Joseph Ahlstrom Chiara, M.D.
Otolaryngology Physician · Phoenix, AZ
Joseph Ahlstrom Chiara, M.D. is an otolaryngology physician with a practice address in Phoenix, Arizona, and NPI 1912113085, issued on May 15, 2007. Check the license (Arizona 46992, as entered in NPPES) on the Arizona Medical Board; the Medicare figures below come from public CMS files.
- Name
- Joseph Ahlstrom Chiara
- Credential
- M.D.
- Primary taxonomy
- Otolaryngology Physician 207Y00000X
- License number
- 46992 AZ
Self-reported in NPPES; status is on the state search - Practice location
- 3806 East Bell Road, Phoenix, AZ 85032
- Phone
- (602) 688-6500
- Enumerated
- May 15, 2007
- Record last updated
- Jun 19, 2014 (not updated in 12 years: call before relying on the address or phone)
- Fax
- (602) 867-3144
- Medicare enrollment
- Enrolled (PECOS I20130204000359); accepts Medicare assignment
- Medical or professional school
- Saint Louis University School Of Medicine, 2005
- Entity
- Type 1 · individual
8 nearest otolaryngology physician records → All 178 in Arizona → Look up another NPI →
Verify Joseph Ahlstrom Chiara in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersArizona Medical Board
Search for license 46992Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
51% more Medicare Part D claims than the average otolaryngology physician in 2024
818 Medicare Part D claims for 328 beneficiaries, against an average of 541 among the 8,339 providers of this specialty who prescribed in Part D. Brand-name drugs were 2% of claims. 55 claims were for opioids.
Most prescribed
- Ipratropium Bromide181 claims
- Fluticasone Propionate101 claims
- Oxycodone-Acetaminophen52 claims
- Mupirocin45 claims
- Ofloxacin45 claims
- Methylprednisolone43 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: $155.29
5 payments; by number, the most common kind was food and beverage; the largest payer was Inspire Medical Systems, 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
- North Valley Ear Nose And Throat Associates PCPhoenix, AZ
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Joseph Ahlstrom Chiara among 178 otolaryngology physician records in Arizona
Joseph Ahlstrom Chiara, M.D. 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
- Graduated2005 · median 2000 among the 114 with a school on file
- Record last updated2014 · 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 Phoenix → Otolaryngology Physician nationwide →
The 8 otolaryngology physician records with the nearest ZIP codes
- Michael Gutman, M.D.Phoenix, AZ 850321952306458
- Peter Kaiser, M.D.Phoenix, AZ 850321609872894
- Dan Chapel, M.D.Phoenix, AZ 850281205806262
- Stephen Garber, M.D.Phoenix, AZ 850281932534476
- Chetan Gujrathi, M.D.Phoenix, AZ 850281669442141
- Alyson Kaplan, M.D.Phoenix, AZ 850281457706061
- John Milligan, M.D.Phoenix, AZ 850281376513341
- Manikandan Sugumaran, M.D.Phoenix, AZ 850281932356367
Common questions
What is Joseph Ahlstrom Chiara, M.D.'s NPI number?
Joseph Ahlstrom Chiara, M.D.'s National Provider Identifier (NPI) is 1912113085, issued on May 15, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Joseph Ahlstrom Chiara, M.D. located?
The NPPES record lists a practice address at 3806 East Bell Road, Phoenix, AZ, 85032. Phone: (602) 688-6500. Providers update this record themselves, so call before visiting.
How can I verify Joseph Ahlstrom Chiara, M.D.'s license?
NPPES lists Arizona license number 46992, 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 Joseph Ahlstrom Chiara, M.D. prescribe under Medicare Part D?
In 2024, Joseph Ahlstrom Chiara, M.D. had 818 Medicare Part D claims for 328 beneficiaries; the average among otolaryngology physician prescribers was 541. Part D covers Medicare prescriptions only.
What is Joseph Ahlstrom Chiara, M.D.'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.