Thomas J Ryan, DO - Medicare Internal Medicine in Houlton, ME

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Thomas J Ryan, DO is a medicare enrolled "Hospitalist" physician in Houlton, Maine. He went to University Of New England, College Of Osteo Medicine and graduated in 2006 and has 20 years of diverse experience with area of expertise as Internal Medicine. He is a member of the group practice Millinocket Regional Hospital, Down East Community Hospital, Penobscot Valley Hospital and his current practice location is 20 Hartford St, Houlton, Maine. You can reach out to his office (for appointments etc.) via phone at (207) 532-2900.

Thomas J Ryan is licensed to practice in Maine (license number 2076) 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 1528239951.

Contact Information

Thomas J Ryan, DO
20 Hartford St,
Houlton, ME 04730-1891
(207) 532-2900
(207) 532-5974

Map and Direction




Physician's Profile

Full NameThomas J Ryan
GenderMale
SpecialityInternal Medicine
Experience20 Years
Location20 Hartford St, Houlton, 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:
  • Thomas J Ryan attended and graduated from University Of New England, College Of Osteo Medicine in 2006
  NPI Data:
  • NPI Number: 1528239951
  • Provider Enumeration Date: 03/13/2008
  • Last Update Date: 08/25/2011
  Medicare PECOS Information:
  • PECOS PAC ID: 1052464559
  • Enrollment ID: I20090731000128

Medical Identifiers

Medical identifiers for Thomas J Ryan such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1528239951NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207R00000XInternal Medicine 228303 (Massachusetts)Secondary
208M00000XHospitalist 2076 (Maine)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Down East Community HospitalMachias, MEHospital
Penobscot Valley HospitalLincoln, MEHospital
Millinocket Regional HospitalMillinocket, MEHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Millinocket Regional Hospital377949121218
Down East Community Hospital670985819415
Penobscot Valley Hospital842694288910

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. Thomas J Ryan allows following entities to bill medicare on his behalf.
Entity NamePenobscot Valley Hospital
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1093716086
PECOS PAC ID: 8426942889
Enrollment ID: O20040209000635
Entity NameNorthern Maine Medical Center
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1568465144
PECOS PAC ID: 8426952987
Enrollment ID: O20040511000177
Entity NameMillinocket Regional Hospital
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1275646150
PECOS PAC ID: 3779491212
Enrollment ID: O20040523000014
Entity NameMainehealth
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1790265502
PECOS PAC ID: 7517860588
Enrollment ID: O20040701000166
Entity NameDown East Community Hospital
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1689670242
PECOS PAC ID: 6709858194
Enrollment ID: O20040809000314
Entity NameHoulton Regional Hospital
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1386804268
PECOS PAC ID: 0042127946
Enrollment ID: O20041123000733
Entity NameFranklin Memorial Hospital
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1558305847
PECOS PAC ID: 4385615145
Enrollment ID: O20090805000364

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. Thomas J Ryan 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
Thomas J Ryan, DO
111 Franklin Health Commons,
Farmington, ME 04938

Ph: (207) 778-6031		Thomas J Ryan, DO
20 Hartford St,
Houlton, ME 04730-1891

Ph: (207) 532-2900

Reviews and Comments


Hospitalist Doctors in Houlton, ME


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.