WESLEY P FAIRFIELD (MD, ECNU) – Endocrinology, Diabetes & Metabolism Physician, NPI 1437138955

WESLEY P FAIRFIELD (MD, ECNU) is a healthcare provider. based in Lewiston, Maine. specializing in ENDOCRINOLOGY. They hold the professional credentials MD, ECNU. They hold a License No. 015822 (ME). The NPI Number for WESLEY P FAIRFIELD (MD, ECNU) is 1437138955

Main info

Male
31 Years Of Experience
Accepts Medicare Assignment
Name
WESLEY P FAIRFIELD (MD, ECNU)
NPI
1437138955
Phone
(207) 795-7520
Address
287 MAIN ST
Enumeration Date
12 January 2006
Last Update Date
18 March 2019

Doctor Profile

Medical School Name
HARVARD MEDICAL SCHOOL
Secondary Phone
2078578174
Graduation Year
1995 (31 years ago)
PAC ID
3577506989
Group Practice PAC ID
6103737812
Professional Enrollment ID
I20050607000544
Address ID
ME040923188WE40XXXRDXX300
Telehealth
Yes
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience54
Completeness75
Years active:20State licenses:1Digital endpointsOther names

32 ENDOCRINOLOGY in ME

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Provider Addresses for WESLEY P FAIRFIELD (MD, ECNU)

  • 287, Main Street, Lewiston, Androscoggin County, Maine, 04240, United States

    LEWISTON, ME 042407054

    Phone: (207) 795-7520

    Fax: (207) 795-7179

    Type: Mailing

  • State Street, Old Port, Portland, Cumberland County, Maine, 04112, United States

    PORTLAND, ME 041013776

    Phone: (207) 400-8500

    Fax: (207) 400-8508

    Type: Location

NPPES updates history

No NPPES updates recorded for this provider.

Prescription Activity

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Open Payments (CMS)

No Open Payments data available for this provider.

This can happen when there are no reportable CMS Open Payments records.

Medicare Enrollment & Revalidation

Source: CMS public data · Not endorsed by CMS ·

Educational use only—not medical, billing, or legal advice.

PECOS enrollment status

Participating (accepts Medicare assignment)

Enrollment effective: 2005-06-07

PECOS data refreshed: 2026-05-27

Medicare revalidation (CMS due date list)

Due date not assigned yet

CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.

Enrollment records

1

Earliest due date

Not assigned (TBD)

CMS data updated

2026-06-01

Revalidation progress

  1. Medicare enrolled
  2. On CMS revalidation list
  3. Due date assigned
  4. Revalidate in PECOS

CMS enrollment records

Enrollment IDTypeSpecialtyStateDue date
I20050607000544IEndocrinologyMETBD

What to do next

  • No action required while the due date shows TBD.
  • Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
  • Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.

Verify on CMS Revalidation Lookup Tool

Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS

Medicare Utilization (FFS)

Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·

Educational use only—not medical, billing, or legal advice.

Top Medicare procedures (2023) · refreshed 2026-05-27

HCPCSDescriptionServicesBeneficiariesMedicare allowed
99214Established patient office or other outpatient visit, 30-39 minutes5751$0
99204New patient office or other outpatient visit, 45-59 minutes4040$0
99213Established patient office or other outpatient visit, 20-29 minutes3936$0
99451Telephone, internet, or electronic health record assessment and management with written report by consulting physician, at least 5 minutes1111$0
View full utilization report →

Insurance plans in this area (ZIP 04240)

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Provider's Procedures

WESLEY P FAIRFIELD (MD, ECNU) performs procedures in ENDOCRINOLOGY. See the list of HCPCS codes below.
SpecialtyPractice State
HCPCS Code
Description
Service Count
Beneficiary Count
ENDOCRINOLOGYME76942Ultrasonic guidance imaging supervision and interpretation for insertion of needle3333

Group practice members

Group practice members are other physicians who share the same Group Practice PAC ID with this doctor. When doctors form a group practice and register in PECOS as a single entity, they receive a shared identification number. This table lists all providers in the same group practice.
PAC ID: 6103737812View full group profile

Reviews

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Frequently asked questions

Is there an official ID for WESLEY P FAIRFIELD (MD, ECNU) in U.S. healthcare records?
The official identifier for WESLEY P FAIRFIELD (MD, ECNU) is NPI 1437138955.
Is there an active status for WESLEY P FAIRFIELD (MD, ECNU)?
For scheduling context, WESLEY P FAIRFIELD (MD, ECNU) is shown as active in the registry.
What area of care is associated with WESLEY P FAIRFIELD (MD, ECNU)?
WESLEY P FAIRFIELD (MD, ECNU)'s record emphasizes Endocrinology, Diabetes & Metabolism Physician. Clinical services aligned with this taxonomy classification.
Where in Maine is WESLEY P FAIRFIELD (MD, ECNU) registered?
Use Lewiston, Maine as the headline location for WESLEY P FAIRFIELD (MD, ECNU) here.
Can I trust this NPI listing for WESLEY P FAIRFIELD (MD, ECNU)?
The listing is sourced from the national NPI registry. If something looks off, compare with NPPES and the clinic's website.

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