GREGORY M SIBENALLER DO
NPI 1184367724
Student in an Organized Health Care Education/Training Program in Mason City, IA

Active since April 20, 2022PECOS EnrolledAccepts Medicare Assignment
1010 4TH ST SW STE 305, MASON CITY, IA 50401(641) 428-5700(641) 428-2515 Get Directions Write a Review

NPPES record last updated: July 14, 2025. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: Jul 13, 2022, Apr 20, 2022 (2 updates tracked since 2022).

About Gregory M Sibenaller Do NPPES

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

GREGORY M SIBENALLER DO (NPI 1184367724) is an individual student in an organized health care education/training program in Mason City, Iowa and active in the NPI registry since April 2022. He is enrolled in Medicare PECOS and is a graduate of West Virginia School Of Osteopathic Medicine (2022).

NPPES Registry Identity

NPI1184367724
Entity TypeIndividualMale
Primary Taxonomy390200000X
Provider Legal NameGREGORY M SIBENALLERCredential: DO
Location Address1010 4TH ST SW STE 305Mason City, IA 50401-2801
Mailing Address600 1st St Nw Ste 101Mason City, IA 50401-2932
Fax(641) 428-2515
Sole ProprietorNo
Medical School CMSWest Virginia School Of Osteopathic MedicineGraduated 2022
Enumeration DateApril 20, 2022
Last NPPES UpdateJuly 14, 20252 updates tracked since enumeration
NPPES CertifiedJuly 14, 2025
NPI 1184367724 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Taxonomy Code390200000X
Definition
An individual who is enrolled in an organized health care education/training program leading to a degree, certification, registration, and/or licensure to provide health care.
1010 4TH ST SW STE 305, Mason City, IA 50401

Accepted 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

Gregory M Sibenaller Do 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 ID9739560970
PECOS Enrollment IDI20251013003841
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.

Other Providers at the Same Location NPPES 16

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

Student in an Organized Health Care Education/Training Program
1010 4TH ST SW STE 305
MASON CITY, IA 50401
Student in an Organized Health Care Education/Training Program
1010 4TH ST SW STE 305
MASON CITY, IA 50401
Student in an Organized Health Care Education/Training Program
1010 4TH ST SW STE 305
MASON CITY, IA 50401
Student in an Organized Health Care Education/Training Program
1010 4TH ST SW STE 305
MASON CITY, IA 50401
Student in an Organized Health Care Education/Training Program
1010 4TH ST SW STE 305
MASON CITY, IA 50401
Internal Medicine
1010 4TH ST SW STE 305
MASON CITY, IA 50401
Family Medicine
1010 4TH ST SW STE 305
MASON CITY, IA 50401
Student in an Organized Health Care Education/Training Program
1010 4TH ST SW STE 305
MASON CITY, IA 50401

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 Gregory Sibenaller's NPI number?

The NPI number for Gregory Sibenaller is 1184367724. It was assigned to this individual provider in the NPPES registry on April 20, 2022.

Where is Gregory Sibenaller located?

Gregory Sibenaller practices at 1010 4th St SW Ste 305, Mason City, IA 50401. The listed phone number is (641) 428-5700.

What is Gregory Sibenaller's specialty?

The primary specialty registered for this NPI is Student in an Organized Health Care Education/Training Program with taxonomy code 390200000X.

Is Gregory Sibenaller enrolled in Medicare?

Yes. Gregory Sibenaller 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.

What insurance does Gregory Sibenaller accept?

Health plans from Ambetter Health, Ambetter Health of Delaware, Ambetter from Home State Health, Ambetter from NH Healthy Families and Ambetter from Sunflower Health Plan list Gregory Sibenaller 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.

When was this NPI record last updated?

The NPPES record for Gregory Sibenaller was last updated on July 14, 2025. NPI Profile syncs with the weekly NPPES data releases published by CMS.