NPPES file of Aug 9, 2026

Mark Vincent Graytok, OD

Optometrist · Greensburg, PA

Mark Vincent Graytok, OD is an optometrist with a practice address in Greensburg, Pennsylvania, and NPI 1952373318, issued on Feb 1, 2006. Check the license (Pennsylvania OEG001356, as entered in NPPES) with the Pennsylvania 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
1952373318
Name
Mark Vincent Graytok
Credential
OD
Primary taxonomy
Optometrist 152W00000X
License number
OEG001356 PA
Self-reported in NPPES; status is on the state search
Practice location
235 Humphrey RD, Greensburg, PA 15601
Phone
(724) 834-8033
Enumerated
Feb 1, 2006
Record last updated
Jun 28, 2013 (not updated in 13 years: call before relying on the address or phone)
Fax
(724) 834-4290
Medicaid ID
0011668350003 PA
Medicare enrollment
Enrolled (PECOS I20050330000846); accepts Medicare assignment
Medical or professional school
Pennsylvania College Of Optometry, 1988
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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Verify Mark Vincent Graytok in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Pennsylvania board licenses this profession
    Search for license OEG001356
    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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2% more Medicare Part D claims than the average optometrist in 2024

283 Medicare Part D claims for 78 beneficiaries, against an average of 277 among the 33,128 providers of this specialty who prescribed in Part D. Brand-name drugs were 36% of claims.

  1. Mark Graytok283
  2. Specialty average277

Most prescribed

  1. Latanoprost103 claims
  2. Neomycin-Polymyxin-Dexameth52 claims
  3. Xiidra22 claims
  4. Lumigan17 claims
  5. Prednisolone Acetate17 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: $663.72

23 payments; by number, the most common kind was food and beverage; the largest payer was Alcon Vision LLC. 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. Mark Graytok$663.72
  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.

Bills Medicare through one group practice

  1. Graytok Family Vision CareGreensburg, PA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Mark Vincent Graytok among 2,640 optometrist records in Pennsylvania

Mark Vincent Graytok, OD is one of 2,640 optometrist records with a practice address in Pennsylvania. 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 14% of them.

  • NPI issued2006 · 14% of these records are older, 48% newer
  • In a Medicare fileYes · 72% of these records are
  • In the CMS Doctors and Clinicians fileYes · 60% of these records are
  • Graduated1988 · median 2004 among the 1,588 with a school on file
  • Record last updated2013 · 69% 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 Pennsylvania practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

26 optometrist records list a practice address in Greensburg

They are 26 of the 1,688 NPPES records with a practice address in Greensburg, and 2,640 optometrist records in Pennsylvania.

The 8 optometrist records with the nearest ZIP codes

  1. Jeffrey Begg, O.D.Greensburg, PA 156011598740847
  2. Edward Brajdic, O.D.Greensburg, PA 156011982617379
  3. Janice Frederickson, O.DGreensburg, PA 156011124023619
  4. Chad GreenGreensburg, PA 156011700886942
  5. Lori Kurutz, O.D.Greensburg, PA 156011851477269
  6. Richard Lappen, O.D.Greensburg, PA 156011922141746
  7. Rhonda Laughlin, ODGreensburg, PA 156011053373993
  8. Evan Lowry, O.D.Greensburg, PA 156011710965181

Common questions

What is Mark Vincent Graytok, OD's NPI number?

Mark Vincent Graytok, OD's National Provider Identifier (NPI) is 1952373318, issued on Feb 1, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Mark Vincent Graytok, OD located?

The NPPES record lists a practice address at 235 Humphrey RD, Greensburg, PA, 15601. Phone: (724) 834-8033. Providers update this record themselves, so call before visiting.

How can I verify Mark Vincent Graytok, OD's license?

NPPES lists Pennsylvania license number OEG001356, as entered by the provider. Search the Pennsylvania board that licenses this profession; the NPPES record confirms identity only.

How much does Mark Vincent Graytok, OD prescribe under Medicare Part D?

In 2024, Mark Vincent Graytok, OD had 283 Medicare Part D claims for 78 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.