NPPES file of Aug 9, 2026

Donald A. Greenfield, M.D.

Ophthalmology Physician · Millburn, NJ

Donald A. Greenfield, M.D. is an ophthalmology physician with a practice address in Millburn, New Jersey, and NPI 1477545481, issued on Aug 16, 2005. Check the license (New Jersey MA23035, 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
1477545481
Name
Donald A. Greenfield
Credential
M.D.
Primary taxonomy
Ophthalmology Physician 207W00000X
License number
MA23035 NJ
Self-reported in NPPES; status is on the state search
Practice location
288 Millburn Ave, Millburn, NJ 07041
Phone
(973) 912-9100
Enumerated
Aug 16, 2005
Record last updated
Jan 25, 2022
Fax
(973) 912-0800
Medicare enrollment
Enrolled (PECOS I20060113000500); accepts Medicare assignment
Medical or professional school
Temple University School Of Medicine, 1968
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 288 Millburn Ave

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

  1. Brandon Garces, O.D.Optometrist1295413979
  2. Rudolph Wagner, M.D.Ophthalmology Physician1366484222

Verify Donald A. Greenfield 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 MA23035
    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

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91% fewer Medicare Part D claims than the average ophthalmology physician in 2024

136 Medicare Part D claims for 45 beneficiaries, against an average of 1,518 among the 16,459 providers of this specialty who prescribed in Part D. Brand-name drugs were 25% of claims.

  1. Donald Greenfield136
  2. Specialty average1,518

Most prescribed

  1. Latanoprost76 claims
  2. Dorzolamide-Timolol27 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): 73.3 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 score44.9
  2. Costout of 100 · 30%47.7
  3. Promoting interoperabilityout of 100 · 25%83.0
  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).

Bills Medicare through 2 group practices

  1. Associated Retinal Consultants LLCMillburn, NJ
  2. University Physician Associates OF New Jersey IncNewark, NJ

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

Donald A. Greenfield among 631 ophthalmology physician records in New Jersey

Donald A. Greenfield, 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
  • Graduated1968 · median 1993 among the 454 with a school on file
  • Record last updated2022 · 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).

6 ophthalmology physician records list a practice address in Millburn

They are 6 of the 403 NPPES records with a practice address in Millburn, and 631 ophthalmology physician records in New Jersey.

The 8 ophthalmology physician records with the nearest ZIP codes

  1. Patrick Coady, MDMillburn, NJ 070411760736755
  2. Arthur Kern, MDMillburn, NJ 070411346252079
  3. David Newman, M.D.Millburn, NJ 070411639115850
  4. Gayle ShulmanMillburn, NJ 070411689615510
  5. Rudolph Wagner, M.D.Millburn, NJ 070411366484222
  6. Kathryn Childs, M.D.Montclair, NJ 070421023067741
  7. Samuel Duncan, M.D.Maplewood, NJ 070401063419810
  8. Brook Wiers, M.D.Montclair, NJ 070421346328481

Common questions

What is Donald A. Greenfield, M.D.'s NPI number?

Donald A. Greenfield, M.D.'s National Provider Identifier (NPI) is 1477545481, issued on Aug 16, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Donald A. Greenfield, M.D. located?

The NPPES record lists a practice address at 288 Millburn Ave, Millburn, NJ, 07041. Phone: (973) 912-9100. Providers update this record themselves, so call before visiting.

How can I verify Donald A. Greenfield, M.D.'s license?

NPPES lists New Jersey license number MA23035, 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 Donald A. Greenfield, M.D. prescribe under Medicare Part D?

In 2024, Donald A. Greenfield, M.D. had 136 Medicare Part D claims for 45 beneficiaries; the average among ophthalmology physician prescribers was 1,518. Part D covers Medicare prescriptions only.

What is Donald A. Greenfield, M.D.'s MIPS final score?

The 2023 MIPS final score is 73.3 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.