MARY KATHLEEN JENNINGS MD
NPI 1679741839
Pediatrics in Portland, ME

Q: What is Mary Jennings's NPI number?

The NPI number for Mary Jennings is 1679741839. It was assigned to this individual provider in the NPPES registry on February 11, 2008.

Q: What is Mary Jennings'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 Mary Jennings was last updated on March 25, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.

Active since February 11, 2008PECOS Enrolled

84 MARGINAL WAY, SUITE 1000, PORTLAND, ME 04101(207) 774-4092(207) 523-8596 Get Directions Write a Review

NPPES record last updated: March 25, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

On this page

About Mary Kathleen Jennings Md NPPES

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

MARY KATHLEEN JENNINGS MD (NPI 1679741839) is an individual pediatrics provider in Portland, Maine, licensed in Maine (016582) and active in the NPI registry since February 2008. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1679741839

Entity TypeIndividualFemale

Primary Taxonomy208000000X

Provider Legal NameMARY KATHLEEN JENNINGSCredential: MD

Location Address84 MARGINAL WAY, SUITE 1000Portland, ME 04101-1392

Mailing Address100 Gannett Drive, Suite CSouth Portland, ME 04106 · (207) 347-2947 · Fax (207) 874-2317

Phone(207) 774-4092

Fax(207) 523-8596

Sole ProprietorNo

Enumeration DateFebruary 11, 2008

Last NPPES UpdateMarch 25, 2026

NPPES CertifiedMarch 25, 2026

✔ NPI 1679741839 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPediatricsAllopathic & Osteopathic Physicians

Taxonomy Code208000000X

License✔ Licensed in ME · 016582

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.

84 MARGINAL WAY, Portland, ME 04101

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Other Identifiers 1

Medicaid30209656NH

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Mary Kathleen Jennings 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 04101 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

$86.72 typical visit price

range $56.28 – $169.96

Typical copayment $21.68 (range $14.07 – $42.49)

Most-billed visit code 99203

Established Patient

$99.18 typical visit price

range $18.22 – $138.92

Typical copayment $24.79 (range $4.55 – $34.73)

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.

CAROL M VAUGHAN MD

Obstetrics & Gynecology

84 MARGINAL WAY, SUITE 900
PORTLAND, ME 04101

Cumberland County (207) 874-2445

JOHN E ERICKSON MD

Internal Medicine

84 MARGINAL WAY, SUITE 700
PORTLAND, ME 04101

Cumberland County (207) 774-5816

CAROL FRESHLEY FNP

Nurse Practitioner (Family)

84 MARGINAL WAY, SUITE 700
PORTLAND, ME 04101

Cumberland County (207) 774-5816

JAMES C FOSTER MD

Pediatrics

84 MARGINAL WAY, SUITE 1000
PORTLAND, ME 04101

Cumberland County (207) 774-4092

MEAGAN SCHMERSAL NP

Nurse Practitioner (Family)

84 MARGINAL WAY, SUITE 700
PORTLAND, ME 04101

Cumberland County (207) 774-5816

MRS. KATHLEEN S. BROWN ANP

Nurse Practitioner (Family)

84 MARGINAL WAY
PORTLAND, ME 04101

Cumberland County (207) 774-5816

MS. MICHELLE BELYEA PNP

Nurse Practitioner

84 MARGINAL WAY, SUITE 1000
PORTLAND, ME 04101

Cumberland County (207) 774-4092

DOUGLAS R BARR MD

Internal Medicine

84 MARGINAL WAY, SUITE 700
PORTLAND, ME 04101

Cumberland County (207) 774-5816

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 Jennings's NPI number?

The NPI number for Mary Jennings is 1679741839. It was assigned to this individual provider in the NPPES registry on February 11, 2008.

Where is Mary Jennings located?

Mary Jennings practices at 84 Marginal Way Suite 1000, Portland, ME 04101. The listed phone number is (207) 774-4092.

What is Mary Jennings's specialty?

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

Is Mary Jennings enrolled in Medicare?

Yes. Mary Jennings is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Mary Jennings was last updated on March 25, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.