Radiology physician in New York, New York. Individual provider, active in the CMS NPPES registry since May 11, 2006.
## Identity
- **NPI:** 1851341739 (Entity type: Individual)
- **Enumerated:** May 11, 2006
- **Primary specialty:** Radiology - Diagnostic Radiology · taxonomy 2085R0202X
- **State license:** 237618 (New York)
- **Sole proprietor:** No
## Practice location
- **Address:** 630 W 168TH ST, MC28, New York, NY 10032-3725
- **Phone:** (212) 305-1948 · **Fax:** (212) 305-5777
## 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:** 17 organizations under Medicare reassignment (form CMS-855R): New York City Health And Hospitals Corporation (NPI 1003824608, Bronx, NY); Physician Affiliate Group Of New York PC (NPI 1013375526, New York, NY); Harlem Medical Associates PC (NPI 1487957692, New York, NY); Downtown Bronx Medical Associates PC (NPI 1689618407, Bronx, NY); Metropolitan Medical Practice Plan PC (NPI 1306138383, New York, NY); and 12 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Minnesota Medical School, class of 2000
## Record status
- **NPPES last updated:** July 8, 2007
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Source: [NPI Profile](https://npiprofile.com/npi/1851341739) · Data from the CMS NPPES public registry.