Dr. William A. Handelman, MD

  • Waterbury, CT
  • Nephrologist
NPI1609851369PAC ID1456411651
Medicare services, 2024
2,269
Medicare patients, 2024
301
Part D claims, 2024
2,364
MIPS score, 2024
25
Hospital affiliations
3
Practice address
140 Grandview Ave, Waterbury, CT 06708
Practice phone
Call (860) 496-0661
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Torrington Dialysis

Waterbury, Connecticut

See all 7 affiliations

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Dr. William A. Handelman is a nephrologist in Waterbury, Connecticut

Dr. Handelman practices at Torrington Dialysis in Waterbury, Connecticut.

Dr. Handelman's NPI, 1609851369, was assigned on December 14, 2005. Dr. Handelman graduated from State University of New York Downstate Medical Center in 1973. Dr. Handelman holds Connecticut license 022074.

NPI and contact details
Medicare PAC ID
1456411651
NPI enumeration date
December 14, 2005
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(860) 496-0661
Professional email
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Personal email
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Mobile number
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Sex
Male
Estimated age
79
Medical school graduation
1973

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)

Dr. William A. Handelman practices at Torrington Dialysis in Waterbury, Connecticut

Dr. Handelman's primary practice is Torrington Dialysis, at 140 Grandview Ave, Waterbury, CT 06708 in Naugatuck Vly County. The practice phone is (860) 496-0661.

  • Torrington Dialysis
    140 Grandview Ave, Waterbury, CT 06708 · Naugatuck Vly CountyPhone(860) 496-0661

Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data

Dr. William A. Handelman is affiliated with 6 sites of care and 1 medical group

Dr. Handelman's primary practice is Torrington Dialysis in Waterbury, Connecticut. Dr. Handelman is also affiliated with UConn Health Waterbury Hospital. The medical group on file is Connecticut Kidney and Hypertension Specialists. Dmand AI also links Dr. Handelman to 2 more hospitals, 1 dialysis center and 1 group practice or clinic, each named with a free account.

See all 7 affiliations for Dr. Handelman

Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Dr. William A. Handelman's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Handelman practices, 5 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Torrington DialysisAvailable with a free account
+5 more affiliated sitesAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. William A. Handelman is one of 141 nephrologists in Connecticut

Nephrology is Dr. Handelman's primary specialty in the NPI Registry, under taxonomy code 207RN0300X. Dr. Handelman is licensed in Connecticut.

Specialties and state licenses

  • Nephrology, ConnecticutPrimaryLicense 022074 · taxonomy 207RN0300X

Nephrologists near Dr. Handelman

Counts of nephrologists 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 A. Handelman billed Medicare for 2,269 services in 2024

CMS data shows 2,269 Medicare services from Dr. Handelman across 17 procedure codes in 2024, for 301 Medicare patients. Medicare paid $165,837 for them.

Medicare services, 20242,269
Medicare patients301
Paid by Medicare$165,837
Procedure codes17

Dr. Handelman's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Office and hospital visits
2023: 1,6982024: 1,8227%
Tests and treatments
2023: 1982024: 22011%
Other services
2023: 112024: 2161864%
Lab and pathology
2023: 202024: 1145%

Where Dr. Handelman's Medicare services took place, 2024

  • In an office1,90784%
  • In a facility36216%

Dr. Handelman compared with the Connecticut median for nephrologists, 2024

  • Dr. Handelman
  • Connecticut median
Medicare services
2,269vs 7323.1 times
Medicare patients
301vs 26115% above
Part D claims
1,986vs 6003.3 times

Medians across 137 nephrologists in Connecticut with Dmand AI profiles that report each measure.

Dr. Handelman's 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.

See all procedures by Dr. Handelman

Need commercial claims for Dr. Handelman?

Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Handelman and other nephrologists in Connecticut.

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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Dr. William A. Handelman treated 301 Medicare patients in 2024, average age 75

CMS counts 301 Medicare patients who saw Dr. Handelman in 2024. The largest group is 75 to 84, with 114 patients. 75% of them have chronic kidney disease, and 75% have high blood pressure. 35% are also on Medicaid. Their average risk score is 3.39, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.

Across all payers, Dmand AI patient panel data puts Dr. Handelman's median patient age at 71, with 41% women.

Medicare patients, 2024301
Average age75
Average risk score3.39
Also on Medicaid35%

Dr. Handelman's Medicare patients by age, 2024

Dr. Handelman's Medicare patients by sex, 2024

  • Women13545%
  • Men16655%

Chronic conditions among Dr. Handelman's Medicare patients, 2024

  1. Chronic kidney disease75%
  2. High blood pressure75%
  3. High cholesterol75%
  4. Diabetes57%
  5. Arthritis52%
  6. Ischemic heart disease50%
  7. Heart failure41%
  8. Atrial fibrillation38%

Share of Medicare patients with each condition. A patient can have several.

Dr. Handelman's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 71

Patient panel by sex, all payers

  • Women41%
  • Men56%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Dr. William A. Handelman wrote 2,364 Medicare Part D claims in 2024

In 2024, Dr. Handelman wrote 2,364 Medicare Part D claims for 285 patients. 85% of them were for generic drugs. CMS names the drug for 1,986 of them, across 55 drugs with 11 or more claims each, at $261,882 in total drug cost. In 2023, CMS named 1,792 claims across 45 drugs.

Part D claims, 20242,364
Drugs named by CMS55
Total drug cost$261,882
Part D patients285

Dr. Handelman's Part D claims by kind of drug, 2024

  • Generic2,020 claims85%
  • Brand-name and other344 claims15%

Dr. Handelman's 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. Handelman's Part D claims, 2024

  • Opioids5%121 of 2,364 claims
  • Antibiotics3%66 of 2,364 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: 1,7922024: 1,98611%

Drugs named by CMS: 55 in 2024, 45 in 2023.

See all prescribing by Dr. Handelman

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 A. Handelman scored 25 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 25 out of 100 for Dr. Handelman for performance year 2024, reported individually. Dr. Handelman accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

Accepts Medicare assignment
Yes

Dr. Handelman's MIPS scores, performance year 2024

  • 25of 100Final score
  • 0of 100Quality
  • 0of 100Improvement Activities
  • 84of 100Cost

Each score is out of 100. The final score weighs the categories CMS scored for this clinician.

Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026

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Dr. William A. Handelman received $5,769 in industry payments from 2016 to 2025

CMS Open Payments shows 220 general payments to Dr. Handelman from 34 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 82% of the total. Amgen Inc. paid the most, $1,101.

General payments to Dr. Handelman by program year, 2016 to 2025

General payments to Dr. Handelman by kind, 2016 to 2025

$5.8Kin total
  • Food and beverage$4,71182%
  • Travel and lodging$57810%
  • Education$3656%
  • Consulting fees$1152%

Companies that paid Dr. Handelman the most, 2016 to 2025

Share is of all general payments to this clinician.

See all payments to Dr. Handelman

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Dr. William A. Handelman graduated from State University of New York Downstate Medical Center

Dr. Handelman graduated from State University of New York Downstate Medical Center in 1973.

  1. Medical schoolState University of New York Downstate Medical Center

Source: Dmand AI Professional Profile Data

Sources for Dr. William A. Handelman's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data
Primary practice, affiliations and health systemNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation DataDmand AI Org Hierarchy Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare 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 percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Training, board certification and membershipsDmand AI Professional Profile Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Dr. William A. Handelman

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 A. Handelman's NPI number?

Dr. William A. Handelman's NPI number is 1609851369. It was assigned on December 14, 2005, and it is active in the NPI Registry.

What kind of doctor is Dr. William A. Handelman?

Dr. William A. Handelman is a nephrologist in Waterbury, Connecticut. The primary specialty in the NPI Registry is Nephrology Physician (taxonomy code 207RN0300X).

Where does Dr. William A. Handelman practice?

Dr. Handelman practices at 140 Grandview Ave, Waterbury, CT 06708. Dr. Handelman's primary practice is Torrington Dialysis in Waterbury, Connecticut. Dmand AI also links Dr. Handelman to 2 hospitals, 1 dialysis center and 1 group practice or clinic.

What is Dr. William A. Handelman's office phone number?

The practice phone on file for Dr. Handelman is (860) 496-0661.

What is Dr. William A. Handelman's medical license number?

Dr. Handelman holds Connecticut license 022074.

Which hospitals is Dr. William A. Handelman affiliated with?

Dr. Handelman is affiliated with UConn Health Waterbury Hospital. Dmand AI links Dr. Handelman to 2 more hospitals.

What medical group is Dr. William A. Handelman part of?

Dr. Handelman is linked to Connecticut Kidney and Hypertension Specialists.

Does Dr. William A. Handelman accept Medicare?

Yes. CMS data shows Dr. Handelman billed Medicare for 2,269 services in 2024, and Dr. Handelman accepts Medicare assignment.

What is Dr. William A. Handelman's MIPS score?

Dr. Handelman's MIPS final score for performance year 2024 is 25 out of 100, reported individually.

How many Medicare patients does Dr. William A. Handelman see?

CMS counts 301 Medicare patients who saw Dr. Handelman in 2024, with an average age of 75.

Show 5 more questionsShow fewer questions

What services does Dr. William A. Handelman bill to Medicare?

In 2024, Dr. Handelman's most billed Medicare services were care management and other visits (99458), care management and other visits (99454) and care management and other visits (99457).

Where did Dr. William A. Handelman go to medical school?

Dr. Handelman graduated from State University of New York Downstate Medical Center in 1973.

What drugs does Dr. William A. Handelman prescribe most?

In 2024 Medicare Part D data, Dr. Handelman's most prescribed drugs by claims were Amlodipine Besylate, Allopurinol and Furosemide.

Has Dr. William A. Handelman received payments from drug or device companies?

CMS Open Payments shows $5,769 in general payments to Dr. Handelman from 34 companies from 2016 to 2025. The largest total came from Amgen Inc.

How long has Dr. William A. Handelman been practicing?

Dr. Handelman graduated from medical school in 1973, 53 years ago.

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