DR. LAWRENCE A WALSER M.D. NPI 1669486023

NPI Information

NPI: 1669486023
Provider Name: DR. LAWRENCE A WALSER, M.D.
Classification: Internal Medicine - 207RP1001X
Specialization: Pulmonary Disease
Entity Type: Individual
PECOS Registration: Yes
Address: 185 OLD COUNTRY RD
SUITE 3
RIVERHEAD, NY
ZIP 11901
Phone: (631) 727-2523

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NPI Details

DR. Lawrence A Walser, M.D. is a pulmonary disease internal medicine in Riverhead, NY with 47 years of experience. The provider is an internist who treats diseases of the lungs and airways. The pulmonologist diagnoses and treats cancer, pneumonia, pleurisy, asthma, occupational and environmental diseases, bronchitis, sleep disorders, emphysema and other complex disorders of the lungs. DR. Lawrence A Walser, M.D. NPI is 1669486023. The provider is registered as an individual entity type.

The NPPES NPI record indicates the provider is a male.

Education
Medical School: STATE UNIVERSITY OF NEW YORK DOWNSTATE MEDICAL CENTER
Graduation Year:1979

The provider's business location address is:

185 OLD COUNTRY RD
SUITE 3
RIVERHEAD, NY
ZIP 11901-121
Phone: (631) 727-2523
Fax: (631) 727-7353

The NPI 1669486023 is registered in the Medicare Provider, Enrollment, Chain and Ownership System (PECOS). The provider is legally eligible to order and refer Part B (Clinical Laboratory and Imaging), Durable Medical Equipment, Part A Home Health Agency (HHA), Power Mobility Devices.

The following top HCPCS codes were publicly reported for this provider under the Medicare program for the year 2016. The reported codes are based on the top codes for each available Medicare specialty, excluding evaluation and management codes.

Critical care, first 30-74 minutes (HCPCS:99291)
Follow-up hospital inpatient care per day, typically 25 minutes (HCPCS:99232)
Initial hospital inpatient care per day, typically 70 minutes (HCPCS:99223)
Follow-up hospital inpatient care per day, typically 35 minutes (HCPCS:99233)
Initial hospital inpatient care per day, typically 50 minutes (HCPCS:99222)
Follow-up hospital inpatient care per day, typically 15 minutes (HCPCS:99231)

The enumeration date for this NPI number is 7/28/2006 and was last updated on 6/8/2011.

Taxonomy Codes

The NPI record includes the healthcare provider taxonomy classification, state license number and state of licensure. The following information regarding the scope of practice of this provider is available:

No.	Taxonomy Code	Taxonomy Clasification	Taxonomy Specialization	License Number	License State	Primary
1	207RC0200X	Internal Medicine	Critical Care Medicine	149921	NEW YORK	No
2	207RP1001X	Internal Medicine	Pulmonary Disease	149921	NEW YORK	Yes

Other Identifiers

The following information regarding additional identifiers associated to this NPI record includes the other identifier number, identifier type, identifier state and issuer.

No.	Other Provider Identifier	Other Provider Identifier Type	Other Provider Identifier State
1	17D682	MEDICARE ID-TYPE UNSPECIFIED	NEW YORK
2	C06238	MEDICARE UPIN	NEW YORK
3	00828533	MEDICAID	NEW YORK

What is NPI?

NPI stands for National Provider Identifier. The NPI is a 10-digit identification number that is completely unique. The NPI number by itself does not contain any identifiable information such as a provider’s speciality or location. The NPI is assigned to individuals or organizacions for their lifespan and it is independent of key provider information type updates like a change of practices, location or speciality.

This page was last updated on: 11/21/2025

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