NPPES file of Aug 9, 2026

Irwin Feinberg, D.D.S.

Periodontics · Glendale, AZ

Irwin Feinberg, D.D.S. is a periodontics with a practice address in Glendale, Arizona, and NPI 1518176437, issued on May 21, 2007. Check the license (Arizona 5412, as entered in NPPES) with the Arizona board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1518176437
Name
Irwin Feinberg
Credential
D.D.S.
Primary taxonomy
Periodontics 1223P0300X
License number
5412 AZ
Self-reported in NPPES; status is on the state search
Practice location
18555 N 79TH Ave, Glendale, AZ 85308
Phone
(623) 412-7700
Enumerated
May 21, 2007
Record last updated
Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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8 nearest periodontics records → All 122 in Arizona → Look up another NPI →

Also registered at 18555 N 79TH Ave

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Michael Allard, DDS.MD.Oral and Maxillofacial Surgery (Dentist)1457547713
  2. Jolynn Bierman, CCC-SLPSpeech-Language Pathologist1235446071
  3. Sara CherepinskyPhysical Therapy Assistant1417237975
  4. Julie Dehlin, PTPhysical Therapist1437356821
  5. Mark Gaona, D.D.S.General Practice Dentistry1881776862
  6. Bradley Gettleman, DDS MSEndodontics1619010782

Verify Irwin Feinberg in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Arizona board licenses this profession
    Search for license 5412    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the Arizona license search

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74% fewer Medicare Part D claims than the average periodontics in 2024

72 Medicare Part D claims for 36 beneficiaries, against an average of 277 among the 4,191 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.

  1. Irwin Feinberg72
  2. Specialty average277

Most prescribed

  1. Amoxicillin40 claims
  2. Ibuprofen25 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.

Irwin Feinberg among 122 periodontics records in Arizona

Irwin Feinberg, D.D.S. is one of 122 periodontics records with a practice address in Arizona. 75% 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 40% of them.

  • NPI issued2007 · 40% of these records are older, 32% newer
  • In a Medicare fileYes · 75% of these records are
  • In the CMS Doctors and Clinicians fileNo · 0% of these records are
  • Record last updated2007 · 76% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 1223P0300X and a Arizona practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Periodontics providers in Arizona

There are 122 periodontics records in Arizona.

All 122 in Arizona → Every provider in Glendale → Periodontics nationwide →

The 8 periodontics records with the nearest ZIP codes

  1. John Cianciola, DDSGlendale, AZ 853081841360120
  2. Kenneth Kimble, D.D.S.Glendale, AZ 853081124235056
  3. Tannaz Malekzadeh, DMDGlendale, AZ 853081255433645
  4. Vanessa Marinho, D.D.S., M.S.Glendale, AZ 853081528097516
  5. William Stentz, DDSLuke Afb, AZ 853091609971274
  6. Loc Tran, DDS, MSGlendale, AZ 853091033662937
  7. Elizabeth Tandy, DMDGilbert, AZ 852961346239555
  8. Scott Adashek, D.D.S., M.S.Gilbert, AZ 852951568629236

Common questions

What is Irwin Feinberg, D.D.S.'s NPI number?

Irwin Feinberg, D.D.S.'s National Provider Identifier (NPI) is 1518176437, issued on May 21, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Irwin Feinberg, D.D.S. located?

The NPPES record lists a practice address at 18555 N 79TH Ave, Glendale, AZ, 85308. Phone: (623) 412-7700. Providers update this record themselves, so call before visiting.

How can I verify Irwin Feinberg, D.D.S.'s license?

NPPES lists Arizona license number 5412, as entered by the provider. Search the Arizona board that licenses this profession; the NPPES record confirms identity only.

How much does Irwin Feinberg, D.D.S. prescribe under Medicare Part D?

In 2024, Irwin Feinberg, D.D.S. had 72 Medicare Part D claims for 36 beneficiaries; the average among periodontics prescribers was 277. 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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.