WILLIAM A GILMARTIN MD
NPI 1457454670
Internal Medicine in Hampton Bays, NY

Active since September 06, 2006PECOS EnrolledAccepts Medicare Assignment
98.52/100
CMS Quality Rating
182 WEST MONTAUK HWY, BLDG B SUITE H, HAMPTON BAYS, NY 11946(631) 723-0022 Get Directions Write a Review

NPPES record last updated: April 15, 2022. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About William A Gilmartin Md NPPES

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

WILLIAM A GILMARTIN MD (NPI 1457454670) is an individual internal medicine provider in Hampton Bays, New York, licensed in New York (227116) and active in the NPI registry since September 2006. He is enrolled in Medicare PECOS, is affiliated with Suny/stony Brook University Hospital, and is a graduate of Georgetown University School Of Medicine (1993).

NPPES Registry Identity

NPI1457454670
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameWILLIAM A GILMARTINCredential: MD
Location Address182 WEST MONTAUK HWY, BLDG B SUITE HHampton Bays, NY 11946
Mailing Address182 West Montauk Hwy, Bldg B Suite HHampton Bays, NY 11946 · (631) 723-0022
Sole ProprietorNo
Medical School CMSGeorgetown University School Of MedicineGraduated 1993
Enumeration DateSeptember 6, 2006
Last NPPES UpdateApril 15, 2022
NPPES CertifiedApril 15, 2022
NPI 1457454670 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License Licensed in NY · 227116
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
182 WEST MONTAUK HWY, Hampton Bays, NY 11946

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

William A Gilmartin Md 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 ID6305758442
PECOS Enrollment IDI20031105000629
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 10

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.

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
507 services306 patients
Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
325 services215 patients
Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit G0439
An annual wellness visit is a yearly appointment with your primary care provider to create or update a personalized prevention plan. This plan helps prevent illness based on your current health and risk factors. It's a subsequent visit, meaning it follows an initial assessment.
258 services258 patients
Administration of influenza virus vaccine G0008
The administration of the influenza virus vaccine, also known as the flu shot, is a simple procedure to protect against the flu. A healthcare provider injects a small dose of the vaccine into your arm. This stimulates your immune system to produce antibodies, which will help your body fight off the flu if exposed.
123 services120 patients
Influenza vaccine split virus, preservative free 90662
The Influenza Vaccine Split Virus, preservative-free, is a flu shot to protect against the influenza virus. It is made from parts of inactivated flu viruses and doesn't contain preservatives, reducing potential side effects. It helps your body develop immunity to the flu.
119 services116 patients
Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report 93000
An electrocardiogram (ECG) is a non-invasive test that records your heart's electrical activity. Using 12 leads attached to your body, it captures data to help identify heart conditions. A doctor interprets the results and provides a report.
111 services108 patients

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Suny/Stony Brook University Hospital

Acute Care Hospitals · Stony Brook, NY
4/5 CMS rating
OwnershipGovernment - State
CMS Certification Number330393
LocationHealth Sciences Center SunyStony Brook, NY 11794 · Suffolk County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 11946 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.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

98.52/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored through an Alternative Payment Model
Quality82.85
Promoting Interoperability100
Improvement Activities40

Referred Medical Equipment & Supplies CMS DME claims 2

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

Filter, disposable, used with positive airway pressure device A7038
DME-Other DME · category DE001N
4 suppliers11 claims66 services$1.62 avg. paid by Medicare
Continuous positive airway pressure (cpap) device E0601
DME-Other DME · category DE001N
2 suppliers13 claims13 services$29.70 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.

Clinic/Center (Radiology)
182 WEST MONTAUK HWY
HAMPTON BAYS, NY 11946
Internal Medicine
182 WEST MONTAUK HWY, BLDG B STE B
HAMPTON BAYS, NY 11946
Obstetrics & Gynecology
182 WEST MONTAUK HWY, SUITE B
HAMPTON BAYS, NY 11946
Internal Medicine
182 WEST MONTAUK HWY, BLDG B SUITE H
HAMPTON BAYS, NY 11946
Social Worker (Clinical)
182 WEST MONTAUK HWY, BLDG B SUITE B
HAMPTON BAYS, NY 11946
Obstetrics & Gynecology
182 WEST MONTAUK HWY, SUITE B
HAMPTON BAYS, NY 11946

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 William Gilmartin's NPI number?

The NPI number for William Gilmartin is 1457454670. It was assigned to this individual provider in the NPPES registry on September 6, 2006.

Where is William Gilmartin located?

William Gilmartin practices at 182 West Montauk Hwy Bldg B Suite H, Hampton Bays, NY 11946. The listed phone number is (631) 723-0022.

What is William Gilmartin's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is William Gilmartin enrolled in Medicare?

Yes. William Gilmartin 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.

Is William Gilmartin affiliated with any hospitals?

According to CMS data, William Gilmartin is affiliated with Suny/Stony Brook University Hospital.

When was this NPI record last updated?

The NPPES record for William Gilmartin was last updated on April 15, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.