NPPES file of Aug 9, 2026

Isza Aich-Ranjbari, D.D.S.,

Dentist · Chicago, IL

Isza Aich-Ranjbari, D.D.S., is a dentist with a practice address in Chicago, Illinois, and NPI 1780893990, issued on May 22, 2007. Check the license with the Illinois 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
1780893990
Name
Isza Aich-Ranjbari
Credential
D.D.S.,
Primary taxonomy
Dentist 122300000X
Practice location
4911 W Diversey Ave, Chicago, IL 60639
Phone
(773) 804-9500
Enumerated
May 22, 2007
Record last updated
Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
Fax
(773) 804-9501
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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Verify Isza Aich-Ranjbari in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Illinois board licenses this professionCheck 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
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Industry payments in 2024: $39.54

1 payment: food and beverage; the largest payer was Ivoclar Vivadent, Inc. The 31,974 providers of this specialty with any payment received $540.36 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Isza Aich-Ranjbari$39.54
  2. Specialty average$540.36

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Isza Aich-Ranjbari among 4,522 dentist records in Illinois

Isza Aich-Ranjbari, D.D.S., is one of 4,522 dentist records with a practice address in Illinois. 64% 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 19% of them.

  • NPI issued2007 · 19% of these records are older, 62% newer
  • In a Medicare fileYes · 64% of these records are
  • In the CMS Doctors and Clinicians fileNo · under 1% of these records are
  • Record last updated2007 · 74% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 122300000X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

1,148 dentist records list a practice address in Chicago

They are 1,148 of the 63,379 NPPES records with a practice address in Chicago, and 4,522 dentist records in Illinois.

The 8 dentist records with the nearest ZIP codes

  1. Loni Adebayo, D.D.S.Chicago, IL 606391366736720
  2. Dale Benjamin, DMDChicago, IL 606391003116617
  3. Kesanet Gebrekidan, DDSChicago, IL 606391104838002
  4. Geta Hamilton-Neagoe, DDSChicago, IL 606391235238213
  5. Olga Leahy, DDSChicago, IL 606391326020314
  6. Tricia Letrero Woriax, DDSChicago, IL 606391285783951
  7. Maria Lynch, DDSChicago, IL 606391336589647
  8. Philip Mussari, D.D.S.Chicago, IL 606391225220726

Common questions

What is Isza Aich-Ranjbari, D.D.S.,'s NPI number?

Isza Aich-Ranjbari, D.D.S.,'s National Provider Identifier (NPI) is 1780893990, issued on May 22, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Isza Aich-Ranjbari, D.D.S., located?

The NPPES record lists a practice address at 4911 W Diversey Ave, Chicago, IL, 60639. Phone: (773) 804-9500. Providers update this record themselves, so call before visiting.

How can I verify Isza Aich-Ranjbari, D.D.S.,'s license?

Search the Illinois board that licenses this profession; the NPPES record confirms identity 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.