NPPES file of Aug 9, 2026

Stephen John Karman, MD

Internal Medicine Physician · Idabel, OK

Stephen John Karman, MD is an internal medicine physician with a practice address in Idabel, Oklahoma, and NPI 1255393476, issued on Apr 4, 2006. Check the license (Oklahoma 34636, as entered in NPPES) on the Oklahoma Board of Medical Licensure and Supervision; 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
1255393476
Name
Stephen John Karman
Credential
MD
Primary taxonomy
Internal Medicine Physician 207R00000X
License numbers
34636 OK
ME80859 FL
12513 NV
Self-reported in NPPES; status is on the state search
Practice location
1301 E Lincoln RD, Idabel, OK 74745
Phone
(580) 286-7623
Enumerated
Apr 4, 2006
Record last updated
Jul 12, 2019 (not updated in 7 years: call before relying on the address or phone)
Fax
(580) 208-3199
Medicare enrollment
Enrolled (PECOS I20050509000024); 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 1301 E Lincoln RD

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

  1. Kelly BaconCertified Registered Nurse Anesthetist1700844313
  2. Sara Collier, MDSurgery Physician1750556924
  3. Monty Grugan, DOFamily Medicine Physician1316907397
  4. Jordyn Guest, CCC-SLPSpeech-Language Pathologist1588407084
  5. Ashlei JobeAdult Health Nurse Practitioner1679013676
  6. Carol Kerr, M.D.Adult Medicine Physician1225354400

Verify Stephen John Karman in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersOklahoma Board of Medical Licensure and Supervision
    Search for license 34636
    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 Oklahoma license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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76% fewer Medicare Part D claims than the average internal medicine physician in 2024

759 Medicare Part D claims for 332 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 9% of claims. 29 claims were for opioids.

  1. Stephen Karman759
  2. Specialty average3,176

Most prescribed

  1. Pantoprazole Sodium66 claims
  2. Cefdinir43 claims
  3. Atorvastatin Calcium28 claims
  4. Losartan Potassium27 claims
  5. Amlodipine Besylate26 claims
  6. Amoxicillin-Clavulanate Potass25 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: $437.80

3 payments; by number, the most common kind was food and beverage; the largest payer was CVRx, Inc. The 50,334 providers of this specialty with any payment received $1,303.06 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Stephen Karman$437.80
  2. Specialty average$1,303.06

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. Accountable Care Hospitalist GroupWest Palm Beach, FL

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

Stephen John Karman among 1,115 internal medicine physician records in Oklahoma

Stephen John Karman, MD is one of 1,115 internal medicine physician records with a practice address in Oklahoma. 77% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 11% of them.

  • NPI issued2006 · 11% of these records are older, 57% newer
  • In a Medicare fileYes · 77% of these records are
  • In the CMS Doctors and Clinicians fileYes · 59% of these records are
  • Graduated1997 · median 2007 among the 653 with a school on file
  • Record last updated2019 · 56% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Oklahoma practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

5 internal medicine physician records list a practice address in Idabel

They are 5 of the 252 NPPES records with a practice address in Idabel, and 1,115 internal medicine physician records in Oklahoma.

The 8 internal medicine physician records with the nearest ZIP codes

  1. George Freeman, D.O.Idabel, OK 747451417957259
  2. John Hoskins, M.D.Idabel, OK 747451417103854
  3. Ardeshir Nia, MDIdabel, OK 747451902822802
  4. Lisa Ortiz, M.D.Idabel, OK 747451275743684
  5. Nadia Akhtar, M.DDurant, OK 747011851675383
  6. Sabih Alam, MDDurant, OK 747011700346350
  7. Shyla Butt, MDDurant, OK 747011154309086
  8. Sandy George, M.D.Durant, OK 747011871643999

Common questions

What is Stephen John Karman, MD's NPI number?

Stephen John Karman, MD's National Provider Identifier (NPI) is 1255393476, issued on Apr 4, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Stephen John Karman, MD located?

The NPPES record lists a practice address at 1301 E Lincoln RD, Idabel, OK, 74745. Phone: (580) 286-7623. Providers update this record themselves, so call before visiting.

How can I verify Stephen John Karman, MD's license?

NPPES lists Oklahoma license number 34636, as entered by the provider. Search the Oklahoma Board of Medical Licensure and Supervision at https://www.okmedicalboard.org/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Stephen John Karman, MD prescribe under Medicare Part D?

In 2024, Stephen John Karman, MD had 759 Medicare Part D claims for 332 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.