Dr. Mark Andrew Clark, MD
- Medicare services, 2024
- 694
- Medicare patients, 2024
- 451
- Part D claims, 2024
- 186
- Hospital affiliations
- 5
- Industry payments
- $340
- Practice address
- 101 Dates Drive, Ithaca, NY 14850
- Practice phone
- Call (607) 274-4401
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Clark'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 Andrew Clark is an emergency medicine physician in Ithaca, New York
Dr. Clark practices at Cayuga Medical Center in Ithaca, New York, part of Centralus Health.
Dr. Clark's NPI, 1588737167, was assigned on November 15, 2006. Dr. Clark graduated from Warren Alpert Medical School of Brown University in 1993. Dr. Clark holds New York license 197373.
- NPI
- 1588737167NPI Registry (opens in a new tab)
- Medicare PAC ID
- 6002998341
- NPI enumeration date
- November 15, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (607) 274-4401
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 59
- Medical school graduation
- 1993
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Mark Andrew Clark practices at Cayuga Medical Center in Ithaca, New York
Dr. Clark's primary practice is Cayuga Medical Center, at 101 Dates Drive, Ithaca, NY 14850 in Tompkins County. The practice phone is (607) 274-4401.
- Cayuga Medical Center101 Dates Drive, Ithaca, NY 14850 · Tompkins CountyPhone(607) 274-4401
Source: Dmand AI Affiliation Data
Dr. Mark Andrew Clark is affiliated with 6 sites of care and 5 medical groups
Dr. Clark's primary practice is Cayuga Medical Center in Ithaca, New York, part of Centralus Health. Dr. Clark is also affiliated with Mount Sinai West. The medical group on file is Emergency Medicine Associates of Cayuga. Dmand AI also links Dr. Clark to 3 more hospitals, 4 medical groups and 1 community health center, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Mark Andrew Clark's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Clark practices, 6 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Cayuga Medical Center | Available with a free account |
| +5 more sites and 4 medical groups | 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 Centralus Health and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Mark Andrew Clark is one of 3,709 emergency medicine physicians in New York
Emergency medicine is Dr. Clark's primary specialty in the NPI Registry, under taxonomy code 207P00000X. Dr. Clark is licensed in New York.
Specialties and state licenses
- Emergency medicine, New YorkPrimary
Emergency medicine physicians near Dr. Clark
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 Andrew Clark billed Medicare for 694 services in 2024
CMS data shows 694 Medicare services from Dr. Clark across 5 procedure codes in 2024, for 451 Medicare patients. Medicare paid $58,616 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Clark's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 5472024: 48012%
- Tests and treatments
- 2023: 282024: 214664%
Dr. Clark compared with the New York median for emergency medicine physicians, 2024
- Dr. Clark
- New York median
- Medicare services
- 694vs 2193.2 times
- Medicare patients
- 451vs 2162.1 times
- Part D claims
- 86vs 293.0 times
Medians across 3,510 emergency medicine physicians in New York with Dmand AI profiles that report each measure.
Dr. Clark'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. Clark?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Clark 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 Andrew Clark treated 451 Medicare patients in 2024, average age 76
CMS counts 451 Medicare patients who saw Dr. Clark in 2024. The largest group is 85 and over, with 135 patients. 75% of them have high blood pressure, and 65% have high cholesterol. 31% are also on Medicaid. Their average risk score is 1.82, 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. Clark's median patient age at 43, with 55% women.
Dr. Clark's Medicare patients by age, 2024
Dr. Clark's Medicare patients by sex, 2024
- Women25757%
- Men19443%
Chronic conditions among Dr. Clark's Medicare patients, 2024
- High blood pressure75%
- High cholesterol65%
- Arthritis55%
- Anxiety38%
- Mood disorders37%
- Atrial fibrillation35%
- Depression34%
- Ischemic heart disease33%
Share of Medicare patients with each condition. A patient can have several.
Dr. Clark's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 43
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. Mark Andrew Clark wrote 186 Medicare Part D claims in 2024
In 2024, Dr. Clark wrote 186 Medicare Part D claims for 136 patients. 93% of them were for generic drugs. CMS names the drug for 86 of them, across 5 drugs with 11 or more claims each, at $255 in total drug cost. In 2023, CMS named 73 claims across 4 drugs.
Dr. Clark's Part D claims by kind of drug, 2024
- Generic173 claims93%
- Brand-name and other13 claims7%
Dr. Clark'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. Clark's Part D claims, 2024
- Opioids14%26 of 186 claims
- Antibiotics45%84 of 186 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: 732024: 8618%
Drugs named by CMS: 5 in 2024, 4 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
How Dr. Mark Andrew Clark takes part in Medicare
Dr. Clark accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- 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. Mark Andrew Clark received $340 in industry payments from 2016 to 2019
CMS Open Payments shows 9 general payments to Dr. Clark from 5 drug and device companies from 2016 to 2019. Food and beverage make up the largest share, 59% of the total. Alkermes, Inc. paid the most, $152.
General payments to Dr. Clark by program year, 2016 to 2019
General payments to Dr. Clark by kind, 2016 to 2019
- Food and beverage$20059%
- Gifts$14041%
Companies that paid Dr. Clark the most, 2016 to 2019
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Mark Andrew Clark graduated from Warren Alpert Medical School of Brown University
Dr. Clark graduated from Warren Alpert Medical School of Brown University in 1993.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Mark Andrew Clark'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) |
| 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 Andrew Clark
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 Andrew Clark's NPI number?
Dr. Mark Andrew Clark's NPI number is 1588737167. It was assigned on November 15, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Mark Andrew Clark?
Dr. Mark Andrew Clark is an emergency medicine physician in Ithaca, New York. The primary specialty in the NPI Registry is Emergency Medicine Physician (taxonomy code 207P00000X).
Where does Dr. Mark Andrew Clark practice?
Dr. Clark practices at 101 Dates Drive, Ithaca, NY 14850. Dr. Clark's primary practice is Cayuga Medical Center in Ithaca, New York, part of Centralus Health. Dmand AI also links Dr. Clark to 3 hospitals, 4 medical groups and 1 community health center.
What is Dr. Mark Andrew Clark's office phone number?
The practice phone on file for Dr. Clark is (607) 274-4401.
What is Dr. Mark Andrew Clark's medical license number?
Dr. Clark holds New York license 197373.
Which hospitals is Dr. Mark Andrew Clark affiliated with?
Dr. Clark practices at Cayuga Medical Center in Ithaca, New York. Dr. Clark is also affiliated with Mount Sinai West. Dmand AI links Dr. Clark to 3 more hospitals.
What medical group is Dr. Mark Andrew Clark part of?
Dr. Clark is linked to Emergency Medicine Associates of Cayuga. Dmand AI links Dr. Clark to 4 more medical groups.
Does Dr. Mark Andrew Clark accept Medicare?
Yes. CMS data shows Dr. Clark billed Medicare for 694 services in 2024, and Dr. Clark accepts Medicare assignment.
How many Medicare patients does Dr. Mark Andrew Clark see?
CMS counts 451 Medicare patients who saw Dr. Clark in 2024, with an average age of 76.
What services does Dr. Mark Andrew Clark bill to Medicare?
In 2024, Dr. Clark's most billed Medicare services were emergency department visit (99285), heart test or procedure (93010) and emergency department visit (99284).
Show 4 more questionsShow fewer questions
Where did Dr. Mark Andrew Clark go to medical school?
Dr. Clark graduated from Warren Alpert Medical School of Brown University in 1993.
What drugs does Dr. Mark Andrew Clark prescribe most?
In 2024 Medicare Part D data, Dr. Clark's most prescribed drugs by claims were Cephalexin, Prednisone and Azithromycin.
Has Dr. Mark Andrew Clark received payments from drug or device companies?
CMS Open Payments shows $340 in general payments to Dr. Clark from 5 companies from 2016 to 2019. The largest total came from Alkermes, Inc.
How long has Dr. Mark Andrew Clark been practicing?
Dr. Clark graduated from medical school in 1993, 33 years ago.
Selling to emergency medicine practices?
See emergency medicine physicians 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