DR. MARY JEANNETTE HOPKINS M.D.
NPI 1396060133
Internal Medicine - Infectious Disease in Boston, MA
About Dr. Mary Jeannette Hopkins M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. MARY JEANNETTE HOPKINS M.D. (NPI 1396060133) is an individual infectious disease provider in Boston, Massachusetts, licensed in Massachusetts (275201) and active in the NPI registry since April 2010. She is enrolled in Medicare PECOS, is affiliated with Emerson Hospital -, and is a graduate of Other (2010).
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. Mary Jeannette Hopkins 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
5Medicare enrollment records show Mary Hopkins reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Boston, MA 02111
- Reassigned Medicare billing, Massachusetts enrollment
- 334 clinicians in this Medicare group
Melrose, MA 02176
- Reassigned Medicare billing, Massachusetts enrollment
- 176 clinicians in this Medicare group
Stoughton, MA 02072
- Reassigned Medicare billing, Massachusetts enrollment
- 337 clinicians in this Medicare group
Concord, MA 01742
- Reassigned Medicare billing, Massachusetts enrollment
- 451 clinicians in this Medicare group
Brockton, MA 02301
- Reassigned Medicare billing, Massachusetts enrollment
- 173 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 7
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 3
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Emerson Hospital -
Acute Care Hospitals · W Concord, MABrigham And Women's Hospital
Acute Care Hospitals · Boston, MATufts Medical Center
Acute Care Hospitals · Boston, MAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 02111 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Reported Quality Measures
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 02111
BOSTON, MA 02111
BOSTON, MA 02111
BOSTON, MA 02111
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 Mary Hopkins's NPI number?
The NPI number for Mary Hopkins is 1396060133. It was assigned to this individual provider in the NPPES registry on April 5, 2010.
Where is Mary Hopkins located?
Mary Hopkins practices at 800 Washington St, Boston, MA 02111. The listed phone number is (617) 636-5000.
What is Mary Hopkins's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Infectious Disease, with taxonomy code 207RI0200X.
Is Mary Hopkins enrolled in Medicare?
Yes. Mary Hopkins 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 Mary Hopkins's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Mary Hopkins reassigns Medicare benefits to 5 organizations: Pratt Medical Group, Inc (Boston, MA), Massachusetts Acute Care Specialists PC (Melrose, MA), Sound Physicians Of Massachusetts, Inc (Stoughton, MA), Emerson Practice Associates, Inc. (Concord, MA) and Sound Physicians Of Massachusetts II PC (Brockton, 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 Mary Hopkins's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Mary Hopkins accept?
Health plans from Anthem Blue Cross and Blue Shield and Taro Health list Mary Hopkins 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 Mary Hopkins affiliated with any hospitals?
According to CMS data, Mary Hopkins is affiliated with Emerson Hospital -, Brigham And Women's Hospital and Tufts Medical Center.
When was this NPI record last updated?
The NPPES record for Mary Hopkins was last updated on July 11, 2018. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.