ADAM CHRISTOPHER WINTERS MD
NPI 1700270352
Internal Medicine - Gastroenterology in Portland, ME

Active since March 22, 2015PECOS EnrolledAccepts Medicare Assignment
48 GILMAN ST, PORTLAND, ME 04102(207) 661-4400(207) 810-2363 Get Directions Write a Review

NPPES record last updated: January 5, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Jan 5, 2026, Mar 31, 2025, Nov 2, 2021 and 2 more (5 updates tracked since 2016).

About Adam Christopher Winters Md NPPES

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

ADAM CHRISTOPHER WINTERS MD (NPI 1700270352) is an individual gastroenterology provider in Portland, Maine, licensed in Maine (MD29191) and active in the NPI registry since March 2015. He is enrolled in Medicare PECOS, is affiliated with Maine Medical Center, and maintains 3 additional practice locations.

NPPES Registry Identity

NPI1700270352
Entity TypeIndividualMale
Primary Taxonomy207RG0100X
Provider Legal NameADAM CHRISTOPHER WINTERSCredential: MD
Location Address48 GILMAN STPortland, ME 04102-3004
Mailing Address48 Gilman StPortland, ME 04102-3004 · (207) 661-4400 · Fax (207) 810-2363
Fax(207) 810-2363
Sole ProprietorNo
Medical School CMSOtherGraduated 2015
Enumeration DateMarch 22, 2015
Last NPPES UpdateJanuary 5, 20265 updates tracked since enumeration
NPPES CertifiedJanuary 5, 2026
NPI 1700270352 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 4

Primary SpecialtyInternal Medicine · GastroenterologyAllopathic & Osteopathic Physicians
Taxonomy Code207RG0100X
License Licensed in ME · MD29191
Definition
An internist who specializes in diagnosis and treatment of diseases of the digestive organs including the stomach, bowels, liver and gallbladder. This specialist treats conditions such as abdominal pain, ulcers, diarrhea, cancer and jaundice and performs complex diagnostic and therapeutic procedures using endoscopes to visualize internal organs.
Also ListedInternal MedicineTaxonomy 207R00000X · License MD29191 (ME)
Also ListedInternal Medicine · HepatologyTaxonomy 207RI0008X · License MD29191 (ME), 286887 (NY)
Also ListedInternal Medicine · Transplant HepatologyTaxonomy 207RT0003X · License MD29191 (ME)
48 GILMAN ST, Portland, ME 04102

Secondary Practice Locations 3

Location 122 Bramhall StPortland, ME 04102-3134 · Phone (207) 662-2273 · Fax (207) 662-6038
Location 29 Healthcare Dr Ste 202Biddeford, ME 04005-9450 · Phone (207) 283-1427 · Fax (207) 294-3554
Location 31 Gustave L Levy PlNew York, NY 10029-6504 · Phone (212) 659-8551

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

Adam Christopher Winters Md 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 ID4385021989
PECOS Enrollment IDI20220520001343, I20250508001499
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 6

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.

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232
Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.
145 services42 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.
43 services33 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.
27 services25 patients
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 99222
Initial hospital inpatient care is a service where a healthcare provider spends about 50 minutes per day overseeing your care while you're admitted in the hospital. This includes reviewing your health status, planning your treatment, and ensuring your safety and comfort.
23 services23 patients
Emergency department visit with straightforward medical decision making 99282
An emergency department visit for a mild to moderate issue is when you seek immediate medical attention for a non-life-threatening condition. This could include minor injuries, moderate pain, or illnesses like the flu. During the visit, healthcare professionals assess your condition, provide treatment, and may recommend follow-up care.
14 services11 patients
Insertion of needle into vein for collection of blood sample 36415
This procedure involves inserting a small needle into a vein, typically in your arm, to collect a blood sample. It's a quick and simple process to help diagnose or monitor health conditions. You may feel a small prick, but discomfort is minimal.
11 services11 patients

Hospital Affiliations CMS Care Compare 4

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

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

Mid Coast Hospital

Acute Care Hospitals · Brunswick, ME
2/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number200021
Location123 Medical Center DriveBrunswick, ME 04011 · Cumberland 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

Memorial Hospital, The

Critical Access Hospitals · North Conway, NH
2/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number301307
Location3073 White Mountain HighwayNorth Conway, NH 03860 · Carroll County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 04102 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.

Referred Medical Equipment & Supplies CMS DME claims 2

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Tacrolimus, immediate release, oral, 1 mg J7507
Treatment-Treatment - Miscellaneous · category RX029N
6 suppliers17 claims1,938 services$0.26 avg. paid by Medicare
Pharmacy supply fee for oral anti-cancer, oral anti-emetic or immunosuppressive drug(s); for the first prescription in a 30-day period Q0511
Treatment-Chemotherapy · category RH012N
5 suppliers13 claims13 services$18.86 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Other Providers at the Same Location NPPES 5

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

Social Worker (Clinical)
48 GILMAN ST
PORTLAND, ME 04102
Nurse Practitioner (Psychiatric/Mental Health)
48 GILMAN ST
PORTLAND, ME 04102
Pharmacist
48 GILMAN ST
PORTLAND, ME 04102
Nurse Practitioner (Family)
48 GILMAN ST
PORTLAND, ME 04102
Dietitian, Registered
48 GILMAN ST
PORTLAND, ME 04102

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 Adam Winters's NPI number?

The NPI number for Adam Winters is 1700270352. It was assigned to this individual provider in the NPPES registry on March 22, 2015.

Where is Adam Winters located?

Adam Winters practices at 48 Gilman St, Portland, ME 04102. The listed phone number is (207) 661-4400.

What is Adam Winters's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.

Is Adam Winters enrolled in Medicare?

Yes. Adam Winters 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 Adam Winters affiliated with any hospitals?

According to CMS data, Adam Winters is affiliated with Maine Medical Center, Mid Coast Hospital, Maine General Medical Center and Memorial Hospital, The.

When was this NPI record last updated?

The NPPES record for Adam Winters was last updated on January 5, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 months 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.