HARPREET K RAI MD
NPI 1902301856
Internal Medicine - Endocrinology, Diabetes & Metabolism in Greenbrae, CA
About Harpreet K Rai Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
HARPREET K RAI MD (NPI 1902301856) is an individual endocrinology, diabetes & metabolism provider in Greenbrae, California, licensed in California (A211753) and active in the NPI registry since March 2018. She is enrolled in Medicare PECOS, is affiliated with Sanford Bemidji Medical Center, and maintains 2 additional practice locations.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Locations 2
Accepted Insurance
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
Harpreet K Rai 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
5Medicare enrollment records show Harpreet Rai reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Bagley, MN 56621
- Reassigned Medicare billing, Minnesota enrollment
- 607 clinicians in this Medicare group
Hoboken, NJ 07030
- Reassigned Medicare billing, New Jersey enrollment
- 124 clinicians in this Medicare group
Brooklyn, NY 11237
- Reassigned Medicare billing, New York enrollment
- 427 clinicians in this Medicare group
Claremont, NH 03743
- Reassigned Medicare billing, New Hampshire enrollment
- 2,999 clinicians in this Medicare group
Lebanon, NH 03756
- Reassigned Medicare billing, New Hampshire enrollment
- 2,620 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 5
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Sanford Bemidji Medical Center
Acute Care Hospitals · Bemidji, MNMary Hitchcock Memorial Hospital
Acute Care Hospitals · Lebanon, NHCheshire Medical Center
Acute Care Hospitals · Keene, NHNew London Hospital
Critical Access Hospitals · New London, NHAlice Peck Day Memorial Hospital
Critical Access Hospitals · Lebanon, NHPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 94904 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Referred Medical Equipment & Supplies CMS DME claims
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 6
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
GREENBRAE, CA 94904
GREENBRAE, CA 94904
GREENBRAE, CA 94904
GREENBRAE, CA 94904
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 Rai's NPI number?
The NPI number for Harpreet Rai is 1902301856. It was assigned to this individual provider in the NPPES registry on March 23, 2018.
Where is Harpreet Rai located?
Harpreet Rai practices at 900 S Eliseo Dr Ste 201, Greenbrae, CA 94904. The listed phone number is (415) 461-1780.
What is Harpreet Rai's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Endocrinology, Diabetes & Metabolism, with taxonomy code 207RE0101X.
Is Harpreet Rai enrolled in Medicare?
Yes. Harpreet Rai 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 Rai's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Harpreet Rai reassigns Medicare benefits to 5 organizations: Sanford Health Of Northern Minnesota (Bagley, MN), New Jersey Medical And Health Associates,llc (Hoboken, NJ), Wyckoff Professional Medical Services, PC (Brooklyn, NY), Dartmouth-Hitchcock Clinic (Claremont, NH) and Mary Hitchcock Memorial Hospital (Lebanon, NH). 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 Rai's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Harpreet Rai accept?
Health plans from Sanford Health Plan and Security Health Plan list Harpreet Rai as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
Is Harpreet Rai affiliated with any hospitals?
According to CMS data, Harpreet Rai is affiliated with Sanford Bemidji Medical Center, Mary Hitchcock Memorial Hospital, Cheshire Medical Center, New London Hospital and Alice Peck Day Memorial Hospital.
When was this NPI record last updated?
The NPPES record for Harpreet Rai was last updated on September 17, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 40 days 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.
# Harpreet K Rai, MD · NPI 1902301856
Endocrinology, Diabetes & Metabolism physician in Greenbrae, California. Individual provider, active in the CMS NPPES registry since March 23, 2018.
## Identity
- **NPI:** 1902301856 (Entity type: Individual)
- **Enumerated:** March 23, 2018
- **Primary specialty:** Internal Medicine - Endocrinology, Diabetes & Metabolism · taxonomy 207RE0101X
- **State license:** A211753 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 900 S ELISEO DR STE 201, Greenbrae, CA 94904-2153
- **Phone:** (415) 461-1780
## 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:** 5 organizations under Medicare reassignment (form CMS-855R): Sanford Health Of Northern Minnesota (NPI 1972875490, Bagley, MN); New Jersey Medical And Health Associates,llc (NPI 1558673582, Hoboken, NJ); Wyckoff Professional Medical Services, PC (NPI 1659710796, Brooklyn, NY); Dartmouth-Hitchcock Clinic (NPI 1891648952, Claremont, NH); Mary Hitchcock Memorial Hospital (NPI 1023092053, Lebanon, NH) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2014
## Record status
- **NPPES last updated:** September 17, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1902301856) · Data from the CMS NPPES public registry.