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WESLEY P FAIRFIELD MD, ECNU
NPI 1437138955
Internal Medicine - Endocrinology, Diabetes & Metabolism in Portland, ME

Active since January 12, 2006PECOS EnrolledAccepts Medicare Assignment
144 STATE ST FL 4, PORTLAND, ME 04101(207) 400-8500(207) 400-8508 Get Directions Write a Review

NPPES record last updated: March 18, 2019. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Wesley P Fairfield Md, Ecnu NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

WESLEY P FAIRFIELD MD, ECNU (NPI 1437138955) is an individual endocrinology, diabetes & metabolism provider in Portland, Maine, licensed in Maine (015822) and active in the NPI registry since January 2006. He is enrolled in Medicare PECOS, is affiliated with Northern Light Health, and is a graduate of Harvard Medical School (1995).

NPPES Registry Identity

NPI1437138955
Entity TypeIndividualMale
Primary Taxonomy207RE0101X
Provider Legal NameWESLEY P FAIRFIELDCredential: MD, ECNU
Location Address144 STATE ST FL 4Portland, ME 04101-3776
Mailing Address287 Main StLewiston, ME 04240-7054 · (207) 795-7520 · Fax (207) 795-7179
Phone(207) 400-8500
Fax(207) 400-8508
Sole ProprietorNo
Medical School CMSHarvard Medical SchoolGraduated 1995
Enumeration DateJanuary 12, 2006
Last NPPES UpdateMarch 18, 2019
✔ NPI 1437138955 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Endocrinology, Diabetes & MetabolismAllopathic & Osteopathic Physicians
Taxonomy Code207RE0101X
License✔ Licensed in ME · 015822
Definition
An internist who concentrates on disorders of the internal (endocrine) glands such as the thyroid and adrenal glands. This specialist also deals with disorders such as diabetes, metabolic and nutritional disorders, obesity, pituitary diseases and menstrual and sexual problems.
144 STATE ST FL 4, Portland, ME 04101
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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Wesley P Fairfield Md, Ecnu is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID3577506989
PECOS Enrollment IDI20050607000544
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 4

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204
This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.
35 services35 patients
Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
35 services28 patients
Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
32 services32 patients
New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more 99205
This is a first-time patient visit where a healthcare professional spends 60-74 minutes with you. It involves a comprehensive evaluation, including your medical history and current health condition. They'll also advise on preventive health measures and formulate a treatment plan if needed.
13 services13 patients

Hospital Affiliations CMS Care Compare 5

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Northern Light Health

Acute Care Hospitals · Portland, ME
4/5 CMS rating
OwnershipVoluntary non-profit - Church
CMS Certification Number200008
Location144 State StreetPortland, ME 04101 · Cumberland County
Emergency services Birthing friendly

Maine Medical Center

Acute Care Hospitals · Portland, ME
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number200009
Location22 Bramhall StPortland, ME 04102 · Cumberland County
Emergency services Birthing friendly

Central Maine Medical Center

Acute Care Hospitals · Lewiston, ME
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number200024
Location300 Main StreetLewiston, ME 04240 · Androscoggin County
Emergency services Birthing friendly

Northern Light Eastern Maine Medical Center

Acute Care Hospitals · Bangor, ME
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number200033
Location489 State StreetBangor, ME 04401 · Penobscot County
Emergency services Birthing friendly

Maine General Medical Center

Acute Care Hospitals · Augusta, ME
5/5 CMS rating
OwnershipVoluntary non-profit - Other
CMS Certification Number200039
Location35 Medical Center ParkwayAugusta, ME 04330 · Kennebec County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 04101 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$128.83 typical visit price
range $56.28 – $169.96
Typical copayment $32.20 (range $14.07 – $42.49)
Most-billed visit code 99204
Established Patient
$99.18 typical visit price
range $18.22 – $138.92
Typical copayment $24.79 (range $4.55 – $34.73)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

MRS. MARY C. SANDERS FNP-C, BC-ADM, CDCES
Nurse Practitioner
144 STATE ST FL 4
PORTLAND, ME 04101
Cumberland County (207) 400-8500

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Wesley Fairfield's NPI number?

The NPI number for Wesley Fairfield is 1437138955. It was assigned to this individual provider in the NPPES registry on January 12, 2006.

Where is Wesley Fairfield located?

Wesley Fairfield practices at 144 State St Fl 4, Portland, ME 04101. The listed phone number is (207) 400-8500.

What is Wesley Fairfield's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Endocrinology, Diabetes & Metabolism, with taxonomy code 207RE0101X.

Is Wesley Fairfield enrolled in Medicare?

Yes. Wesley Fairfield is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Is Wesley Fairfield affiliated with any hospitals?

According to CMS data, Wesley Fairfield is affiliated with Northern Light Health, Maine Medical Center, Central Maine Medical Center, Northern Light Eastern Maine Medical Center and Maine General Medical Center.

When was this NPI record last updated?

The NPPES record for Wesley Fairfield was last updated on March 18, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.