NPPES file of Aug 9, 2026

Carl Frederick Ern, DDS

General Practice Dentistry · Brewster, NY

Carl Frederick Ern, DDS is a general practice dentistry with a practice address in Brewster, New York, and NPI 1629294111, issued on Apr 17, 2007. Check the license (New York 035269, as entered in NPPES) with the New York 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
1629294111
Name
Carl Frederick Ern
Credential
DDS
Primary taxonomy
General Practice Dentistry 1223G0001X
License number
035269 NY
Self-reported in NPPES; status is on the state search
Practice location
2435 Route 6, Brewster, NY 10509
Phone
(845) 279-3720
Enumerated
Apr 17, 2007
Record last updated
Apr 7, 2020 (not updated in 6 years: call before relying on the address or phone)
Fax
(845) 279-8144
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 Carl Frederick Ern in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich New York board licenses this profession
    Search for license 035269
    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
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46% fewer Medicare Part D claims than the average general practice dentistry in 2024

45 Medicare Part D claims for 30 beneficiaries, against an average of 83 among the 70,290 providers of this specialty who prescribed in Part D.

  1. Carl Ern45
  2. Specialty average83

Most prescribed

  1. Amoxicillin25 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.

Carl Frederick Ern among 7,828 general practice dentistry records in New York

Carl Frederick Ern, DDS is one of 7,828 general practice dentistry records with a practice address in New York. 60% 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 35% of them.

  • NPI issued2007 · 35% of these records are older, 35% newer
  • In a Medicare fileYes · 60% of these records are
  • In the CMS Doctors and Clinicians fileNo · under 1% of these records are
  • Record last updated2020 · 79% 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 New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

13 general practice dentistry records list a practice address in Brewster

They are 13 of the 577 NPPES records with a practice address in Brewster, and 7,828 general practice dentistry records in New York.

The 8 general practice dentistry records with the nearest ZIP codes

  1. Komaljit Bhasin, DDSBrewster, NY 105091144312208
  2. Arthur Cosden, D.D.S.Brewster, NY 105091104130707
  3. Anthony Escriva, DDSBrewster, NY 105091235231515
  4. Christopher Garland, DDSBrewster, NY 105091447361902
  5. Michael Gelbart, DDSBrewster, NY 105091962491308
  6. Joan Grcevic, D.D.S.Brewster, NY 105091346221496
  7. Neil Kesselman, DDSBrewster, NY 105091629067798
  8. Mark Melkonian, DDSBrewster, NY 105091861461683

Common questions

What is Carl Frederick Ern, DDS's NPI number?

Carl Frederick Ern, DDS's National Provider Identifier (NPI) is 1629294111, issued on Apr 17, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Carl Frederick Ern, DDS located?

The NPPES record lists a practice address at 2435 Route 6, Brewster, NY, 10509. Phone: (845) 279-3720. Providers update this record themselves, so call before visiting.

How can I verify Carl Frederick Ern, DDS's license?

NPPES lists New York license number 035269, as entered by the provider. Search the New York board that licenses this profession; the NPPES record confirms identity only.

How much does Carl Frederick Ern, DDS prescribe under Medicare Part D?

In 2024, Carl Frederick Ern, DDS had 45 Medicare Part D claims for 30 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.