NPPES file of Aug 9, 2026

Lawrence L. Northorn, D.O.

Family Medicine Physician · East Islip, NY

Lawrence L. Northorn, D.O. is a family medicine physician with a practice address in East Islip, New York, and NPI 1992763585, issued on May 3, 2006. Check the license (New York 233269, 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 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1992763585
Name
Lawrence L. Northorn
Credential
D.O.
Primary taxonomy
Family Medicine Physician 207Q00000X
License number
233269 NY
Self-reported in NPPES; status is on the state search
Practice location
126 E Main St Ste 1, East Islip, NY 11730
Phone
(631) 581-0090
Enumerated
May 3, 2006
Record last updated
Oct 14, 2011 (not updated in 15 years: call before relying on the address or phone)
Fax
(631) 581-2879
Medicare enrollment
Enrolled (PECOS I20071106000226); accepts Medicare assignment
Medical or professional school
New York College Of Osteo Medicine Of New York Institute Of Technology, 2003
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 126 E Main St Ste 1

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

  1. Solaiman ChowdhuryInternal Medicine Physician1053763458
  2. Nicole Darrow, D.O.Family Medicine Physician1134196041

Verify Lawrence L. Northorn 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 233269
    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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2.1 times the Medicare Part D claims of the average family medicine physician in 2024

7,564 Medicare Part D claims for 713 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 9% of claims.

  1. Lawrence Northorn7,564
  2. Specialty average3,544

Most prescribed

  1. Atorvastatin Calcium455 claims
  2. Losartan Potassium310 claims
  3. Amlodipine Besylate306 claims
  4. Metoprolol Succinate286 claims
  5. Levothyroxine Sodium279 claims
  6. Hydrochlorothiazide258 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.

Industry payments in 2024: $1,297.26

60 payments; by number, the most common kind was food and beverage; the largest payer was GlaxoSmithKline, LLC. The 55,478 providers of this specialty with any payment received $902.55 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Lawrence Northorn$1,297.26
  2. Specialty average$902.55

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

Lawrence L. Northorn among 6,417 family medicine physician records in New York

Lawrence L. Northorn, D.O. is one of 6,417 family medicine physician records with a practice address in New York. 81% 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 9% of them.

  • NPI issued2006 · 9% of these records are older, 58% newer
  • In a Medicare fileYes · 81% of these records are
  • In the CMS Doctors and Clinicians fileYes · 65% of these records are
  • Graduated2003 · median 2007 among the 4,188 with a school on file
  • Record last updated2011 · 58% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

12 family medicine physician records list a practice address in East Islip

They are 12 of the 355 NPPES records with a practice address in East Islip, and 6,417 family medicine physician records in New York.

The 8 family medicine physician records with the nearest ZIP codes

  1. Stanley Blyskal, M.D.East Islip, NY 117301063443257
  2. Nicole Darrow, D.O.East Islip, NY 117301134196041
  3. James Ferguson, MDEast Islip, NY 117301730183013
  4. Salvatore Giantinoto, D.O.East Islip, NY 117301811969504
  5. James Higgins, D.O.East Islip, NY 117301083708697
  6. Michael Ladinsky, D.O.East Islip, NY 117301679504872
  7. Robert Maccone, MDEast Islip, NY 117301811080617
  8. Robert RuggieroEast Islip, NY 117301558392746

Common questions

What is Lawrence L. Northorn, D.O.'s NPI number?

Lawrence L. Northorn, D.O.'s National Provider Identifier (NPI) is 1992763585, issued on May 3, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Lawrence L. Northorn, D.O. located?

The NPPES record lists a practice address at 126 E Main St Ste 1, East Islip, NY, 11730. Phone: (631) 581-0090. Providers update this record themselves, so call before visiting.

How can I verify Lawrence L. Northorn, D.O.'s license?

NPPES lists New York license number 233269, 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 Lawrence L. Northorn, D.O. prescribe under Medicare Part D?

In 2024, Lawrence L. Northorn, D.O. had 7,564 Medicare Part D claims for 713 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.

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.