Dr. Neil Ross Clark, MD
- Medicare services, 2024
- 43
- Medicare patients, 2024
- 72
- Part D claims, 2024
- 17
- Publications
- 22
- Hospital affiliations
- 1
- Practice address
- 555 North Duke Street, Lancaster, PA 17602
- Practice phone
- Call (717) 544-5511
- 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. Neil Ross Clark is a cardiologist in Lancaster, Pennsylvania
Dr. Clark practices at Lancaster General Hospital in Lancaster, Pennsylvania, part of University of Pennsylvania.
Dr. Clark's NPI, 1225005564, was assigned on March 7, 2006. Dr. Clark graduated from Hahnemann University College of Medicine in 1985. Dr. Clark holds Pennsylvania license MD036920E.
- NPI
- 1225005564NPI Registry (opens in a new tab)
- NPI enumeration date
- March 7, 2006
- NPI status
- Active
- Practice phone
- (717) 544-5511
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 67
- Medical school graduation
- 1985
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. Neil Ross Clark practices at Lancaster General Hospital in Lancaster, Pennsylvania
Dr. Clark's primary practice is Lancaster General Hospital, at 555 North Duke Street, Lancaster, PA 17602 in Lancaster County. The practice phone is (717) 544-5511.
- Lancaster General Hospital555 North Duke Street, Lancaster, PA 17602 · Lancaster CountyPhone(717) 544-5511
Source: Dmand AI Affiliation Data
Dr. Neil Ross Clark is affiliated with 2 sites of care and 1 medical group
Dr. Clark's primary practice is Lancaster General Hospital in Lancaster, Pennsylvania, part of University of Pennsylvania. The medical group on file is The Heart Group of Lancaster General Health. Dmand AI also links Dr. Clark to 1 more group practice or clinic, named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Neil Ross Clark's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Clark practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Lancaster General Hospital | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Neil Ross Clark is one of 1,206 cardiologists in Pennsylvania
Cardiovascular disease is Dr. Clark's primary specialty in the NPI Registry, under taxonomy code 207RC0000X. Dr. Clark is licensed in Pennsylvania.
Specialties and state licenses
- Cardiovascular disease, PennsylvaniaPrimary
Cardiologists near Dr. Clark
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. Neil Ross Clark billed Medicare for 43 services in 2024
CMS data shows 43 Medicare services from Dr. Clark across 2 procedure codes in 2024, for 72 Medicare patients. Medicare paid $4,008 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: 1272024: 4366%
- Tests and treatments
- 2023: 492024: 0100%
Dr. Clark compared with the Pennsylvania median for cardiologists, 2024
- Dr. Clark
- Pennsylvania median
- Medicare services
- 43vs 1,74598% below
- Medicare patients
- 72vs 85592% below
- Part D claims
- 755vs 1,66955% below
Medians across 1,207 cardiologists in Pennsylvania 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.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Clark and other cardiologists in Pennsylvania.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Neil Ross Clark treated 72 Medicare patients in 2024, average age 77
CMS counts 72 Medicare patients who saw Dr. Clark in 2024. The largest group is 75 to 84, with 24 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 17% are also on Medicaid. Their average risk score is 2.30, 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 74, with 35% women.
Dr. Clark's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Clark's Medicare patients by sex, 2024
- Women3447%
- Men3853%
Chronic conditions among Dr. Clark's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Ischemic heart disease63%
- Heart failure61%
- Diabetes56%
- Arthritis50%
- Atrial fibrillation50%
- Chronic kidney disease47%
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 74
Patient panel by sex, all payers
- Women35%
- Men65%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Neil Ross Clark wrote 17 Medicare Part D claims in 2024
In 2024, Dr. Clark wrote 17 Medicare Part D claims. 100% of them were for generic drugs. They cover 16 drugs, with $140,770 in total drug cost. In 2022, CMS named 2,062 claims across 28 drugs.
Dr. Clark'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.
Part D claims for drugs CMS names, 2022 to 2023
- 2022
- 2023
- Claims for drugs CMS names
- 2022: 2,0622023: 75563%
Drugs named by CMS: 16 in 2023, 28 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. Neil Ross Clark has 22 publications on record
Dmand AI links 22 papers to Dr. Clark, published from 2011 to 2018. 2013 was the busiest year, with 6. The most frequent topics are Gene Expression Profiling, Software and Computational Biology. Dr. Clark has published most often in BMC Bioinformatics. Dr. Clark's most frequent co-authors are John Cijiang He, MD, Stefania Asciutti, MD, PhD and Timothy J. Cardozo, MD, PhD.
Dr. Clark's papers by year, 2011 to 2018
Topics Dr. Clark writes about most
- Gene Expression Profiling
- Software
- Computational Biology
- Systems Biology
- Gene Library
- Gene Regulatory Networks
- Internet
- Protein Interaction Mapping
Dr. Clark's most frequent co-authors
- John Cijiang He, MD2 shared papers
- Stefania Asciutti, MD, PhD1 shared paper
- Timothy J. Cardozo, MD, PhD1 shared paper
Recent publications by Dr. Clark
See who Dr. Clark researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Clark works with, so you can find a warm path to the right cardiologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Neil Ross Clark received $22 in industry payments in 2024
CMS Open Payments shows 1 general payment to Dr. Clark from 1 drug or device company in 2024. Food and beverage make up the largest share, 100% of the total. Sun Pharmaceutical Industries Inc. paid the most, $22.
Companies that paid Dr. Clark the most, 2024 to 2024
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Neil Ross Clark graduated from Hahnemann University College of Medicine
Dr. Clark graduated from Hahnemann University College of Medicine in 1985.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Neil Ross 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) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| 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. Neil Ross 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. Neil Ross Clark's NPI number?
Dr. Neil Ross Clark's NPI number is 1225005564. It was assigned on March 7, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Neil Ross Clark?
Dr. Neil Ross Clark is a cardiologist in Lancaster, Pennsylvania. The primary specialty in the NPI Registry is Cardiovascular Disease Physician (taxonomy code 207RC0000X).
Where does Dr. Neil Ross Clark practice?
Dr. Clark practices at 555 North Duke Street, Lancaster, PA 17602. Dr. Clark's primary practice is Lancaster General Hospital in Lancaster, Pennsylvania, part of University of Pennsylvania. Dmand AI also links Dr. Clark to 1 group practice or clinic.
What is Dr. Neil Ross Clark's office phone number?
The practice phone on file for Dr. Clark is (717) 544-5511.
What is Dr. Neil Ross Clark's medical license number?
Dr. Clark holds Pennsylvania license MD036920E.
Which hospitals is Dr. Neil Ross Clark affiliated with?
Dr. Clark practices at Lancaster General Hospital in Lancaster, Pennsylvania.
What medical group is Dr. Neil Ross Clark part of?
Dr. Clark is linked to The Heart Group of Lancaster General Health.
Does Dr. Neil Ross Clark accept Medicare?
Yes. CMS data shows Dr. Clark billed Medicare for 43 services in 2024.
How many Medicare patients does Dr. Neil Ross Clark see?
CMS counts 72 Medicare patients who saw Dr. Clark in 2024, with an average age of 77.
What services does Dr. Neil Ross Clark bill to Medicare?
In 2024, Dr. Clark's most billed Medicare services were hospital inpatient care (99223) and hospital inpatient care (99232).
Show 6 more questionsShow fewer questions
Where did Dr. Neil Ross Clark go to medical school?
Dr. Clark graduated from Hahnemann University College of Medicine in 1985.
What drugs does Dr. Neil Ross Clark prescribe most?
In 2023 Medicare Part D data, Dr. Clark's most prescribed drugs by claims were Rosuvastatin Calcium, Eliquis and Atorvastatin Calcium.
Has Dr. Neil Ross Clark received payments from drug or device companies?
CMS Open Payments shows $22 in general payments to Dr. Clark from 1 company from 2024 to 2024. The largest total came from Sun Pharmaceutical Industries Inc.
How long has Dr. Neil Ross Clark been practicing?
Dr. Clark graduated from medical school in 1985, 41 years ago.
Does Dr. Neil Ross Clark do research?
Dmand AI links 22 publications to Dr. Clark, published from 2011 to 2018.
Who does Dr. Neil Ross Clark publish with?
Dr. Clark's most frequent co-authors are John Cijiang He, MD (2 shared papers), Stefania Asciutti, MD, PhD (1 shared paper) and Timothy J. Cardozo, MD, PhD (1 shared paper).
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