Doctor profile · Federal record
Dr. Adam Peyton, DO
Gastroenterology Physician (CMS: Gastroenterology) · Allentown, PA
- NPI 1558565598
- Accepts Medicare
- 24 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
1501 N Cedar Crest Blvd, Suite110
Allentown, PA 181042309
(610) 821-2828
fax (610) 821-7915
Credentials & registration
- NPI registered
- June 2007 — 19 yrs on file
- Profile last updated
- May 26, 2021
- Year of graduation
- 2002 — 24 yrs since
- Specialty taxonomy
- 207RG0100X — NUCC code
- State license (1)
- Pennsylvania #OS012553
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1558565598. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
8,986
Distinct HCPCS
10
Medicare allowed
$289,510
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
J3380 |
Injection, vedolizumab, 1 mg | 6,000 | 14 | $22 | |
J1745 |
Injection, infliximab, excludes biosimilar, 10 mg | 2,189 | 16 | $33 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 129 | 100 | $122 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 126 | 97 | $86 | |
99222 |
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 103 | 98 | $127 | |
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 93 | 58 | $77 | |
43239 |
Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | 67 | 66 | $104 | |
45385 |
Removal of polyps or growths of large bowel using an endoscope with mechanical snare | 56 | 56 | $245 | |
91200 |
Measurement of liver stiffness | 44 | 44 | $29 | |
45380 |
Biopsy of large bowel using a flexible endoscope | 41 | 41 | $83 |
In context: peer comparison
Among 16 peers in Allentown Gastroenterology Physician, average services per provider: 132. This provider delivers 68× the peer median.Open Payments
Industry payments received
All-time total
$128,993
Transactions
131
Manufacturers
10
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Gilead Sciences, INC. | 45 | $51,078.11 | |
| Intercept Pharmaceuticals, INC. | 21 | $26,449.37 | |
| Salix Pharmaceuticals, A Division of Bausch Health US, LLC | 14 | $16,440.34 | |
| Ipsen Biopharmaceuticals, INC | 11 | $12,972.06 | |
| Abbvie INC. | 16 | $11,216.07 | |
| Madrigal Pharmaceuticals | 15 | $10,399.75 | |
| Mallinckrodt Hospital Products INC. | 2 | $163.95 | |
| Phathom Pharmaceuticals, INC. | 1 | $110.01 | |
| Orphalan INC | 4 | $95.80 | |
| Novo Nordisk INC | 2 | $67.77 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
1,098
Patients
250
Total drug cost
$1,002,165
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Ursodiol | Generic | 149 | 30 | $41,035 |
| Furosemide | Generic | 124 | 38 | $597 |
| Spironolactone | Generic | 119 | 36 | $1,970 |
| Azathioprine | Generic | 108 | 18 | $4,595 |
| Lactulose | Generic | 81 | 31 | $4,992 |
| Xifaxan (Rifaximin) | Brand | 80 | 15 | $290,774 |
| Omeprazole | Generic | 78 | 18 | $619 |
| Pantoprazole Sodium | Generic | 59 | 17 | $1,075 |
| Ocaliva (Obeticholic Acid) | Brand | 58 | 0 | $581,431 |
| Prednisone | Generic | 51 | 13 | $715 |
Hospital affiliations
Frequently asked questions
What is Dr. Adam Peyton's medical specialty?
Dr. Adam Peyton practices Gastroenterology Physician in Allentown, PA.
Where does Dr. Adam Peyton practice?
Dr. Adam Peyton practices at 1501 N Cedar Crest Blvd, Allentown, PA 181042309. Office phone: 6108212828.
What is Dr. Adam Peyton's NPI?
Dr. Adam Peyton's National Provider Identifier (NPI) is 1558565598, issued by NPPES.
Does Dr. Adam Peyton accept Medicare assignment?
Yes. Dr. Adam Peyton accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Adam Peyton commonly perform?
Top Medicare-reported procedures in 2023: Injection, vedolizumab, 1 mg (HCPCS J3380); Injection, infliximab, excludes biosimilar, 10 mg (HCPCS J1745); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.