GUILLERMO ALFREDO MARROQUIN GALVEZ M.D.
NPI 1104104736
Obstetrics & Gynecology in Detroit Lakes, MN

Q: What is Guillermo Marroquin Galvez's NPI number?

The NPI number for Guillermo Marroquin Galvez is 1104104736. It was assigned to this individual provider in the NPPES registry on August 1, 2011. The provider is also known as Guillermo A Marroquin Galvez MD.

Q: What is Guillermo Marroquin Galvez's specialty?

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

Active since August 01, 2011PECOS EnrolledAccepts Medicare Assignment

1027 WASHINGTON AVE, DETROIT LAKES, MN 56501(218) 847-5611 Get Directions Write a Review

NPPES record last updated: July 21, 2022. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Jul 21, 2022, Mar 17, 2018, Jun 28, 2017 and 1 more (4 updates tracked since 2017).

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About Guillermo Alfredo Marroquin Galvez M.d. NPPES

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

GUILLERMO ALFREDO MARROQUIN GALVEZ M.D. (NPI 1104104736) is an individual obstetrics & gynecology provider in Detroit Lakes, Minnesota, licensed in Minnesota (61129) and active in the NPI registry since August 2011. He is enrolled in Medicare PECOS, is affiliated with Essentia Health St Marys - Detroit Lakes, and maintains a secondary practice location in Rock Springs.

NPPES Registry Identity

NPI1104104736

Entity TypeIndividualMale

Primary Taxonomy207V00000X

Provider Legal NameGUILLERMO ALFREDO MARROQUIN GALVEZCredential: M.D.

Location Address1027 WASHINGTON AVEDetroit Lakes, MN 56501-3409

Mailing Address1027 Washington AveDetroit Lakes, MN 56501-3409 · (218) 847-5611

Phone(218) 847-5611

Sole ProprietorNo

Medical School CMSOtherGraduated 2009

Enumeration DateAugust 1, 2011

Last NPPES UpdateJuly 21, 20224 updates tracked since enumeration

✔ NPI 1104104736 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyObstetrics & GynecologyAllopathic & Osteopathic Physicians

Taxonomy Code207V00000X

Licenses✔ Licensed in MN · 61129✔ Licensed in WY · 10110A

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.

1027 WASHINGTON AVE, Detroit Lakes, MN 56501

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Other Names 1

Other Name (5)Guillermo A Marroquin Galvez Md

Secondary Practice Location 1

Location 13000 COLLEGE DRROCK SPRINGS, WY 82901-4202 · Phone (307) 362-1861 · Fax (307) 362-1277

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross Blue Shield of North Dakota, Sanford Health Plan.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Guillermo Alfredo Marroquin Galvez M.d. 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 ID7517273790

PECOS Enrollment IDI20170322001865

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.

Medicare Billing Reassignments

Medicare enrollment records show Guillermo Marroquin Galvez reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

St Mary's Regional Health Center

Same address

Medicare Defined Swing Bed Unit

1027 WASHINGTON AVE
Detroit Lakes, MN 56501

Reassigned Medicare billing, Minnesota enrollment
Medicare enrollment name: St Marys Regional Health Center
254 clinicians in this Medicare group

NPI 1134118250 (218) 847-5611

Innovis Health LLC

1.5 mi

Multi-Specialty

1361 WENNER RD
Detroit Lakes, MN 56501

Reassigned Medicare billing, Minnesota enrollment
87 clinicians in this Medicare group

NPI 1164978599 (218) 846-9981

White Earth Indian Health Center

19 mi

Public Health, Federal

40520 COUNTY HIGHWAY 34
Ogema, MN 56569

Reassigned Medicare billing, Texas enrollment
50 clinicians in this Medicare group

NPI 1093761710 (218) 983-4300

First Care Medical Services

52 mi

Critical Access Hospital

900 HILLIGOSS BLVD SE
Fosston, MN 56542

Reassigned Medicare billing, Minnesota enrollment
91 clinicians in this Medicare group

NPI 1073638565 (218) 435-1133

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213

This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.

19 services15 patients

Hospital Affiliations CMS Care Compare 2

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

Essentia Health St Marys - Detroit Lakes

Acute Care Hospitals · Detroit Lakes, MN

OwnershipVoluntary non-profit - Church

CMS Certification Number240101

Location1027 Washington AveDetroit Lakes, MN 56501 · Becker County

Birthing friendly

Essentia Health

Acute Care Hospitals · Fargo, ND

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number350070

Location3000 32nd Ave SouthFargo, ND 58104 · Cass County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 56501 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.

MELISSA M HOFFMAN

Occupational Therapist