WILLIAM PRESKENIS MD
NPI 1104803808
Internal Medicine - Pulmonary Disease in Glastonbury, CT

Active since December 23, 2005PECOS EnrolledAccepts Medicare Assignment
27 SYCAMORE ST, STE 100, PRIME HEALTHCARE, GLASTONBURY, CT 06033(860) 659-0581(860) 652-3077 Get Directions Write a Review

NPPES record last updated: March 7, 2023. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: Mar 7, 2023, Jun 21, 2021 (2 updates tracked since 2021).

About William Preskenis Md NPPES

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

WILLIAM PRESKENIS MD (NPI 1104803808) is an individual pulmonary disease provider in Glastonbury, Connecticut, licensed in Connecticut (026608) and active in the NPI registry since December 2005. He is enrolled in Medicare PECOS and is a graduate of Saint Louis University School Of Medicine (1983).

NPPES Registry Identity

NPI1104803808
Entity TypeIndividualMale
Primary Taxonomy207RP1001X
Provider Legal NameWILLIAM PRESKENISCredential: MD
Location Address27 SYCAMORE ST, STE 100, PRIME HEALTHCAREGlastonbury, CT 06033-2223
Mailing Address30 Jordan Ln, Prime HealthcareWethersfield, CT 06109-1278 · (860) 263-0253 · Fax (860) 263-0262
Fax(860) 652-3077
Sole ProprietorNo
Medical School CMSSaint Louis University School Of MedicineGraduated 1983
Enumeration DateDecember 23, 2005
Last NPPES UpdateMarch 7, 20232 updates tracked since enumeration
NPPES CertifiedJune 21, 2021
NPI 1104803808 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyInternal Medicine · Pulmonary DiseaseAllopathic & Osteopathic Physicians
Taxonomy Code207RP1001X
License Licensed in CT · 026608
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.
27 SYCAMORE ST, Glastonbury, CT 06033

Other Identifiers 3

Other010026608CT01CT · Bcbs
Other026608CT · Medical License
Medicaid001266081CT

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 Preskenis 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 ID9133218993
PECOS Enrollment IDI20091201000661
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 11

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.
746 services346 patients
Test to measure expiratory airflow and volume 94010
This test, known as spirometry, assesses how well your lungs work. It measures how much air you can inhale, how much you can exhale and how quickly you can exhale. It's non-invasive and helps diagnose conditions like asthma or COPD.
314 services206 patients
Test to examine how well the lungs exchange gases 94729
This is a test called a pulmonary function test, which helps understand the efficiency of your lungs. It measures how much air your lungs can hold, how quickly you can move air in and out of your lungs, and how well your lungs put oxygen into and remove carbon dioxide from your blood.
101 services92 patients
Test to determine lung volumes using gas dilution or washout 94727
This test measures lung volumes by either diluting or washing out a known amount of gas in your lungs. You'll breathe in a harmless gas, then exhale. The exhaled air is analyzed to assess your lung capacity and function.
94 services86 patients
Sleep study including heart rate, breathing, and sleep time 95800
A sleep study monitors your sleep patterns to evaluate your sleep quality. It records your heart rate, breathing, and actual sleep time. This information helps identify any sleep disorders, ensuring you get the rest you need for optimal health.
59 services59 patients
New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204
This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.
46 services46 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 06033 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
$138.84 typical visit price
range $60.82 – $183.10
Typical copayment $34.71 (range $15.20 – $45.77)
Most-billed visit code 99204
Established Patient
$106.68 typical visit price
range $19.76 – $149.26
Typical copayment $26.67 (range $4.94 – $37.31)
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 29

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

Tubing with integrated heating element for use with positive airway pressure device A4604
DME-Other DME · category DE001N
13 suppliers457 claims457 services$33.41 avg. paid by Medicare
Administration set, with small volume nonfiltered pneumatic nebulizer, disposable A7003
DME-Other DME · category DE000N
3 suppliers15 claims28 services$1.72 avg. paid by Medicare
Full face mask used with positive airway pressure device, each A7030
DME-Other DME · category DE001N
13 suppliers263 claims263 services$75.20 avg. paid by Medicare
Face mask interface, replacement for full face mask, each A7031
DME-Other DME · category DE001N
13 suppliers260 claims681 services$29.37 avg. paid by Medicare
Cushion for use on nasal mask interface, replacement only, each A7032
DME-Other DME · category DE001N
10 suppliers158 claims845 services$15.33 avg. paid by Medicare
Pillow for use on nasal cannula type interface, replacement only, pair A7033
DME-Other DME · category DE001N
11 suppliers127 claims687 services$12.68 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 9

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

Internal Medicine (Cardiovascular Disease)
27 SYCAMORE ST, SUITE 400
GLASTONBURY, CT 06033
Internal Medicine (Cardiovascular Disease)
27 SYCAMORE ST, SUITE 400
GLASTONBURY, CT 06033
Nurse Practitioner (Adult Health)
27 SYCAMORE ST, PRIME HEALTHCARE, STE 100
GLASTONBURY, CT 06033
Nurse Practitioner (Family)
27 SYCAMORE ST
GLASTONBURY, CT 06033
Internal Medicine (Pulmonary Disease)
27 SYCAMORE ST
GLASTONBURY, CT 06033
Nurse Practitioner (Adult Health)
27 SYCAMORE ST, STE 100, PRIME HEALTHCARE
GLASTONBURY, CT 06033
Internal Medicine (Pulmonary Disease)
27 SYCAMORE ST, STE 100, PRIME HEALTHCARE
GLASTONBURY, CT 06033
Internal Medicine
27 SYCAMORE ST, STE 100, PRIME HEALTHCARE
GLASTONBURY, CT 06033

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 Preskenis's NPI number?

The NPI number for William Preskenis is 1104803808. It was assigned to this individual provider in the NPPES registry on December 23, 2005.

Where is William Preskenis located?

William Preskenis practices at 27 Sycamore St Ste 100, Prime Healthcare, Glastonbury, CT 06033. The listed phone number is (860) 659-0581.

What is William Preskenis's specialty?

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

Is William Preskenis enrolled in Medicare?

Yes. William Preskenis 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 William Preskenis was last updated on March 7, 2023. NPI Profile syncs with the weekly NPPES data releases published by CMS.