Dr. Charles K. Thomas, MD
- Medicare services, 2024
- 1,739
- Medicare patients, 2024
- 546
- Part D claims, 2024
- 321
- MIPS score, 2024
- 84
- Hospital affiliations
- 2
- Practice address
- 100 Port Washington Boulevard, Roslyn, NY 11576
- Practice phone
- Call (516) 562-6000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Thomas' professional email, personal email and mobile number
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Dr. Charles K. Thomas is a hospitalist in Roslyn, New York
Dr. Thomas practices at St. Francis Hospital & Heart Center in Roslyn, New York, part of Diocese of Rockville Centre.
Dr. Thomas' NPI, 1174013049, was assigned on May 15, 2018. Dr. Thomas graduated from St. Matthew's University in 2017. Dr. Thomas holds New York license 315084.
- NPI
- 1174013049NPI Registry (opens in a new tab)
- Medicare PAC ID
- 0345629572
- NPI enumeration date
- May 15, 2018
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (516) 562-6000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 35
- Medical school graduation
- 2017
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Charles K. Thomas practices at St. Francis Hospital & Heart Center in Roslyn, New York
Dr. Thomas' primary practice is St. Francis Hospital & Heart Center, at 100 Port Washington Boulevard, Roslyn, NY 11576 in Nassau County. The practice phone is (516) 562-6000.
- St. Francis Hospital & Heart Center100 Port Washington Boulevard, Roslyn, NY 11576 · Nassau CountyPhone(516) 562-6000
Source: Dmand AI Affiliation Data
Dr. Charles K. Thomas is affiliated with 2 sites of care and 1 medical group
Dr. Thomas' primary practice is St. Francis Hospital & Heart Center in Roslyn, New York, part of Diocese of Rockville Centre. Dr. Thomas is also affiliated with Good Samaritan University Hospital. The medical group on file is Southwest Suffolk Medical PC.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Charles K. Thomas' practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Thomas practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| St. Francis Hospital & Heart Center | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Dmand AI maps EHR vendors, IT decision makers and buying committees across Diocese of Rockville Centre and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Charles K. Thomas is one of 1,796 hospitalists in New York
Hospitalist is Dr. Thomas' primary specialty in the NPI Registry, under taxonomy code 208M00000X. Dr. Thomas is licensed in New York.
Specialties and state licenses
- Hospitalist, New YorkPrimary
Hospitalists near Dr. Thomas
Counts of hospitalists 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. Charles K. Thomas billed Medicare for 1,739 services in 2024
CMS data shows 1,739 Medicare services from Dr. Thomas across 3 procedure codes in 2024, for 546 Medicare patients. Medicare paid $136,868 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Thomas' Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 1,8332024: 1,7395%
Dr. Thomas compared with the New York median for hospitalists, 2024
- Dr. Thomas
- New York median
- Medicare services
- 1,739vs 3884.5 times
- Medicare patients
- 546vs 1633.3 times
- Part D claims
- 120vs 552.2 times
Medians across 1,696 hospitalists in New York with Dmand AI profiles that report each measure.
Dr. Thomas' 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. Charles K. Thomas treated 546 Medicare patients in 2024, average age 80
CMS counts 546 Medicare patients who saw Dr. Thomas in 2024. The largest group is 75 to 84, with 208 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 19% are also on Medicaid. Their average risk score is 2.65, 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. Thomas' median patient age at 79, with 55% women.
Dr. Thomas' Medicare patients by age, 2024
Dr. Thomas' Medicare patients by sex, 2024
- Women25146%
- Men29554%
Chronic conditions among Dr. Thomas' Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Ischemic heart disease75%
- Arthritis67%
- Heart failure66%
- Atrial fibrillation57%
- Diabetes52%
- Chronic kidney disease51%
Share of Medicare patients with each condition. A patient can have several.
Dr. Thomas' patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 79
Patient panel by sex, all payers
- Women55%
- Men44%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Charles K. Thomas wrote 321 Medicare Part D claims in 2024
In 2024, Dr. Thomas wrote 321 Medicare Part D claims for 147 patients. 84% of them were for generic drugs. CMS names the drug for 120 of them, across 7 drugs with 11 or more claims each, at $7,997 in total drug cost. In 2023, CMS named 172 claims across 10 drugs.
Dr. Thomas' Part D claims by kind of drug, 2024
- Generic269 claims84%
- Brand-name52 claims16%
Dr. Thomas' 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. Thomas' Part D claims, 2024
- Antibiotics9%30 of 321 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: 1722024: 12030%
Drugs named by CMS: 7 in 2024, 10 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. Charles K. Thomas scored 84 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 84 out of 100 for Dr. Thomas for performance year 2024, reported individually. Dr. Thomas accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Dr. Thomas' MIPS scores, performance year 2024
- 84of 100Final score
- 98.7of 100Quality
- 0of 100Improvement Activities
- 83of 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. Charles K. Thomas received $274 in industry payments from 2022 to 2023
CMS Open Payments shows 7 general payments to Dr. Thomas from 6 drug and device companies from 2022 to 2023. Food and beverage make up the largest share, 100% of the total. Mallinckrodt Hospital Products Inc. paid the most, $118.
General payments to Dr. Thomas by program year, 2022 to 2023
Companies that paid Dr. Thomas the most, 2022 to 2023
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Charles K. Thomas graduated from St. Matthew's University
Dr. Thomas graduated from St. Matthew's University in 2017.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Charles K. Thomas'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 DataDmand AI Org Hierarchy 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)Clinician Public Reporting: Overall MIPS Performance (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. Charles K. Thomas
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. Charles K. Thomas' NPI number?
Dr. Charles K. Thomas' NPI number is 1174013049. It was assigned on May 15, 2018, and it is active in the NPI Registry.
What kind of doctor is Dr. Charles K. Thomas?
Dr. Charles K. Thomas is a hospitalist in Roslyn, New York. The primary specialty in the NPI Registry is Hospitalist Physician (taxonomy code 208M00000X).
Where does Dr. Charles K. Thomas practice?
Dr. Thomas practices at 100 Port Washington Boulevard, Roslyn, NY 11576. Dr. Thomas' primary practice is St. Francis Hospital & Heart Center in Roslyn, New York, part of Diocese of Rockville Centre.
What is Dr. Charles K. Thomas' office phone number?
The practice phone on file for Dr. Thomas is (516) 562-6000.
What is Dr. Charles K. Thomas' medical license number?
Dr. Thomas holds New York license 315084.
Which hospitals is Dr. Charles K. Thomas affiliated with?
Dr. Thomas practices at St. Francis Hospital & Heart Center in Roslyn, New York. Dr. Thomas is also affiliated with Good Samaritan University Hospital.
What medical group is Dr. Charles K. Thomas part of?
Dr. Thomas is linked to Southwest Suffolk Medical PC.
Does Dr. Charles K. Thomas accept Medicare?
Yes. CMS data shows Dr. Thomas billed Medicare for 1,739 services in 2024, and Dr. Thomas accepts Medicare assignment.
What is Dr. Charles K. Thomas' MIPS score?
Dr. Thomas' MIPS final score for performance year 2024 is 84 out of 100, reported individually.
How many Medicare patients does Dr. Charles K. Thomas see?
CMS counts 546 Medicare patients who saw Dr. Thomas in 2024, with an average age of 80.
Show 5 more questionsShow fewer questions
What services does Dr. Charles K. Thomas bill to Medicare?
In 2024, Dr. Thomas' most billed Medicare services were hospital inpatient care (99232), hospital inpatient care (99239) and hospital inpatient care (99222).
Where did Dr. Charles K. Thomas go to medical school?
Dr. Thomas graduated from St. Matthew's University in 2017.
What drugs does Dr. Charles K. Thomas prescribe most?
In 2024 Medicare Part D data, Dr. Thomas' most prescribed drugs by claims were Furosemide, Metoprolol Succinate and Potassium Chloride.
Has Dr. Charles K. Thomas received payments from drug or device companies?
CMS Open Payments shows $274 in general payments to Dr. Thomas from 6 companies from 2022 to 2023. The largest total came from Mallinckrodt Hospital Products Inc.
How long has Dr. Charles K. Thomas been practicing?
Dr. Thomas graduated from medical school in 2017, 9 years ago.
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