Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Dr. Lawrence A Walser, MD

Individual provider Critical Care Medicine (Internal Medicine) Physician · NPI 1669486023

Dr. Lawrence A Walser, MD is a Pulmonary Disease in Riverhead, New York. Graduated from State University of New York Downstate Medical Center in 1979, 47 years ago. Practices with Central Suffolk Hospital, a 91-clinician group and accepts Medicare assignment. Licensed in New York.

Years since qualifying
47
Trained at
State University of New York Downstate Medical Center
Licensed in
NY
In the registry since
2006
Specialties on file
2
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

185 Old Country Rd Ste 3
Riverhead, NY 11901-2121
Phone: (631) 727-2523
Fax: (631) 727-7353
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Pulmonary Disease Physician (primary) Taxonomy 207RP1001X · Licence 149921 (NY)
Critical Care Medicine (Internal Medicine) Physician Taxonomy 207RC0200X · Licence 149921 (NY)

Record details

NPI number1669486023
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJuly 28, 2006
Last updated in NPPESJune 8, 2011

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyPULMONARY DISEASE
Also practisesHOSPITALIST
Medical schoolSTATE UNIVERSITY OF NEW YORK DOWNSTATE MEDICAL CENTER
Graduated 1979 (47 years in practice)
Group practice Central Suffolk Hospital — 91 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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