Dr. William H. Kalafatic, MD
- Medicare services, 2024
- 123
- Medicare patients, 2024
- 22
- Part D claims, 2024
- 2,290
- Industry payments
- $3,360
- Affiliated sites
- 2
- Practice address
- 1650 Grand Concourse FL 14, Bronx, NY 10457
- Practice phone
- Call (718) 518-5000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
BronxCare Ambulatory Care Network
FQHC - Clinic in Nursing Home / Jail / Hospital · Bronx, New York
Find Dr. Kalafatic's professional email, personal email and mobile number
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Dr. William H. Kalafatic is an internist in Bronx, New York
Dr. Kalafatic practices at BronxCare Ambulatory Care Network in Bronx, New York.
Dr. Kalafatic's NPI, 1578630034, was assigned on November 29, 2006. Dr. Kalafatic holds New York license 126527.
- NPI
- 1578630034NPI Registry (opens in a new tab)
- NPI enumeration date
- November 29, 2006
- NPI status
- Active
- Practice phone
- (718) 518-5000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 82
- Medical school graduation
- 1970
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. William H. Kalafatic practices at BronxCare Ambulatory Care Network in Bronx, New York
Dr. Kalafatic's primary practice is BronxCare Ambulatory Care Network, at 1650 Grand Concourse FL 14, Bronx, NY 10457 in Bronx County. The practice phone is (718) 518-5000.
- BronxCare Ambulatory Care Network1650 Grand Concourse FL 14, Bronx, NY 10457 · Bronx CountyPhone(718) 518-5000
Source: Dmand AI Affiliation Data
Dr. William H. Kalafatic is affiliated with 2 sites of care
Dr. Kalafatic's primary practice is BronxCare Ambulatory Care Network in Bronx, New York. Dmand AI also links Dr. Kalafatic to 1 breast imaging center, named with a free account.
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. William H. Kalafatic's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Kalafatic practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| BronxCare Ambulatory Care Network | 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 H. Kalafatic is one of 9,643 internists in New York
Internal medicine is Dr. Kalafatic's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Kalafatic is licensed in New York.
Specialties and state licenses
- Internal medicine, New YorkPrimary
Internists near Dr. Kalafatic
Counts of internists 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 H. Kalafatic billed Medicare for 123 services in 2024
CMS data shows 123 Medicare services from Dr. Kalafatic across 3 procedure codes in 2024, for 22 Medicare patients. Medicare paid $8,059 for them. Every service was in an office.
Dr. Kalafatic's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 1442024: 11024%
- Tests and treatments
- 2023: 192024: 1332%
Dr. Kalafatic compared with the New York median for internists, 2024
- Dr. Kalafatic
- New York median
- Medicare services
- 123vs 42671% below
- Medicare patients
- 22vs 15886% below
- Part D claims
- 1,966vs 6223.2 times
Medians across 9,428 internists in New York with Dmand AI profiles that report each measure.
Dr. Kalafatic'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.
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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. William H. Kalafatic treated 22 Medicare patients in 2024, average age 75
CMS counts 22 Medicare patients who saw Dr. Kalafatic in 2024. 75% of them have high blood pressure, and 73% have high cholesterol. Their average risk score is 1.01, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Kalafatic's median patient age at 70, with 37% women.
Dr. Kalafatic's Medicare patients by sex, 2024
- Women1150%
- Men1150%
Chronic conditions among Dr. Kalafatic's Medicare patients, 2024
- High blood pressure75%
- High cholesterol73%
- Arthritis59%
Share of Medicare patients with each condition. A patient can have several.
Dr. Kalafatic's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 70
Patient panel by sex, all payers
- Women37%
- Men61%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. William H. Kalafatic wrote 2,290 Medicare Part D claims in 2024
In 2024, Dr. Kalafatic wrote 2,290 Medicare Part D claims for 230 patients. 86% of them were for generic drugs. CMS names the drug for 1,966 of them, across 42 drugs with 11 or more claims each, at $78,758 in total drug cost. In 2023, CMS named 2,042 claims across 42 drugs.
Dr. Kalafatic's Part D claims by kind of drug, 2024
- Generic1,978 claims86%
- Brand-name221 claims10%
- Other91 claims4%
Dr. Kalafatic'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. Kalafatic's Part D claims, 2024
- Opioids1%25 of 2,290 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: 2,0422024: 1,9664%
Drugs named by CMS: 42 in 2024, 42 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
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Dr. William H. Kalafatic received $3,360 in industry payments from 2016 to 2025
CMS Open Payments shows 115 general payments to Dr. Kalafatic from 24 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 99% of the total. ZOLL Services LLC (A/K/A ZOLL LifeCor Corp) paid the most, $338.
General payments to Dr. Kalafatic by program year, 2016 to 2025
General payments to Dr. Kalafatic by kind, 2016 to 2025
- Food and beverage$3,34199%
- Education$181%
Companies that paid Dr. Kalafatic the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. William H. Kalafatic'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 | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand 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) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| 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 H. Kalafatic
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 H. Kalafatic's NPI number?
Dr. William H. Kalafatic's NPI number is 1578630034. It was assigned on November 29, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. William H. Kalafatic?
Dr. William H. Kalafatic is an internist in Bronx, New York. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. William H. Kalafatic practice?
Dr. Kalafatic practices at 1650 Grand Concourse FL 14, Bronx, NY 10457. Dr. Kalafatic's primary practice is BronxCare Ambulatory Care Network in Bronx, New York. Dmand AI also links Dr. Kalafatic to 1 breast imaging center.
What is Dr. William H. Kalafatic's office phone number?
The practice phone on file for Dr. Kalafatic is (718) 518-5000.
What is Dr. William H. Kalafatic's medical license number?
Dr. Kalafatic holds New York license 126527.
Does Dr. William H. Kalafatic accept Medicare?
Yes. CMS data shows Dr. Kalafatic billed Medicare for 123 services in 2024.
How many Medicare patients does Dr. William H. Kalafatic see?
CMS counts 22 Medicare patients who saw Dr. Kalafatic in 2024, with an average age of 75.
What services does Dr. William H. Kalafatic bill to Medicare?
In 2024, Dr. Kalafatic's most billed Medicare services were office visit, established patient (99213), heart test or procedure (93000) and office visit, established patient (99214).
What drugs does Dr. William H. Kalafatic prescribe most?
In 2024 Medicare Part D data, Dr. Kalafatic's most prescribed drugs by claims were Atorvastatin Calcium, Lisinopril and Amlodipine Besylate.
Has Dr. William H. Kalafatic received payments from drug or device companies?
CMS Open Payments shows $3,360 in general payments to Dr. Kalafatic from 24 companies from 2016 to 2025. The largest total came from ZOLL Services LLC (A/K/A ZOLL LifeCor Corp).
How long has Dr. William H. Kalafatic been practicing?
Dr. Kalafatic graduated from medical school in 1970, 56 years ago.
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