William Joseph Cullen, MD
Hospitalist Physician · Biddeford, ME
William Joseph Cullen, MD is a hospitalist physician with a practice address in Biddeford, Maine, and NPI 1679531552, issued on May 2, 2006. Check the license (Maine MD22414, as entered in NPPES) on the Maine Board of Licensure in Medicine; the Medicare figures below come from public CMS files.
- Name
- William Joseph Cullen
- Credential
- MD
- Primary taxonomy
- Hospitalist Physician 208M00000X
- License number
- MD22414 ME
Self-reported in NPPES; status is on the state search - Practice location
- 1 Medical Center Dr, Biddeford, ME 04005
- Phone
- (207) 283-7937
- Enumerated
- May 2, 2006
- Record last updated
- Jul 15, 2025
- Fax
- (207) 283-7018
- Medicaid ID
- 431791201 MD
- Medicare enrollment
- Enrolled (PECOS I20181105003101); accepts Medicare assignment
- Medical or professional school
- Rutgers New Jersey Medical School, 1983
- Entity
- Type 1 · individual
8 nearest hospitalist physician records → All 245 in Maine → Look up another NPI →
Also registered at 1 Medical Center Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Adedeji Ademiluyi, MDHospitalist Physician1467013268
- Brendan Allison, DOHospitalist Physician1679034136
- Kate Anderson, PT, DPTGeriatric Physical Therapist1205495330
- Fernanda Asel, PA-CPhysician Assistant1235080987
- Ryan Babinsky, CRNACertified Registered Nurse Anesthetist1578055687
- Anthony Bambara, M.D.Hospitalist Physician1104205293
Verify William Joseph Cullen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMaine Board of Licensure in Medicine
Search for license MD22414Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
10% more Medicare Part D claims than the average hospitalist physician in 2024
573 Medicare Part D claims for 220 beneficiaries, against an average of 521 among the 21,613 providers of this specialty who prescribed in Part D. Brand-name drugs were 14% of claims.
Most prescribed
- Atorvastatin Calcium55 claims
- Amlodipine Besylate31 claims
- Omeprazole23 claims
- Lactated Ringers18 claims
- Lisinopril18 claims
- Metoprolol Succinate18 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Bills Medicare through one group practice
- MainehealthBiddeford, ME
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
William Joseph Cullen among 245 hospitalist physician records in Maine
William Joseph Cullen, MD is one of 245 hospitalist physician records with a practice address in Maine. 90% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 3% of them.
- NPI issued2006 · 3% of these records are older, 71% newer
- In a Medicare fileYes · 90% of these records are
- In the CMS Doctors and Clinicians fileYes · 84% of these records are
- Graduated1983 · median 2012 among the 206 with a school on file
- Record last updated2025 · 42% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208M00000X and a Maine practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
18 hospitalist physician records list a practice address in Biddeford
They are 18 of the 905 NPPES records with a practice address in Biddeford, and 245 hospitalist physician records in Maine.
All 245 in Maine → Every provider in Biddeford → Hospitalist Physician nationwide →
The 8 hospitalist physician records with the nearest ZIP codes
- Adedeji Ademiluyi, MDBiddeford, ME 040051467013268
- Brendan Allison, DOBiddeford, ME 040051679034136
- Anthony Bambara, M.D.Biddeford, ME 040051104205293
- Frank Green, DOBiddeford, ME 040051316024862
- Mark Grohman, D.O.Biddeford, ME 040051538393541
- Gregory Leach, MDBiddeford, ME 040051538246095
- Bonnie Patrick, MDBiddeford, ME 040051992856249
- Jenna Pearson, D.O.Biddeford, ME 040051528417375
Common questions
What is William Joseph Cullen, MD's NPI number?
William Joseph Cullen, MD's National Provider Identifier (NPI) is 1679531552, issued on May 2, 2006. An NPI identifies a provider in billing; it is not a license.
Where is William Joseph Cullen, MD located?
The NPPES record lists a practice address at 1 Medical Center Dr, Biddeford, ME, 04005. Phone: (207) 283-7937. Providers update this record themselves, so call before visiting.
How can I verify William Joseph Cullen, MD's license?
NPPES lists Maine license number MD22414, as entered by the provider. Search the Maine Board of Licensure in Medicine at https://www.maine.gov/md/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does William Joseph Cullen, MD prescribe under Medicare Part D?
In 2024, William Joseph Cullen, MD had 573 Medicare Part D claims for 220 beneficiaries; the average among hospitalist physician prescribers was 521. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.