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Dr. William R. Preskenis, MD
NPI1104803808PAC ID9133218993
- Medicare services, 2024
- 1,484
- Medicare patients, 2024
- 412
- Part D claims, 2024
- 2,317
- Publications
- 1
- Industry payments
- $24,230
- Practice address
- 30 Jordan Ln, Wethersfield, CT 06109
- Practice phone
- Call (860) 263-0253
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Prime Healthcare
Wethersfield, Connecticut
Find Dr. Preskenis' professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. William R. Preskenis is a pulmonologist in Wethersfield, Connecticut
Dr. Preskenis practices at Prime Healthcare in Wethersfield, Connecticut.
Dr. Preskenis' NPI, 1104803808, was assigned on December 23, 2005. Dr. Preskenis graduated from Saint Louis University School Of Medicine in 1983. Dr. Preskenis' Connecticut license number on file is 026608.
NPI and contact details
- NPI
- 1104803808NPI Registry (opens in a new tab)
- Medicare PAC ID
- 9133218993
- NPI enumeration date
- December 23, 2005
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (860) 263-0253
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 69
- Medical school graduation
- 1983
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. William R. Preskenis practices at Prime Healthcare in Wethersfield, Connecticut
Dr. Preskenis' primary practice is Prime Healthcare, at 30 Jordan Ln, Wethersfield, CT 06109 in Capitol County. The practice phone is (860) 263-0253.
- Prime Healthcare30 Jordan Ln, Wethersfield, CT 06109 · Capitol CountyPhone(860) 263-0253
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. William R. Preskenis is affiliated with 2 sites of care and 1 medical group
Dr. Preskenis' primary practice is Prime Healthcare in Wethersfield, Connecticut. The medical group on file is Prime Healthcare, PC. Dmand AI also links Dr. Preskenis to 1 more group practice or clinic, named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. William R. Preskenis' practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Preskenis practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Prime Healthcare | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. William R. Preskenis is one of 239 pulmonologists in Connecticut
Pulmonary disease is Dr. Preskenis' primary specialty in the NPI Registry, under taxonomy code 207RP1001X. Dr. Preskenis is board certified in internal medicine by the American Board of Internal Medicine. Dr. Preskenis has a license on file in Connecticut.
Specialties and state licenses
- Pulmonary disease, ConnecticutPrimary
Clinical focus
Dmand AI lists asthma, bronchitis, chronic lung disease, chronic obstructive pulmonary disease (COPD), chronic respiratory failure, pneumonia, pulmonary fibrosis and pulmonary heart disease among the conditions Dr. Preskenis treats.
Pulmonologists near Dr. Preskenis
Counts of pulmonologists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. William R. Preskenis billed Medicare for 1,484 services in 2024
CMS data shows 1,484 Medicare services from Dr. Preskenis across 11 procedure codes in 2024, for 412 Medicare patients. Medicare paid $109,452 for them. Every service was in an office.
Medicare services, 20241,484
Medicare patients412
Paid by Medicare$109,452
Procedure codes11
Dr. Preskenis' Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 1,0382024: 84718%
- Tests and treatments
- 2023: 8522024: 63725%
Dr. Preskenis compared with the Connecticut median for pulmonologists, 2024
- Dr. Preskenis
- Connecticut median
- Medicare services
- 1,484vs 5282.8 times
- Medicare patients
- 412vs 24767% above
- Part D claims
- 2,115vs 6233.4 times
Medians across 239 pulmonologists in Connecticut with Dmand AI profiles that report each measure.
Dr. Preskenis' most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
Need commercial claims for Dr. Preskenis?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Preskenis and other pulmonologists in Connecticut.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. William R. Preskenis treated 412 Medicare patients in 2024, average age 76
CMS counts 412 Medicare patients who saw Dr. Preskenis in 2024. The largest group is 75 to 84, with 175 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 10% are also on Medicaid. Their average risk score is 1.39, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Preskenis' median patient age at 73, with 45% women.
Medicare patients, 2024412
Average age76
Average risk score1.39
Also on Medicaid10%
Dr. Preskenis' Medicare patients by age, 2024
Dr. Preskenis' Medicare patients by sex, 2024
- Women20249%
- Men21051%
Chronic conditions among Dr. Preskenis' Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis53%
- Ischemic heart disease47%
- Atrial fibrillation35%
- Diabetes32%
- COPD30%
- Anxiety28%
Share of Medicare patients with each condition. A patient can have several.
Dr. Preskenis' patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 73
Patient panel by sex, all payers
- Women45%
- Men54%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. William R. Preskenis wrote 2,317 Medicare Part D claims in 2024
In 2024, Dr. Preskenis wrote 2,317 Medicare Part D claims for 397 patients. CMS names the drug for 2,115 of them, across 27 drugs with 11 or more claims each, at $1,150,847 in total drug cost. In 2023, CMS named 2,473 claims across 35 drugs.
Part D claims, 20242,317
Drugs named by CMS27
Total drug cost$1.2M
Part D patients397
Dr. Preskenis' most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Dr. Preskenis' Part D claims, 2024
- Antibiotics2%49 of 2,317 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 2,4732024: 2,11514%
Drugs named by CMS: 27 in 2024, 35 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
Dr. William R. Preskenis offers telehealth to Medicare patients
Dr. Preskenis accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Preskenis as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. William R. Preskenis has 1 publication on record
Dmand AI links 1 paper to Dr. Preskenis.
Papers1
Recent publications by Dr. Preskenis
See who Dr. Preskenis researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Preskenis works with, so you can find a warm path to the right pulmonologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. William R. Preskenis received $24,230 in industry payments from 2016 to 2025
CMS Open Payments shows 1,240 general payments to Dr. Preskenis from 60 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 98% of the total. GlaxoSmithKline, LLC. paid the most, $6,740.
General payments to Dr. Preskenis by program year, 2016 to 2025
General payments to Dr. Preskenis by kind, 2016 to 2025
$24.2Kin total
- Food and beverage$23,62698%
- Education$6042%
Companies that paid Dr. Preskenis the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. William R. Preskenis has 2 awards and honors on record
Dmand AI lists 2 awards for Dr. Preskenis, most recently CMS Stage 1 EHR in 2013.
Awards and honors for Dr. Preskenis
- 2013
- CMS Stage 1 EHR
- NCQA HSRP
Source: Dmand AI Professional Profile Data
Dr. William R. Preskenis graduated from Saint Louis University School Of Medicine
Dr. Preskenis graduated from Saint Louis University School Of Medicine in 1983. Dr. Preskenis is a member of AASM.
- Medical school
- Board certified in internal medicine
- Board certified in pulmonary disease
- Board certified in sleep medicine
Source: Dmand AI Professional Profile Data
Dr. William R. Preskenis accepts plans from 15 insurance carriers
Dr. Preskenis is in network with 15 carriers, including Aetna, United Healthcare and Cigna. PPO plans come from the most carriers, 10. Check the plan with the practice before a visit.
- Aetna
- United Healthcare
- Cigna
- Elevance
- Excellus BlueCross BlueShield
- Aspirus Health Plan
- Blue Cross Blue Shield of Michigan
- HCSC
- +7 more carriersWith a free account
Plan types Dr. Preskenis accepts, by number of carriers
- PPO10
- HMO8
- Medicare6
- EPO4
- POS4
Source: Dmand AI Insurance Network Data
Sources for Dr. William R. Preskenis's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Awards and committee roles | Dmand AI Professional Profile Data |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| Insurance carriers and plan types | Dmand AI Insurance Network Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. William R. Preskenis
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. William R. Preskenis' NPI number?
Dr. William R. Preskenis' NPI number is 1104803808. It was assigned on December 23, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. William R. Preskenis?
Dr. William R. Preskenis is a pulmonologist in Wethersfield, Connecticut. The primary specialty in the NPI Registry is Pulmonary Disease Physician (taxonomy code 207RP1001X).
Where does Dr. William R. Preskenis practice?
Dr. Preskenis practices at 30 Jordan Ln, Wethersfield, CT 06109. Dr. Preskenis' primary practice is Prime Healthcare in Wethersfield, Connecticut. Dmand AI also links Dr. Preskenis to 1 group practice or clinic.
What is Dr. William R. Preskenis' office phone number?
The practice phone on file for Dr. Preskenis is (860) 263-0253.
What is Dr. William R. Preskenis' medical license number?
Dr. Preskenis' Connecticut license number on file is 026608.
What medical group is Dr. William R. Preskenis part of?
Dr. Preskenis is linked to Prime Healthcare, PC.
Does Dr. William R. Preskenis accept Medicare?
Yes. CMS data shows Dr. Preskenis billed Medicare for 1,484 services in 2024, and Dr. Preskenis accepts Medicare assignment.
Does Dr. William R. Preskenis offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Preskenis as offering telehealth services.
How many Medicare patients does Dr. William R. Preskenis see?
CMS counts 412 Medicare patients who saw Dr. Preskenis in 2024, with an average age of 76.
Is Dr. William R. Preskenis board certified?
Yes. Dr. Preskenis is board certified in internal medicine by the American Board of Internal Medicine.
Show 7 more questionsShow fewer questions
What services does Dr. William R. Preskenis bill to Medicare?
In 2024, Dr. Preskenis' most billed Medicare services were office visit, established patient (99214), lung function service (94010) and lung function service (94729).
Where did Dr. William R. Preskenis go to medical school?
Dr. Preskenis graduated from Saint Louis University School Of Medicine in 1983.
What drugs does Dr. William R. Preskenis prescribe most?
In 2024 Medicare Part D data, Dr. Preskenis' most prescribed drugs by claims were Trelegy Ellipta, Albuterol Sulfate Hfa and Montelukast Sodium.
Has Dr. William R. Preskenis received payments from drug or device companies?
CMS Open Payments shows $24,230 in general payments to Dr. Preskenis from 60 companies from 2016 to 2025. The largest total came from GlaxoSmithKline, LLC.
How long has Dr. William R. Preskenis been practicing?
Dr. Preskenis graduated from medical school in 1983, 43 years ago.
Does Dr. William R. Preskenis do research?
Dmand AI links 1 publication to Dr. Preskenis.
What insurance does Dr. William R. Preskenis accept?
Dr. Preskenis is in network with 15 carriers, including Aetna, United Healthcare and Cigna. PPO plans come from the most carriers, 10. Check the plan with the practice before a visit.
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