DR. JOAN HELENE MATHEWS MD - NPI 1942294855 - Pediatrics in Cambridge, MA

Q: What is Joan Mathews's NPI number?

The NPI number for Joan Mathews is 1942294855. It was assigned to this individual provider in the NPPES registry on September 7, 2005.

Q: What is Joan Mathews's specialty?

The primary specialty registered for this NPI is Pediatrics with taxonomy code 208000000X.

Q: When was this NPI record last updated?

The NPPES record for Joan Mathews was last updated on July 13, 2026. NPI Profile syncs with the weekly NPPES data releases published by CMS.

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About Dr. Joan Helene Mathews Md NPPES

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

DR. JOAN HELENE MATHEWS MD (NPI 1942294855) is an individual pediatrics provider in Cambridge, Massachusetts, licensed in Massachusetts (41038) and active in the NPI registry since September 2005. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1942294855

Entity TypeIndividualFemale

Primary Taxonomy208000000X

Provider Legal NameDR. JOAN HELENE MATHEWSCredential: MD

Location Address777 CONCORD AVE, STE 105Cambridge, MA 02138-1056

Mailing Address777 Concord Ave, Ste 105Cambridge, MA 02138-1056 · (617) 876-6800 · Fax (617) 876-5713

Phone(617) 876-6800

Fax(617) 876-5713

Sole ProprietorNo

Enumeration DateSeptember 7, 2005

Last NPPES UpdateJuly 13, 2026

✔ NPI 1942294855 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPediatricsAllopathic & Osteopathic Physicians

Taxonomy Code208000000X

License✔ Licensed in MA · 41038

Definition

A pediatrician is concerned with the physical, emotional and social health of children from birth to young adulthood. Care encompasses a broad spectrum of health services ranging from preventive healthcare to the diagnosis and treatment of acute and chronic diseases. A pediatrician deals with biological, social and environmental influences on the developing child, and with the impact of disease and dysfunction on development.

777 CONCORD AVE, Cambridge, MA 02138

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Other Identifiers 1

Medicaid0131032MA

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. Joan Helene Mathews Md 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 02138 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

$97.64 typical visit price

range $63.72 – $189.86

Typical copayment $24.41 (range $15.93 – $47.46)

Most-billed visit code 99203

Established Patient

$111.18 typical visit price

range $21.07 – $155.29

Typical copayment $27.79 (range $5.26 – $38.82)

Most-billed visit code 99214

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.