MR. HILLARD WARM M.D.
NPI 1922150739
Specialist in Port Jefferson Station, NY
About Mr. Hillard Warm M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MR. HILLARD WARM M.D. (NPI 1922150739) is an individual specialist in Port Jefferson Station, New York, licensed in New York (145594) and active in the NPI registry since January 2007. He is enrolled in Medicare PECOS, is affiliated with John T Mather Memorial Hospital Of Port Jefferson, and is a graduate of Other (1979).
NPPES Registry Identity
Specialties & Licenses
Other Names 1
Other Identifiers 3
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
Mr. Hillard Warm 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 Reassignment
Medicare enrollment records show Hillard Warm reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Port Jefferson Station, NY 11776
- Reassigned Medicare billing, New York enrollment
- 2 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.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
John T Mather Memorial Hospital Of Port Jefferson
Acute Care Hospitals · Port Jefferson, NYReferred Medical Equipment & Supplies CMS DME claims 5
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
Other Providers at the Same Location NPPES 3
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 Hillard Warm's NPI number?
The NPI number for Hillard Warm is 1922150739. It was assigned to this individual provider in the NPPES registry on January 18, 2007. The provider is also known as Mr. Hillard Warm M.D..
Where is Hillard Warm located?
Hillard Warm practices at 4616 Nesconset Hwy, Port Jefferson Station, NY 11776. The listed phone number is (631) 473-7070.
What is Hillard Warm's specialty?
The primary specialty registered for this NPI is Specialist with taxonomy code 174400000X.
Is Hillard Warm enrolled in Medicare?
Yes. Hillard Warm 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 organization bills Medicare for Hillard Warm's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Hillard Warm reassigns Medicare benefits to Cosmetic Surgery Of New York PC (Port Jefferson Station, NY). The 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 Hillard Warm's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Hillard Warm affiliated with any hospitals?
According to CMS data, Hillard Warm is affiliated with John T Mather Memorial Hospital Of Port Jefferson.
When was this NPI record last updated?
The NPPES record for Hillard Warm was last updated on March 17, 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.
# Mr. Hillard Warm, M.D. · NPI 1922150739
Specialist provider in Port Jefferson Station, New York. Individual provider, active in the CMS NPPES registry since January 18, 2007.
## Identity
- **NPI:** 1922150739 (Entity type: Individual)
- **Enumerated:** January 18, 2007
- **Primary specialty:** Specialist · taxonomy 174400000X
- **State license:** 145594 (New York)
- **Sole proprietor:** No
## Practice location
- **Address:** 4616 NESCONSET HWY, Port Jefferson Station, NY 11776-2563
- **Phone:** (631) 473-7070 · **Fax:** (631) 331-2654
## 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:** Cosmetic Surgery Of New York PC (NPI 1124229562, Port Jefferson Station, NY), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 1979
## Record status
- **NPPES last updated:** March 17, 2011
- **Other identifiers:** Medicare PIN 27E521 (NY); Medicare UPIN A61768 (NY); Other 145594 (NY)
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Source: [NPI Profile](https://npiprofile.com/npi/1922150739) · Data from the CMS NPPES public registry.