DR. MARION CAROL STEIN
NPI 1245325513
Psychiatry & Neurology - Neurology in Boston, MA
About Dr. Marion Carol Stein NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. MARION CAROL STEIN (NPI 1245325513) is an individual neurology provider in Boston, Massachusetts, licensed in Massachusetts (47119) and active in the NPI registry since October 2006. She is enrolled in Medicare PECOS, is affiliated with Beth Israel Deaconess Medical Center, and is a graduate of Johns Hopkins University School Of Medicine (1975).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 2
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
Dr. Marion Carol Stein 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 Marion Stein reassigns Medicare billing to 2 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
- Also billed through NPI 1194765438 (Massachusetts)
- 85 clinicians in this Medicare group
Boston, MA 02215
- Reassigned Medicare billing, Massachusetts enrollment
- 1,477 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 3
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.
Beth Israel Deaconess Medical Center
Acute Care Hospitals · Boston, MAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 02215 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 13
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
BOSTON, MA 02215
BOSTON, MA 02215
BOSTON, MA 02215
BOSTON, MA 02215
BOSTON, MA 02215
BOSTON, MA 02215
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 Marion Stein's NPI number?
The NPI number for Marion Stein is 1245325513. It was assigned to this individual provider in the NPPES registry on October 4, 2006.
Where is Marion Stein located?
Marion Stein practices at 330 Brookline Ave. Ks 406, Boston, MA 02215. The listed phone number is (617) 667-1857.
What is Marion Stein's specialty?
The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Neurology, with taxonomy code 2084N0400X.
Is Marion Stein enrolled in Medicare?
Yes. Marion Stein 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 Marion Stein's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Marion Stein reassigns Medicare benefits to 2 organizations: Harvard Medical Faculty Phys At Beth Israel Deaconess Med Ctr, Inc (Boston, MA) and Beth Israel Deaconess Medical Center, Inc. (Boston, 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 Marion Stein's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Marion Stein accept?
Health plans from Taro Health list Marion Stein 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 Marion Stein affiliated with any hospitals?
According to CMS data, Marion Stein is affiliated with Beth Israel Deaconess Medical Center.
When was this NPI record last updated?
The NPPES record for Marion Stein was last updated on March 7, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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. Marion Carol Stein · NPI 1245325513
Neurology physician in Boston, Massachusetts. Individual provider, active in the CMS NPPES registry since October 4, 2006.
## Identity
- **NPI:** 1245325513 (Entity type: Individual)
- **Enumerated:** October 4, 2006
- **Primary specialty:** Psychiatry & Neurology - Neurology · taxonomy 2084N0400X
- **State license:** 47119 (Massachusetts)
- **Sole proprietor:** No
## Practice location
- **Address:** 330 BROOKLINE AVE., KS 406, Boston, MA 02215
- **Phone:** (617) 667-1857 · **Fax:** (617) 667-2987
## 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): Harvard Medical Faculty Phys At Beth Israel Deaconess Med Ctr, Inc (NPI 1992745236, Boston, MA); Beth Israel Deaconess Medical Center, Inc. (NPI 1548202641, Boston, MA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Johns Hopkins University School Of Medicine, class of 1975
## Record status
- **NPPES last updated:** March 7, 2023
- **Other identifiers:** Other 47119 (MA); Medicaid 0125458 (MA)
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Source: [NPI Profile](https://npiprofile.com/npi/1245325513) · Data from the CMS NPPES public registry.