Adam Peyton, DO
NPI 1558565598 · Gastroenterology Physician · Allentown, PA
Enrolled with Medicare as Practitioner - Gastroenterology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Adam Peyton, DO is a Gastroenterology Physician provider in Allentown, PA (NPI 1558565598).
Provider details
- NPI number
- 1558565598
- Entity type
- Individual
- Primary specialty
- Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Credential
- DO
- Sex
- Male
- Sole proprietor
- No
- License
- OS012553 (PA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
19 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
1,054 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 149 | $85 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 142 | $16 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 121 | $118 |
| Initial Hospital Care With Straightforward Or Low-Level Medical Decision Making, If Using Time, at Least 55 Minutes99222 | 107 | $123 |
| Measurement of Liver Stiffness91200 | 79 | $28 |
| Infusion Into a Vein for Therapy, Prevention, Or Diagnosis, 1 Hour Or Less |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 30 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Ursodiol | 202 | 43 |
| Azathioprine | 124 | 21 |
| Furosemide | 115 | 32 |
| Rifaximinbrand: Xifaxan | 112 | 18 |
| Spironolactone | 105 | 32 |
| Lactulose | 83 | 26 |
| Omeprazole | 79 | 25 |
| Carvedilol | 67 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$128,993 across 131 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-06-13
- Last updated
- 2021-05-26
- Certified
- 2021-05-26
Frequently asked questions
- What is Adam Peyton's NPI number?
- Adam Peyton's National Provider Identifier (NPI) is 1558565598, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Adam Peyton's specialty?
- Adam Peyton is listed in the NPPES registry with a primary specialty of Gastroenterology Physician (Allopathic & Osteopathic Physicians).
- Where is Adam Peyton located?
- Adam Peyton's practice location on file with NPPES is 1501 N Cedar Crest Blvd, Allentown, PA 18104-2309.
- What is Adam Peyton's phone number?
- The practice phone number listed in the NPPES registry for Adam Peyton is (610) 821-2828.
- Does Adam Peyton accept Medicare?
- Adam Peyton is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Adam Peyton's NPI active?
- Yes — Adam Peyton's NPI (1558565598) is active in the NPPES registry as of the last update on 2021-05-26.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.