DR. MARILYN P GRIFFIN M.D.
NPI 1831138833
Internal Medicine - Pulmonary Disease in Roxbury Crossing, MA
About Dr. Marilyn P Griffin M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. MARILYN P GRIFFIN M.D. (NPI 1831138833) is an individual pulmonary disease provider in Roxbury Crossing, Massachusetts, licensed in Massachusetts (43725) and active in the NPI registry since June 2006. She is enrolled in Medicare PECOS and is a graduate of Harvard Medical School (1977).
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
Dr. Marilyn P Griffin 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 Reassignment
Medicare enrollment records show Marilyn Griffin reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Roxbury Crossing, MA 02120
- Reassigned Medicare billing, Massachusetts enrollment
- 112 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 02120 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 13
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.
ROXBURY CROSSING, MA 02120
ROXBURY CROSSING, MA 02120
ROXBURY CROSSING, MA 02120
BOSTON, MA 02120
ROXBURY CROSSING, MA 02120
BOSTON, MA 02120
ROXBURY CROSSING, MA 02120
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 Marilyn Griffin's NPI number?
The NPI number for Marilyn Griffin is 1831138833. It was assigned to this individual provider in the NPPES registry on June 5, 2006.
Where is Marilyn Griffin located?
Marilyn Griffin practices at 125 Parker Hill Ave Suite 502, Roxbury Crossing, MA 02120. The listed phone number is (617) 754-6199.
What is Marilyn Griffin's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Pulmonary Disease, with taxonomy code 207RP1001X.
Is Marilyn Griffin enrolled in Medicare?
Yes. Marilyn Griffin 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 Marilyn Griffin's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Marilyn Griffin reassigns Medicare benefits to New England Baptist Medical Associates, Inc. (Roxbury Crossing, 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 Marilyn Griffin's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Marilyn Griffin accept?
Health plans from Taro Health list Marilyn Griffin 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.
When was this NPI record last updated?
The NPPES record for Marilyn Griffin was last updated on July 8, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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. Marilyn P Griffin, M.D. · NPI 1831138833
Pulmonary Disease physician in Roxbury Crossing, Massachusetts. Individual provider, active in the CMS NPPES registry since June 5, 2006.
## Identity
- **NPI:** 1831138833 (Entity type: Individual)
- **Enumerated:** June 5, 2006
- **Primary specialty:** Internal Medicine - Pulmonary Disease · taxonomy 207RP1001X
- **State license:** 43725 (Massachusetts)
- **Sole proprietor:** No
## Practice location
- **Address:** 125 PARKER HILL AVE, SUITE 502, Roxbury Crossing, MA 02120-2847
- **Phone:** (617) 754-6199
## 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:** New England Baptist Medical Associates, Inc. (NPI 1609854991, Roxbury Crossing, MA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Harvard Medical School, class of 1977
## Record status
- **NPPES last updated:** July 8, 2007
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Source: [NPI Profile](https://npiprofile.com/npi/1831138833) · Data from the CMS NPPES public registry.