NPPES file of Aug 9, 2026

Nathan Yeasted, M.D.

Gastroenterology Physician · Chambersburg, PA

Nathan Yeasted, M.D. is a gastroenterology physician with a practice address in Chambersburg, Pennsylvania, and NPI 1184825309, issued on May 29, 2007. Check the license (Pennsylvania MD440292, as entered in NPPES) on the Pennsylvania Department of State (PALS); the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1184825309
Name
Nathan Yeasted
Credential
M.D.
Primary taxonomy
Gastroenterology Physician 207RG0100X
License number
MD440292 PA
Self-reported in NPPES; status is on the state search
Practice location
835 5TH Ave, Chambersburg, PA 17201
Phone
(717) 263-0629
Enumerated
May 29, 2007
Record last updated
Nov 1, 2021 (not updated in 5 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20101130000491); accepts Medicare assignment
Medical or professional school
Pennsylvania State University College Of Medicine, 2007
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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8 nearest gastroenterology physician records → All 1,049 in Pennsylvania → Look up another NPI →

Also registered at 835 5TH Ave

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Rebecca Carpenter, CRNPPrimary Care Nurse Practitioner1336720309
  2. Donald Delorenzo, M.D.Internal Medicine Physician1649212671
  3. Mark Dobish, M.D.Gastroenterology Physician1649206947
  4. John Enders, M.D.Gastroenterology Physician1952332371
  5. Jade Etter, PA-CMedical Physician Assistant1083263446
  6. Ryan Gaffney, DOGastroenterology Physician1003136664

Verify Nathan Yeasted in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersPennsylvania Department of State (PALS)
    Search for license MD440292    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Pennsylvania license search

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24% fewer Medicare Part D claims than the average gastroenterology physician in 2024

616 Medicare Part D claims for 202 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D. Brand-name drugs were 16% of claims.

  1. Nathan Yeasted616
  2. Specialty average811

Most prescribed

  1. Omeprazole104 claims
  2. Pantoprazole Sodium102 claims
  3. Esomeprazole Magnesium38 claims
  4. Peg 3350-Electrolyte31 claims
  5. Diphenoxylate-Atropine30 claims
  6. Dicyclomine Hcl29 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Industry payments in 2024: $29.12

2 payments; by number, the most common kind was food and beverage; the largest payer was Janssen Biotech, Inc. The 13,350 providers of this specialty with any payment received $5,015.95 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Nathan Yeasted$29.12
  2. Specialty average$5,015.95

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through one group practice

  1. Wellspan Medical GroupChambersburg, PA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Nathan Yeasted among 1,049 gastroenterology physician records in Pennsylvania

Nathan Yeasted, M.D. is one of 1,049 gastroenterology physician records with a practice address in Pennsylvania. 85% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 53% of them.

  • NPI issued2007 · 53% of these records are older, 38% newer
  • In a Medicare fileYes · 85% of these records are
  • In the CMS Doctors and Clinicians fileYes · 73% of these records are
  • Graduated2007 · median 2003 among the 769 with a school on file
  • Record last updated2021 · 63% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RG0100X and a Pennsylvania practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Gastroenterology Physician providers in Pennsylvania

There are 1,049 gastroenterology physician records in Pennsylvania.

All 1,049 in Pennsylvania → Every provider in Chambersburg → Gastroenterology Physician nationwide →

The 8 gastroenterology physician records with the nearest ZIP codes

  1. Mark Dobish, M.D.Chambersburg, PA 172011649206947
  2. John Enders, M.D.Chambersburg, PA 172011952332371
  3. Ryan Gaffney, DOChambersburg, PA 172011003136664
  4. Wayne Hoover, M.D.Chambersburg, PA 172011790716116
  5. Matthew Nikoloff, M.D.Chambersburg, PA 172011912124256
  6. Fawaz Hakki, M.D.Waynesboro, PA 172681649224551
  7. Oistein Hovde, MDWaynesboro, PA 172681942285713
  8. Jon Matre, MDWaynesboro, PA 172681730145301

Common questions

What is Nathan Yeasted, M.D.'s NPI number?

Nathan Yeasted, M.D.'s National Provider Identifier (NPI) is 1184825309, issued on May 29, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Nathan Yeasted, M.D. located?

The NPPES record lists a practice address at 835 5TH Ave, Chambersburg, PA, 17201. Phone: (717) 263-0629. Providers update this record themselves, so call before visiting.

How can I verify Nathan Yeasted, M.D.'s license?

NPPES lists Pennsylvania license number MD440292, as entered by the provider. Search the Pennsylvania Department of State (PALS) at https://www.pals.pa.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Nathan Yeasted, M.D. prescribe under Medicare Part D?

In 2024, Nathan Yeasted, M.D. had 616 Medicare Part D claims for 202 beneficiaries; the average among gastroenterology physician prescribers was 811. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.