NPPES file of Aug 9, 2026

Laurence Eric Mermelstein, M.D.

Orthopaedic Surgery of the Spine Physician · Commack, NY

Laurence Eric Mermelstein, M.D. is an orthopaedic surgery of the spine physician with a practice address in Commack, New York, and NPI 1326062332, issued on Jul 26, 2006. Check the license (New York 203037, as entered in NPPES) on the NYS Education Department, Office of the Professions; 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
1326062332
Name
Laurence Eric Mermelstein
Credential
M.D.
Primary taxonomy
Orthopaedic Surgery of the Spine Physician 207XS0117X
License number
203037 NY
Self-reported in NPPES; status is on the state search
Practice location
763 Larkfield RD, Commack, NY 11725
Phone
(631) 462-2225
Enumerated
Jul 26, 2006
Record last updated
Feb 28, 2008 (not updated in 18 years: call before relying on the address or phone)
Fax
(631) 462-2240
Medicare enrollment
Enrolled (PECOS I20040830000363); accepts Medicare assignment
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 763 Larkfield RD

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

  1. Arjang Abbasi, D.O.Pain Medicine (Physical Medicine & Rehabilitation) Physician1942214044
  2. Sushil Basra, MDOrthopaedic Surgery of the Spine Physician1295948115
  3. Thomas Dowling, M.D.Orthopaedic Surgery of the Spine Physician1336163344
  4. Vito Fodera, M.D.Neuroradiology Physician1376818039
  5. Christopher Frendo, DOOrthopaedic Surgery of the Spine Physician1043390917
  6. Scott Gressin, P.A.Surgical Physician Assistant1225052277

Verify Laurence Eric Mermelstein in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersNYS Education Department, Office of the Professions
    Search for license 203037
    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 York license search

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34% fewer Medicare Part D claims than the average orthopaedic surgery of the spine physician in 2024

250 Medicare Part D claims for 126 beneficiaries, against an average of 381 among the 1,714 providers of this specialty who prescribed in Part D. 41 claims were for opioids.

  1. Laurence Mermelstein250
  2. Specialty average381

Most prescribed

  1. Gabapentin88 claims
  2. Celecoxib40 claims
  3. Methylprednisolone26 claims
  4. Tramadol Hcl17 claims
  5. Meloxicam14 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): 50.1 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 score0.0
  2. Costout of 100 · 30%67.1
  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: $637.79

23 payments; by number, the most common kind was food and beverage; the largest payer was Globus Medical, Inc. The 1,726 providers of this specialty with any payment received $34,071.55 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Laurence Mermelstein$638
  2. Specialty average$34,072

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. Chs Physician Partners PCRoslyn, NY
  2. Long Island Spine Specialists PCHuntington, NY

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

Laurence Eric Mermelstein among 167 orthopaedic surgery of the spine physician records in New York

Laurence Eric Mermelstein, M.D. is one of 167 orthopaedic surgery of the spine physician records with a practice address in New York. 86% 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 11% of them.

  • NPI issued2006 · 11% of these records are older, 50% newer
  • In a Medicare fileYes · 86% of these records are
  • In the CMS Doctors and Clinicians fileYes · 69% of these records are
  • Graduated1990 · median 2002 among the 116 with a school on file
  • Record last updated2008 · 62% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207XS0117X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Orthopaedic Surgery of the Spine Physician providers in New York

There are 167 orthopaedic surgery of the spine physician records in New York.

The 8 orthopaedic surgery of the spine physician records with the nearest ZIP codes

  1. Sushil Basra, MDCommack, NY 117251295948115
  2. Thomas Dowling, M.D.Commack, NY 117251336163344
  3. Thomas DowlingCommack, NY 117251265964910
  4. Christopher Frendo, DOCommack, NY 117251043390917
  5. Hargovind Dewal, MDEast Setauket, NY 117331265453104
  6. Brian Morelli, MDEast Setauket, NY 117331750561494
  7. Ivan Zapolsky, M.D., M.S.East Setauket, NY 117331982136016
  8. Daniel Brandenstein, DOBay Shore, NY 117061831221415

Common questions

What is Laurence Eric Mermelstein, M.D.'s NPI number?

Laurence Eric Mermelstein, M.D.'s National Provider Identifier (NPI) is 1326062332, issued on Jul 26, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Laurence Eric Mermelstein, M.D. located?

The NPPES record lists a practice address at 763 Larkfield RD, Commack, NY, 11725. Phone: (631) 462-2225. Providers update this record themselves, so call before visiting.

How can I verify Laurence Eric Mermelstein, M.D.'s license?

NPPES lists New York license number 203037, as entered by the provider. Search the NYS Education Department, Office of the Professions at https://www.op.nysed.gov/services/verifications/online-verification-searches. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Laurence Eric Mermelstein, M.D. prescribe under Medicare Part D?

In 2024, Laurence Eric Mermelstein, M.D. had 250 Medicare Part D claims for 126 beneficiaries; the average among orthopaedic surgery of the spine physician prescribers was 381. Part D covers Medicare prescriptions only.

What is Laurence Eric Mermelstein, M.D.'s MIPS final score?

The 2023 MIPS final score is 50.1 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.