James Willig
Infectious Disease Physician · Dallas, TX
James Willig is an infectious disease physician with a practice address in Dallas, Texas, and NPI 1386768968, issued on Mar 19, 2007. Check the license (Texas V8429, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- James Willig
- Primary taxonomy
- Infectious Disease Physician 207RI0200X
- License numbers
- V8429 TX
26003 AL
Self-reported in NPPES; status is on the state search - Practice location
- 6201 Harry Hines Blvd, Dallas, TX 75390
- Phone
- (214) 633-5555
- Enumerated
- Mar 19, 2007
- Record last updated
- Jul 9, 2025
- Medicare enrollment
- Enrolled (PECOS I20250911000149); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest infectious disease physician records → All 674 in Texas → Look up another NPI →
Also registered at 6201 Harry Hines Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Sarwat Afghani, PAPhysician Assistant1679902621
- Aimaz Afrough, M.D.Hematology (Internal Medicine) Physician1477964518
- Murtaza Ahmed, MDHospitalist Physician1023750445
- Amisha Ahuja, M.D.Gastroenterology Physician1912431966
- Camli Al-Sadek, MDInternal Medicine Physician1770024945
Verify James Willig in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license V8429Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
37% fewer Medicare Part D claims than the average infectious disease physician in 2024
431 Medicare Part D claims for 35 beneficiaries, against an average of 689 among the 7,388 providers of this specialty who prescribed in Part D. Brand-name drugs were 23% of claims. 19 claims were for opioids.
Most prescribed
- Gabapentin59 claims
- Biktarvy26 claims
- Zolpidem Tartrate24 claims
- Atorvastatin Calcium15 claims
- Temazepam15 claims
- Hydrocodone-Acetaminophen14 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: $20.16
1 payment: food and beverage; the largest payer was GE Healthcare. The 3,895 providers of this specialty with any payment received $4,362.19 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
- University OF Texas Southwestern Medical Center AT DallasDallas, TX
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
James Willig among 674 infectious disease physician records in Texas
James Willig is one of 674 infectious disease physician records with a practice address in Texas. 84% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 41% of them.
- NPI issued2007 · 41% of these records are older, 46% newer
- In a Medicare fileYes · 84% of these records are
- In the CMS Doctors and Clinicians fileYes · 76% of these records are
- Graduated2010 · median 2002 among the 510 with a school on file
- Record last updated2025 · 46% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RI0200X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Infectious Disease Physician providers in Texas
There are 674 infectious disease physician records in Texas.
All 674 in Texas → Every provider in Dallas → Infectious Disease Physician nationwide →
The 8 infectious disease physician records with the nearest ZIP codes
- Tawanda Gumbo, M.D.Dallas, TX 753901255323317
- Robert Haley, MDDallas, TX 753901942269063
- Mamta Jain, MD MPHDallas, TX 753901114989290
- Ellen Kitchell, MDDallas, TX 753901568671196
- Susana Lazarte, MDDallas, TX 753901699984906
- Amneris Luque, M.D.Dallas, TX 753901558393538
- Robert Munford, MDDallas, TX 753901619936747
- Ank Nijhawan, M.D.Dallas, TX 753901023099116
Common questions
What is James Willig's NPI number?
James Willig's National Provider Identifier (NPI) is 1386768968, issued on Mar 19, 2007. An NPI identifies a provider in billing; it is not a license.
Where is James Willig located?
The NPPES record lists a practice address at 6201 Harry Hines Blvd, Dallas, TX, 75390. Phone: (214) 633-5555. Providers update this record themselves, so call before visiting.
How can I verify James Willig's license?
NPPES lists Texas license number V8429, 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 James Willig prescribe under Medicare Part D?
In 2024, James Willig had 431 Medicare Part D claims for 35 beneficiaries; the average among infectious disease physician prescribers was 689. 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.