Wesley P. Fairfield, MD, ECNU
Endocrinology, Diabetes & Metabolism Physician · Portland, ME
Wesley P. Fairfield, MD, ECNU is an endocrinology, diabetes & metabolism physician with a practice address in Portland, Maine, and NPI 1437138955, issued on Jan 12, 2006. Check the license (Maine 015822, as entered in NPPES) on the Maine Board of Licensure in Medicine; the Medicare figures below come from public CMS files.
- Name
- Wesley P. Fairfield
- Credential
- MD, ECNU
- Primary taxonomy
- Endocrinology, Diabetes & Metabolism Physician 207RE0101X
- License number
- 015822 ME
Self-reported in NPPES; status is on the state search - Practice location
- 144 State St FL 4, Portland, ME 04101
- Phone
- (207) 400-8500
- Enumerated
- Jan 12, 2006
- Record last updated
- Mar 18, 2019 (not updated in 7 years: call before relying on the address or phone)
- Fax
- (207) 400-8508
- Medicare enrollment
- Enrolled (PECOS I20050607000544); accepts Medicare assignment
- Medical or professional school
- Harvard Medical School, 1995
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest endocrinology, diabetes & metabolism physician records → All 28 in Maine → Look up another NPI →
Also registered at 144 State St FL 4
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Mary Sanders, FNP-C, BC-ADM, CDCESNurse Practitioner1205229135
Verify Wesley P. Fairfield in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMaine Board of Licensure in Medicine
Search for license 015822Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
63% fewer Medicare Part D claims than the average endocrinology, diabetes & metabolism physician in 2024
968 Medicare Part D claims for 234 beneficiaries, against an average of 2,630 among the 8,223 providers of this specialty who prescribed in Part D. Brand-name drugs were 34% of claims.
Most prescribed
- Levothyroxine Sodium303 claims
- Methimazole150 claims
- Prednisone45 claims
- Synthroid41 claims
- Teriparatide39 claims
- Alendronate Sodium36 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
- Mercy HospitalPortland, ME
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Wesley P. Fairfield among 28 endocrinology, diabetes & metabolism physician records in Maine
Wesley P. Fairfield, MD, ECNU is one of 28 endocrinology, diabetes & metabolism physician records with a practice address in Maine. 89% 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 0% of them.
- NPI issued2006 · 0% of these records are older, 54% newer
- In a Medicare fileYes · 89% of these records are
- In the CMS Doctors and Clinicians fileYes · 68% of these records are
- Graduated1995 · median 2004 among the 19 with a school on file
- Record last updated2019 · 57% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RE0101X and a Maine practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Endocrinology, Diabetes & Metabolism Physician providers in Maine
There are 28 endocrinology, diabetes & metabolism physician records in Maine.
All 28 in Maine → Every provider in Portland → Endocrinology, Diabetes & Metabolism Physician nationwide →
The 8 endocrinology, diabetes & metabolism physician records with the nearest ZIP codes
- Daniel Griffin, MDPortland, ME 041011831779867
- Daniel Spratt, MDPortland, ME 041021710073366
- Khaled Al Sibai, MDScarborough, ME 040741144715327
- Jayachidambaram Ambalavanan, MDScarborough, ME 040741073173738
- Stephan Babirak, MDScarborough, ME 040741689619884
- S. Thomas Bigos, MDScarborough, ME 040741679502892
- Robert Bing-You, MDScarborough, ME 040741659303261
- Irwin Brodsky, MDScarborough, ME 040741326070905
Common questions
What is Wesley P. Fairfield, MD, ECNU's NPI number?
Wesley P. Fairfield, MD, ECNU's National Provider Identifier (NPI) is 1437138955, issued on Jan 12, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Wesley P. Fairfield, MD, ECNU located?
The NPPES record lists a practice address at 144 State St FL 4, Portland, ME, 04101. Phone: (207) 400-8500. Providers update this record themselves, so call before visiting.
How can I verify Wesley P. Fairfield, MD, ECNU's license?
NPPES lists Maine license number 015822, 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 Wesley P. Fairfield, MD, ECNU prescribe under Medicare Part D?
In 2024, Wesley P. Fairfield, MD, ECNU had 968 Medicare Part D claims for 234 beneficiaries; the average among endocrinology, diabetes & metabolism physician prescribers was 2,630. 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.