SARA KAHLOWN MD
NPI 1972168532
Internal Medicine - Rheumatology in Springfield, MA
About Sara Kahlown Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
SARA KAHLOWN MD (NPI 1972168532) is an individual rheumatology provider in Springfield, Massachusetts, licensed in Massachusetts (1024562) and active in the NPI registry since May 2019. She is enrolled in Medicare PECOS, is affiliated with Holyoke Medical Center, and is a graduate of Other (2016).
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
Sara Kahlown 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
2Medicare enrollment records show Sara Kahlown reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Holyoke, MA 01040
- Reassigned Medicare billing, Massachusetts enrollment
- 241 clinicians in this Medicare group
Westfield, MA 01085
- Reassigned Medicare billing, Massachusetts enrollment
- 242 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.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Holyoke Medical Center
Acute Care Hospitals · Holyoke, MAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 01104 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 20
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 Sara Kahlown's NPI number?
The NPI number for Sara Kahlown is 1972168532. It was assigned to this individual provider in the NPPES registry on May 8, 2019.
Where is Sara Kahlown located?
Sara Kahlown practices at 2150 Main St, Springfield, MA 01104. The listed phone number is (413) 534-2682.
What is Sara Kahlown's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Rheumatology, with taxonomy code 207RR0500X.
Is Sara Kahlown enrolled in Medicare?
Yes. Sara Kahlown 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 Sara Kahlown's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Sara Kahlown reassigns Medicare benefits to 2 organizations: Holyoke Medical Center, Inc. (Holyoke, MA) and Western Mass Physician Associates Inc (Westfield, MA). 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 Sara Kahlown's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Sara Kahlown affiliated with any hospitals?
According to CMS data, Sara Kahlown is affiliated with Holyoke Medical Center.
When was this NPI record last updated?
The NPPES record for Sara Kahlown was last updated on October 9, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 23 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.
# Sara Kahlown, MD · NPI 1972168532
Rheumatology physician in Springfield, Massachusetts. Individual provider, active in the CMS NPPES registry since May 8, 2019.
## Identity
- **NPI:** 1972168532 (Entity type: Individual)
- **Enumerated:** May 8, 2019
- **Primary specialty:** Internal Medicine - Rheumatology · taxonomy 207RR0500X
- **State license:** 1024562 (Massachusetts)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 2150 MAIN ST, Springfield, MA 01104-3566
- **Phone:** (413) 534-2682
## 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:** 2 organizations under Medicare reassignment (form CMS-855R): Holyoke Medical Center, Inc. (NPI 1750395737, Holyoke, MA); Western Mass Physician Associates Inc (NPI 1366087363, Westfield, MA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2016
## Record status
- **NPPES last updated:** October 9, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1972168532) · Data from the CMS NPPES public registry.