JUSTIN MAHER MD
NPI 1649973843
Student in an Organized Health Care Education/Training Program in Springfield, MA

Active since March 24, 2023PECOS EnrolledAccepts Medicare Assignment
759 CHESTNUT ST, SPRINGFIELD, MA 01199(413) 794-0000 Get Directions Write a Review

NPPES record last updated: March 24, 2023. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Justin Maher Md NPPES

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

JUSTIN MAHER MD (NPI 1649973843) is an individual student in an organized health care education/training program in Springfield, Massachusetts and active in the NPI registry since March 2023. He is enrolled in Medicare PECOS and is a graduate of Other (2023).

NPPES Registry Identity

NPI1649973843
Entity TypeIndividualMale
Primary Taxonomy390200000X
Provider Legal NameJUSTIN MAHERCredential: MD
Location Address759 CHESTNUT STSpringfield, MA 01199-0001
Mailing Address759 Chestnut StSpringfield, MA 01199-0001 · (413) 794-0000
Sole ProprietorNo
Medical School CMSOtherGraduated 2023
Enumeration DateMarch 24, 2023
NPPES CertifiedMarch 24, 2023
✔ NPI 1649973843 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Taxonomy Code390200000X
Definition
An individual who is enrolled in an organized health care education/training program leading to a degree, certification, registration, and/or licensure to provide health care.
759 CHESTNUT ST, Springfield, MA 01199

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

Justin Maher Md 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.

PECOS PAC ID6204282718
PECOS Enrollment IDI20260626001008
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.

Medicare Billing Reassignment

Medicare enrollment records show Justin Maher reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Family Medicine
173 WORCESTER ST
Wellesley, MA 02481
  • Reassigned Medicare billing, Massachusetts enrollment
  • 25 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.

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.

Student in an Organized Health Care Education/Training Program
759 CHESTNUT ST
SPRINGFIELD, MA 01199
Nurse Anesthetist, Certified Registered
759 CHESTNUT ST
SPRINGFIELD, MA 01199
Student in an Organized Health Care Education/Training Program
759 CHESTNUT ST
SPRINGFIELD, MA 01199
Student in an Organized Health Care Education/Training Program
759 CHESTNUT ST
SPRINGFIELD, MA 01199
Clinical Nurse Specialist (Psychiatric/Mental Health)
759 CHESTNUT ST
SPRINGFIELD, MA 01199
Psychiatry & Neurology (Neurology)
759 CHESTNUT ST
SPRINGFIELD, MA 01199
Pharmacy (Community/Retail Pharmacy)
759 CHESTNUT ST, DALY 3 PHARMACY
SPRINGFIELD, MA 01199
Pediatrics
759 CHESTNUT ST
SPRINGFIELD, MA 01199

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 Justin Maher's NPI number?

The NPI number for Justin Maher is 1649973843. It was assigned to this individual provider in the NPPES registry on March 24, 2023.

Where is Justin Maher located?

Justin Maher practices at 759 Chestnut St, Springfield, MA 01199. The listed phone number is (413) 794-0000.

What is Justin Maher's specialty?

The primary specialty registered for this NPI is Student in an Organized Health Care Education/Training Program with taxonomy code 390200000X.

Is Justin Maher enrolled in Medicare?

Yes. Justin Maher 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 Justin Maher's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Justin Maher reassigns Medicare benefits to Wellesley Family Care Associates, PC (Wellesley, 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 Justin Maher's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Justin Maher accept?

Health plans from Anthem Blue Cross and Blue Shield list Justin Maher 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 Justin Maher was last updated on March 24, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.