NPPES file of Aug 9, 2026

Cory Callahan, PA-C

Surgical Physician Assistant · Johnson City, TN

Cory Callahan, PA-C is a surgical physician assistant with a practice address in Johnson City, Tennessee, and NPI 1932647112, issued on Feb 7, 2017. Check the license (Tennessee 5089, as entered in NPPES) with the Tennessee board that licenses this profession; 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
1932647112
Name
Cory Callahan
Credential
PA-C
Primary taxonomy
Surgical Physician Assistant 363AS0400X
License numbers
5089 TN
PA1675 ME
Self-reported in NPPES; status is on the state search
Practice location
410 N State OF Franklin RD Ste 140, Johnson City, TN 37604
Phone
(423) 431-2460
Enumerated
Feb 7, 2017
Record last updated
Feb 27, 2024
Medicare enrollment
Enrolled (PECOS I20221110003246); accepts Medicare assignment
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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Also registered at 410 N State OF Franklin RD Ste 140

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

  1. Morgan Edwards, PAPhysician Assistant1811495831
  2. Steven Grijalva, MDOrthopaedic Surgery Physician1215909809
  3. Kenneth Hart, ATCAthletic Trainer1972212926
  4. Kevin Hudson, PAPhysician Assistant1013310291
  5. Daniel Krenk, MDOrthopaedic Trauma Physician1992803001
  6. Jeffrey Marchessault, M.D.Orthopaedic Hand Surgery Physician1134114333

Verify Cory Callahan in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Tennessee board licenses this profession
    Search for license 5089
    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
Find the Tennessee license search

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86% fewer Medicare Part D claims than the average surgical physician assistant in 2024

44 Medicare Part D claims for 28 beneficiaries, against an average of 304 among the 10,174 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims. 20 claims were for opioids.

  1. Cory Callahan44
  2. Specialty average304

Most prescribed

  1. Oxycodone Hcl15 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: $17.75

1 payment: food and beverage; the largest payer was Bioventus LLC. The 7,578 providers of this specialty with any payment received $703.95 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Cory Callahan$17.75
  2. Specialty average$703.95

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. Wellmont Medical Associates IncKingsport, TN

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

Cory Callahan among 297 surgical physician assistant records in Tennessee

Cory Callahan, PA-C is one of 297 surgical physician assistant records with a practice address in Tennessee. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2017, is newer than 54% of them.

  • NPI issued2017 · 54% of these records are older, 41% newer
  • In a Medicare fileYes · 81% of these records are
  • In the CMS Doctors and Clinicians fileYes · 72% of these records are
  • Graduated2016 · median 2018 among the 215 with a school on file
  • Record last updated2024 · 34% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363AS0400X and a Tennessee practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Surgical Physician Assistant providers in Tennessee

There are 297 surgical physician assistant records in Tennessee.

The 8 surgical physician assistant records with the nearest ZIP codes

  1. James Casey, PAJohnson City, TN 376041407804891
  2. David Evans, PACJohnson City, TN 376041902182348
  3. James Haire, PA-CJohnson City, TN 376041073584363
  4. Melanie Harrison, PA-CJohnson City, TN 376041326178138
  5. Alicia Landry, PA-CJohnson City, TN 376041245412576
  6. Richard Maupin, PA-CJohnson City, TN 376041780957738
  7. William Melvin, P.A.Johnson City, TN 376041275517054
  8. Susan Mizelle, PAJohnson City, TN 376041295043602

Common questions

What is Cory Callahan, PA-C's NPI number?

Cory Callahan, PA-C's National Provider Identifier (NPI) is 1932647112, issued on Feb 7, 2017. An NPI identifies a provider in billing; it is not a license.

Where is Cory Callahan, PA-C located?

The NPPES record lists a practice address at 410 N State OF Franklin RD Ste 140, Johnson City, TN, 37604. Phone: (423) 431-2460. Providers update this record themselves, so call before visiting.

How can I verify Cory Callahan, PA-C's license?

NPPES lists Tennessee license number 5089, as entered by the provider. Search the Tennessee board that licenses this profession; the NPPES record confirms identity only.

How much does Cory Callahan, PA-C prescribe under Medicare Part D?

In 2024, Cory Callahan, PA-C had 44 Medicare Part D claims for 28 beneficiaries; the average among surgical physician assistant prescribers was 304. 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.

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.