Dag Holmsen, MD - Medicare Anesthesiology in Waterville, ME

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Dag Holmsen, MD is a medicare enrolled "Anesthesiology" physician in Waterville, Maine. He went to Boston University School Of Medicine and graduated in 1988 and has 38 years of diverse experience with area of expertise as Anesthesiology. He is a member of the group practice Kennebec Anesthesia Associates Pa and his current practice location is 149 North St, Waterville, Maine. You can reach out to his office (for appointments etc.) via phone at (207) 622-1959.

Dag Holmsen is licensed to practice in Maine (license number 014378) 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 1003862046.

Contact Information

Dag Holmsen, MD
149 North St,
Waterville, ME 04901-4974
(207) 622-1959
Not Available

Map and Direction




Physician's Profile

Full NameDag Holmsen
GenderMale
SpecialityAnesthesiology
Experience38 Years
Location149 North St, Waterville, Maine
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:
  • Dag Holmsen attended and graduated from Boston University School Of Medicine in 1988
  NPI Data:
  • NPI Number: 1003862046
  • Provider Enumeration Date: 05/25/2006
  • Last Update Date: 12/18/2013
  Medicare PECOS Information:
  • PECOS PAC ID: 0749265668
  • Enrollment ID: I20050608000821

Medical Identifiers

Medical identifiers for Dag Holmsen such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1003862046NPI-NPPES
G34673OtherMEHARVARD
284140099MedicaidME
3119772OtherMECIGNA
032517OtherMEANTHEM
1041924OtherMEAETNA

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207L00000XAnesthesiology 014378 (Maine)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Maine General Medical CenterAugusta, MEHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Kennebec Anesthesia Associates Pa832502742832

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. Dag Holmsen allows following entities to bill medicare on his behalf.
Entity NameMainegeneral Medical Center
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1669423380
PECOS PAC ID: 1254245715
Enrollment ID: O20031118000718
Entity NameKennebec Anesthesia Associates Pa
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1992789184
PECOS PAC ID: 8325027428
Enrollment ID: O20040714000140

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. Dag Holmsen 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
Dag Holmsen, MD
35 Medical Center Pkwy,
Augusta, ME 04330-8160

Ph: (207) 622-1959		Dag Holmsen, MD
149 North St,
Waterville, ME 04901-4974

Ph: (207) 622-1959

Reviews and Comments


Anesthesiology Doctors in Waterville, ME

Michael J Bushey, M.D.
Anesthesiology
Medicare: Not Enrolled in Medicare
Practice Location: 149 North St, Waterville, ME 04901
Phone: 207-872-1270    
Carol J Swenson, M.D.
Anesthesiology
Medicare: Accepting Medicare Assignments
Practice Location: 149 North St, Waterville, ME 04901
Phone: 207-622-1959    Fax: 207-430-4007
Dr. Jay L Neil Jr., MD
Anesthesiology
Medicare: Accepting Medicare Assignments
Practice Location: 200 Kennedy Memorial Dr, Waterville, ME 04901
Phone: 207-944-8815    

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.