Dr William Joseph Cullen, MD - Medicare Internal Medicine in Biddeford, ME

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Dr William Joseph Cullen, MD is a medicare enrolled "Hospitalist" physician in Biddeford, Maine. He went to Rutgers New Jersey Medical School and graduated in 1983 and has 43 years of diverse experience with area of expertise as Internal Medicine. He is a member of the group practice Mainehealth and his current practice location is 1 Medical Center Dr, Biddeford, Maine. You can reach out to his office (for appointments etc.) via phone at (207) 283-7937.

Dr William Joseph Cullen is licensed to practice in Maine (license number MD22414) 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 1679531552.

Contact Information

Dr William Joseph Cullen, MD
1 Medical Center Dr,
Biddeford, ME 04005-9422
(207) 283-7937
(207) 283-7018

Map and Direction




Physician's Profile

Full NameDr William Joseph Cullen
GenderMale
SpecialityInternal Medicine
Experience43 Years
Location1 Medical Center Dr, Biddeford, 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:
  • Dr William Joseph Cullen attended and graduated from Rutgers New Jersey Medical School in 1983
  NPI Data:
  • NPI Number: 1679531552
  • Provider Enumeration Date: 05/02/2006
  • Last Update Date: 07/15/2025
  Medicare PECOS Information:
  • PECOS PAC ID: 8123090107
  • Enrollment ID: I20181105003101

Medical Identifiers

Medical identifiers for Dr William Joseph Cullen such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1679531552NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
208M00000XHospitalist MD22414 (Maine)Primary

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Mainehealth75178605882616

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 William Joseph Cullen allows following entities to bill medicare on his behalf.
Entity NameMainehealth
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1790265502
PECOS PAC ID: 7517860588
Enrollment ID: O20040701000166
Entity NameSouthern Maine Health Care
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1659392819
PECOS PAC ID: 0143208348
Enrollment ID: O20040713001060

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 William Joseph Cullen 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 William Joseph Cullen, MD
1 Medical Center Dr,
Biddeford, ME 04005-9422

Ph: (207) 283-7937		Dr William Joseph Cullen, MD
1 Medical Center Dr,
Biddeford, ME 04005-9422

Ph: (207) 283-7937

Reviews and Comments


Hospitalist Doctors in Biddeford, ME

Brandei K Wingard, M.D.
Hospitalist
Medicare: Accepting Medicare Assignments
Practice Location: 9 Healthcare Drive, Suite 105, Biddeford, ME 04005
Phone: 207-282-3666    Fax: 207-282-4281
Miriam Savatteri, MD
Hospitalist
Medicare: Accepting Medicare Assignments
Practice Location: 1 Medical Center Dr, Biddeford, ME 04005
Phone: 207-283-7000    Fax: 207-283-7850
Dr. Anna Mcelroy Simons, DO
Hospitalist
Medicare: Medicare Enrolled
Practice Location: 1 Medical Center Dr, Biddeford, ME 04005
Phone: 207-283-7937    Fax: 207-283-7018
Frank T Green, DO
Hospitalist
Medicare: Accepting Medicare Assignments
Practice Location: 1 Medical Center Dr, Biddeford, ME 04005
Phone: 207-283-7000    Fax: 207-283-7845
Dr. Christopher Gordon Roy, MD
Hospitalist
Medicare: Accepting Medicare Assignments
Practice Location: 9 Healthcare Dr Ste 209, Biddeford, ME 04005
Phone: 207-283-6408    Fax: 207-294-3558
Gregory A Leach, MD
Hospitalist
Medicare: Not Enrolled in Medicare
Practice Location: 1 Medical Center Dr, Biddeford, ME 04005
Phone: 207-283-7402    Fax: 207-283-7850
Mark M Grohman, D.O.
Hospitalist
Medicare: Accepting Medicare Assignments
Practice Location: One Medical Center Drive, Biddeford, ME 04005
Phone: 207-283-7000    Fax: 207-283-7275

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.