Steven Greenstein, MD
Single Specialty Group · Teaneck, NJ
Steven Greenstein, MD is a single specialty group with a practice address in Teaneck, New Jersey, and NPI 1255627501, issued on Jun 24, 2011. Check the license (New Jersey 25MA09903400, as entered in NPPES) with the New Jersey board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Steven Greenstein
- Credential
- MD
- Primary taxonomy
- Single Specialty Group 193400000X
- License number
- 25MA09903400 NJ
Self-reported in NPPES; status is on the state search - Practice location
- 300 Frank W Burr Blvd, Teaneck, NJ 07666
- Phone
- (201) 883-0505
- Enumerated
- Jun 24, 2011
- Record last updated
- Nov 2, 2018 (not updated in 8 years: call before relying on the address or phone)
- Fax
- (201) 692-9646
- Medicare enrollment
- Enrolled (PECOS I20161024001953); accepts Medicare assignment
- Medical or professional school
- Albert Einstein College Of Medicine Of Yeshiva University, 2011
- Entity
- Type 1 · individual
1 nearest single specialty group record → All 2 in New Jersey → Look up another NPI →
Also registered at 300 Frank W Burr Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Kristen Fry, O.D.Optometrist1497929707
- Peter Hersh, M.D.Specialist1366564346
- Becky Su, ODOptometrist1689305476
Verify Steven Greenstein in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich New Jersey board licenses this profession
Search for license 25MA09903400Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
6% more Medicare Part D claims than the average single specialty group in 2024
584 Medicare Part D claims for 143 beneficiaries, against an average of 549 among the 9 providers of this specialty who prescribed in Part D. Brand-name drugs were 42% of claims.
Most prescribed
- Moxifloxacin109 claims
- Prednisolone Acetate105 claims
- Valacyclovir45 claims
- Lumigan29 claims
- Loteprednol Etabonate28 claims
- Restasis24 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.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $1,441.59
18 payments; by number, the most common kind was food and beverage; the largest payer was Oculus, Inc. The 8 providers of this specialty with any payment received $603.67 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
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
- The Cornea And Laser Eye Institute, P.A.Teaneck, NJ
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Single Specialty Group providers in New Jersey
There are 2 single specialty group records in New Jersey.
All 2 in New Jersey → Every provider in Teaneck → Single Specialty Group nationwide →
The 1 single specialty group record with the nearest ZIP codes
- William Sugarmann, M.D.Somerville, NJ 088761982717880
Common questions
What is Steven Greenstein, MD's NPI number?
Steven Greenstein, MD's National Provider Identifier (NPI) is 1255627501, issued on Jun 24, 2011. An NPI identifies a provider in billing; it is not a license.
Where is Steven Greenstein, MD located?
The NPPES record lists a practice address at 300 Frank W Burr Blvd, Teaneck, NJ, 07666. Phone: (201) 883-0505. Providers update this record themselves, so call before visiting.
How can I verify Steven Greenstein, MD's license?
NPPES lists New Jersey license number 25MA09903400, as entered by the provider. Search the New Jersey board that licenses this profession; the NPPES record confirms identity only.
How much does Steven Greenstein, MD prescribe under Medicare Part D?
In 2024, Steven Greenstein, MD had 584 Medicare Part D claims for 143 beneficiaries; the average among single specialty group prescribers was 549. Part D covers Medicare prescriptions only.
What is Steven Greenstein, MD'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.