Doctor profile · Federal record
Dr. Adam Winters, MD
Gastroenterology Physician (CMS: Gastroenterology) · Transplant Hepatology Physician · Hepatology Physician · Internal Medicine Physician · Hepatology Physician · Portland, ME
- NPI 1700270352
- Accepts Medicare
- 11 yrs in practice
- Licensed in 2 states
- Male
- Group practice
- No sanctions
Practice & contact
Operates at 4 locations .
- Primary practice
-
48 Gilman St
Portland, ME 041023004
(207) 661-4400
fax (207) 810-2363 - Additional location
-
22 Bramhall St
Portland, ME 041023134
(207) 662-2273
fax (207) 662-6038 - Additional location
-
9 Healthcare Dr Ste 202
Biddeford, ME 040059450
(207) 283-1427
fax (207) 294-3554 - Additional location
-
1 Gustave L Levy Pl
New York, NY 100296504
(212) 659-8551
Show 1 more location
Credentials & registration
- NPI registered
- March 2015 — 11 yrs on file
- Profile last updated
- January 5, 2026
- Year of graduation
- 2015 — 11 yrs since
- Specialty taxonomy
- 207RG0100X — NUCC code
- State licenses (2)
- Maine #MD29191 · New York #286887
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1700270352. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
340
Distinct HCPCS
6
Medicare allowed
$32,696
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 234 | 56 | $87 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 43 | 26 | $145 | |
99238 |
Hospital discharge day management, 30 minutes or less | 20 | 16 | $91 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 17 | 16 | $99 | |
99222 |
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 14 | 14 | $141 | |
99282 |
Emergency department visit with straightforward medical decision making | 12 | 11 | $45 |
In context: peer comparison
Among 14 peers in Portland Gastroenterology Physician, average services per provider: 56. This provider delivers 6.1× the peer median.Open Payments
Industry payments received
All-time total
$122
Transactions
1
Manufacturers
1
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Mallinckrodt Hospital Products INC. | 1 | $122.43 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
641
Patients
86
Total drug cost
$145,798
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Tacrolimus | Generic | 231 | 45 | $45,890 |
| Mycophenolate Mofetil | Generic | 98 | 23 | $11,748 |
| Ursodiol | Generic | 75 | 18 | $13,484 |
| Entecavir | Generic | 30 | 0 | $11,834 |
| Pantoprazole Sodium | Generic | 29 | 0 | $286 |
| Cyclosporine Modified (Cyclosporine, Modified) | Brand | 27 | 0 | $5,506 |
| Amlodipine Besylate | Generic | 25 | 0 | $188 |
| Prednisone | Generic | 22 | 0 | $254 |
| Carvedilol | Generic | 17 | 0 | $82 |
| Furosemide | Generic | 17 | 0 | $74 |
Hospital affiliations
Frequently asked questions
What is Dr. Adam Winters's medical specialty?
Dr. Adam Winters practices Gastroenterology Physician in Portland, ME.
Where does Dr. Adam Winters practice?
Dr. Adam Winters practices at 48 Gilman St, Portland, ME 041023004. Office phone: 2076614400.
What is Dr. Adam Winters's NPI?
Dr. Adam Winters's National Provider Identifier (NPI) is 1700270352, issued by NPPES.
Does Dr. Adam Winters accept Medicare assignment?
Yes. Dr. Adam Winters accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Adam Winters commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Established patient office or other outpatient visit (HCPCS 99214); Hospital discharge day management (HCPCS 99238). Source: CMS Medicare Physician & Other Practitioners file.