DR. HENRY GAINES M.D.
NPI 1821158064
Internal Medicine in New York, NY
About Dr. Henry Gaines M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. HENRY GAINES M.D. (NPI 1821158064) is an individual internal medicine provider in New York, New York, licensed in New York (143276) and active in the NPI registry since December 2006. He is enrolled in Medicare PECOS.
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 (PECOS)
Dr. Henry Gaines M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
2Medicare enrollment records show Henry Gaines reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
New York, NY 10032
- Reassigned Medicare billing, New York enrollment
- 612 clinicians in this Medicare group
New York, NY 10032
- Reassigned Medicare billing, New York enrollment
- Also billed through NPI 1982993184 (New York)
- 3,922 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 10031 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 16
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
NEW YORK, NY 10031
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 Henry Gaines's NPI number?
The NPI number for Henry Gaines is 1821158064. It was assigned to this individual provider in the NPPES registry on December 11, 2006.
Where is Henry Gaines located?
Henry Gaines practices at 534 W 135th St, New York, NY 10031. The listed phone number is (212) 491-2300.
What is Henry Gaines's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Henry Gaines enrolled in Medicare?
Yes. Henry Gaines is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Henry Gaines's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Henry Gaines reassigns Medicare benefits to 2 organizations: Trustees Of Columbia University In The City Of New York (New York, NY) and Trustees Of Columbia University In The City Of New York (New York, 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 Henry Gaines's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Henry Gaines was last updated on October 9, 2012. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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. Henry Gaines, M.D. · NPI 1821158064
Internal Medicine physician in New York, New York. Individual provider, active in the CMS NPPES registry since December 11, 2006.
## Identity
- **NPI:** 1821158064 (Entity type: Individual)
- **Enumerated:** December 11, 2006
- **Primary specialty:** Internal Medicine · taxonomy 207R00000X
- **State license:** 143276 (New York)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 534 W 135TH ST, New York, NY 10031-8601
- **Phone:** (212) 491-2300
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **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): Trustees Of Columbia University In The City Of New York (NPI 1437176047, New York, NY); Trustees Of Columbia University In The City Of New York (NPI 1477068971, New York, NY) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** October 9, 2012
---
Source: [NPI Profile](https://npiprofile.com/npi/1821158064) · Data from the CMS NPPES public registry.