John P. Agent, DO
Internal Medicine Physician · Sallisaw, OK
John P. Agent, DO is an internal medicine physician with a practice address in Sallisaw, Oklahoma, and NPI 1649217191, issued on Jun 1, 2006. Check the license (Oklahoma 3341, as entered in NPPES) on the Oklahoma Board of Medical Licensure and Supervision; the Medicare figures below come from public CMS files.
- Name
- John P. Agent
- Credential
- DO
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License numbers
- 3341 OK
E-1152 AR
Self-reported in NPPES; status is on the state search - Practice location
- 1015 E Choctaw Ave, Sallisaw, OK 74955
- Phone
- (918) 774-0034
- Enumerated
- Jun 1, 2006
- Record last updated
- Dec 20, 2018 (not updated in 8 years: call before relying on the address or phone)
- Fax
- (918) 774-0650
- Medicaid ID
- 145013003 AR
- Medicare enrollment
- Enrolled (PECOS I20150624002224); accepts Medicare assignment
- Medical or professional school
- Oklahoma State University College Of Osteopathic Medicine, 1995
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 1,115 in Oklahoma → Look up another NPI →
Also registered at 1015 E Choctaw Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Chelsea Real, DNP, APRN, FNP-CFamily Nurse Practitioner1497280630
Verify John P. Agent in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersOklahoma Board of Medical Licensure and Supervision
Search for license 3341Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
5.1 times the Medicare Part D claims of the average internal medicine physician in 2024
16,178 Medicare Part D claims for 1,187 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims. 793 claims were for opioids.
Most prescribed
- Atorvastatin Calcium763 claims
- Levothyroxine Sodium608 claims
- Rosuvastatin Calcium482 claims
- Gabapentin478 claims
- Tramadol Hcl421 claims
- Amlodipine Besylate397 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: $135.83
8 payments; by number, the most common kind was food and beverage; the largest payer was Pfizer 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.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through 2 group practices
- Fands Physical Therapy, IncAlma, AR
- Mercy Clinic Fort Smith CommunitiesSallisaw, OK
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
John P. Agent among 1,115 internal medicine physician records in Oklahoma
John P. Agent, DO 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
- Graduated1995 · median 2007 among the 653 with a school on file
- Record last updated2018 · 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).
Internal Medicine Physician providers in Oklahoma
There are 1,115 internal medicine physician records in Oklahoma.
All 1,115 in Oklahoma → Every provider in Sallisaw → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Stephen Bastible, DOSallisaw, OK 749551639745888
- Nancy Merritt, D.O.Poteau, OK 749531992843809
- Paula McQueen, D.O.Stilwell, OK 749601700877586
- Magdalena Santos, M.D.Stilwell, OK 749601285608091
- Judd MillerOkemah, OK 748591235628918
- Tim Smalley, M.D.McLoud, OK 748511457357972
- Junaid Alam, DOAda, OK 748201881222024
- Sally BergerAda, OK 748201659432458
Common questions
What is John P. Agent, DO's NPI number?
John P. Agent, DO's National Provider Identifier (NPI) is 1649217191, issued on Jun 1, 2006. An NPI identifies a provider in billing; it is not a license.
Where is John P. Agent, DO located?
The NPPES record lists a practice address at 1015 E Choctaw Ave, Sallisaw, OK, 74955. Phone: (918) 774-0034. Providers update this record themselves, so call before visiting.
How can I verify John P. Agent, DO's license?
NPPES lists Oklahoma license number 3341, 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 John P. Agent, DO prescribe under Medicare Part D?
In 2024, John P. Agent, DO had 16,178 Medicare Part D claims for 1,187 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.