Dr. Mark E. Lieb, MD
- Medicare services, 2024
- 5,145
- Medicare patients, 2024
- 1,155
- Part D claims, 2024
- 9,325
- Hospital affiliations
- 1
- Industry payments
- $220
- Practice address
- 90 S Bedford Rd, Mount Kisco, NY 10549
- 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
Mount Kisco, New York
Find Dr. Lieb'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. Mark E. Lieb is a cardiologist in Mount Kisco, New York
Dr. Lieb practices at Caremount Medical in Mount Kisco, New York.
Dr. Lieb's NPI, 1619921749, was assigned on May 22, 2006. Dr. Lieb graduated from Boston University School Of Medicine in 1988. Dr. Lieb holds New York license 180753.
- NPI
- 1619921749NPI Registry (opens in a new tab)
- Medicare PAC ID
- 2961448980
- NPI enumeration date
- May 22, 2006
- 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
- 64
- Medical school graduation
- 1988
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Mark E. Lieb practices at Caremount Medical in Mount Kisco, New York
Dr. Lieb's primary practice is Caremount Medical, at 90 S Bedford Rd, Mount Kisco, NY 10549 in Westchester County. The practice phone is (914) 241-1050.
- Caremount Medical90 S Bedford Rd, Mount Kisco, NY 10549 · Westchester CountyPhone(914) 241-1050
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Mark E. Lieb is affiliated with 7 sites of care and 5 medical groups
Dr. Lieb's primary practice is Caremount Medical in Mount Kisco, New York. Dr. Lieb is also affiliated with Northern Westchester Hospital. The medical group on file is CareMount Medical. Dmand AI also links Dr. Lieb to 5 more group practices and clinics and 4 medical groups, 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. Mark E. Lieb's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Lieb practices, 6 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 |
| +6 more sites and 4 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Mark E. Lieb is one of 2,265 cardiologists in New York
Cardiovascular disease is Dr. Lieb's primary specialty in the NPI Registry, under taxonomy code 207RC0000X. Dr. Lieb is licensed in New York.
Specialties and state licenses
- Cardiovascular disease, New YorkPrimary
Cardiologists near Dr. Lieb
Counts of cardiologists 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 E. Lieb billed Medicare for 5,145 services in 2024
CMS data shows 5,145 Medicare services from Dr. Lieb across 25 procedure codes in 2024, for 1,155 Medicare patients. Medicare paid $260,540 for them.
Dr. Lieb's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Tests and treatments
- 2023: 1,9992024: 2,0694%
- Office and hospital visits
- 2023: 1,3362024: 1,3032%
- Other services
- 2023: 02024: 868
- Lab and pathology
- 2023: 6092024: 48421%
- Surgery
- 2023: 3212024: 36915%
- Imaging
- 2023: 632024: 5217%
Where Dr. Lieb's Medicare services took place, 2024
- In an office4,94996%
- In a facility1964%
Dr. Lieb compared with the New York median for cardiologists, 2024
- Dr. Lieb
- New York median
- Medicare services
- 5,145vs 1,6743.1 times
- Medicare patients
- 1,155vs 61189% above
- Part D claims
- 9,126vs 1,4126.5 times
Medians across 2,211 cardiologists in New York with Dmand AI profiles that report each measure.
Dr. Lieb'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. Lieb and other cardiologists in New York.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Mark E. Lieb treated 1,155 Medicare patients in 2024, average age 78
CMS counts 1,155 Medicare patients who saw Dr. Lieb in 2024. The largest group is 75 to 84, with 495 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 5% are also on Medicaid. Their average risk score is 1.39, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Lieb's median patient age at 73, with 44% women.
Dr. Lieb's Medicare patients by age, 2024
Dr. Lieb's Medicare patients by sex, 2024
- Women57149%
- Men58451%
Chronic conditions among Dr. Lieb's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Ischemic heart disease52%
- Arthritis48%
- Atrial fibrillation33%
- Chronic kidney disease29%
- Diabetes25%
- Osteoporosis23%
Share of Medicare patients with each condition. A patient can have several.
Dr. Lieb's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 73
Patient panel by sex, all payers
- Women44%
- Men50%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Mark E. Lieb wrote 9,325 Medicare Part D claims in 2024
In 2024, Dr. Lieb wrote 9,325 Medicare Part D claims for 1,200 patients. 86% of them were for generic drugs. CMS names the drug for 9,126 of them, across 68 drugs with 11 or more claims each, at $1,631,348 in total drug cost. In 2023, CMS named 7,955 claims across 56 drugs.
Dr. Lieb's Part D claims by kind of drug, 2024
- Generic7,999 claims86%
- Brand-name1,326 claims14%
Dr. Lieb'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. Lieb's Part D claims, 2024
- Antibiotics0%18 of 9,325 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: 7,9552024: 9,12615%
Drugs named by CMS: 68 in 2024, 56 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. Mark E. Lieb offers telehealth to Medicare patients
Dr. Lieb accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Lieb as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Mark E. Lieb received $220 in industry payments from 2019 to 2025
CMS Open Payments shows 4 general payments to Dr. Lieb from 2 drug and device companies from 2019 to 2025. Food and beverage make up the largest share, 100% of the total. Cook Medical LLC paid the most, $125.
General payments to Dr. Lieb by program year, 2019 to 2025
Companies that paid Dr. Lieb 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. Mark E. Lieb graduated from Boston University School Of Medicine
Dr. Lieb graduated from Boston University School Of Medicine in 1988.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Mark E. Lieb'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. Mark E. Lieb
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 E. Lieb's NPI number?
Dr. Mark E. Lieb's NPI number is 1619921749. It was assigned on May 22, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Mark E. Lieb?
Dr. Mark E. Lieb is a cardiologist in Mount Kisco, New York. The primary specialty in the NPI Registry is Cardiovascular Disease Physician (taxonomy code 207RC0000X).
Where does Dr. Mark E. Lieb practice?
Dr. Lieb practices at 90 S Bedford Rd, Mount Kisco, NY 10549. Dr. Lieb's primary practice is Caremount Medical in Mount Kisco, New York. Dmand AI also links Dr. Lieb to 5 group practices and clinics and 4 medical groups.
What is Dr. Mark E. Lieb's office phone number?
The practice phone on file for Dr. Lieb is (914) 241-1050.
What is Dr. Mark E. Lieb's medical license number?
Dr. Lieb holds New York license 180753.
Which hospitals is Dr. Mark E. Lieb affiliated with?
Dr. Lieb is affiliated with Northern Westchester Hospital.
What medical group is Dr. Mark E. Lieb part of?
Dr. Lieb is linked to CareMount Medical. Dmand AI links Dr. Lieb to 4 more medical groups.
Does Dr. Mark E. Lieb accept Medicare?
Yes. CMS data shows Dr. Lieb billed Medicare for 5,145 services in 2024, and Dr. Lieb accepts Medicare assignment.
Does Dr. Mark E. Lieb offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Lieb as offering telehealth services.
How many Medicare patients does Dr. Mark E. Lieb see?
CMS counts 1,155 Medicare patients who saw Dr. Lieb in 2024, with an average age of 78.
Show 5 more questionsShow fewer questions
What services does Dr. Mark E. Lieb bill to Medicare?
In 2024, Dr. Lieb's most billed Medicare services were heart test or procedure (93000), office visit, established patient (99214) and medicare service (G2211).
Where did Dr. Mark E. Lieb go to medical school?
Dr. Lieb graduated from Boston University School Of Medicine in 1988.
What drugs does Dr. Mark E. Lieb prescribe most?
In 2024 Medicare Part D data, Dr. Lieb's most prescribed drugs by claims were Atorvastatin Calcium, Metoprolol Succinate and Eliquis.
Has Dr. Mark E. Lieb received payments from drug or device companies?
CMS Open Payments shows $220 in general payments to Dr. Lieb from 2 companies from 2019 to 2025. The largest total came from Cook Medical LLC.
How long has Dr. Mark E. Lieb been practicing?
Dr. Lieb graduated from medical school in 1988, 38 years ago.
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