NPPES file of Aug 9, 2026

Mary E. Mendelsohn, MD

Ophthalmology Physician · Woodcliff Lake, NJ

Mary E. Mendelsohn, MD is an ophthalmology physician with a practice address in Woodcliff Lake, New Jersey, and NPI 1720161888, issued on Oct 23, 2006. Check the license (New Jersey 25MA06492200, 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
1720161888
Name
Mary E. Mendelsohn
Credential
MD
Primary taxonomy
Ophthalmology Physician 207W00000X
License number
25MA06492200 NJ
Self-reported in NPPES; status is on the state search
Practice location
577 Chestnut Ridge RD, Woodcliff Lake, NJ 07677
Phone
(201) 782-1700
Enumerated
Oct 23, 2006
Record last updated
Apr 1, 2014 (not updated in 12 years: call before relying on the address or phone)
Fax
(201) 782-1749
Medicare enrollment
Enrolled (PECOS I20050823000215); accepts Medicare assignment
Medical or professional school
State University Of New York At Stony Brook, School Of Medicine, 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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Also registered at 577 Chestnut Ridge RD

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

  1. Michael Betsy, M.D.Orthopaedic Surgery Physician1508954496
  2. Kristi Daniel, D.CChiropractor1841425733
  3. Gayle Grossman-Alweiss, MDOphthalmology Physician1376755066
  4. Grace Kim, DACM, L.AC.Acupuncturist1912335001
  5. Elizabeth Roche, M.D.Anesthesiology Physician1861452229
  6. Mark Samani, D.M.D.Prosthodontics1477582500

Verify Mary E. Mendelsohn 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 25MA06492200
    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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34% fewer Medicare Part D claims than the average ophthalmology physician in 2024

995 Medicare Part D claims for 253 beneficiaries, against an average of 1,518 among the 16,459 providers of this specialty who prescribed in Part D. Brand-name drugs were 38% of claims.

  1. Mary Mendelsohn995
  2. Specialty average1,518

Most prescribed

  1. Timolol Maleate89 claims
  2. Bromfenac Sodium65 claims
  3. Latanoprost63 claims
  4. Neomycin-Polymyxin-Dexameth63 claims
  5. Lumigan61 claims
  6. Tobramycin-Dexamethasone61 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): 78.2 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 score99.3
  2. Costout of 100 · 30%28.4
  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: $648.75

30 payments; by number, the most common kind was food and beverage; the largest payer was Biotissue Holdings Inc. 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. Mary Mendelsohn$648.75
  2. Specialty average$4,535.02

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. Woodcliff Lake Ophthalmology, LLP.Woodcliff Lake, NJ

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

Mary E. Mendelsohn among 631 ophthalmology physician records in New Jersey

Mary E. Mendelsohn, MD 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 2006, is newer than 18% of them.

  • NPI issued2006 · 18% of these records are older, 30% 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 updated2014 · 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 Woodcliff Lake

They are 4 of the 137 NPPES records with a practice address in Woodcliff Lake, and 631 ophthalmology physician records in New Jersey.

The 8 ophthalmology physician records with the nearest ZIP codes

  1. Gayle Grossman-Alweiss, MDWoodcliff Lake, NJ 076771376755066
  2. Frank Rini, MDWoodcliff Lake, NJ 076771043295884
  3. Alyson Yashar, M.D.Woodcliff Lake, NJ 076771639252794
  4. Glen Bianchi, MDWestwood, NJ 076751780636019
  5. Patrick Chin, MDWestwood, NJ 076751396702783
  6. Michael Fleischer, MDWestwood, NJ 076751588621973
  7. Jeffrey Kaiden, MDWestwood, NJ 076751871559005
  8. Jung Lee, M.D.Westwood, NJ 076751093733156

Common questions

What is Mary E. Mendelsohn, MD's NPI number?

Mary E. Mendelsohn, MD's National Provider Identifier (NPI) is 1720161888, issued on Oct 23, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Mary E. Mendelsohn, MD located?

The NPPES record lists a practice address at 577 Chestnut Ridge RD, Woodcliff Lake, NJ, 07677. Phone: (201) 782-1700. Providers update this record themselves, so call before visiting.

How can I verify Mary E. Mendelsohn, MD's license?

NPPES lists New Jersey license number 25MA06492200, 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 Mary E. Mendelsohn, MD prescribe under Medicare Part D?

In 2024, Mary E. Mendelsohn, MD had 995 Medicare Part D claims for 253 beneficiaries; the average among ophthalmology physician prescribers was 1,518. Part D covers Medicare prescriptions only.

What is Mary E. Mendelsohn, MD's MIPS final score?

The 2023 MIPS final score is 78.2 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.