NPPES file of Aug 9, 2026

Gregory Katchuk, OD

Optometrist · Bethesda, MD

Gregory Katchuk, OD is an optometrist with a practice address in Bethesda, Maryland, and NPI 1023190030, issued on Oct 19, 2006. Check the license (Maryland TA-1679, as entered in NPPES) with the Maryland 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
1023190030
Name
Gregory Katchuk
Credential
OD
Primary taxonomy
Optometrist 152W00000X
License numbers
TA-1679 MD
0618001165 VA
Self-reported in NPPES; status is on the state search
Practice location
4300 East West Highway, Bethesda, MD 20814
Phone
(301) 656-0775
Enumerated
Oct 19, 2006
Record last updated
Jul 15, 2015 (not updated in 11 years: call before relying on the address or phone)
Fax
(301) 656-5164
Medicare enrollment
Enrolled (PECOS I20040510000904); accepts Medicare assignment
Medical or professional school
Pennsylvania College Of Optometry, 2000
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 4300 East West Highway

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

  1. Pamela Meek, PH.D.Psychologist1346418050

Verify Gregory Katchuk in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Maryland board licenses this profession
    Search for license TA-1679
    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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86% fewer Medicare Part D claims than the average optometrist in 2024

40 Medicare Part D claims for 14 beneficiaries, against an average of 277 among the 33,128 providers of this specialty who prescribed in Part D. Brand-name drugs were 73% of claims.

  1. Gregory Katchuk40
  2. Specialty average277

Most prescribed

  1. Restasis12 claims
  2. Cyclosporine11 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: $287.24

12 payments; by number, the most common kind was food and beverage; the largest payer was Tarsus Pharmaceuticals, Inc. The 34,453 providers of this specialty with any payment received $769.99 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Gregory Katchuk$287.24
  2. Specialty average$769.99

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

Gregory Katchuk among 924 optometrist records in Maryland

Gregory Katchuk, OD is one of 924 optometrist records with a practice address in Maryland. 72% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 7% of them.

  • NPI issued2006 · 7% of these records are older, 56% newer
  • In a Medicare fileYes · 72% of these records are
  • In the CMS Doctors and Clinicians fileYes · 56% of these records are
  • Graduated2000 · median 2005 among the 517 with a school on file
  • Record last updated2015 · 63% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 152W00000X and a Maryland practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Optometrist providers in Maryland

There are 924 optometrist records in Maryland.

The 8 optometrist records with the nearest ZIP codes

  1. Anahita AbazariBethesda, MD 208141477048452
  2. Michael Berenhaus, O.D.Bethesda, MD 208141407905128
  3. Kevin Jackson, O.D.Bethesda, MD 208141588654115
  4. Marcie Lerner, O.D.Bethesda, MD 208141841241395
  5. Burt Mazia, O.D.Bethesda, MD 208141659447548
  6. Ralph Teunis, O.D.Bethesda, MD 208141265588354
  7. Michael Weitz, O.D.Bethesda, MD 208141275693889
  8. Mehrnaz Azimi Green, O.D.Chevy Chase, MD 208151124243860

Common questions

What is Gregory Katchuk, OD's NPI number?

Gregory Katchuk, OD's National Provider Identifier (NPI) is 1023190030, issued on Oct 19, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Gregory Katchuk, OD located?

The NPPES record lists a practice address at 4300 East West Highway, Bethesda, MD, 20814. Phone: (301) 656-0775. Providers update this record themselves, so call before visiting.

How can I verify Gregory Katchuk, OD's license?

NPPES lists Maryland license number TA-1679, as entered by the provider. Search the Maryland board that licenses this profession; the NPPES record confirms identity only.

How much does Gregory Katchuk, OD prescribe under Medicare Part D?

In 2024, Gregory Katchuk, OD had 40 Medicare Part D claims for 14 beneficiaries; the average among optometrist 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.

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.