Dr Craig A Mayr, MD, PHD - Medicare Obstetrics/gynecology in Billings, MT

Dr Craig A Mayr, MD, PHD is a medicare enrolled "Obstetrics & Gynecology" physician in Billings, Montana. He went to Albert Einstein College Of Medicine Of Yeshiva University and graduated in 2009 and has 13 years of diverse experience with area of expertise as Obstetrics/gynecology. He is a member of the group practice Billings Clinic and his current practice location is 801 N 29th St, Billings, Montana. You can reach out to his office (for appointments etc.) via phone at (406) 238-2500.

Dr Craig A Mayr is licensed to practice in California (license number A115060) and he also participates in the medicare program. He accepts medicare assignments (which means he accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance) and his NPI Number is 1437487238.

Contact Information

Dr Craig A Mayr, MD, PHD
801 N 29th St,
Billings, MT 59101
(406) 238-2500
Not Available

Map and Direction




Physician's Profile

Full NameDr Craig A Mayr
GenderMale
SpecialityObstetrics/gynecology
Experience13 Years
Location801 N 29th St, Billings, Montana
Accepts Medicare AssignmentsYes. He accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance.
  Medical Education and Training:
  • Dr Craig A Mayr attended and graduated from Albert Einstein College Of Medicine Of Yeshiva University in 2009
  NPI Data:
  • NPI Number: 1437487238
  • Provider Enumeration Date: 12/07/2009
  • Last Update Date: 02/24/2022
  Medicare PECOS Information:
  • PECOS PAC ID: 5698993004
  • Enrollment ID: I20160726000859

Medical Identifiers

Medical identifiers for Dr Craig A Mayr such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1437487238NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207V00000XObstetrics & Gynecology A115060 (California)Primary

Hospital Affiliation

Hospital NameLocationType
Billings ClinicBillings, MTAcute Care Hospital
Central Montana Medical CenterLewistown, MTCritical Access Hospital
Sheridan Memorial HospitalSheridan, WYAcute Care Hospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Billings Clinic6002993516553

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. Dr Craig A Mayr allows following entities to bill medicare on his behalf.
Entity NameBillings Clinic
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1376598714
PECOS PAC ID: 6002993516
Enrollment ID: O20080430000212

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. Dr Craig A Mayr 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
Dr Craig A Mayr, MD, PHD
Po Box 35100,
Billings, MT 59107-5100

Ph: (406) 238-2500
Dr Craig A Mayr, MD, PHD
801 N 29th St,
Billings, MT 59101

Ph: (406) 238-2500

Reviews and Comments


Obstetrics & Gynecology Doctors in Billings, MT

Elizabeth V Connor, MD
Obstetrics & Gynecology
Medicare: Accepting Medicare Assignments
Practice Location: 801 N 29th St, Billings, MT 59101
Phone: 406-238-5000    
Daniel M Molloy, M.D.
Obstetrics & Gynecology
Medicare: Not Enrolled in Medicare
Practice Location: 2900 12th Ave N, Ste 245w, Billings, MT 59101
Phone: 406-238-6010    Fax: 406-238-6022
James F Metherell, MD
Obstetrics & Gynecology
Medicare: Accepting Medicare Assignments
Practice Location: 801 N 29th St, Billings, MT 59101
Phone: 406-238-2500    
Dana P. Damron, MD
Obstetrics & Gynecology
Medicare: Accepting Medicare Assignments
Practice Location: 801 N 29th St, Billings, MT 59101
Phone: 406-238-2500    
Dr. Dana C. Edwards, M.D.
Obstetrics & Gynecology
Medicare: Accepting Medicare Assignments
Practice Location: 801 N 29th St, Billings, MT 59101
Phone: 406-238-2500    
Alexis N Hokenstad, MD
Obstetrics & Gynecology
Medicare: Accepting Medicare Assignments
Practice Location: 801 N 29th St, Billings, MT 59101
Phone: 406-238-2500    
Amy Hopstad, MD
Obstetrics & Gynecology
Medicare: Accepting Medicare Assignments
Practice Location: 801 N 29th St, Billings, MT 59101
Phone: 406-238-2243    

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.