MEGAN MCGUINNESS MASTEN MD
NPI 1730642463
Obstetrics & Gynecology in Portland, ME

Q: What is Megan Masten's NPI number?

The NPI number for Megan Masten is 1730642463. It was assigned to this individual provider in the NPPES registry on April 10, 2019.

Q: What is Megan Masten's specialty?

The primary specialty registered for this NPI is Obstetrics & Gynecology with taxonomy code 207V00000X.

Q: When was this NPI record last updated?

The NPPES record for Megan Masten was last updated on July 30, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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 April 10, 2019PECOS EnrolledAccepts Medicare Assignment

887 CONGRESS ST STE 200, PORTLAND, ME 04102(207) 771-5549(207) 771-7834 Get Directions Write a Review

NPPES record last updated: July 30, 2025. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Jul 25, 2023, Apr 4, 2023, Feb 23, 2023 and 1 more (4 updates tracked since 2019).

On this page

About Megan Mcguinness Masten Md NPPES

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

MEGAN MCGUINNESS MASTEN MD (NPI 1730642463) is an individual obstetrics & gynecology provider in Portland, Maine, licensed in Maine (MD29683) and active in the NPI registry since April 2019. She is enrolled in Medicare PECOS, is affiliated with Maine Medical Center, and maintains 3 additional practice locations.

NPPES Registry Identity

NPI1730642463

Entity TypeIndividualFemale

Primary Taxonomy207V00000X

Provider Legal NameMEGAN MCGUINNESS MASTENCredential: MD

Location Address887 CONGRESS ST STE 200Portland, ME 04102-3166

Mailing Address887 Congress St Ste 200Portland, ME 04102-3166 · (207) 771-5549 · Fax (207) 771-7834

Phone(207) 771-5549

Fax(207) 771-7834

Sole ProprietorNo

Medical School CMSOtherGraduated 2019

Enumeration DateApril 10, 2019

Last NPPES UpdateJuly 30, 20254 updates tracked since enumeration

NPPES CertifiedJuly 30, 2025

✔ NPI 1730642463 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyObstetrics & GynecologyAllopathic & Osteopathic Physicians

Taxonomy Code207V00000X

Licenses✔ Licensed in ME · MD29683✔ Licensed in CO · DR.0070498

Definition

An obstetrician/gynecologist possesses special knowledge, skills and professional capability in the medical and surgical care of the female reproductive system and associated disorders. This physician serves as a consultant to other physicians and as a primary physician for women.

Also ListedObstetrics & Gynecology · Complex Family PlanningTaxonomy 207VC0300X · License MD29683 (ME)

887 CONGRESS ST STE 200, Portland, ME 04102

Open in Google Maps ↗

Secondary Practice Locations 3

Location 11635 Aurora CtAurora, CO 80045-2541 · Phone (720) 848-0000

Location 222 Bramhall StPortland, ME 04102-3134 · Phone (207) 662-5400 · Fax (207) 662-6219

Location 3777 Bannock StDenver, CO 80204-4597 · Phone (303) 436-4949 · Fax (303) 602-9150

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Anthem Blue Cross and Blue Shield, Harvard Pilgrim Health Care, Medica.Insurance ›

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

Megan Mcguinness Masten 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 ID2365776341

PECOS Enrollment IDI20250807000555

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.

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Maine Medical Center

Acute Care Hospitals · Portland, ME

5/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number200009

Location22 Bramhall StPortland, ME 04102 · Cumberland County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 04102 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

$128.83 typical visit price

range $56.28 – $169.96

Typical copayment $32.20 (range $14.07 – $42.49)

Most-billed visit code 99204

Established Patient

$70.13 typical visit price

range $18.22 – $138.92

Typical copayment $17.53 (range $4.55 – $34.73)

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 13

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

SHANNON L CARR MD

Obstetrics & Gynecology