NPPES file of Aug 9, 2026

Nathaniel Dancykier, D.D.S.

General Practice Dentistry · Chicago, IL

Nathaniel Dancykier, D.D.S. is a general practice dentistry with a practice address in Chicago, Illinois, and NPI 1013383363, issued on Aug 20, 2015. Check the license (Illinois 019030259, as entered in NPPES) 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
1013383363
Name
Nathaniel Dancykier
Credential
D.D.S.
Primary taxonomy
General Practice Dentistry 1223G0001X
License number
019030259 IL
Self-reported in NPPES; status is on the state search
Practice location
801 S Paulina St, Chicago, IL 60612
Phone
(312) 996-8925
Enumerated
Aug 20, 2015
Record last updated
Nov 5, 2015 (not updated in 11 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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Also registered at 801 S Paulina St

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

  1. William Abbott, DDSOral and Maxillofacial Surgery (Dentist)1891908737
  2. Nada AbdallahDentist1144847740
  3. Pheba Abraham, DMDOrthodontics and Dentofacial Orthopedics Dentistry1356964480
  4. Leila Ahmadian Khoshe MehrProsthodontics1619497021
  5. Azza Ahmed, BDS, MSC, PHDPediatric Dentistry1326672791
  6. Olatorera AinaDentist1578263885

Verify Nathaniel Dancykier in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Illinois board licenses this profession
    Search for license 019030259
    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 Illinois license search

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24% fewer Medicare Part D claims than the average general practice dentistry in 2024

63 Medicare Part D claims for 41 beneficiaries, against an average of 83 among the 70,290 providers of this specialty who prescribed in Part D.

  1. Nathaniel Dancykier63
  2. Specialty average83

Most prescribed

  1. Amoxicillin39 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: $2,750.00

1 payment: consulting fee; the largest payer was Envista Holdings Corporation. The 41,669 providers of this specialty with any payment received $597.01 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Nathaniel Dancykier$2,750.00
  2. Specialty average$597.01

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

Nathaniel Dancykier among 5,276 general practice dentistry records in Illinois

Nathaniel Dancykier, D.D.S. is one of 5,276 general practice dentistry 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 2015, is newer than 75% of them.

  • NPI issued2015 · 75% of these records are older, 24% 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 updated2015 · 75% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 1223G0001X 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 general practice dentistry records list a practice address in Chicago

They are 1,148 of the 63,379 NPPES records with a practice address in Chicago, and 5,276 general practice dentistry records in Illinois.

The 8 general practice dentistry records with the nearest ZIP codes

  1. Peter Feimer, D.D.S.Chicago, IL 606121295818656
  2. Dena Fischer, DDS,MSD,MSChicago, IL 606121669425005
  3. Amul Gandhi, D.D.S.Chicago, IL 606121982715298
  4. Kenneth Gehrke, DDSChicago, IL 606121013120203
  5. George Joseph, D.D.S.,M.S.Chicago, IL 606121164413233
  6. George Knight, D.D.S.Chicago, IL 606121689727372
  7. Alyson Koslow, DDSChicago, IL 606121992927685
  8. Daniel Leonard, D.D.S.Chicago, IL 606121336280064

Common questions

What is Nathaniel Dancykier, D.D.S.'s NPI number?

Nathaniel Dancykier, D.D.S.'s National Provider Identifier (NPI) is 1013383363, issued on Aug 20, 2015. An NPI identifies a provider in billing; it is not a license.

Where is Nathaniel Dancykier, D.D.S. located?

The NPPES record lists a practice address at 801 S Paulina St, Chicago, IL, 60612. Phone: (312) 996-8925. Providers update this record themselves, so call before visiting.

How can I verify Nathaniel Dancykier, D.D.S.'s license?

NPPES lists Illinois license number 019030259, as entered by the provider. Search the Illinois board that licenses this profession; the NPPES record confirms identity only.

How much does Nathaniel Dancykier, D.D.S. prescribe under Medicare Part D?

In 2024, Nathaniel Dancykier, D.D.S. had 63 Medicare Part D claims for 41 beneficiaries; the average among general practice dentistry prescribers was 83. 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.