Ann Am Thorac Soc
Dr. Lawrence A. Mark, MD
NPI1720025372PAC ID5597778423
- Medicare services, 2024
- 859
- Medicare patients, 2024
- 352
- Part D claims, 2024
- 807
- Publications
- 13
- Clinical trials
- 1
- Practice address
- 2001 W 86th St, Indianapolis, IN 46260
- Practice phone
- Call (317) 338-2172
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Ascension St Vincent Hospital- Indianapolis
Indianapolis, Indiana
Find Dr. Mark's professional email, personal email and mobile number
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Dr. Lawrence A. Mark is a dermatologist in Indianapolis, Indiana
Dr. Mark practices at Ascension St Vincent Hospital- Indianapolis in Indianapolis, Indiana.
Dr. Mark's NPI, 1720025372, was assigned on June 1, 2006. Dr. Mark graduated from Indiana University School of Medicine in 2002. Dr. Mark holds Indiana license 01062068.
NPI and contact details
- NPI
- 1720025372NPI Registry (opens in a new tab)
- Medicare PAC ID
- 5597778423
- NPI enumeration date
- June 1, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (317) 338-2172
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 50
- Medical school graduation
- 2002
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Lawrence A. Mark practices at Ascension St Vincent Hospital- Indianapolis in Indianapolis, Indiana
Dr. Mark's primary practice is Ascension St Vincent Hospital- Indianapolis, at 2001 W 86th St, Indianapolis, IN 46260 in Marion County. The practice phone is (317) 338-2172.
- Ascension St Vincent Hospital- Indianapolis2001 W 86th St, Indianapolis, IN 46260 · Marion CountyPhone(317) 338-2172
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Lawrence A. Mark is affiliated with 7 sites of care and 1 medical group
Dr. Mark's primary practice is Ascension St Vincent Hospital- Indianapolis in Indianapolis, Indiana. Dr. Mark is also affiliated with IU Health Methodist Hospital. The medical group on file is IU Health Medical Group. Dmand AI also links Dr. Mark to 4 more hospitals and 1 group practice or clinic, each named with a free account.
Ascension St Vincent Hospital- IndianapolisPrimary
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Lawrence A. Mark's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Mark practices, 6 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Ascension St Vincent Hospital- Indianapolis | Available with a free account |
| +6 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
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Dr. Lawrence A. Mark is one of 176 dermatologists in Indiana
Dermatology is Dr. Mark's primary specialty in the NPI Registry, under taxonomy code 207N00000X. Dr. Mark is licensed in Indiana.
Specialties and state licenses
- Dermatology, IndianaPrimary
Dermatologists near Dr. Mark
Counts of dermatologists 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. Lawrence A. Mark billed Medicare for 859 services in 2024
CMS data shows 859 Medicare services from Dr. Mark across 12 procedure codes in 2024, for 352 Medicare patients. Medicare paid $31,021 for them.
Medicare services, 2024859
Medicare patients352
Paid by Medicare$31,021
Procedure codes12
Dr. Mark's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Surgery
- 2023: 4602024: 4571%
- Office and hospital visits
- 2023: 4632024: 40213%
Where Dr. Mark's Medicare services took place, 2024
- In an office30035%
- In a facility55965%
Dr. Mark compared with the Indiana median for dermatologists, 2024
- Dr. Mark
- Indiana median
- Medicare services
- 859vs 2,60667% below
- Medicare patients
- 352vs 63545% below
- Part D claims
- 606vs 6486% below
Medians across 187 dermatologists in Indiana with Dmand AI profiles that report each measure.
Dr. Mark'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. Mark and other dermatologists in Indiana.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Lawrence A. Mark treated 352 Medicare patients in 2024, average age 73
CMS counts 352 Medicare patients who saw Dr. Mark in 2024. The largest group is 65 to 74, with 168 patients. 72% of them have high blood pressure, and 66% have high cholesterol. 18% are also on Medicaid. Their average risk score is 1.27, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Mark's median patient age at 59, with 54% women.
Medicare patients, 2024352
Average age73
Average risk score1.27
Also on Medicaid18%
Dr. Mark's Medicare patients by age, 2024
Dr. Mark's Medicare patients by sex, 2024
- Women15043%
- Men20257%
Chronic conditions among Dr. Mark's Medicare patients, 2024
- High blood pressure72%
- High cholesterol66%
- Arthritis41%
- Diabetes25%
- Chronic kidney disease24%
- Ischemic heart disease24%
- Mood disorders23%
- Cancer22%
Share of Medicare patients with each condition. A patient can have several.
Dr. Mark's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 59
Patient panel by sex, all payers
- Women54%
- Men45%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Lawrence A. Mark wrote 807 Medicare Part D claims in 2024
In 2024, Dr. Mark wrote 807 Medicare Part D claims for 232 patients. 89% of them were for generic drugs. CMS names the drug for 606 of them, across 23 drugs with 11 or more claims each, at $273,596 in total drug cost. In 2023, CMS named 727 claims across 28 drugs.
Part D claims, 2024807
Drugs named by CMS23
Total drug cost$273,596
Part D patients232
Dr. Mark's Part D claims by kind of drug, 2024
- Generic719 claims89%
- Brand-name88 claims11%
Dr. Mark'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. Mark's Part D claims, 2024
- Antibiotics10%80 of 807 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: 7272024: 60617%
Drugs named by CMS: 23 in 2024, 28 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. Lawrence A. Mark ranks in the 82nd percentile for removal of skin lesions in Medicare
Dr. Mark accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 294 procedures of removal of skin lesions by Dr. Mark, more than 82% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Where Dr. Mark ranks in Medicare procedure volume
- Removal of skin lesions
- 82nd percentile294 procedures
- Skin biopsy
- 69th percentile53 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Melanoma (skin cancer) excision: 1 to 10 procedures (CMS shows small counts as a range)
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
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Dr. Lawrence A. Mark has 13 publications on record
Dmand AI links 13 papers to Dr. Mark, published from 2017 to 2025. 2017 was the busiest year, with 2. The most frequent topics are Skin Neoplasms, Diagnosis, Differential and Melanoma. Dr. Mark has published most often in Cutis. Dr. Mark's most frequent co-authors are Sumaira Zareen Aasi, MD, Carlo M. Contreras, MD and Jeffrey M. Farma, MD.
Papers13
Years published2017 to 2025
Dr. Mark's papers by year, 2017 to 2025
Topics Dr. Mark writes about most
- Skin Neoplasms
- Diagnosis, Differential
- Melanoma
- Carcinoma, Basal Cell
- CD8-Positive T-Lymphocytes
- Mycosis Fungoides
Dr. Mark's most frequent co-authors
- Sumaira Zareen Aasi, MD2 shared papers
- Carlo M. Contreras, MD2 shared papers
- Jeffrey M. Farma, MD2 shared papers
Recent publications by Dr. Mark
J Pediatr Hematol Oncol
CD8-Positive T-LymphocytesMycosis FungoidesSkin Diseases
Otolaryngol Clin North Am
ImmunotherapyMelanomaOncolytic Virotherapy
BiopsyCD8-Positive T-LymphocytesDiagnosis, Differential
See who Dr. Mark researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Mark works with, so you can find a warm path to the right dermatologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Lawrence A. Mark has worked on 1 clinical trial
Dmand AI links Dr. Mark to 1 clinical trial. Conditions studied include Mycosis Fungoides and Lymphoma, T-Cell, Cutaneous.
Conditions in Dr. Mark's trials
- Mycosis Fungoides
- Lymphoma, T-Cell, Cutaneous
Investigators on the most trials with Dr. Mark
Recent clinical trials with Dr. Mark
Mycosis FungoidesLymphoma, T-Cell, Cutaneous
Sources: Dmand AI Research Linkage; and ClinicalTrials.gov (National Library of Medicine)
Dr. Lawrence A. Mark received $377 in industry payments from 2016 to 2024
CMS Open Payments shows 6 general payments to Dr. Mark from 3 drug and device companies from 2016 to 2024. Food and beverage make up the largest share, 100% of the total. Actelion Pharmaceuticals US, Inc. paid the most, $279.
General payments to Dr. Mark by program year, 2016 to 2024
Companies that paid Dr. Mark the most, 2016 to 2024
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Lawrence A. Mark graduated from Indiana University School of Medicine
Dr. Mark graduated from Indiana University School of Medicine in 2002.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Lawrence A. Mark'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)Doctors and Clinicians Utilization Data (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 |
| Clinical trials and co-investigators | Dmand AI Research LinkageClinicalTrials.gov (National Library of Medicine) (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. Lawrence A. Mark
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. Lawrence A. Mark's NPI number?
Dr. Lawrence A. Mark's NPI number is 1720025372. It was assigned on June 1, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Lawrence A. Mark?
Dr. Lawrence A. Mark is a dermatologist in Indianapolis, Indiana. The primary specialty in the NPI Registry is Dermatology Physician (taxonomy code 207N00000X).
Where does Dr. Lawrence A. Mark practice?
Dr. Mark practices at 2001 W 86th St, Indianapolis, IN 46260. Dr. Mark's primary practice is Ascension St Vincent Hospital- Indianapolis in Indianapolis, Indiana. Dmand AI also links Dr. Mark to 4 hospitals and 1 group practice or clinic.
What is Dr. Lawrence A. Mark's office phone number?
The practice phone on file for Dr. Mark is (317) 338-2172.
What is Dr. Lawrence A. Mark's medical license number?
Dr. Mark holds Indiana license 01062068.
Which hospitals is Dr. Lawrence A. Mark affiliated with?
Dr. Mark is affiliated with IU Health Methodist Hospital. Dmand AI links Dr. Mark to 4 more hospitals.
What medical group is Dr. Lawrence A. Mark part of?
Dr. Mark is linked to IU Health Medical Group.
Does Dr. Lawrence A. Mark accept Medicare?
Yes. CMS data shows Dr. Mark billed Medicare for 859 services in 2024, and Dr. Mark accepts Medicare assignment.
How many Medicare patients does Dr. Lawrence A. Mark see?
CMS counts 352 Medicare patients who saw Dr. Mark in 2024, with an average age of 73.
What services does Dr. Lawrence A. Mark bill to Medicare?
In 2024, Dr. Mark's most billed Medicare services were office visit, established patient (99213), surgery: skin and soft tissue (17003) and office visit, established patient (99214).
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Where did Dr. Lawrence A. Mark go to medical school?
Dr. Mark graduated from Indiana University School of Medicine in 2002.
What drugs does Dr. Lawrence A. Mark prescribe most?
In 2024 Medicare Part D data, Dr. Mark's most prescribed drugs by claims were Ketoconazole, Clobetasol Propionate and Triamcinolone Acetonide.
Has Dr. Lawrence A. Mark received payments from drug or device companies?
CMS Open Payments shows $377 in general payments to Dr. Mark from 3 companies from 2016 to 2024. The largest total came from Actelion Pharmaceuticals US, Inc.
How long has Dr. Lawrence A. Mark been practicing?
Dr. Mark graduated from medical school in 2002, 24 years ago.
Does Dr. Lawrence A. Mark do research?
Dmand AI links 13 publications to Dr. Mark, published from 2017 to 2025. Dr. Mark has worked on 1 clinical trial.
Who does Dr. Lawrence A. Mark publish with?
Dr. Mark's most frequent co-authors are Sumaira Zareen Aasi, MD (2 shared papers), Carlo M. Contreras, MD (2 shared papers) and Jeffrey M. Farma, MD (2 shared papers).
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