Dr. Mark C. Stillman, MD
- Medicare services, 2024
- 24
- Medicare patients, 2024
- 31
- Part D claims, 2024
- 49
- Hospital affiliations
- 1
- Industry payments
- $350
- Practice address
- 30 Columbia St, Poughkeepsie, NY 12601
- 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, P.C.
Poughkeepsie, New York
Find Dr. Stillman's professional email, personal email and mobile number
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Dr. Mark C. Stillman is an emergency medicine physician in Poughkeepsie, New York
Dr. Stillman practices at Caremount Medical, P.C. in Poughkeepsie, New York.
Dr. Stillman's NPI, 1063490811, was assigned on January 3, 2006. Dr. Stillman graduated from Columbia University Vagelos College of Physicians and Surgeons in 1999. Dr. Stillman holds New York license 223749-1.
- NPI
- 1063490811NPI Registry (opens in a new tab)
- NPI enumeration date
- January 3, 2006
- NPI status
- Active
- Practice phone
- (914) 241-1050
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Medical school graduation
- 1999
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Practice Data
Dr. Mark C. Stillman practices at Caremount Medical, P.C. in Poughkeepsie, New York
Dr. Stillman's primary practice is Caremount Medical, P.C., at 30 Columbia St, Poughkeepsie, NY 12601 in Dutchess County. The practice phone is (914) 241-1050.
- Caremount Medical, P.C.30 Columbia St, Poughkeepsie, NY 12601 · Dutchess CountyPhone(914) 241-1050
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Mark C. Stillman is affiliated with 2 sites of care and 2 medical groups
Dr. Stillman's primary practice is Caremount Medical, P.C. in Poughkeepsie, New York. Dr. Stillman is also affiliated with Mount Sinai South Nassau. The medical group on file is CareMount Medical. Dmand AI also links Dr. Stillman to 1 more medical group, named with a free account.
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. Mark C. Stillman's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Stillman practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Caremount Medical, P.C. | Available with a free account |
| +1 more site and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Mark C. Stillman is one of 3,709 emergency medicine physicians in New York
Emergency medicine is Dr. Stillman's primary specialty in the NPI Registry, under taxonomy code 207P00000X. Dr. Stillman is licensed in New York.
Specialties and state licenses
- Emergency medicine, New YorkPrimary
Emergency medicine physicians near Dr. Stillman
Counts of emergency medicine physicians 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. Mark C. Stillman billed Medicare for 24 services in 2024
CMS data shows 24 Medicare services from Dr. Stillman across 1 procedure code in 2024, all of them office visits, for 31 Medicare patients. Medicare paid $1,301 for them. Every service was in an office.
Dr. Stillman's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 3572024: 2493%
- Drugs given in the office
- 2023: 342024: 0100%
- Lab and pathology
- 2023: 2092024: 0100%
- Tests and treatments
- 2023: 342024: 0100%
- Other services
- 2023: 682024: 0100%
Dr. Stillman compared with the New York median for emergency medicine physicians, 2024
- Dr. Stillman
- New York median
- Medicare services
- 24vs 21989% below
- Medicare patients
- 31vs 21686% below
- Part D claims
- 444vs 2915.3 times
Medians across 3,510 emergency medicine physicians in New York with Dmand AI profiles that report each measure.
Dr. Stillman'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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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Stillman and other emergency medicine physicians in New York.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Mark C. Stillman treated 31 Medicare patients in 2024, average age 74
CMS counts 31 Medicare patients who saw Dr. Stillman in 2024. The largest group is 65 to 74, with 18 patients. 75% of them have high cholesterol, and 74% have high blood pressure. Their average risk score is 1.48, where 1.00 is the Medicare average.
Dr. Stillman's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Stillman's Medicare patients by sex, 2024
- Women1342%
- Men1858%
Chronic conditions among Dr. Stillman's Medicare patients, 2024
- High cholesterol75%
- High blood pressure74%
- Arthritis55%
Share of Medicare patients with each condition. A patient can have several.
Source: Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Mark C. Stillman wrote 49 Medicare Part D claims in 2024
In 2024, Dr. Stillman wrote 49 Medicare Part D claims for 28 patients. 84% of them were for generic drugs. They cover 10 drugs, with $4,823 in total drug cost. In 2022, CMS named 355 claims across 11 drugs.
Dr. Stillman's Part D claims by kind of drug, 2024
- Generic41 claims84%
- Brand-name and other8 claims16%
Dr. Stillman's most prescribed drugs by claims, 2023
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. Stillman's Part D claims, 2024
- Antibiotics47%23 of 49 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, 2022 to 2023
- 2022
- 2023
- Claims for drugs CMS names
- 2022: 3552023: 44425%
Drugs named by CMS: 10 in 2023, 11 in 2022.
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. Mark C. Stillman received $350 in industry payments from 2018 to 2025
CMS Open Payments shows 3 general payments to Dr. Stillman from 2 drug and device companies from 2018 to 2025. Food and beverage make up the largest share, 100% of the total. Abbvie Inc. paid the most, $250.
General payments to Dr. Stillman by program year, 2018 to 2025
Companies that paid Dr. Stillman the most, 2018 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Mark C. Stillman graduated from Columbia University Vagelos College of Physicians and Surgeons
Dr. Stillman graduated from Columbia University Vagelos College of Physicians and Surgeons in 1999.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Mark C. Stillman'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 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 | Medicare 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) |
| 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. Mark C. Stillman
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. Mark C. Stillman's NPI number?
Dr. Mark C. Stillman's NPI number is 1063490811. It was assigned on January 3, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Mark C. Stillman?
Dr. Mark C. Stillman is an emergency medicine physician in Poughkeepsie, New York. The primary specialty in the NPI Registry is Emergency Medicine Physician (taxonomy code 207P00000X).
Where does Dr. Mark C. Stillman practice?
Dr. Stillman practices at 30 Columbia St, Poughkeepsie, NY 12601. Dr. Stillman's primary practice is Caremount Medical, P.C. in Poughkeepsie, New York. Dmand AI also links Dr. Stillman to 1 medical group.
What is Dr. Mark C. Stillman's office phone number?
The practice phone on file for Dr. Stillman is (914) 241-1050.
What is Dr. Mark C. Stillman's medical license number?
Dr. Stillman holds New York license 223749-1.
Which hospitals is Dr. Mark C. Stillman affiliated with?
Dr. Stillman is affiliated with Mount Sinai South Nassau.
What medical group is Dr. Mark C. Stillman part of?
Dr. Stillman is linked to CareMount Medical. Dmand AI links Dr. Stillman to 1 more medical group.
Does Dr. Mark C. Stillman accept Medicare?
Yes. CMS data shows Dr. Stillman billed Medicare for 24 services in 2024.
How many Medicare patients does Dr. Mark C. Stillman see?
CMS counts 31 Medicare patients who saw Dr. Stillman in 2024, with an average age of 74.
What services does Dr. Mark C. Stillman bill to Medicare?
In 2024, Dr. Stillman's most billed Medicare services were office visit, established patient (99213).
Show 4 more questionsShow fewer questions
Where did Dr. Mark C. Stillman go to medical school?
Dr. Stillman graduated from Columbia University Vagelos College of Physicians and Surgeons in 1999.
What drugs does Dr. Mark C. Stillman prescribe most?
In 2023 Medicare Part D data, Dr. Stillman's most prescribed drugs by claims were Prednisone, Azithromycin and Albuterol Sulfate Hfa.
Has Dr. Mark C. Stillman received payments from drug or device companies?
CMS Open Payments shows $350 in general payments to Dr. Stillman from 2 companies from 2018 to 2025. The largest total came from Abbvie Inc.
How long has Dr. Mark C. Stillman been practicing?
Dr. Stillman graduated from medical school in 1999, 27 years ago.
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