MARISA ROBYN SIEGEL MD
NPI 1013607894
Emergency Medicine in Springfield, MA
About Marisa Robyn Siegel Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MARISA ROBYN SIEGEL MD (NPI 1013607894) is an individual emergency medicine provider in Springfield, Massachusetts, licensed in Massachusetts (1028011) and active in the NPI registry since May 2023. She is enrolled in Medicare PECOS, is affiliated with Baystate Medical Center, and is a graduate of New York Medical College (2022).
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
Marisa Robyn Siegel 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 Marisa Siegel reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Springfield, MA 01199
- Reassigned Medicare billing, Massachusetts enrollment
- 1,537 clinicians in this Medicare group
Franklin, PA 16323
- Reassigned Medicare billing, Pennsylvania enrollment
- 7,114 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 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Baystate Medical Center
Acute Care Hospitals · Springfield, MASt Clair Hospital
Acute Care Hospitals · Pittsburgh, PAPhysician 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
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 Marisa Siegel's NPI number?
The NPI number for Marisa Siegel is 1013607894. It was assigned to this individual provider in the NPPES registry on May 15, 2023.
Where is Marisa Siegel located?
Marisa Siegel practices at 759 Chestnut St # S6538, Springfield, MA 01107. The listed phone number is (413) 794-3233.
What is Marisa Siegel's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Marisa Siegel enrolled in Medicare?
Yes. Marisa Siegel 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 Marisa Siegel's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Marisa Siegel reassigns Medicare benefits to 2 organizations: Baystate Medical Practices, Inc (Springfield, MA) and University Of Pittsburgh Physicians (Franklin, PA). 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 Marisa Siegel's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Marisa Siegel accept?
Health plans from Taro Health list Marisa Siegel 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 Marisa Siegel affiliated with any hospitals?
According to CMS data, Marisa Siegel is affiliated with Baystate Medical Center and St Clair Hospital.
When was this NPI record last updated?
The NPPES record for Marisa Siegel was last updated on July 16, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.
# Marisa Robyn Siegel, MD · NPI 1013607894
Emergency Medicine physician in Springfield, Massachusetts. Individual provider, active in the CMS NPPES registry since May 15, 2023.
## Identity
- **NPI:** 1013607894 (Entity type: Individual)
- **Enumerated:** May 15, 2023
- **Primary specialty:** Emergency Medicine · taxonomy 207P00000X
- **State license:** 1028011 (Massachusetts)
- **Sole proprietor:** No
## Practice location
- **Address:** 759 CHESTNUT ST # S6538, Springfield, MA 01107-1619
- **Phone:** (413) 794-3233 · **Fax:** (413) 794-9060
## 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): Baystate Medical Practices, Inc (NPI 1548205909, Springfield, MA); University Of Pittsburgh Physicians (NPI 1619381456, Franklin, PA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** New York Medical College, class of 2022
## Record status
- **NPPES last updated:** July 16, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1013607894) · Data from the CMS NPPES public registry.