John Mark Tohlen, M.D.
Family Medicine Physician · Corinth, TX
John Mark Tohlen, M.D. is a family medicine physician with a practice address in Corinth, Texas, and NPI 1598298077, issued on Apr 11, 2017. Check the license (Texas S4244, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- John Mark Tohlen
- Credential
- M.D.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- S4244 TX
Self-reported in NPPES; status is on the state search - Practice location
- 3001 FM 2181, Corinth, TX 76210
- Phone
- (940) 497-4900
- Enumerated
- Apr 11, 2017
- Record last updated
- May 19, 2023
- Fax
- (940) 497-4901
- Medicare enrollment
- Enrolled (PECOS I20201223000358); accepts Medicare assignment
- Medical or professional school
- University Of Texas Medical Branch At Galveston, 2017
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 11,119 in Texas → Look up another NPI →
Also registered at 3001 FM 2181
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Vidhi Patel, M.D.Family Medicine Physician1750693859
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Verify John Mark Tohlen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license S4244Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
88% fewer Medicare Part D claims than the average family medicine physician in 2024
441 Medicare Part D claims for 58 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 9% of claims.
Most prescribed
- Pantoprazole Sodium30 claims
- Rosuvastatin Calcium30 claims
- Losartan Potassium29 claims
- Levothyroxine Sodium28 claims
- Lisinopril27 claims
- Atorvastatin Calcium18 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: $41.75
2 payments; by number, the most common kind was food and beverage; the largest payer was Pfizer Inc. The 55,478 providers of this specialty with any payment received $902.55 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 one group practice
- Dixdowell And AssociatesCorinth, TX
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
John Mark Tohlen among 11,119 family medicine physician records in Texas
John Mark Tohlen, M.D. is one of 11,119 family medicine physician records with a practice address in Texas. 82% 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 80% of them.
- NPI issued2017 · 80% of these records are older, 18% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileYes · 64% of these records are
- Graduated2017 · median 2004 among the 7,095 with a school on file
- Record last updated2023 · 51% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
5 family medicine physician records list a practice address in Corinth
They are 5 of the 171 NPPES records with a practice address in Corinth, and 11,119 family medicine physician records in Texas.
All 11,119 in Texas → Every provider in Corinth → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Andrew Blankenau, M.D.Denton, TX 762101265538250
- Andrea Cummings, FNP-BCDenton, TX 762101457900904
- Andrea Eden, DODenton, TX 762101245456821
- Stanley Evans, D.O.Denton, TX 762101790781797
- Darien Kavasmaneck, M.D.Denton, TX 762101871818682
- Christian Kusi-Mensah, M.D.Denton, TX 762101295855880
- Cynthia Laverty Ballesteros, M.D.Denton, TX 762101598057473
- Adam McDowell, M.D.Corinth, TX 762101336210947
Common questions
What is John Mark Tohlen, M.D.'s NPI number?
John Mark Tohlen, M.D.'s National Provider Identifier (NPI) is 1598298077, issued on Apr 11, 2017. An NPI identifies a provider in billing; it is not a license.
Where is John Mark Tohlen, M.D. located?
The NPPES record lists a practice address at 3001 FM 2181, Corinth, TX, 76210. Phone: (940) 497-4900. Providers update this record themselves, so call before visiting.
How can I verify John Mark Tohlen, M.D.'s license?
NPPES lists Texas license number S4244, as entered by the provider. Search the Texas Medical Board at https://profile.tmb.state.tx.us/Search.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does John Mark Tohlen, M.D. prescribe under Medicare Part D?
In 2024, John Mark Tohlen, M.D. had 441 Medicare Part D claims for 58 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.