SIERRA M STARR MD
NPI 1891256319
Obstetrics & Gynecology - Complex Family Planning in Springfield, MA
About Sierra M Starr Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
SIERRA M STARR MD (NPI 1891256319) is an individual complex family planning provider in Springfield, Massachusetts, licensed in Massachusetts (1024141) and active in the NPI registry since March 2019. She is enrolled in Medicare PECOS, is affiliated with Baystate Medical Center, and is a graduate of Geisel School Of Medicine At Dartmouth (2019).
NPPES Registry Identity
Specialties & Licenses
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
Sierra M Starr 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 Reassignment
Medicare enrollment records show Sierra Starr reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Springfield, MA 01199
- Reassigned Medicare billing, Massachusetts enrollment
- 1,537 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.
Baystate Medical Center
Acute Care Hospitals · Springfield, MAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 01107 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.
SPRINGFIELD, MA 01107
SPRINGFIELD, MA 01107
SPRINGFIELD, MA 01107
SPRINGFIELD, MA 01107
SPRINGFIELD, MA 01107
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 Sierra Starr's NPI number?
The NPI number for Sierra Starr is 1891256319. It was assigned to this individual provider in the NPPES registry on March 27, 2019.
Where is Sierra Starr located?
Sierra Starr practices at 3300 Main Street 4th Fl, Suite D, Springfield, MA 01107. The listed phone number is (413) 794-7045.
What is Sierra Starr's specialty?
The primary specialty registered for this NPI is Obstetrics & Gynecology, specializing in Complex Family Planning, with taxonomy code 207VC0300X.
Is Sierra Starr enrolled in Medicare?
Yes. Sierra Starr 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 organization bills Medicare for Sierra Starr's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Sierra Starr reassigns Medicare benefits to Baystate Medical Practices, Inc (Springfield, MA). The 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 Sierra Starr's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Sierra Starr accept?
Health plans from Anthem Blue Cross and Blue Shield and Taro Health list Sierra Starr 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 Sierra Starr affiliated with any hospitals?
According to CMS data, Sierra Starr is affiliated with Baystate Medical Center.
When was this NPI record last updated?
The NPPES record for Sierra Starr was last updated on October 1, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 months 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.