Frank W. Theilen, MD
Otolaryngology Physician · Irving, TX
Frank W. Theilen, MD is an otolaryngology physician with a practice address in Irving, Texas, and NPI 1295739266, issued on Jun 8, 2005. Check the license (Texas G3844, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- Frank W. Theilen
- Credential
- MD
- Primary taxonomy
- Otolaryngology Physician 207Y00000X
- License number
- G3844 TX
Self-reported in NPPES; status is on the state search - Practice location
- 400 W IH 635 Fwy, Irving, TX 75063
- Phone
- (972) 402-8404
- Enumerated
- Jun 8, 2005
- Record last updated
- Jan 14, 2008 (not updated in 18 years: call before relying on the address or phone)
- Fax
- (972) 402-9401
- Medicare enrollment
- Enrolled (PECOS I20080530000287); accepts Medicare assignment
- Medical or professional school
- University Of Texas Medical Branch At Galveston, 1982
- Entity
- Type 1 · individual
8 nearest otolaryngology physician records → All 790 in Texas → Look up another NPI →
Also registered at 400 W IH 635 Fwy
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Douglas Cluff, M.D.Family Medicine Physician1508890914
- Michelle Fowers, M.D.Pediatrics Physician1043243744
- Michelle Han, M.D.Pediatrics Physician1841223542
- Tiffany Harvey, M.D.Internal Medicine Physician1346405636
- Melissa Johnson, PNPPediatric Nurse Practitioner1902194301
Verify Frank W. Theilen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license G3844Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
61% fewer Medicare Part D claims than the average otolaryngology physician in 2024
212 Medicare Part D claims for 99 beneficiaries, against an average of 541 among the 8,339 providers of this specialty who prescribed in Part D. Brand-name drugs were 8% of claims. 21 claims were for opioids.
Most prescribed
- Pantoprazole Sodium47 claims
- Acetaminophen-Codeine17 claims
- Levothyroxine Sodium15 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 MIPS final score for 2023 (Medicare payment program): 0 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $320.28
12 payments; by number, the most common kind was food and beverage; the largest payer was Medtronic, Inc. The 6,429 providers of this specialty with any payment received $1,922.50 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
- Irving Coppell Ear, Nose And ThroatIrving, TX
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Frank W. Theilen among 790 otolaryngology physician records in Texas
Frank W. Theilen, MD is one of 790 otolaryngology 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 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 80% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileYes · 70% of these records are
- Graduated1982 · median 2003 among the 552 with a school on file
- Record last updated2008 · 58% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Y00000X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Otolaryngology Physician providers in Texas
There are 790 otolaryngology physician records in Texas.
All 790 in Texas → Every provider in Irving → Otolaryngology Physician nationwide →
The 8 otolaryngology physician records with the nearest ZIP codes
- James Mullins, MDIrving, TX 750631598754871
- Neil Williams, MDIrving, TX 750631003810086
- Clifton Woods, MDIrving, TX 750631710417456
- Constance Zhou, MDIrving, TX 750611447453055
- Thomas Bramhall, MDLewisville, TX 750571265439962
- M. Evans, MD PALewisville, TX 750571407897952
- Eric Flavill, MDMcKinney, TX 750691417157249
- Benjamin Hull, M.D.Lewisville, TX 750571649596776
Common questions
What is Frank W. Theilen, MD's NPI number?
Frank W. Theilen, MD's National Provider Identifier (NPI) is 1295739266, issued on Jun 8, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Frank W. Theilen, MD located?
The NPPES record lists a practice address at 400 W IH 635 Fwy, Irving, TX, 75063. Phone: (972) 402-8404. Providers update this record themselves, so call before visiting.
How can I verify Frank W. Theilen, MD's license?
NPPES lists Texas license number G3844, 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 Frank W. Theilen, MD prescribe under Medicare Part D?
In 2024, Frank W. Theilen, MD had 212 Medicare Part D claims for 99 beneficiaries; the average among otolaryngology physician prescribers was 541. Part D covers Medicare prescriptions only.
What is Frank W. Theilen, MD's MIPS final score?
The 2023 MIPS final score is 0 of 100. 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.