Texas Medicare Prescriber Rankings

92,470 prescribers · $19164.8M total drug cost · Verify with CMS →

Texas is represented in the CMS Medicare Part D Prescriber Public Use File (calendar year 2023) by 92,470 prescribers, who collectively wrote 107,509,481 prescription claims totaling $19164.8M in drug costs. Averaged across the state roster, that works out to roughly $207K in Part D drug cost per prescriber. The Part D PUF covers only Medicare Part D, prescriptions filled through commercial insurance, Medicaid, VA, TriCare, or cash payment are excluded, and CMS suppresses any prescriber-drug-beneficiary combination with fewer than 11 beneficiaries for patient privacy, which means the tables below understate low-volume activity and omit some specialty clinics entirely. According to the CMS Medicare Part D Prescriber data and the National Provider Identifier Registry, covering 2023 prescribing for more than 1 million U.S. clinicians since the benefit began in January 2006, you can search and compare here, every figure traces to its source in our methodology.

The opioid prescribing picture in Texas is anchored by an average prescriber-level opioid rate of 6.1% against the national average of 6.4%, with 29537 prescribers in the state having written at least one Part D opioid claim during 2023. Opioid rate is calculated by CMS as opioid claims divided by total claims for that prescriber, so a low-volume pain specialist can show a high rate while a high-volume primary-care physician writing occasional short-course scripts shows a low rate, raw rate alone does not indicate clinical appropriateness, and CMS explicitly cautions against using the PUF for quality judgments. The top-cost tables spotlight prescribers whose 2023 Part D drug spend was highest in Texas; these are typically oncologists, rheumatologists, and specialists managing high-cost biologics, not an indicator of over-prescribing.

Drill into any provider in the rankings below to see their full NPPES record, credentials, and detailed prescribing breakdown including brand/generic mix, beneficiary demographics, and most-prescribed drugs. Important: PlainDoctor presents the CMS Medicare Part D Prescriber PUF exactly as published, without editorial ranking or quality judgment. These tables are a data-transparency resource, not medical advice, not an indictment, not a quality ranking, and not a substitute for clinical judgment. Opioid prescribing decisions are nuanced medical acts, and a high PUF rate reflects only the composition of a specific prescriber's 2023 Medicare Part D claims, not patient outcomes, treatment necessity, or compliance with CDC opioid prescribing guidelines. Always verify credentials through the NPPES NPI Registry and the Texas medical board before drawing conclusions.

92,470
Prescribers
$19164.8M
Total Drug Cost
$207K
Avg Cost / Prescriber
6.1%
Avg Opioid Rate

Top Prescribers by Drug Cost

# Provider Drug Cost
1 Han Stephanie $53.8M
2 Oliva Anthony $50.6M
3 Garcia Elvin $43.5M
4 Olvera Nina $33.8M
5 Alvarez Naiara $28.7M
6 Sahay Sandeep $26.3M
7 Vanwinkle Lloyd $24.2M
8 Hinojosa Kim $21.3M
9 Gathe Joseph $17.4M
10 Safdar Zeenat $16.6M
11 Tonn Melissa $15.4M
12 Galindo Eugenio $15.3M
13 Khalil Mohamed $15.1M
14 Shenkenberg Todd $15.0M
15 Voglewede Daniel $14.6M
16 Ghadimi-Mahani Mohsen $14.1M
17 Karimjee Najmuddin $14.0M
18 Anderson Larry $14.0M
19 Griego Enrique $13.9M
20 Aloba Maria $13.1M
21 Caraballo-Gonzalez Edna $12.4M
22 Salayandia Luis $12.3M
23 Akhrass Firas $12.2M
24 Harden Scarlett $12.2M
25 Kable Sanober $11.4M
26 Mahmood Aftab $11.1M
27 Rakkhit Ronjay $11.0M
28 Vu Tri $10.6M
29 Jackson Carlayne $10.5M
30 Bullock Delia $10.5M
31 Hurley Cathy $10.5M
32 Fung Hing-Sheung $10.4M
33 Tumula Praveen $10.3M
34 Scouros Maria $10.0M
35 Phan Duc $9.9M
36 Sam Kathy $9.7M
37 Thomas Sheeba $9.3M
38 Hekimian Khoren $9.3M
39 Hashish Lama $9.2M
40 Shahinian Haroutioun $9.2M
41 Nguyen Alex $9.1M
42 Butler Matthew $8.8M
43 Aleman Weinmann Ann $8.7M
44 Rovner Sergio $8.6M
45 Martinez Rafael $8.5M
46 Rasheed Amir $8.4M
47 Dallas John $8.3M
48 Bartel Danny $8.3M
49 Miranda Eduardo $8.3M
50 Liberty Martha $8.3M

Highest Opioid Prescribing Rates

# Provider Opioid Rate
1 Duran Rebecca 100.0%
2 Corne Louis 100.0%
3 Earl Gene 100.0%
4 Kwon Robert 100.0%
5 Chong Jonathan 100.0%
6 Shary Thomas 100.0%
7 Hansen Nathan 100.0%
8 Tucker Mark 100.0%
9 Holcomb John 100.0%
10 Ramirez Albert 99.0%
11 Rosenfield Laurence 97.8%
12 Chen Harvey 97.6%
13 Vargas Daniel 97.0%
14 Schick Laura 96.9%
15 Tisdall William 96.8%
16 Barr Rebecca 96.6%
17 Stirt Daniel 96.4%
18 Sedighi Hooman 96.2%
19 Hansen Thomas 96.1%
20 Rajani Sabeena 96.0%
21 Parker James 95.8%
22 Bruggeman Adam 95.3%
23 Duvall David 95.1%
24 Campbell Stephen 94.7%
25 Tschickardt Michael 94.6%
26 Turney William 94.6%
27 Zissimos Anthony 94.3%
28 Flores Victor 94.2%
29 Metz Brandy 94.1%
30 Fontenot Ashleigh 94.1%
31 Nevitt Matthew 94.1%
32 Garcia Juan 94.0%
33 Letsou George 93.9%
34 Harmer Jon Paul 93.8%
35 Toor Omair 93.6%
36 Corneille Michael 93.3%
37 Lohman Rhett 93.0%
38 Fay James 92.9%
39 Cunningham Fred 92.9%
40 Cox Derrick 92.9%
41 Ozumba Oluchi 92.7%
42 Wooten Eric 92.6%
43 Rios Oscar 92.6%
44 Clifton John 92.3%
45 Ebadat Aileen 92.3%
46 Buzad Francis 92.3%
47 Freeman Tyler 92.3%
48 Williams Rachele 92.2%
49 Dossa Avafia 92.0%
50 Barker Jennifer 91.9%

Frequently Asked Questions

How many Medicare prescribers are in Texas?
Texas has 92,470 Medicare Part D prescribers who filed 107,509,481 claims totaling $19164.8M in drug costs.
What is the opioid prescribing rate in Texas?
The average opioid prescribing rate in Texas is 6.1%. 29537 prescribers in the state have prescribed opioids. The national average is 6.4%.

Compare Prescriber Rankings in Nearby States

Other states with CMS Medicare Part D Prescriber PUF rankings for side-by-side context.

Compare specialties nationally →

Data from CMS Medicare Part D Prescriber Public Use File (Calendar Year 2023); providers identified by NPI from the CMS NPPES registry. PlainDoctor presents this data factually without editorial judgment. Methodology · About

How to read Texas Medicare prescriber data

The rankings on this page are drawn from the CMS Medicare Part D Prescriber Public Use File and cover providers who submitted prescription drug claims for Medicare Part D beneficiaries in Texas. High-cost prescribers are not inherently problematic, a high total drug cost most often reflects specialty practice in cancer care, rheumatology, neurology, or HIV/AIDS where the standard of care involves expensive brand-name or biologic medications. Low-cost prescribers serving a primarily elderly primary-care population may prescribe generics almost exclusively, producing a small cost figure that says nothing about the quality of care they provide.

The opioid prescribing rate shows the share of a provider's Medicare Part D claims that were for opioid medications. Context is critical here: pain management specialists, palliative care physicians, and oncologists legitimately maintain higher opioid rates because their patients require it for symptom management. A high opioid rate from a family medicine physician in a county with no pain specialists may also reflect appropriate care for patients who have no other options. These rankings are a transparency resource for researchers and policymakers, not a quality judgment on individual providers.

State-level prescribing patterns in Texas reflect the state's age distribution, the prevalence of Medicare Advantage versus traditional Medicare, the density of teaching hospitals, and rural versus urban geography. States with older populations and lower Medicare Advantage penetration typically show higher per-capita Part D claims because traditional Medicare beneficiaries generate more claims data than those enrolled in integrated managed-care plans. States with large academic medical centers show more specialty prescribing; states with dispersed rural populations show proportionally more primary-care generalist prescribing.

For any provider appearing in these lists, the PlainDoctor detail page (accessible by clicking the provider name) shows their full NPI record, specialty taxonomy, practice address, and credential history from NPPES. The Part D prescribing data itself is published by CMS with a roughly 18-month lag; the most recent file covers calendar year 2023. For real-time prescribing status or licensure verification, contact the Texas state medical board or use the CMS NPI Registry directly.

Compare to other states

Medicare Part D prescriber distribution varies dramatically by state due to differences in population age, Medicare Advantage penetration, regional medical-school training pipelines, and rural-versus-urban geography. Browse the equivalent rankings for California, Texas, Florida, New York, Pennsylvania, Ohio, Illinois, Georgia, North Carolina, Michigan, and Washington for the high-volume states. Or jump directly to the prescriber rankings hub and all PlainDoctor rankings.

For specialty-level analysis (which clinician types prescribe most under Medicare Part D), see the top specialties ranking. For population-adjusted comparisons (per-capita prescriber availability), see the top states by provider count page.

Compiled from official public sources by the editorial process.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of 2026-05-20.