DR. RITU RANI SARIN M.D.
NPI 1801112198
Emergency Medicine in Brookline, MA
About Dr. Ritu Rani Sarin M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. RITU RANI SARIN M.D. (NPI 1801112198) is an individual emergency medicine provider in Brookline, Massachusetts, licensed in Massachusetts (255440) and active in the NPI registry since April 2010. She is enrolled in Medicare PECOS, is affiliated with Multicare Good Samaritan Hospital, and is a graduate of Other (2010).
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 and accepts Medicare assignment
Dr. Ritu Rani Sarin 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
4Medicare enrollment records show Ritu Sarin reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Boston, MA 02215
- Reassigned Medicare billing, Massachusetts enrollment
- 247 clinicians in this Medicare group
Gardner, MA 01440
- Reassigned Medicare billing, Massachusetts enrollment
- 344 clinicians in this Medicare group
Puyallup, WA 98372
- Reassigned Medicare billing, Washington enrollment
- 42 clinicians in this Medicare group
Parkland, WA 98444
- Reassigned Medicare billing, Washington enrollment
- 105 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 6
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.
Multicare Good Samaritan Hospital
Acute Care Hospitals · Puyallup, WAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 02445 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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 Ritu Sarin's NPI number?
The NPI number for Ritu Sarin is 1801112198. It was assigned to this individual provider in the NPPES registry on April 13, 2010.
Where is Ritu Sarin located?
Ritu Sarin practices at 33 Pond Ave Apt 1207, Brookline, MA 02445. The listed phone number is (650) 814-2579.
What is Ritu Sarin's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Ritu Sarin enrolled in Medicare?
Yes. Ritu Sarin 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 Ritu Sarin's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Ritu Sarin reassigns Medicare benefits to 4 organizations: Harvard Medical Faculty Phys At Beth Israel Deaconess Med Ctr Inc (Boston, MA), Henry Heywood Memorial Hospital (Gardner, MA), Mt. Rainier Emergency Physicians, PLLC (Puyallup, WA) and Western Washington Emergency Physicians PLLC (Parkland, WA). 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 Ritu Sarin's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Ritu Sarin affiliated with any hospitals?
According to CMS data, Ritu Sarin is affiliated with Multicare Good Samaritan Hospital.
When was this NPI record last updated?
The NPPES record for Ritu Sarin was last updated on April 22, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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. Ritu Rani Sarin, M.D. · NPI 1801112198
Emergency Medicine physician in Brookline, Massachusetts. Individual provider, active in the CMS NPPES registry since April 13, 2010.
## Identity
- **NPI:** 1801112198 (Entity type: Individual)
- **Enumerated:** April 13, 2010
- **Primary specialty:** Emergency Medicine · taxonomy 207P00000X
- **State license:** 255440 (Massachusetts)
- **Sole proprietor:** No
## Practice location
- **Address:** 33 POND AVE APT 1207, Brookline, MA 02445-7159
- **Phone:** (650) 814-2579
## 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:** 4 organizations under Medicare reassignment (form CMS-855R): Harvard Medical Faculty Phys At Beth Israel Deaconess Med Ctr Inc (NPI 1316987993, Boston, MA); Henry Heywood Memorial Hospital (NPI 1205448701, Gardner, MA); Mt. Rainier Emergency Physicians, PLLC (NPI 1538104476, Puyallup, WA); Western Washington Emergency Physicians PLLC (NPI 1801352505, Parkland, WA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2010
## Record status
- **NPPES last updated:** April 22, 2019
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Source: [NPI Profile](https://npiprofile.com/npi/1801112198) · Data from the CMS NPPES public registry.