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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. CHRISTOPHER MCMAHAN DO
NPI 1861244121
Radiology - Diagnostic Radiology in Worcester, MA

Active since April 02, 2024PECOS Enrolled
55 LAKE AVE N, WORCESTER, MA 01655(478) 751-0367 Get Directions Write a Review

NPPES record last updated: July 3, 2026. Verified against the NPPES registry weekly; last sync: August 23, 2026.

About Dr. Christopher Mcmahan Do NPPES

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

DR. CHRISTOPHER MCMAHAN DO (NPI 1861244121) is an individual diagnostic radiology provider in Worcester, Massachusetts, licensed in Massachusetts (3019424) and active in the NPI registry since April 2024. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1861244121
Entity TypeIndividualMale
Primary Taxonomy2085R0202X
Provider Legal NameDR. CHRISTOPHER MCMAHANCredential: DO
Location Address55 LAKE AVE NWorcester, MA 01655-0002
Mailing Address55 Lake Ave NWorcester, MA 01655-0002
Phone(478) 751-0367
Sole ProprietorYes
Enumeration DateApril 2, 2024
Last NPPES UpdateJuly 3, 2026
NPPES CertifiedJuly 3, 2026
✔ NPI 1861244121 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyRadiology · Diagnostic RadiologyAllopathic & Osteopathic Physicians
Taxonomy Code2085R0202X
License✔ Licensed in MA · 3019424
Definition
A radiologist who utilizes x-ray, radionuclides, ultrasound and electromagnetic radiation to diagnose and treat disease.
Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X
55 LAKE AVE N, Worcester, MA 01655
Open in Google Maps ↗

Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

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. Christopher Mcmahan Do is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 01655 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
$90.70 typical visit price
range $58.86 – $177.36
Typical copayment $22.67 (range $14.71 – $44.34)
Most-billed visit code 99203
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 20

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

HILLARY R. IRONS MD
Emergency Medicine
55 LAKE AVE N
WORCESTER, MA 01655
Worcester County (508) 421-1400
MS. EILEEN A. DUHAMEL NP
Nurse Practitioner
55 LAKE AVE N, DEPARTMENT OF RADIOLOGY
WORCESTER, MA 01655
Worcester County (508) 334-2710
EWA HRYNISZYN CRNA
Nurse Anesthetist, Certified Registered
55 LAKE AVE N, DEPARTMENT OF ANESTHESIOLOGY
WORCESTER, MA 01655
Worcester County (508) 334-3271
HELEN COPSEY PA-C
Physician Assistant
55 LAKE AVE N
WORCESTER, MA 01655
Worcester County (508) 334-8585
DR. ADEPEJU GBADEBO CHAMPION M.D.
Internal Medicine
55 LAKE AVE N
WORCESTER, MA 01655
Worcester County (508) 334-2731
SOWMYA KORAPATI
Internal Medicine (Hematology & Oncology)
55 LAKE AVE N
WORCESTER, MA 01655
Worcester County (508) 334-3550
LAYLA FAKHRZADEH M.D.
Anesthesiology
55 LAKE AVE N, ANESTHESIOLOGY
WORCESTER, MA 01655
Worcester County (508) 334-3271
YOONYIE CHO M.D.
Anesthesiology
55 LAKE AVE N
WORCESTER, MA 01655
Worcester County (508) 334-1000

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 Christopher Mcmahan's NPI number?

The NPI number for Christopher Mcmahan is 1861244121. It was assigned to this individual provider in the NPPES registry on April 2, 2024.

Where is Christopher Mcmahan located?

Christopher Mcmahan practices at 55 Lake Ave N, Worcester, MA 01655. The listed phone number is (478) 751-0367.

What is Christopher Mcmahan's specialty?

The primary specialty registered for this NPI is Radiology, specializing in Diagnostic Radiology, with taxonomy code 2085R0202X.

Is Christopher Mcmahan enrolled in Medicare?

Yes. Christopher Mcmahan is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Christopher Mcmahan was last updated on July 3, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 55 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.