Javier Fernando Dieguez, M.D.
Pulmonary Disease Physician · Amarillo, TX
Javier Fernando Dieguez, M.D. is a pulmonary disease physician with a practice address in Amarillo, Texas, and NPI 1497061527, issued on Aug 26, 2010. Check the license (Texas Q5175, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- Javier Fernando Dieguez
- Credential
- M.D.
- Primary taxonomy
- Pulmonary Disease Physician 207RP1001X
- License number
- Q5175 TX
Self-reported in NPPES; status is on the state search - Practice location
- 6700 W 9TH Ave, Amarillo, TX 79106
- Phone
- (806) 358-0200
- Enumerated
- Aug 26, 2010
- Record last updated
- May 15, 2019 (not updated in 7 years: call before relying on the address or phone)
- Fax
- (806) 356-5590
- Medicaid ID
- 347739001 TX
- Medicare enrollment
- Enrolled (PECOS I20150813009821); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest pulmonary disease physician records → All 967 in Texas → Look up another NPI →
Also registered at 6700 W 9TH Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Evan Adams, PHARM.D.Pharmacist1245886878
- Anita Adkins, LVNLicensed Vocational Nurse1538476668
- Cindy Anderson, FNP-CFamily Nurse Practitioner1487961371
- Kyla Beedy, FNP-CFamily Nurse Practitioner1083921100
- Angela Bennett, LVNLicensed Vocational Nurse1558678441
- Salli Blevins, RNRegistered Nurse1912214883
Verify Javier Fernando Dieguez in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license Q5175Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
91% more Medicare Part D claims than the average pulmonary disease physician in 2024
2,721 Medicare Part D claims for 409 beneficiaries, against an average of 1,425 among the 11,596 providers of this specialty who prescribed in Part D. Brand-name drugs were 74% of claims.
Most prescribed
- Trelegy Ellipta725 claims
- Albuterol Sulfate Hfa366 claims
- Breo Ellipta226 claims
- Anoro Ellipta173 claims
- Fluticasone-Salmeterol160 claims
- Prednisone124 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): 97.6 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: $1,112.52
57 payments; by number, the most common kind was food and beverage; the largest payer was GlaxoSmithKline, LLC. The 8,806 providers of this specialty with any payment received $5,159.88 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 4 group practices
- Amarillo Lung And Critical Care PLLCAmarillo, TX
- Bsa Amarillo Diagnostic Clinic IncAmarillo, TX
- Bsa Hospital LLCAmarillo, TX
- Bsa Physicians Group IncAmarillo, TX
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Javier Fernando Dieguez among 967 pulmonary disease physician records in Texas
Javier Fernando Dieguez, M.D. is one of 967 pulmonary disease physician records with a practice address in Texas. 88% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2010, is newer than 70% of them.
- NPI issued2010 · 70% of these records are older, 28% newer
- In a Medicare fileYes · 88% of these records are
- In the CMS Doctors and Clinicians fileYes · 80% of these records are
- Graduated2007 · median 2001 among the 773 with a school on file
- Record last updated2019 · 48% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RP1001X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Pulmonary Disease Physician providers in Texas
There are 967 pulmonary disease physician records in Texas.
All 967 in Texas → Every provider in Amarillo → Pulmonary Disease Physician nationwide →
The 8 pulmonary disease physician records with the nearest ZIP codes
- Kalil Al-Nassir, MDAmarillo, TX 791061639303829
- Henry Bruton, MDAmarillo, TX 791061003853417
- Marcia Henderson, MDAmarillo, TX 791061659577013
- Timothy Mooring, MDAmarillo, TX 791061376570002
- Sergio Muniz, M.D.Amarillo, TX 791061710076120
- William Petersen, M.D.Amarillo, TX 791061770544579
- Gary Polk, MDAmarillo, TX 791061972530780
- Harvey Richey, D.O.Amarillo, TX 791061588604029
Common questions
What is Javier Fernando Dieguez, M.D.'s NPI number?
Javier Fernando Dieguez, M.D.'s National Provider Identifier (NPI) is 1497061527, issued on Aug 26, 2010. An NPI identifies a provider in billing; it is not a license.
Where is Javier Fernando Dieguez, M.D. located?
The NPPES record lists a practice address at 6700 W 9TH Ave, Amarillo, TX, 79106. Phone: (806) 358-0200. Providers update this record themselves, so call before visiting.
How can I verify Javier Fernando Dieguez, M.D.'s license?
NPPES lists Texas license number Q5175, 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 Javier Fernando Dieguez, M.D. prescribe under Medicare Part D?
In 2024, Javier Fernando Dieguez, M.D. had 2,721 Medicare Part D claims for 409 beneficiaries; the average among pulmonary disease physician prescribers was 1,425. Part D covers Medicare prescriptions only.
What is Javier Fernando Dieguez, M.D.'s MIPS final score?
The 2023 MIPS final score is 97.6 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.