NPPES file of Aug 9, 2026

Mark Renfro, MD

Neurological Surgery Physician · Tyler, TX

Mark Renfro, MD is a neurological surgery physician with a practice address in Tyler, Texas, and NPI 1003819913, issued on May 24, 2005. Check the license (Texas K3425, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1003819913
Name
Mark Renfro
Credential
MD
Primary taxonomy
Neurological Surgery Physician 207T00000X
License number
K3425 TX
Self-reported in NPPES; status is on the state search
Practice location
700 Olympic Plaza Cir, Tyler, TX 75701
Phone
(903) 595-2441
Enumerated
May 24, 2005
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 700 Olympic Plaza Cir

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

  1. William Armstrong, M.D.Urology Physician1699074351
  2. John Barnett, MDRadiation Oncology Physician1538177217
  3. Yvonne Baum, M.D.Internal Medicine Physician1679572614
  4. Thomas Bright, M.D.Urology Physician1811937378
  5. Rebecca Cali, M.D.Colon & Rectal Surgery Physician1992766091
  6. Joseph Conflitti, MDOrthopaedic Surgery Physician1720022650

Verify Mark Renfro in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersTexas Medical Board
    Search for license K3425
    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 Texas license search

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5% more Medicare Part D claims than the average neurological surgery physician in 2024

181 Medicare Part D claims for 72 beneficiaries, against an average of 172 among the 4,378 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims. 88 claims were for opioids.

  1. Mark Renfro181
  2. Specialty average172

Most prescribed

  1. Hydrocodone-Acetaminophen61 claims
  2. Gabapentin30 claims
  3. Cyclobenzaprine Hcl15 claims
  4. Tizanidine Hcl11 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.

The practice group's MIPS final score for 2023 (Medicare payment program): 70.3 of 100

The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score74.0
  2. Costout of 100 · 30%35.7
  3. Promoting interoperabilitynot scored (reweighted)
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Bills Medicare through one group practice

  1. Tyler Neurosurgical Associates, P.A.Tyler, TX

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

Neurological Surgery Physician providers in Texas

There are 669 neurological surgery physician records in Texas.

Other neurological surgery physician records in Texas

  1. Dare Adewumi, M.D.Fort Worth, TX1265605091
  2. Osama Ahmed, MDLive Oak, TX1083857551
  3. Nicholas Ahye, M.D.Houston, TX1578978946
  4. Olaide Ajayi, MDFort Worth, TX1174057814
  5. George Al Shamy, MDShenandoah, TX1861773889
  6. Mazin Al Tamimi, M.D.Dallas, TX1033169982
  7. Baraa Al-Hafez, M.DHouston, TX1750596904
  8. Fadi Al-Saiegh, M.D.San Antonio, TX1124415856
  9. Ladislau Albert, M.D.San Antonio, TX1407149149
  10. Otmar Albrand, MDDenison, TX1285882621

Common questions

What is Mark Renfro, MD's NPI number?

Mark Renfro, MD's National Provider Identifier (NPI) is 1003819913, issued on May 24, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Mark Renfro, MD located?

The NPPES record lists a practice address at 700 Olympic Plaza Cir, Tyler, TX, 75701. Phone: (903) 595-2441. Providers update this record themselves, so call before visiting.

How can I verify Mark Renfro, MD's license?

NPPES lists Texas license number K3425, 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 Mark Renfro, MD prescribe under Medicare Part D?

In 2024, Mark Renfro, MD had 181 Medicare Part D claims for 72 beneficiaries; the average among neurological surgery physician prescribers was 172. Part D covers Medicare prescriptions only.

What is Mark Renfro, MD's MIPS final score?

The 2023 MIPS final score is 70.3 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.

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.