Steven Sonnamaker, MD - Medicare Emergency Medicine in Bismarck, ND

Steven Sonnamaker, MD is a medicare enrolled "Emergency Medicine" physician in Bismarck, North Dakota. His current practice location is 300 N 7th St, Bismarck, North Dakota. You can reach out to his office (for appointments etc.) via phone at (701) 323-6000.

Steven Sonnamaker is licensed to practice in North Dakota (license number 16394) and he also participates in the medicare program. He does not accept medicare assignments directly but he may accept medicare through third-party (refer to Reassignment section below) and may also prescribe medicare part D drugs. His NPI Number is 1003345323.

Contact Information

Steven Sonnamaker, MD
300 N 7th St,
Bismarck, ND 58501-4439
(701) 323-6000
Not Available

Map and Direction




Physician's Profile

Full NameSteven Sonnamaker
GenderMale
SpecialityEmergency Medicine
Location300 N 7th St, Bismarck, North Dakota
Accepts Medicare AssignmentsMedicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.
  NPI Data:
  • NPI Number: 1003345323
  • Provider Enumeration Date: 06/09/2017
  • Last Update Date: 05/03/2024
  Medicare PECOS Information:
  • PECOS PAC ID: 4688942667
  • Enrollment ID: I20200520002068

Medical Identifiers

Medical identifiers for Steven Sonnamaker such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1003345323NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207P00000XEmergency Medicine 16394 (North Dakota)Primary
207P00000XEmergency Medicine 4301112415 (Michigan)Secondary

Medicare Reassignments

Some practitioners may not bill the customers directly but medicare billing happens through clinics / group practice / hospitals where the provider works. Medicare reassignment of benefits is a mechanism by which practitioners allow third parties to bill and receive payment for medicare services performed by them. Steven Sonnamaker allows following entities to bill medicare on his behalf.
Entity NameMercy Hospital Of Devils Lake
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1790751170
PECOS PAC ID: 9537128681
Enrollment ID: O20041005001141
Entity NameMercy Hospital Of Devils Lake
Entity TypePart A Provider - Critical Access Hospital
Entity IdentifiersNPI Number: 1659343093
PECOS PAC ID: 9537128681
Enrollment ID: O20070521000292
Entity NameHealthsource Partners Nd Llc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1235619545
PECOS PAC ID: 1052664091
Enrollment ID: O20181022002173

Medicare Part D Prescriber Enrollment

Any physician or other eligible professional who prescribes Part D drugs must either enroll in the Medicare program or opt out in order to prescribe drugs to their patients with Part D prescription drug benefit plans. Steven Sonnamaker is enrolled with medicare and thus, if eligible, can prescribe medicare part D drugs to patients with medicare part D benefits.

Mailing Address and Practice Location

Mailing AddressPractice Location Address
Steven Sonnamaker, MD
Po Box 5074,
Sioux Falls, SD 57117-5074

Ph: (605) 328-9419
Steven Sonnamaker, MD
300 N 7th St,
Bismarck, ND 58501-4439

Ph: (701) 323-6000

Reviews and Comments


Emergency Medicine Doctors in Bismarck, ND

Amy Jo Doll, MD
Emergency Medicine
Medicare: Medicare Enrolled
Practice Location: 300 N 7th St, Bismarck, ND 58501
Phone: 701-323-6000    
Dr. Paul G Grooms, DO
Emergency Medicine
Medicare: Not Enrolled in Medicare
Practice Location: 300 N 7th St, Bismarck, ND 58501
Phone: 701-323-6000    
Damon L Nelson, MD
Emergency Medicine
Medicare: Medicare Enrolled
Practice Location: 900 E Broadway Ave, Bismarck, ND 58501
Phone: 701-530-7000    
Dr. Jeffrey A Rundio, D.O.
Emergency Medicine
Medicare: Medicare Enrolled
Practice Location: 300 N 7th St, Bismarck, ND 58501
Phone: 701-323-6150    
Alistair G Fyfe, MD
Emergency Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 300 N 7th St, Bismarck, ND 58501
Phone: 701-323-6000    Fax: 701-323-5709
Dr. Kadon K. Hintz, M.D.
Emergency Medicine
Medicare: Medicare Enrolled
Practice Location: 300 N 7th St, Bismarck, ND 58501
Phone: 701-323-6000    

Medicare Program: Medicare is a federal government program which provides health insurance to people who are 65 or older. This program also covers certain younger people with disabilities (who receive Social Security Disability Insurance - SSDI), and people with End-Stage Renal Disease (permanent kidney failure requiring dialysis or a transplant, sometimes called ESRD.

Medicare Assignment: Assignment means that your doctor, provider, or supplier agrees (or is required by law) to accept the Medicare-approved amount as full payment for covered services. Most doctors, providers, and suppliers accept assignment, but you should always check to make sure. Participating providers have signed an agreement to accept assignment for all Medicare-covered services.

NPI Number: The National Provider Identifier (NPI) is a unique identification number for covered health care providers. The NPI must be used in lieu of legacy provider identifiers in the HIPAA standards transactions. Covered health care providers and all health plans and health care clearinghouses must use the NPIs in the administrative and financial transactions adopted under HIPAA (Health Insurance Portability and Accountability Act).

Our Data: Information on www.medicarelist.com is built using data sources published by Centers for Medicare & Medicaid Services (CMS) under Freedom of Information Act (FOIA). The information disclosed on the NPI Registry are FOIA-disclosable and are required to be disclosed under the FOIA and the eFOIA amendments to the FOIA. There is no way to 'opt out' or 'suppress' the NPPES record data for health care providers with active NPIs.