REHAN KHAN M.D.
NPI 1700078649
Internal Medicine in Elmhurst, NY
About Rehan Khan M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
REHAN KHAN M.D. (NPI 1700078649) is an individual internal medicine provider in Elmhurst, New York, licensed in New York (262627) and active in the NPI registry since August 2007. He is enrolled in Medicare PECOS, is affiliated with Garnet Health Medical Center, and is a graduate of Other (2007).
NPPES Registry Identity
Specialties & Licenses 2
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
Rehan Khan 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
13Medicare enrollment records show Rehan Khan reassigns Medicare billing to 13 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Elmhurst, NY 11373
- Reassigned Medicare billing, New York enrollment
- 2 clinicians in this Medicare group
Hackensack, NJ 07601
- Reassigned Medicare billing, New Jersey enrollment
- 110 clinicians in this Medicare group
Edison, NJ 08820
- Reassigned Medicare billing, New Jersey enrollment
- 351 clinicians in this Medicare group
Red Bank, NJ 07701
- Reassigned Medicare billing, New Jersey enrollment
- 37 clinicians in this Medicare group
Tinton Falls, NJ 07701
- Reassigned Medicare billing, New York enrollment
- 52 clinicians in this Medicare group
Morristown, NJ 07960
- Reassigned Medicare billing, New Jersey enrollment
- 71 clinicians in this Medicare group
Mendham, NJ 07945
- Reassigned Medicare billing, New Jersey enrollment
- 35 clinicians in this Medicare group
East Patchogue, NY 11772
- Reassigned Medicare billing, New York enrollment
- 640 clinicians in this Medicare group
Cornwall, NY 12518
- Reassigned Medicare billing, New York enrollment
- 79 clinicians in this Medicare group
Middletown, NY 10940
- Reassigned Medicare billing, New York enrollment
- 78 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.
Garnet Health Medical Center
Acute Care Hospitals · Middletown, NYSt Luke's Cornwall Hospital
Acute Care Hospitals · Newburgh, NYPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 11373 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
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 Rehan Khan's NPI number?
The NPI number for Rehan Khan is 1700078649. It was assigned to this individual provider in the NPPES registry on August 14, 2007.
Where is Rehan Khan located?
Rehan Khan practices at 40-18 Case Street, Elmhurst, NY 11373. The listed phone number is (718) 205-7400.
What is Rehan Khan's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Rehan Khan enrolled in Medicare?
Yes. Rehan Khan 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 Rehan Khan's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Rehan Khan reassigns Medicare benefits to 13 organizations: Muhammad J.S.Khan MD,pc (Elmhurst, NY), Cogent Healthcare Of New Jersey, PC (Hackensack, NJ), Hospitalist Physicians Of New Jersey PA (Edison, NJ), New Jersey Post Acute Medical Services 1 PA (Red Bank, NJ), Newburgh Physician Services PC (Tinton Falls, NJ) and 8 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 Rehan Khan's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Rehan Khan affiliated with any hospitals?
According to CMS data, Rehan Khan is affiliated with Garnet Health Medical Center and St Luke's Cornwall Hospital.
When was this NPI record last updated?
The NPPES record for Rehan Khan was last updated on March 13, 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.
# Rehan Khan, M.D. · NPI 1700078649
Internal Medicine physician in Elmhurst, New York. Individual provider, active in the CMS NPPES registry since August 14, 2007.
## Identity
- **NPI:** 1700078649 (Entity type: Individual)
- **Enumerated:** August 14, 2007
- **Primary specialty:** Internal Medicine · taxonomy 207R00000X
- **State license:** 262627 (New York)
- **Sole proprietor:** No
## Practice location
- **Address:** 40-18 CASE STREET, Elmhurst, NY 11373-1614
- **Phone:** (718) 205-7400
## 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:** 13 organizations under Medicare reassignment (form CMS-855R): Muhammad J.S.Khan MD,pc (NPI 1538203690, Elmhurst, NY); Cogent Healthcare Of New Jersey, PC (NPI 1629304290, Hackensack, NJ); Hospitalist Physicians Of New Jersey PA (NPI 1588021851, Edison, NJ); New Jersey Post Acute Medical Services 1 PA (NPI 1578092391, Red Bank, NJ); Newburgh Physician Services PC (NPI 1205268364, Tinton Falls, NJ); and 8 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2007
## Record status
- **NPPES last updated:** March 13, 2012
---
Source: [NPI Profile](https://npiprofile.com/npi/1700078649) · Data from the CMS NPPES public registry.