NPPES file of Aug 9, 2026

Douglas Lax, DO

Nephrology Physician · Rockville Centre, NY

Douglas Lax, DO is a nephrology physician with a practice address in Rockville Centre, New York, and NPI 1093790800, issued on Dec 14, 2005. Check the license (New York 158526, 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
1093790800
Name
Douglas Lax
Credential
DO
Primary taxonomy
Nephrology Physician 207RN0300X
License number
158526 NY
Self-reported in NPPES; status is on the state search
Practice location
242 Merrick RD, Rockville Centre, NY 11570
Phone
(516) 764-7070
Enumerated
Dec 14, 2005
Record last updated
Oct 30, 2009 (not updated in 17 years: call before relying on the address or phone)
Fax
(516) 764-7073
Medicaid ID
01085592 NY
Medicare enrollment
Enrolled (PECOS I20100922001057); accepts Medicare assignment
Medical or professional school
New York College Of Osteo Medicine Of New York Institute Of Technology, 1983
Telehealth
Offers telehealth (CMS)
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.
Download card Updates feed

Also registered at 242 Merrick RD

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

  1. Varvara Alexiadis, MDEndocrinology, Diabetes & Metabolism Physician1033462684
  2. Timothy Chen, M.D.Cardiovascular Disease Physician1720079056
  3. Lyndsey Chernick, NPFamily Nurse Practitioner1477934917
  4. Micky Chun, MDNephrology Physician1306821434
  5. Stephen Covey, M.D.Cardiovascular Disease Physician1114917804
  6. Marjory David, FNPFamily Nurse Practitioner1801996335

Verify Douglas Lax 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 158526
    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

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

Is this page about you? You can ask us to correct, restrict or remove it: how.

95% more Medicare Part D claims than the average nephrology physician in 2024

2,863 Medicare Part D claims for 453 beneficiaries, against an average of 1,465 among the 10,986 providers of this specialty who prescribed in Part D. Brand-name drugs were 22% of claims. 29 claims were for opioids.

  1. Douglas Lax2,863
  2. Specialty average1,465

Most prescribed

  1. Amlodipine Besylate156 claims
  2. Farxiga119 claims
  3. Furosemide93 claims
  4. Torsemide90 claims
  5. Calcitriol85 claims
  6. Losartan Potassium77 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: $1,475.09

66 payments; by number, the most common kind was food and beverage; the largest payer was AstraZeneca Pharmaceuticals LP. The 8,230 providers of this specialty with any payment received $3,091.37 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Douglas Lax$1,475.09
  2. Specialty average$3,091.37

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. Prine Health Medical Group, PLLCBayside, NY

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

Douglas Lax among 1,049 nephrology physician records in New York

Douglas Lax, DO is one of 1,049 nephrology physician records with a practice address in New York. 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, 89% newer
  • In a Medicare fileYes · 85% of these records are
  • In the CMS Doctors and Clinicians fileYes · 73% of these records are
  • Graduated1983 · median 1999 among the 764 with a school on file
  • Record last updated2009 · 64% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RN0300X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Nephrology Physician providers in New York

There are 1,049 nephrology physician records in New York.

The 8 nephrology physician records with the nearest ZIP codes

  1. Micky Chun, MDRockville Centre, NY 115701306821434
  2. Brian Erlich, DORockville Centre, NY 115701639172547
  3. John Ioannou, M.D.Rockville Centre, NY 115701851330328
  4. Lawrence Kleinman, MDRockville Centre, NY 115701285619098
  5. Norma Wenger, MDRockville Centre, NY 115701427035971
  6. James McGee, MD, MSCROceanside, NY 115721114487394
  7. Lance Rubel, MDRoslyn, NY 115761568406460
  8. Robert Rosen, M.D.Long Beach, NY 115611275714776

Common questions

What is Douglas Lax, DO's NPI number?

Douglas Lax, DO's National Provider Identifier (NPI) is 1093790800, issued on Dec 14, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Douglas Lax, DO located?

The NPPES record lists a practice address at 242 Merrick RD, Rockville Centre, NY, 11570. Phone: (516) 764-7070. Providers update this record themselves, so call before visiting.

How can I verify Douglas Lax, DO's license?

NPPES lists New York license number 158526, 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 Douglas Lax, DO prescribe under Medicare Part D?

In 2024, Douglas Lax, DO had 2,863 Medicare Part D claims for 453 beneficiaries; the average among nephrology physician prescribers was 1,465. 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.