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MARY SIMPSON PMHNP-BC
NPI 1679443451
Nurse Practitioner - Psychiatric/Mental Health in Roxbury, MA

Active since November 07, 2025PECOS EnrolledAccepts Medicare Assignment
45 DIMOCK ST, ROXBURY, MA 02119(617) 442-8800(617) 442-4088 Get Directions Write a Review

NPPES record last updated: January 13, 2026. Verified against the NPPES registry weekly; last sync: August 23, 2026.

Record update history: Jan 13, 2026, Nov 7, 2025 (2 updates tracked since 2025).

About Mary Simpson Pmhnp-bc NPPES

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

MARY SIMPSON PMHNP-BC (NPI 1679443451) is an individual psychiatric/mental health provider in Roxbury, Massachusetts, licensed in Massachusetts (RN2334490) and active in the NPI registry since November 2025. She is enrolled in Medicare PECOS and is a graduate of Other (2025).

NPPES Registry Identity

NPI1679443451
Entity TypeIndividualFemale
Primary Taxonomy363LP0808X
Provider Legal NameMARY SIMPSONCredential: PMHNP-BC
Location Address45 DIMOCK STRoxbury, MA 02119-1208
Mailing Address55 Dimock StRoxbury, MA 02119-1029 · (617) 442-8800
Phone(617) 442-8800
Fax(617) 442-4088
Sole ProprietorYes
Medical School CMSOtherGraduated 2025
Enumeration DateNovember 7, 2025
Last NPPES UpdateJanuary 13, 20262 updates tracked since enumeration
NPPES CertifiedJanuary 13, 2026
✔ NPI 1679443451 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · Psychiatric/Mental HealthPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LP0808X
License✔ Licensed in MA · RN2334490
45 DIMOCK ST, Roxbury, MA 02119
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Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Mary Simpson Pmhnp-bc 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 ID3577043538
PECOS Enrollment IDI20260218000481
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 02119 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.

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.

SUSANA TEJADA D.M.D.
Dentist
45 DIMOCK ST
ROXBURY, MA 02119
Suffolk County (617) 442-8800
DR. EMILY LAUREN KELLOGG MD
Obstetrics & Gynecology
45 DIMOCK ST
ROXBURY, MA 02119
Suffolk County (617) 442-8800
SOFIA PELLON LCSW
Social Worker
45 DIMOCK ST
ROXBURY, MA 02119
Suffolk County (617) 442-8800
HODA HAMED OD
Optometrist
45 DIMOCK ST
ROXBURY, MA 02119
Suffolk County (617) 442-8800
ASHLEY CORREIA
Social Worker (Clinical)
45 DIMOCK ST
ROXBURY, MA 02119
Suffolk County (617) 442-8800
DARREN CHEW DPT
Physical Therapist
45 DIMOCK ST
ROXBURY, MA 02119
Suffolk County (617) 445-0647
JUDANA SANDRA BENNETT
Nurse Practitioner (Psychiatric/Mental Health)
45 DIMOCK ST
ROXBURY, MA 02119
Suffolk County (617) 816-6505
DR. SELENA MARIA FRANCIS DMD
Dentist
45 DIMOCK ST
ROXBURY, MA 02119
Suffolk County (617) 442-8800

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 Mary Simpson's NPI number?

The NPI number for Mary Simpson is 1679443451. It was assigned to this individual provider in the NPPES registry on November 7, 2025.

Where is Mary Simpson located?

Mary Simpson practices at 45 Dimock St, Roxbury, MA 02119. The listed phone number is (617) 442-8800.

What is Mary Simpson's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Psychiatric/Mental Health, with taxonomy code 363LP0808X.

Is Mary Simpson enrolled in Medicare?

Yes. Mary Simpson 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.

When was this NPI record last updated?

The NPPES record for Mary Simpson was last updated on January 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 months 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.