DR. HARPREET SINGH GREWAL M.D.
NPI 1114215126
Internal Medicine - Pulmonary Disease in New York, NY
About Dr. Harpreet Singh Grewal M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. HARPREET SINGH GREWAL M.D. (NPI 1114215126) is an individual pulmonary disease provider in New York, New York, licensed in New York (276791) and active in the NPI registry since July 2011. He is enrolled in Medicare PECOS, is affiliated with New York-presbyterian Hospital, and is a graduate of Other (2011).
NPPES Registry Identity
Specialties & Licenses 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
Dr. Harpreet Singh Grewal 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
2Medicare enrollment records show Harpreet Grewal 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
- 3,922 clinicians in this Medicare group
Englewood, NJ 07631
- Reassigned Medicare billing, New Jersey enrollment
- 149 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 7
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.
New York-Presbyterian Hospital
Acute Care Hospitals · New York, 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.
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
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
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 Harpreet Grewal's NPI number?
The NPI number for Harpreet Grewal is 1114215126. It was assigned to this individual provider in the NPPES registry on July 12, 2011.
Where is Harpreet Grewal located?
Harpreet Grewal practices at 622 W 168th St Ph 14th, New York, NY 10032. The listed phone number is (212) 305-7771.
What is Harpreet Grewal's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Pulmonary Disease, with taxonomy code 207RP1001X.
Is Harpreet Grewal enrolled in Medicare?
Yes. Harpreet Grewal 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 Harpreet Grewal's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Harpreet Grewal reassigns Medicare benefits to 2 organizations: Trustees Of Columbia University In The City Of New York (New York, NY) and Columbia Doctors Of New Jersey, P. C. (Englewood, NJ). 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 Harpreet Grewal's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Harpreet Grewal affiliated with any hospitals?
According to CMS data, Harpreet Grewal is affiliated with New York-Presbyterian Hospital.
When was this NPI record last updated?
The NPPES record for Harpreet Grewal was last updated on October 28, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.