Donald Grewell, DO - Medicare Family Medicine in Billings, MT

Donald Grewell, DO is a medicare enrolled "Family Medicine" physician in Billings, Montana. His current practice location is 2675 Central Ave, Billings, Montana. You can reach out to his office (for appointments etc.) via phone at (406) 238-2500.

Donald Grewell is licensed to practice in Montana (license number 6209) 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 1326150285.

Contact Information

Donald Grewell, DO
2675 Central Ave,
Billings, MT 59102-6686
(406) 238-2500
Not Available



Physician's Profile

Full NameDonald Grewell
GenderMale
SpecialityFamily Medicine
Location2675 Central Ave, Billings, Montana
Accepts Medicare AssignmentsMedicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.
  NPI Data:
  • NPI Number: 1326150285
  • Provider Enumeration Date: 08/31/2006
  • Last Update Date: 02/27/2008
  Medicare PECOS Information:
  • PECOS PAC ID: 0648311449
  • Enrollment ID: I20091230000365

Medical Identifiers

Medical identifiers for Donald Grewell such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1326150285NPI-NPPES
0010999OtherMTMDCD PIN

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207Q00000XFamily Medicine 6209 (Montana)Primary

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. Donald Grewell allows following entities to bill medicare on his behalf.
Entity NameYellowstone City-county Health Department
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1841219698
PECOS PAC ID: 1456259159
Enrollment ID: O20031219000249

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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. Donald Grewell 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
Donald Grewell, DO
Po Box 35100,
Billings, MT 59107-5100

Ph: (406) 238-2500
Donald Grewell, DO
2675 Central Ave,
Billings, MT 59102-6686

Ph: (406) 238-2500

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Family Medicine Doctors in Billings, MT

Michael D. Monday, MD
Family Medicine
Medicare: Not Enrolled in Medicare
Practice Location: 1775 Spring Creek Dr, Billings, MT 59102
Phone: 406-373-3500    Fax: 406-373-3520
Aaron James Audet, M.D.
Family Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 801 N 29th St, Billings, MT 59101
Phone: 406-238-2500    
Angel M. Eads, MD
Family Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 123 S 27th St, Billings, MT 59101
Phone: 406-247-3220    Fax: 406-651-6406
John Konow, MD
Family Medicine
Medicare: Medicare Enrolled
Practice Location: 123 S 27th St, Billings, MT 59101
Phone: 406-247-3350    Fax: 406-247-3389
Cynthia Kay Brewer, D.O.
Family Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 801 N 29th St, Billings, MT 59101
Phone: 406-238-2500    
Dr. Amy Solomon, M.D.
Family Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 123 S 27th St, Billings, MT 59101
Phone: 406-247-3350    Fax: 406-247-3389
Lawrence A. Hemmer, MD
Family Medicine
Medicare: Not Enrolled in Medicare
Practice Location: 2675 Central Ave, Billings, MT 59102
Phone: 406-238-2500    

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