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MICHAEL WAYNE GREVENGOED CNP
NPI 1356837579
Nurse Practitioner - Family in Sheldon, IA

Active since July 11, 2018PECOS EnrolledAccepts Medicare Assignment
800 OAK ST, SHELDON, IA 51201(712) 324-5356(712) 324-6515 Get Directions Write a Review

NPPES record last updated: November 20, 2019. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Nov 20, 2019, Apr 1, 2019, Jul 11, 2018 (3 updates tracked since 2018).

About Michael Wayne Grevengoed Cnp NPPES

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

MICHAEL WAYNE GREVENGOED CNP (NPI 1356837579) is an individual family provider in Sheldon, Iowa, licensed in Iowa (A127289) and active in the NPI registry since July 2018. He is enrolled in Medicare PECOS, is affiliated with Hegg Memorial Health Center, and is a graduate of Other (2018).

NPPES Registry Identity

NPI1356837579
Entity TypeIndividualMale
Primary Taxonomy363LF0000X
Provider Legal NameMICHAEL WAYNE GREVENGOEDCredential: CNP
Location Address800 OAK STSheldon, IA 51201-1242
Mailing Address603 6th AveDoon, IA 51235-7726 · (605) 496-1502
Phone(712) 324-5356
Fax(712) 324-6515
Sole ProprietorNo
Medical School CMSOtherGraduated 2018
Enumeration DateJuly 11, 2018
Last NPPES UpdateNovember 20, 20193 updates tracked since enumeration
✔ NPI 1356837579 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · FamilyPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LF0000X
License✔ Licensed in IA · A127289
800 OAK ST, Sheldon, IA 51201
Open in Google Maps ↗

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from NH Healthy Families, Ambetter from Sunflower Health Plan, Ambetter Health and more.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

Michael Wayne Grevengoed Cnp 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 ID1456695329
PECOS Enrollment IDI20181204000268, I20190617001791
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

4

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

Sanford Health Network
Same address
Family Medicine
800 OAK ST
Sheldon, IA 51201
NPI 1831281047 (712) 324-5356
Greater Sioux Community Health Center Inc.
17 mi
Federally Qualified Health Center (FQHC)
1031 13TH AVE NE
Sioux Center, IA 51250
  • Reassigned Medicare billing, Iowa enrollment
  • 18 clinicians in this Medicare group
NPI 1578243762 (712) 722-2981
Hegg Memorial Hospital
22 mi
Family Medicine
1202 21ST AVENUE
Rock Valley, IA 51247
  • Reassigned Medicare billing, Iowa enrollment
  • 90 clinicians in this Medicare group
NPI 1629023429 (712) 476-8100
Northwest Iowa Hospital Corporation
54 mi
Emergency Medical Services
2720 STONE PARK BLVD
Sioux City, IA 51104
  • Reassigned Medicare billing, Iowa enrollment
  • 281 clinicians in this Medicare group
NPI 1215962550 (712) 279-3789

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 3

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.

Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223
Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.
15 services13 patients
Hospital discharge day management, 30 minutes or less 99238
Hospital discharge day management of 30 minutes or less includes finalizing your treatment, discussing your progress, and planning after-care at home. It ensures you're ready to leave the hospital and continue recovery safely.
13 services12 patients
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232
Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.
11 services11 patients

Hospital Affiliations CMS Care Compare 2

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

Hegg Memorial Health Center

Critical Access Hospitals · Rock Valley, IA
OwnershipVoluntary non-profit - Private
CMS Certification Number161336
Location1202 21st AvenueRock Valley, IA 51247 · Sioux County
Emergency services

Sanford Sheldon Medical Center

Critical Access Hospitals · Sheldon, IA
OwnershipVoluntary non-profit - Private
CMS Certification Number161381
Location118 North 7th AvenueSheldon, IA 51201 · Obrien County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 51201 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
$81.84 typical visit price
range $52.96 – $161.40
Typical copayment $20.46 (range $13.24 – $40.35)
Most-billed visit code 99203
Established Patient
$94.05 typical visit price
range $16.91 – $131.98
Typical copayment $23.51 (range $4.22 – $32.99)
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.

DR. SCOTT ALAN LICHTY M.D.
Family Medicine
800 OAK ST
SHELDON, IA 51201
O'Brien County (712) 324-5356
JOSEPHINE MARTINA DUNN JUNIUS MD
Family Medicine
800 OAK ST
SHELDON, IA 51201
O'Brien County (712) 324-5356
MIA I TURGEON APRN
Nurse Practitioner (Family)
800 OAK ST
SHELDON, IA 51201
O'Brien County (712) 324-5356
NICOLE VOIGT
Nurse Practitioner (Family)
800 OAK ST
SHELDON, IA 51201
O'Brien County (712) 324-5356
RACHEL MARIE ACKERMAN NP
Nurse Practitioner (Family)
800 OAK ST
SHELDON, IA 51201
O'Brien County (712) 324-5356
JACK EDWARD MYERS P.A.
Physician Assistant
800 OAK ST
SHELDON, IA 51201
O'Brien County (712) 324-5356
MR. DAVID R MONTNEY CRNA
Nurse Anesthetist, Certified Registered
800 OAK ST
SHELDON, IA 51201
O'Brien County (712) 324-5356
KENDRA CHIANNE BOS PA-C
Physician Assistant
800 OAK ST
SHELDON, IA 51201
O'Brien County (712) 324-5356

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 Michael Grevengoed's NPI number?

The NPI number for Michael Grevengoed is 1356837579. It was assigned to this individual provider in the NPPES registry on July 11, 2018.

Where is Michael Grevengoed located?

Michael Grevengoed practices at 800 Oak St, Sheldon, IA 51201. The listed phone number is (712) 324-5356.

What is Michael Grevengoed's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.

Is Michael Grevengoed enrolled in Medicare?

Yes. Michael Grevengoed 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.

Which organizations bill Medicare for Michael Grevengoed's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Michael Grevengoed reassigns Medicare benefits to 4 organizations: Sanford Health Network (Sheldon, IA), Greater Sioux Community Health Center Inc. (Sioux Center, IA), Hegg Memorial Hospital (Rock Valley, IA) and Northwest Iowa Hospital Corporation (Sioux City, IA). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Michael Grevengoed's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Michael Grevengoed accept?

Health plans from Ambetter Health, Ambetter Health of Delaware, Ambetter from NH Healthy Families, Ambetter from Sunflower Health Plan and HealthPartners and 5 other insurers list Michael Grevengoed as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Michael Grevengoed affiliated with any hospitals?

According to CMS data, Michael Grevengoed is affiliated with Hegg Memorial Health Center and Sanford Sheldon Medical Center.

When was this NPI record last updated?

The NPPES record for Michael Grevengoed was last updated on November 20, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 years 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.