DR. MARK A MULLINS M.D.
NPI 1154302933
Emergency Medicine in South Weymouth, MA
About Dr. Mark A Mullins M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. MARK A MULLINS M.D. (NPI 1154302933) is an individual emergency medicine provider in South Weymouth, Massachusetts, licensed in Massachusetts (210264) and active in the NPI registry since November 2005. He is enrolled in Medicare PECOS, is affiliated with Winchester Hospital, and is a graduate of Tufts University School Of Medicine (1998).
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. Mark A Mullins 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
4Medicare enrollment records show Mark Mullins reassigns Medicare billing to 4 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
- 30 clinicians in this Medicare group
Winchester, MA 01890
- Reassigned Medicare billing, Massachusetts enrollment
- 221 clinicians in this Medicare group
Winchester, MA 01890
- Reassigned Medicare billing, Massachusetts enrollment
- 39 clinicians in this Medicare group
Burlington, MA 01805
- Reassigned Medicare billing, Massachusetts enrollment
- 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 9
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.
Winchester Hospital
Acute Care Hospitals · Winchester, MAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 02190 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.
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.
WEYMOUTH, MA 02190
SOUTH WEYMOUTH, MA 02190
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 Mark Mullins's NPI number?
The NPI number for Mark Mullins is 1154302933. It was assigned to this individual provider in the NPPES registry on November 9, 2005.
Where is Mark Mullins located?
Mark Mullins practices at 55 Fogg Rd, South Weymouth, MA 02190. The listed phone number is (781) 624-8321.
What is Mark Mullins's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Mark Mullins enrolled in Medicare?
Yes. Mark Mullins 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 Mark Mullins's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Mark Mullins reassigns Medicare benefits to 4 organizations: Tufts Medical Center Ep LLC (Boston, MA), Winchester Physician Associates, Inc (Winchester, MA), Winchester Emergency Medical Associates PC (Winchester, MA) and Beth Israel Lahey Health Specialty Care, Inc. (Burlington, 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 Mark Mullins's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Mark Mullins accept?
Health plans from Taro Health list Mark Mullins 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 Mark Mullins affiliated with any hospitals?
According to CMS data, Mark Mullins is affiliated with Winchester Hospital.
When was this NPI record last updated?
The NPPES record for Mark Mullins was last updated on July 30, 2015. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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. Mark A Mullins, M.D. · NPI 1154302933
Emergency Medicine physician in South Weymouth, Massachusetts. Individual provider, active in the CMS NPPES registry since November 9, 2005.
## Identity
- **NPI:** 1154302933 (Entity type: Individual)
- **Enumerated:** November 9, 2005
- **Primary specialty:** Emergency Medicine · taxonomy 207P00000X
- **State license:** 210264 (Massachusetts)
- **Sole proprietor:** No
## Practice location
- **Address:** 55 FOGG RD, South Weymouth, MA 02190-2432
- **Phone:** (781) 624-8321
## 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:** 4 organizations under Medicare reassignment (form CMS-855R): Tufts Medical Center Ep LLC (NPI 1609015262, Boston, MA); Winchester Physician Associates, Inc (NPI 1184606865, Winchester, MA); Winchester Emergency Medical Associates PC (NPI 1831131473, Winchester, MA); Beth Israel Lahey Health Specialty Care, Inc. (NPI 1427161660, Burlington, MA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Tufts University School Of Medicine, class of 1998
## Record status
- **NPPES last updated:** July 30, 2015
- **Other identifiers:** Medicaid 0163431 (MA); Medicare UPIN H51743 (MA)
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Source: [NPI Profile](https://npiprofile.com/npi/1154302933) · Data from the CMS NPPES public registry.