DR. LAWRENCE A WALSER M.D.
NPI 1669486023
Internal Medicine - Pulmonary Disease in Riverhead, NY

Active since July 28, 2006PECOS EnrolledAccepts Medicare Assignment
185 OLD COUNTRY RD, SUITE 3, RIVERHEAD, NY 11901(631) 727-2523(631) 727-7353 Get Directions Write a Review

NPPES record last updated: June 8, 2011. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Dr. Lawrence A Walser M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. LAWRENCE A WALSER M.D. (NPI 1669486023) is an individual pulmonary disease provider in Riverhead, New York, licensed in New York (149921) and active in the NPI registry since July 2006. He is enrolled in Medicare PECOS and is a graduate of State University Of New York Downstate Medical Center (1979).

NPPES Registry Identity

NPI1669486023
Entity TypeIndividualMale
Primary Taxonomy207RP1001X
Provider Legal NameDR. LAWRENCE A WALSERCredential: M.D.
Location Address185 OLD COUNTRY RD, SUITE 3Riverhead, NY 11901-2121
Mailing Address185 Old Country Rd, Suite 3Riverhead, NY 11901-2121 · (631) 727-2523 · Fax (631) 727-7353
Fax(631) 727-7353
Sole ProprietorNo
Medical School CMSState University Of New York Downstate Medical CenterGraduated 1979
Enumeration DateJuly 28, 2006
Last NPPES UpdateJune 8, 2011
NPI 1669486023 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyInternal Medicine · Pulmonary DiseaseAllopathic & Osteopathic Physicians
Taxonomy Code207RP1001X
License Licensed in NY · 149921
Definition
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.
Also ListedInternal Medicine · Critical Care MedicineTaxonomy 207RC0200X · License 149921 (NY)
185 OLD COUNTRY RD, Riverhead, NY 11901

Other Identifiers 3

Medicare ID-Type Unspecified17D682NY
Medicare UPINC06238NY
Medicaid00828533NY

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Dr. Lawrence A Walser M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID5395727291
PECOS Enrollment IDI20040612000257
Eligible to Order & Refer Part B Labs & Imaging Durable Medical Equipment Home Health Agency Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 3

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232
Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.
57 services41 patients
Critical care, first 30-74 minutes 99291
Critical care involves immediate and constant attention by a team of specially-trained health professionals. It's for patients with life-threatening conditions, requiring first 30-74 minutes of intense monitoring and treatment.
42 services27 patients
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 99222
Initial hospital inpatient care is a service where a healthcare provider spends about 50 minutes per day overseeing your care while you're admitted in the hospital. This includes reviewing your health status, planning your treatment, and ensuring your safety and comfort.
28 services28 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 11901 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$154.28 typical visit price
range $67.40 – $203.53
Typical copayment $38.57 (range $16.85 – $50.88)
Most-billed visit code 99204
Established Patient
$117.62 typical visit price
range $21.66 – $164.45
Typical copayment $29.40 (range $5.41 – $41.11)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Referred Medical Equipment & Supplies CMS DME claims 9

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Sterile water, saline and/or dextrose, diluent/flush, 10 ml A4216
DME-Medical/Surgical Supplies · category DA000N
1 supplier11 claims1,010 services$0.38 avg. paid by Medicare
Urinary catheter anchoring device, adhesive skin attachment, each A4333
DME-Orthotic Devices · category DF000N
1 supplier11 claims11 services$2.15 avg. paid by Medicare
Indwelling catheter; foley type, two-way latex with coating (teflon, silicone, silicone elastomer, or hydrophilic, etc.), each A4338
DME-Orthotic Devices · category DF000N
1 supplier11 claims11 services$10.09 avg. paid by Medicare
Lubricant, per ounce A4402
DME-Orthotic Devices · category DF010N
1 supplier11 claims22 services$1.54 avg. paid by Medicare
Tracheostomy, inner cannula A4623
DME-Orthotic Devices · category DF000N
1 supplier11 claims330 services$6.10 avg. paid by Medicare
Tracheostomy care kit for established tracheostomy A4629
DME-Orthotic Devices · category DF000N
1 supplier11 claims330 services$4.50 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Other Providers at the Same Location NPPES 6

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Physical Therapist
185 OLD COUNTRY RD, SUITE 4
RIVERHEAD, NY 11901
Physical Therapist
185 OLD COUNTRY RD, SUITE 4
RIVERHEAD, NY 11901
Nurse Practitioner (Adult Health)
185 OLD COUNTRY RD, SUITE 2
RIVERHEAD, NY 11901
Clinic/Center (Physical Therapy)
185 OLD COUNTRY RD, SUITE 4
RIVERHEAD, NY 11901
Internal Medicine (Pulmonary Disease)
185 OLD COUNTRY RD, SUITE 3
RIVERHEAD, NY 11901
Physical Therapist
185 OLD COUNTRY RD, SUITE 4
RIVERHEAD, NY 11901

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Lawrence Walser's NPI number?

The NPI number for Lawrence Walser is 1669486023. It was assigned to this individual provider in the NPPES registry on July 28, 2006.

Where is Lawrence Walser located?

Lawrence Walser practices at 185 Old Country Rd Suite 3, Riverhead, NY 11901. The listed phone number is (631) 727-2523.

What is Lawrence Walser's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Pulmonary Disease, with taxonomy code 207RP1001X.

Is Lawrence Walser enrolled in Medicare?

Yes. Lawrence Walser is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

When was this NPI record last updated?

The NPPES record for Lawrence Walser was last updated on June 8, 2011. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.