DR. GAMALIEL IMMANUEL MD
NPI 1598855231
Internal Medicine - Gastroenterology in Hempstead, NY
About Dr. Gamaliel Immanuel Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. GAMALIEL IMMANUEL MD (NPI 1598855231) is an individual gastroenterology provider in Hempstead, New York, licensed in New York (142841) and active in the NPI registry since October 2006. He is enrolled in Medicare PECOS, is affiliated with Long Island Community Hospital, and is a graduate of Other (1969).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 1
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. Gamaliel Immanuel 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
2Medicare enrollment records show Gamaliel Immanuel reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Hempstead, NY 11550
- Reassigned Medicare billing, New York enrollment
Hempstead, NY 11550
- 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 8
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.
Long Island Community Hospital
Acute Care Hospitals · Patchogue, NYPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 11550 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
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.
HEMPSTEAD, NY 11550
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 Gamaliel Immanuel's NPI number?
The NPI number for Gamaliel Immanuel is 1598855231. It was assigned to this individual provider in the NPPES registry on October 13, 2006.
Where is Gamaliel Immanuel located?
Gamaliel Immanuel practices at 230 Hilton Ave, Hempstead, NY 11550. The listed phone number is (516) 565-5556.
What is Gamaliel Immanuel's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.
Is Gamaliel Immanuel enrolled in Medicare?
Yes. Gamaliel Immanuel 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 Gamaliel Immanuel's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Gamaliel Immanuel reassigns Medicare benefits to 2 organizations: Gamaliel Immanuel,physician PC (Hempstead, NY) and Gamaliel Immanuel Medical Services PC (Hempstead, 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 Gamaliel Immanuel's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Gamaliel Immanuel affiliated with any hospitals?
According to CMS data, Gamaliel Immanuel is affiliated with Long Island Community Hospital.
When was this NPI record last updated?
The NPPES record for Gamaliel Immanuel 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. Gamaliel Immanuel, MD · NPI 1598855231
Gastroenterology physician in Hempstead, New York. Individual provider, active in the CMS NPPES registry since October 13, 2006.
## Identity
- **NPI:** 1598855231 (Entity type: Individual)
- **Enumerated:** October 13, 2006
- **Primary specialty:** Internal Medicine - Gastroenterology · taxonomy 207RG0100X
- **State license:** 142841 (New York)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 230 HILTON AVE, Hempstead, NY 11550-8115
- **Phone:** (516) 565-5556 · **Fax:** (516) 483-0396
## 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:** 2 organizations under Medicare reassignment (form CMS-855R): Gamaliel Immanuel,physician PC (NPI 1538469713, Hempstead, NY); Gamaliel Immanuel Medical Services PC (NPI 1821527680, Hempstead, NY) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 1969
## Record status
- **NPPES last updated:** July 8, 2007
- **Other identifiers:** Medicare UPIN B17485 (NY)
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Source: [NPI Profile](https://npiprofile.com/npi/1598855231) · Data from the CMS NPPES public registry.