MICHELLE ELIZABETH OLSHESKI M.D.
NPI 1437313558
Radiology - Radiation Oncology in Boston, MA
About Michelle Elizabeth Olsheski M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MICHELLE ELIZABETH OLSHESKI M.D. (NPI 1437313558) is an individual radiation oncology provider in Boston, Massachusetts, licensed in Massachusetts (257370) and active in the NPI registry since July 2008. She is enrolled in Medicare PECOS, is affiliated with Cooley Dickinson Hospital Inc,the, and maintains a secondary practice location in Northampton.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
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
Michelle Elizabeth Olsheski 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
3Medicare enrollment records show Michelle Olsheski reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Boston, MA 02114
- Reassigned Medicare billing, Massachusetts enrollment
- 6,360 clinicians in this Medicare group
Boston, MA 02114
- Reassigned Medicare billing, Massachusetts enrollment
- 6,234 clinicians in this Medicare group
Northampton, MA 01060
- Reassigned Medicare billing, Massachusetts enrollment
- 539 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 3
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Cooley Dickinson Hospital Inc,the
Acute Care Hospitals · Northampton, MABaystate Franklin Medical Center
Acute Care Hospitals · Greenfield, MAHolyoke Medical Center
Acute Care Hospitals · Holyoke, MAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 02114 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 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
BOSTON, MA 02114
BOSTON, MA 02114
BOSTON, MA 02114
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 Michelle Olsheski's NPI number?
The NPI number for Michelle Olsheski is 1437313558. It was assigned to this individual provider in the NPPES registry on July 17, 2008.
Where is Michelle Olsheski located?
Michelle Olsheski practices at 55 Fruit St, Boston, MA 02114. The listed phone number is (617) 724-0288.
What is Michelle Olsheski's specialty?
The primary specialty registered for this NPI is Radiology, specializing in Radiation Oncology, with taxonomy code 2085R0001X.
Is Michelle Olsheski enrolled in Medicare?
Yes. Michelle Olsheski 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 Michelle Olsheski's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Michelle Olsheski reassigns Medicare benefits to 3 organizations: Massachusetts General Physicians Organization Inc (Boston, MA), The General Hospital Corporation (Boston, MA) and Mass General Brigham Medical Group Western Massachusetts Inc (Northampton, 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 Michelle Olsheski's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Michelle Olsheski accept?
Health plans from Taro Health list Michelle Olsheski 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 Michelle Olsheski affiliated with any hospitals?
According to CMS data, Michelle Olsheski is affiliated with Cooley Dickinson Hospital Inc,the, Baystate Franklin Medical Center and Holyoke Medical Center.
When was this NPI record last updated?
The NPPES record for Michelle Olsheski was last updated on June 10, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 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.
# Michelle Elizabeth Olsheski, M.D. · NPI 1437313558
Radiation Oncology physician in Boston, Massachusetts. Individual provider, active in the CMS NPPES registry since July 17, 2008.
## Identity
- **NPI:** 1437313558 (Entity type: Individual)
- **Enumerated:** July 17, 2008
- **Primary specialty:** Radiology - Radiation Oncology · taxonomy 2085R0001X
- **State license:** 257370 (Massachusetts)
- **Sole proprietor:** No
## Practice location
- **Address:** 55 FRUIT ST, Boston, MA 02114-2621
- **Phone:** (617) 724-0288
## 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:** 3 organizations under Medicare reassignment (form CMS-855R): Massachusetts General Physicians Organization Inc (NPI 1801874573, Boston, MA); The General Hospital Corporation (NPI 1023049236, Boston, MA); Mass General Brigham Medical Group Western Massachusetts Inc (NPI 1295787919, Northampton, MA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Temple University School Of Medicine, class of 2007
## Record status
- **NPPES last updated:** June 10, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1437313558) · Data from the CMS NPPES public registry.