Dr. Jeffrey David Karwoski, MD
- Medicare services, 2024
- 2,463
- Medicare patients, 2024
- 271
- Part D claims, 2024
- 2,762
- Industry payments
- $650
- Affiliated sites
- 2
- Practice address
- 2 International Blvd, Brewster, NY 10509
- Practice phone
- Call (914) 241-1050
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Caremount Medical
Brewster, New York
Find Dr. Karwoski's 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. Jeffrey David Karwoski is an internist in Brewster, New York
Dr. Karwoski practices at Caremount Medical in Brewster, New York.
Dr. Karwoski's NPI, 1023245008, was assigned on June 16, 2009. Dr. Karwoski holds New York license 268499.
- NPI
- 1023245008NPI Registry (opens in a new tab)
- Medicare PAC ID
- 0941448468
- NPI enumeration date
- June 16, 2009
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (914) 241-1050
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 43
- Medical school graduation
- 2009
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Jeffrey David Karwoski practices at Caremount Medical in Brewster, New York
Dr. Karwoski's primary practice is Caremount Medical, at 2 International Blvd, Brewster, NY 10509 in Putnam County. The practice phone is (914) 241-1050.
- Caremount Medical2 International Blvd, Brewster, NY 10509 · Putnam CountyPhone(914) 241-1050
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Jeffrey David Karwoski is affiliated with 3 sites of care and 1 medical group
Dr. Karwoski's primary practice is Caremount Medical in Brewster, New York. The medical group on file is CareMount Medical. Dmand AI also links Dr. Karwoski to 1 more group practice or clinic and 1 home health agency, each 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. Jeffrey David Karwoski's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Karwoski practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Caremount Medical | Available with a free account |
| +2 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across each health system and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Jeffrey David Karwoski is one of 9,643 internists in New York
Internal medicine is Dr. Karwoski's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Karwoski is board certified in internal medicine by the American Board of Internal Medicine. Dr. Karwoski is licensed in New York.
Specialties and state licenses
- Internal medicine, New YorkPrimary
Internists near Dr. Karwoski
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. Jeffrey David Karwoski billed Medicare for 2,463 services in 2024
CMS data shows 2,463 Medicare services from Dr. Karwoski across 24 procedure codes in 2024, for 271 Medicare patients. Medicare paid $90,694 for them. Every service was in an office.
Dr. Karwoski's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Lab and pathology
- 2023: 1,6782024: 1,37318%
- Other services
- 2023: 2532024: 31123%
- Surgery
- 2023: 3632024: 28422%
- Office and hospital visits
- 2023: 3562024: 28420%
- Tests and treatments
- 2023: 2252024: 2116%
Dr. Karwoski compared with the New York median for internists, 2024
- Dr. Karwoski
- New York median
- Medicare services
- 2,463vs 4265.8 times
- Medicare patients
- 271vs 15872% above
- Part D claims
- 2,165vs 6223.5 times
Medians across 9,428 internists in New York with Dmand AI profiles that report each measure.
Dr. Karwoski'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.
Need commercial claims for Dr. Karwoski?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Karwoski and other internists in New York.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Jeffrey David Karwoski treated 271 Medicare patients in 2024, average age 74
CMS counts 271 Medicare patients who saw Dr. Karwoski in 2024. The largest group is 65 to 74, with 140 patients. 66% of them have high cholesterol, and 59% have high blood pressure. 4% are also on Medicaid. Their average risk score is 0.90, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Karwoski's median patient age at 48, with 37% women.
Dr. Karwoski's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Karwoski's Medicare patients by sex, 2024
- Women11442%
- Men15758%
Chronic conditions among Dr. Karwoski's Medicare patients, 2024
- High cholesterol66%
- High blood pressure59%
- Arthritis39%
- Ischemic heart disease23%
- Anxiety20%
- Cancer19%
- Diabetes18%
- Atrial fibrillation14%
Share of Medicare patients with each condition. A patient can have several.
Dr. Karwoski's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 48
Patient panel by sex, all payers
- Women37%
- Men60%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Jeffrey David Karwoski wrote 2,762 Medicare Part D claims in 2024
In 2024, Dr. Karwoski wrote 2,762 Medicare Part D claims for 298 patients. 89% of them were for generic drugs. CMS names the drug for 2,165 of them, across 62 drugs with 11 or more claims each, at $124,703 in total drug cost. In 2023, CMS named 2,121 claims across 59 drugs.
Dr. Karwoski's Part D claims by kind of drug, 2024
- Generic2,454 claims89%
- Brand-name297 claims11%
- Other11 claims0%
Dr. Karwoski'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. Karwoski's Part D claims, 2024
- Opioids1%25 of 2,762 claims
- Antibiotics2%56 of 2,762 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: 2,1212024: 2,1652%
Drugs named by CMS: 62 in 2024, 59 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. Jeffrey David Karwoski offers telehealth to Medicare patients
Dr. Karwoski accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Karwoski as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
For MedTech and pharma teams
Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Dr. Jeffrey David Karwoski received $650 in industry payments from 2019 to 2025
CMS Open Payments shows 32 general payments to Dr. Karwoski from 8 drug and device companies from 2019 to 2025. Food and beverage make up the largest share, 100% of the total. Abbvie Inc. paid the most, $206.
General payments to Dr. Karwoski by program year, 2019 to 2025
Companies that paid Dr. Karwoski the most, 2019 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Jeffrey David Karwoski is board certified in internal medicine
- Board certified in internal medicine
Source: Dmand AI Professional Profile Data
Sources for Dr. Jeffrey David Karwoski'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) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile 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. Jeffrey David Karwoski
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. Jeffrey David Karwoski's NPI number?
Dr. Jeffrey David Karwoski's NPI number is 1023245008. It was assigned on June 16, 2009, and it is active in the NPI Registry.
What kind of doctor is Dr. Jeffrey David Karwoski?
Dr. Jeffrey David Karwoski is an internist in Brewster, New York. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Jeffrey David Karwoski practice?
Dr. Karwoski practices at 2 International Blvd, Brewster, NY 10509. Dr. Karwoski's primary practice is Caremount Medical in Brewster, New York. Dmand AI also links Dr. Karwoski to 1 group practice or clinic and 1 home health agency.
What is Dr. Jeffrey David Karwoski's office phone number?
The practice phone on file for Dr. Karwoski is (914) 241-1050.
What is Dr. Jeffrey David Karwoski's medical license number?
Dr. Karwoski holds New York license 268499.
What medical group is Dr. Jeffrey David Karwoski part of?
Dr. Karwoski is linked to CareMount Medical.
Does Dr. Jeffrey David Karwoski accept Medicare?
Yes. CMS data shows Dr. Karwoski billed Medicare for 2,463 services in 2024, and Dr. Karwoski accepts Medicare assignment.
Does Dr. Jeffrey David Karwoski offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Karwoski as offering telehealth services.
How many Medicare patients does Dr. Jeffrey David Karwoski see?
CMS counts 271 Medicare patients who saw Dr. Karwoski in 2024, with an average age of 74.
Is Dr. Jeffrey David Karwoski board certified?
Yes. Dr. Karwoski is board certified in internal medicine by the American Board of Internal Medicine.
Show 4 more questionsShow fewer questions
What services does Dr. Jeffrey David Karwoski bill to Medicare?
In 2024, Dr. Karwoski's most billed Medicare services were surgery: heart and blood vessels (36415), lab and pathology test (80053) and lab and pathology test (85025).
What drugs does Dr. Jeffrey David Karwoski prescribe most?
In 2024 Medicare Part D data, Dr. Karwoski's most prescribed drugs by claims were Atorvastatin Calcium, Amlodipine Besylate and Levothyroxine Sodium.
Has Dr. Jeffrey David Karwoski received payments from drug or device companies?
CMS Open Payments shows $650 in general payments to Dr. Karwoski from 8 companies from 2019 to 2025. The largest total came from Abbvie Inc.
How long has Dr. Jeffrey David Karwoski been practicing?
Dr. Karwoski graduated from medical school in 2009, 17 years ago.
Selling to internal medicine practices?
See internists in New York by site of care and group
Find the practices, groups and hospitals they work with, and the right people to contact at each.
- 30 days free
- Self-serve
- No credit card