John Darren Clark, MD
Internal Medicine Physician · Arlington, TX
John Darren Clark, MD is an internal medicine physician with a practice address in Arlington, Texas, and NPI 1528077112, issued on Aug 5, 2006. Check the license (Texas M9928, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- John Darren Clark
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License numbers
- M9928 TX
E2554 AR
Self-reported in NPPES; status is on the state search - Practice location
- 800 W Randol Mill RD Ste 2300, Arlington, TX 76012
- Phone
- (866) 202-1032
- Enumerated
- Aug 5, 2006
- Record last updated
- May 26, 2009 (not updated in 17 years: call before relying on the address or phone)
- Fax
- (817) 548-6649
- Medicaid IDs
- 140285001 AR
198329802 TX
198329803 TX
198329801 TX - Medicare enrollment
- Enrolled (PECOS I20081222000422); accepts Medicare assignment
- Medical or professional school
- University Of Texas Southwestern Medical School At Dallas, 1996
- Entity
- Type 1 · individual
Also registered at 800 W Randol Mill RD Ste 2300
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify John Darren Clark in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license M9928Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
58% more Medicare Part D claims than the average internal medicine physician in 2024
5,028 Medicare Part D claims for 199 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. 137 claims were for opioids.
Most prescribed
- Atorvastatin Calcium289 claims
- Furosemide219 claims
- Levothyroxine Sodium209 claims
- Eliquis168 claims
- Amlodipine Besylate156 claims
- Gabapentin134 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.
No measured MIPS final score for 2023
CMS assigned the neutral MIPS final score of 75 without scoring Quality, Cost, Promoting Interoperability or Improvement Activities. It is an administrative threshold, so PlainDoctor does not compare it with measured clinicians.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $99.59
1 payment: food and beverage; the largest payer was Paratek Pharmaceuticals, 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
- Questcare Hospitalists PLLCKeller, TX
- Questcare Matrix PLLCRichland Hills, TX
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
100 internal medicine physician records list a practice address in Arlington
They are 100 of the 5,219 NPPES records with a practice address in Arlington, and 9,175 internal medicine physician records in Texas.
All 100 in Arlington → All 9,175 in Texas → Every provider in Arlington →
Other internal medicine physician records in Texas
- Muhammad A. Sattar, MDDallas, TX1760465553
- Gayatri Aaluri, MDGalveston, TX1821928508
- Anunaya AashishDenton, TX1134246374
- Queenie Ann Abad, M.D.San Antonio, TX1174979785
- Fuad Abaleka, M.DLubbock, TX1861925596
- Carol Abalihi, M.D.El Paso, TX1326136243
- Oliverio Abarca Guzman, MDHarlingen, TX1346972940
- Obinna Abaribe, M.DMansfield, TX1457704355
- Enyinnaya Abarikwu, MDTyler, TX1174788178
- Sulaiman Abawi, D.O.Frisco, TX1780845255
Common questions
What is John Darren Clark, MD's NPI number?
John Darren Clark, MD's National Provider Identifier (NPI) is 1528077112, issued on Aug 5, 2006. An NPI identifies a provider in billing; it is not a license.
Where is John Darren Clark, MD located?
The NPPES record lists a practice address at 800 W Randol Mill RD Ste 2300, Arlington, TX, 76012. Phone: (866) 202-1032. Providers update this record themselves, so call before visiting.
How can I verify John Darren Clark, MD's license?
NPPES lists Texas license number M9928, 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 Darren Clark, MD prescribe under Medicare Part D?
In 2024, John Darren Clark, MD had 5,028 Medicare Part D claims for 199 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
What is John Darren Clark, MD's MIPS final score?
CMS assigned the neutral MIPS final score of 75 for 2023 without scoring any category, so it is not a measured result.
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.