NPPES file of Aug 9, 2026

Douglas K. Grayson, M.D.

Ophthalmology Physician · Iselin, NJ

Douglas K. Grayson, M.D. is an ophthalmology physician with a practice address in Iselin, New Jersey, and NPI 1689674129, issued on Jul 27, 2005. Check the license (New Jersey 25MA06225100, as entered in NPPES) on the New Jersey State Board of Medical Examiners; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1689674129
Name
Douglas K. Grayson
Credential
M.D.
Primary taxonomy
Ophthalmology Physician 207W00000X
License numbers
25MA06225100 NJ
182736-1 NY
1827361 NY
Self-reported in NPPES; status is on the state search
Practice location
485A US Highway 1 S, Iselin, NJ 08830
Phone
(732) 750-0400
Enumerated
Jul 27, 2005
Record last updated
Apr 24, 2017 (not updated in 9 years: call before relying on the address or phone)
Fax
(732) 750-1507
Medicaid IDs
01486635 NY
6675808 NJ
Medicare enrollment
Enrolled (PECOS I20050519000792); accepts Medicare assignment
Medical or professional school
Warren Alpert Medical School Of Brown University, 1989
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 Douglas K. Grayson in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersNew Jersey State Board of Medical Examiners
    Search for license 25MA06225100
    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
Open the New Jersey license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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9.1 times the Medicare Part D claims of the average ophthalmology physician in 2024

13,868 Medicare Part D claims for 3,343 beneficiaries, against an average of 1,518 among the 16,459 providers of this specialty who prescribed in Part D. Brand-name drugs were 43% of claims.

  1. Douglas Grayson13,868
  2. Specialty average1,518

Most prescribed

  1. Prednisolone Acetate4,089 claims
  2. Moxifloxacin3,674 claims
  3. Latanoprost2,196 claims
  4. Timolol Maleate1,020 claims
  5. Dorzolamide-Timolol901 claims
  6. Lumigan353 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.

The practice group's MIPS final score for 2023 (Medicare payment program): 100 of 100

The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score100.0
  2. Costout of 100 · 30%100.0
  3. Promoting interoperabilitynot scored (reweighted)
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Industry payments in 2024: $56,951.21

110 payments; by number, the most common kind was food and beverage; the largest payer was Alcon Vision LLC. The 13,221 providers of this specialty with any payment received $4,535.02 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Douglas Grayson$56,951
  2. Specialty average$4,535

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

Bills Medicare through 2 group practices

  1. Omni Eye Specialists P AIselin, NJ
  2. Omni Eye Surgery OF New York PCNew York, NY

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

Douglas K. Grayson among 631 ophthalmology physician records in New Jersey

Douglas K. Grayson, M.D. is one of 631 ophthalmology physician records with a practice address in New Jersey. 85% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.

  • NPI issued2005 · 0% of these records are older, 82% newer
  • In a Medicare fileYes · 85% of these records are
  • In the CMS Doctors and Clinicians fileYes · 72% of these records are
  • Graduated1989 · median 1993 among the 454 with a school on file
  • Record last updated2017 · 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 207W00000X and a New Jersey practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

4 ophthalmology physician records list a practice address in Iselin

They are 4 of the 266 NPPES records with a practice address in Iselin, and 631 ophthalmology physician records in New Jersey.

The 8 ophthalmology physician records with the nearest ZIP codes

  1. Martin Fox, MDIselin, NJ 088301831264225
  2. Danielle Strauss, MDIselin, NJ 088301336378736
  3. Burton Wisotsky, M.D.Iselin, NJ 088301972594083
  4. Colleen Coleman, M.D.Monroe, NJ 088311215936836
  5. Wayne Grabowski, MDMonroe Township, NJ 088311588774046
  6. Noah Saipe, M.D.Monroe Township, NJ 088311902105141
  7. Joseph Shovlin, M.D.Monroe Twp, NJ 088311861450710
  8. Julia Sullivan Miller, MD PH DEdison, NJ 088371386651339

Common questions

What is Douglas K. Grayson, M.D.'s NPI number?

Douglas K. Grayson, M.D.'s National Provider Identifier (NPI) is 1689674129, issued on Jul 27, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Douglas K. Grayson, M.D. located?

The NPPES record lists a practice address at 485A US Highway 1 S, Iselin, NJ, 08830. Phone: (732) 750-0400. Providers update this record themselves, so call before visiting.

How can I verify Douglas K. Grayson, M.D.'s license?

NPPES lists New Jersey license number 25MA06225100, as entered by the provider. Search the New Jersey State Board of Medical Examiners at https://newjersey.mylicense.com/verification/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Douglas K. Grayson, M.D. prescribe under Medicare Part D?

In 2024, Douglas K. Grayson, M.D. had 13,868 Medicare Part D claims for 3,343 beneficiaries; the average among ophthalmology physician prescribers was 1,518. Part D covers Medicare prescriptions only.

What is Douglas K. Grayson, M.D.'s MIPS final score?

The 2023 MIPS final score is 100 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.

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.