Ives R. De Chazal, MD
Pulmonary Disease Physician · Tucson, AZ
Ives R. De Chazal, MD is a pulmonary disease physician with a practice address in Tucson, Arizona, and NPI 1891792107, issued on Jun 30, 2005. Check the license (Arizona 34142, as entered in NPPES) on the Arizona Medical Board; the Medicare figures below come from public CMS files.
- Name
- Ives R. De Chazal
- Credential
- MD
- Primary taxonomy
- Pulmonary Disease Physician 207RP1001X
- License numbers
- 34142 AZ
177980 AZ
Self-reported in NPPES; status is on the state search - Practice location
- 1951 N Wilmot RD, Tucson, AZ 85712
- Phone
- (520) 318-1114
- Enumerated
- Jun 30, 2005
- Record last updated
- Sep 13, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (520) 318-4693
- Medicaid ID
- 941064 AZ
- Medicare enrollment
- Enrolled (PECOS I20050823000842); accepts Medicare assignment
- Entity
- Type 1 · individual
Also registered at 1951 N Wilmot RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Robert Aaronson, MDPulmonary Disease Physician1346247657
- Terrance Adkins, M.D.Colon & Rectal Surgery Physician1669400677
- Katie Artz, MDSurgery Physician1396781860
- Diego Calonje, M.D.Retina Specialist (Ophthalmology) Physician1790804961
- Susan Cassidy, ANPLicensed Practical Nurse1295732428
- Neva CorbellFamily Nurse Practitioner1003299785
Verify Ives R. De Chazal in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersArizona Medical Board
Search for license 34142Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
52% more Medicare Part D claims than the average pulmonary disease physician in 2024
2,171 Medicare Part D claims for 394 beneficiaries, against an average of 1,425 among the 11,596 providers of this specialty who prescribed in Part D. Brand-name drugs were 51% of claims.
Most prescribed
- Albuterol Sulfate Hfa507 claims
- Montelukast Sodium228 claims
- Trelegy Ellipta165 claims
- Breo Ellipta159 claims
- Fluticasone Propionate148 claims
- Prednisone106 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: $246.85
14 payments; by number, the most common kind was food and beverage; the largest payer was Tactile Systems Technology Inc. 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 2 group practices
- Ives DE Chazal, MD, PLLCTucson, AZ
- Tmc Medical NetworkTucson, AZ
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Pulmonary Disease Physician providers in Arizona
There are 285 pulmonary disease physician records in Arizona.
Other pulmonary disease physician records in Arizona
- Robert Aaronson, MDTucson, AZ1346247657
- Andre Abbate, M.D.Mesa, AZ1255395026
- Abdelmohaymin Abdalla, MDScottsdale, AZ1871081505
- Mohamed Abdelhabib, MDPhoenix, AZ1184287161
- Hesham Abdelrazek, MDPhoenix, AZ1841266681
- Jawad Abukhalaf, MDSurprise, AZ1629491006
- Audrey Adkins, MDTucson, AZ1811631864
- Fadi Adra, M.D.,Tucson, AZ1366630683
- Mukesh Ahluwalia, MDMesa, AZ1417933946
- Ubair Ahmed, M.D.Tucson, AZ1386840726
Common questions
What is Ives R. De Chazal, MD's NPI number?
Ives R. De Chazal, MD's National Provider Identifier (NPI) is 1891792107, issued on Jun 30, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Ives R. De Chazal, MD located?
The NPPES record lists a practice address at 1951 N Wilmot RD, Tucson, AZ, 85712. Phone: (520) 318-1114. Providers update this record themselves, so call before visiting.
How can I verify Ives R. De Chazal, MD's license?
NPPES lists Arizona license number 34142, as entered by the provider. Search the Arizona Medical Board at https://www.azmd.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Ives R. De Chazal, MD prescribe under Medicare Part D?
In 2024, Ives R. De Chazal, MD had 2,171 Medicare Part D claims for 394 beneficiaries; the average among pulmonary disease physician prescribers was 1,425. 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.