John B. Chastain, MD
Otolaryngology Physician · Tucson, AZ
John B. Chastain, MD is an otolaryngology physician with a practice address in Tucson, Arizona, and NPI 1801915715, issued on Mar 29, 2007. Check the license (Arizona 51562, as entered in NPPES) on the Arizona Medical Board; the Medicare figures below come from public CMS files.
- Name
- John B. Chastain
- Credential
- MD
- Primary taxonomy
- Otolaryngology Physician 207Y00000X
- License number
- 51562 AZ
Self-reported in NPPES; status is on the state search - Practice location
- 2121 N Craycroft RD Bldg 5, Tucson, AZ 85712
- Phone
- (520) 296-8500
- Enumerated
- Mar 29, 2007
- Record last updated
- Aug 12, 2019 (not updated in 7 years: call before relying on the address or phone)
- Fax
- (520) 733-2389
- Medicare enrollment
- Enrolled (PECOS I20180201000963); accepts Medicare assignment
- Medical or professional school
- Medical College Of Georgia School Of Medicine, 2002
- Entity
- Type 1 · individual
8 nearest otolaryngology physician records → All 178 in Arizona → Look up another NPI →
Also registered at 2121 N Craycroft RD Bldg 5
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Robyn De Stefano, R.P.A.-C.Medical Physician Assistant1073613261
- Christine Francart, AUDAudiologist1861842395
- David Hu, M.D.Otolaryngology Physician1467646984
- Suat Kilic, MDOtolaryngology Physician1851897714
- Sarah Laszok, AU.D.Audiologist1457733206
- Sarah Lim, FNP-CNurse Practitioner1619567583
Verify John B. Chastain in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersArizona Medical Board
Search for license 51562Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.1 times the Medicare Part D claims of the average otolaryngology physician in 2024
1,158 Medicare Part D claims for 452 beneficiaries, against an average of 541 among the 8,339 providers of this specialty who prescribed in Part D. Brand-name drugs were 5% of claims. 42 claims were for opioids.
Most prescribed
- Ipratropium Bromide217 claims
- Montelukast Sodium100 claims
- Fluticasone Propionate90 claims
- Amoxicillin-Clavulanate Potass87 claims
- Methylprednisolone65 claims
- Mupirocin60 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): 89.3 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: $371.90
13 payments; by number, the most common kind was food and beverage; the largest payer was Genzyme Corporation. 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.
3 hospitals and group practices
- Neurological Associates OF TucsonTucson, AZ
- San Carlos Apache Healthcare CorporationPeridot, AZ · Critical Access Hospitals
- Tucson E.n.t. Associates, P.C.Tucson, AZ
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov).
John B. Chastain among 178 otolaryngology physician records in Arizona
John B. Chastain, MD is one of 178 otolaryngology physician records with a practice address in Arizona. 78% 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 58% of them.
- NPI issued2007 · 58% of these records are older, 35% newer
- In a Medicare fileYes · 78% of these records are
- In the CMS Doctors and Clinicians fileYes · 64% of these records are
- Graduated2002 · median 2000 among the 114 with a school on file
- Record last updated2019 · 57% 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 Arizona practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Otolaryngology Physician providers in Arizona
There are 178 otolaryngology physician records in Arizona.
All 178 in Arizona → Every provider in Tucson → Otolaryngology Physician nationwide →
The 8 otolaryngology physician records with the nearest ZIP codes
- James Carlson, MDTucson, AZ 857121225041866
- David Hu, M.D.Tucson, AZ 857121467646984
- Suat Kilic, MDTucson, AZ 857121851897714
- John Kurtin, MDTucson, AZ 857121528076403
- Keith Soderberg, M.D.Tucson, AZ 857121770531527
- Elias Stratigouleas, M.D.Tucson, AZ 857121043268741
- Robert Cravens, M.D.Tucson, AZ 857131497703276
- Bruce Stewart, M.D.Tucson, AZ 857131811974835
Common questions
What is John B. Chastain, MD's NPI number?
John B. Chastain, MD's National Provider Identifier (NPI) is 1801915715, issued on Mar 29, 2007. An NPI identifies a provider in billing; it is not a license.
Where is John B. Chastain, MD located?
The NPPES record lists a practice address at 2121 N Craycroft RD Bldg 5, Tucson, AZ, 85712. Phone: (520) 296-8500. Providers update this record themselves, so call before visiting.
How can I verify John B. Chastain, MD's license?
NPPES lists Arizona license number 51562, 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 John B. Chastain, MD prescribe under Medicare Part D?
In 2024, John B. Chastain, MD had 1,158 Medicare Part D claims for 452 beneficiaries; the average among otolaryngology physician prescribers was 541. Part D covers Medicare prescriptions only.
What is John B. Chastain, MD's MIPS final score?
The 2023 MIPS final score is 89.3 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.