Lawrence A. Walser, M.D.
Pulmonary Disease Physician · Riverhead, NY
Lawrence A. Walser, M.D. is a pulmonary disease physician with a practice address in Riverhead, New York, and NPI 1669486023, issued on Jul 28, 2006. Check the license (New York 149921, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.
- Name
- Lawrence A. Walser
- Credential
- M.D.
- Primary taxonomy
- Pulmonary Disease Physician 207RP1001X
- License number
- 149921 NY
Self-reported in NPPES; status is on the state search - Practice location
- 185 Old Country RD, Riverhead, NY 11901
- Phone
- (631) 727-2523
- Enumerated
- Jul 28, 2006
- Record last updated
- Jun 8, 2011 (not updated in 15 years: call before relying on the address or phone)
- Fax
- (631) 727-7353
- Medicaid ID
- 00828533 NY
- Medicare enrollment
- Enrolled (PECOS I20040612000257); accepts Medicare assignment
- Medical or professional school
- State University Of New York Downstate Medical Center, 1979
- Entity
- Type 1 · individual
8 nearest pulmonary disease physician records → All 1,230 in New York → Look up another NPI →
Also registered at 185 Old Country RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Vincent Barry, PT DPTPhysical Therapist1982790549
- Joan Becht, RN,ANP-BC,CPNPAdult Health Nurse Practitioner1568770238
- Rebecca Manwaring, PTPhysical Therapist1538255195
- Michael Sampson, M.D.Pulmonary Disease Physician1982788428
- John Scalamandre, PT DPTPhysical Therapist1073609632
Verify Lawrence A. Walser in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNYS Education Department, Office of the Professions
Search for license 149921Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Industry payments in 2024: $23.88
1 payment: food and beverage; the largest payer was Abiomed. The 8,806 providers of this specialty with any payment received $5,159.88 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
- Central Suffolk HospitalRiverhead, NY
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Lawrence A. Walser among 1,230 pulmonary disease physician records in New York
Lawrence A. Walser, M.D. is one of 1,230 pulmonary disease physician records with a practice address in New York. 87% 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, 47% newer
- In a Medicare fileYes · 87% of these records are
- In the CMS Doctors and Clinicians fileYes · 77% of these records are
- Graduated1979 · median 1999 among the 943 with a school on file
- Record last updated2011 · 60% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RP1001X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Pulmonary Disease Physician providers in New York
There are 1,230 pulmonary disease physician records in New York.
All 1,230 in New York → Every provider in Riverhead → Pulmonary Disease Physician nationwide →
The 8 pulmonary disease physician records with the nearest ZIP codes
- Wayne Bellucci, M.D.Riverhead, NY 119011689856999
- Norman Lee, M.B.B.S.Riverhead, NY 119011144678228
- Daniel Massiah, M.D.Riverhead, NY 119011063485969
- Michael Sampson, M.D.Riverhead, NY 119011982788428
- Muneer Imam, M.D.Center Moriches, NY 119341144394826
- Ranjana Mehta, MDEast Moriches, NY 119401407942147
- Devendra Singh, MDEast Moriches, NY 119401336235084
- Negin Hajizadeh, MD, MPHGreenport, NY 119441760479190
Common questions
What is Lawrence A. Walser, M.D.'s NPI number?
Lawrence A. Walser, M.D.'s National Provider Identifier (NPI) is 1669486023, issued on Jul 28, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Lawrence A. Walser, M.D. located?
The NPPES record lists a practice address at 185 Old Country RD, Riverhead, NY, 11901. Phone: (631) 727-2523. Providers update this record themselves, so call before visiting.
How can I verify Lawrence A. Walser, M.D.'s license?
NPPES lists New York license number 149921, 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.
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.