MARISSA ELANA BARON MAHAN MD
NPI 1740860378
Obstetrics & Gynecology in Grand Rapids, MN

Q: What is Marissa Mahan's NPI number?

The NPI number for Marissa Mahan is 1740860378. It was assigned to this individual provider in the NPPES registry on April 8, 2021. The provider is also known as Marissa Elana Baron.

Q: What is Marissa Mahan'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 Marissa Mahan was last updated on May 27, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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 08, 2021PECOS EnrolledAccepts Medicare Assignment

1601 GOLF COURSE RD, GRAND RAPIDS, MN 55744(218) 326-3401 Get Directions Write a Review

NPPES record last updated: May 27, 2025. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: May 27, 2025, Apr 8, 2021 (2 updates tracked since 2021).

On this page

About Marissa Elana Baron Mahan Md NPPES

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

MARISSA ELANA BARON MAHAN MD (NPI 1740860378) is an individual obstetrics & gynecology provider in Grand Rapids, Minnesota, licensed in Minnesota (78816) and active in the NPI registry since April 2021. She is enrolled in Medicare PECOS, is affiliated with Grand Itasca Clinic And Hospital, and is a graduate of University Of Pittsburgh School Of Medicine (2021).

NPPES Registry Identity

NPI1740860378

Entity TypeIndividualFemale

Primary Taxonomy207V00000X

Provider Legal NameMARISSA ELANA BARON MAHANCredential: MD

Location Address1601 GOLF COURSE RDGrand Rapids, MN 55744-8648

Mailing Address1601 Golf Course RdGrand Rapids, MN 55744-8648 · (218) 326-3401

Phone(218) 326-3401

Sole ProprietorNo

Medical School CMSUniversity Of Pittsburgh School Of MedicineGraduated 2021

Enumeration DateApril 8, 2021

Last NPPES UpdateMay 27, 20252 updates tracked since enumeration

NPPES CertifiedMay 27, 2025

✔ NPI 1740860378 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyObstetrics & GynecologyAllopathic & Osteopathic Physicians

Taxonomy Code207V00000X

License✔ Licensed in MN · 78816

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 ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X

1601 GOLF COURSE RD, Grand Rapids, MN 55744

Open in Google Maps ↗

Other Names 1

Former Name (1)Marissa Elana Baron

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

Marissa Elana Baron Mahan 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 ID4688189319

PECOS Enrollment IDI20250711003910

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.

Grand Itasca Clinic And Hospital

Acute Care Hospitals · Grand Rapids, MN

OwnershipVoluntary non-profit - Private

CMS Certification Number240064

Location1601 Golf Course RoadGrand Rapids, MN 55744 · Itasca County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 55744 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

$127.61 typical visit price

range $56.00 – $168.28

Typical copayment $31.90 (range $14.00 – $42.07)

Most-billed visit code 99204

Established Patient

$69.74 typical visit price

range $18.32 – $138.04

Typical copayment $17.43 (range $4.58 – $34.51)

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 20

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

MRS. JESSICA JO DAY NURSE PRACTITIONER

Nurse Practitioner (Family)