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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

DR. DEREK ALEXANDER MUMAW MD
NPI 1013532449
Radiology - Radiation Oncology in Dartmouth, MA

Active since June 11, 2020PECOS Enrolled
537 FAUNCE CORNER RD, DARTMOUTH, MA 02747(508) 689-3100 Get Directions Write a Review

NPPES record last updated: July 27, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Jul 27, 2026, Jul 23, 2026, Jun 26, 2025 and 1 more (4 updates tracked since 2020).

About Dr. Derek Alexander Mumaw Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. DEREK ALEXANDER MUMAW MD (NPI 1013532449) is an individual radiation oncology provider in Dartmouth, Massachusetts, licensed in Massachusetts (1023968) and active in the NPI registry since June 2020. He is enrolled in Medicare PECOS, is affiliated with Saint Anne's Hospital, and maintains 4 additional practice locations.

NPPES Registry Identity

NPI1013532449
Entity TypeIndividualMale
Primary Taxonomy2085R0001X
Provider Legal NameDR. DEREK ALEXANDER MUMAWCredential: MD
Location Address537 FAUNCE CORNER RDDartmouth, MA 02747-1242
Mailing Address795 Middle StFall River, MA 02721-1798 · (508) 674-5600
Phone(508) 689-3100
Sole ProprietorNo
Medical School CMSHofstra North Shore - Lij School Of MedicineGraduated 2020
Enumeration DateJune 11, 2020
Last NPPES UpdateJuly 27, 20264 updates tracked since enumeration
NPPES CertifiedJuly 27, 2026
✔ NPI 1013532449 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyRadiology · Radiation OncologyAllopathic & Osteopathic Physicians
Taxonomy Code2085R0001X
Licenses✔ Licensed in MA · 1023968✔ Licensed in RI · MD20767✔ Licensed in MI · 4351046090
Definition
A radiologist who deals with the therapeutic applications of radiant energy and its modifiers and the study and management of disease, especially malignant tumors.
537 FAUNCE CORNER RD, Dartmouth, MA 02747
Open in Google Maps ↗

Secondary Practice Locations 4

Location 1593 Eddy St Bsmt ApcProvidence, RI 02903-4923 · Phone (401) 444-8311 · Fax (401) 444-8301
Location 21454 S County Trl Ste 1400East Greenwich, RI 02818-1750 · Phone (844) 222-2881 · Fax (401) 444-8301
Location 3795 Middle StFall River, MA 02721-1798 · Phone (508) 674-5600
Location 4593 Eddy StProvidence, RI 02903-4923 · Phone (401) 444-3600 · Fax (401) 444-3124

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Anthem Blue Cross and Blue Shield.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Derek Alexander Mumaw Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID5597187468
PECOS Enrollment IDI20250710000814
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Saint Anne's Hospital

Acute Care Hospitals · Fall River, MA
3/5 CMS rating
OwnershipProprietary
CMS Certification Number220020
Location795 Middle StreetFall River, MA 02721 · Bristol County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 02747 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$177.36 typical visit price
range $58.86 – $177.36
Typical copayment $44.34 (range $14.71 – $44.34)
Most-billed visit code 99205
Established Patient
$73.22 typical visit price
range $19.11 – $144.84
Typical copayment $18.30 (range $4.77 – $36.21)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 10

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

DR. JAY COOKE EMLEN JR. DPM
Podiatrist (Foot & Ankle Surgery)
537 FAUNCE CORNER RD
DARTMOUTH, MA 02747
Bristol County (774) 202-7935
DAVID J SHIH MD
Internal Medicine (Nephrology)
537 FAUNCE CORNER RD
NORTH DARTMOUTH, MA 02747
Bristol County (508) 996-3991
SLAWOMIR PAJAK M.D.
Internal Medicine (Nephrology)
537 FAUNCE CORNER RD
NORTH DARTMOUTH, MA 02747
Bristol County (508) 996-3991
HAWTHORN KIDNEY CENTER LLC
Clinic/Center (End-Stage Renal Disease (ESRD) Treatment)
537 FAUNCE CORNER RD
DARTMOUTH, MA 02747
Bristol County (508) 994-9692
PAULA WALSH NP
Nurse Practitioner (Gerontology)
537 FAUNCE CORNER RD
DARTMOUTH, MA 02747
Bristol County (508) 996-3991
DR. NATHANIEL MICHAEL COOK M.D.
Internal Medicine (Hematology & Oncology)
537 FAUNCE CORNER RD
DARTMOUTH, MA 02747
Bristol County (508) 961-0710
STEWARD ST. ANNE'S HOSPITAL CORP. REGINAL CANCER CENTER
Pharmacy (Clinic Pharmacy)
537 FAUNCE CORNER RD
NORTH DARTMOUTH, MA 02747
Bristol County (508) 961-0710
MRS. KELLY FERREIRA SILVA MSN, APRN-BC
Nurse Practitioner (Adult Health)
537 FAUNCE CORNER RD
NORTH DARTMOUTH, MA 02747
Bristol County (508) 996-3991

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 Derek Mumaw's NPI number?

The NPI number for Derek Mumaw is 1013532449. It was assigned to this individual provider in the NPPES registry on June 11, 2020.

Where is Derek Mumaw located?

Derek Mumaw practices at 537 Faunce Corner Rd, Dartmouth, MA 02747. The listed phone number is (508) 689-3100.

What is Derek Mumaw's specialty?

The primary specialty registered for this NPI is Radiology, specializing in Radiation Oncology, with taxonomy code 2085R0001X.

Is Derek Mumaw enrolled in Medicare?

Yes. Derek Mumaw is registered in the Medicare PECOS enrollment system.

What insurance does Derek Mumaw accept?

Health plans from Anthem Blue Cross and Blue Shield list Derek Mumaw 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 Derek Mumaw affiliated with any hospitals?

According to CMS data, Derek Mumaw is affiliated with Saint Anne's Hospital.

When was this NPI record last updated?

The NPPES record for Derek Mumaw was last updated on July 27, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 days 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.