J Am Coll Cardiol
Defibrillators, ImplantableDelayed DiagnosisDevice Removal
Dr. Douglas S. Segar, MD
NPI1386606663PAC ID3870578081
- Medicare services, 2024
- 1,369
- Medicare patients, 2024
- 872
- Part D claims, 2024
- 3,488
- Publications
- 2
- Clinical trials
- 1
- Practice address
- 250 W 96th St, Indianapolis, IN 46260
- Practice phone
- Call (765) 584-0251
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Ascension St Vincent Randolph Winchester Rehabilitation
Indianapolis, Indiana
Find Dr. Segar's professional email, personal email and mobile number
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Dr. Douglas S. Segar is a cardiologist in Indianapolis, Indiana
Dr. Segar practices at Ascension St Vincent Randolph Winchester Rehabilitation in Indianapolis, Indiana.
Dr. Segar's NPI, 1386606663, was assigned on April 4, 2006. Dr. Segar graduated from Indiana University School of Medicine in 1984. Dr. Segar holds Indiana license 01034661A.
NPI and contact details
- NPI
- 1386606663NPI Registry (opens in a new tab)
- Medicare PAC ID
- 3870578081
- NPI enumeration date
- April 4, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (765) 584-0251
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 68
- Medical school graduation
- 1984
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Douglas S. Segar practices at Ascension St Vincent Randolph Winchester Rehabilitation in Indianapolis, Indiana
Dr. Segar's primary practice is Ascension St Vincent Randolph Winchester Rehabilitation, at 250 W 96th St, Indianapolis, IN 46260 in Marion County. The practice phone is (765) 584-0251.
- Ascension St Vincent Randolph Winchester Rehabilitation250 W 96th St, Indianapolis, IN 46260 · Marion CountyPhone(765) 584-0251
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Douglas S. Segar is affiliated with 8 sites of care and 3 medical groups
Dr. Segar's primary practice is Ascension St Vincent Randolph Winchester Rehabilitation in Indianapolis, Indiana. Dr. Segar is also affiliated with IU Health Methodist Hospital. The medical group on file is Ascension Medical Group St Vincent. Dmand AI also links Dr. Segar to 4 more hospitals, 2 group practices and clinics and 2 medical groups, each named with a free account.
Ascension St Vincent Randolph Winchester RehabilitationPrimary
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Douglas S. Segar's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Segar practices, 7 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Ascension St Vincent Randolph Winchester Rehabilitation | Available with a free account |
| +7 more sites and 2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Douglas S. Segar is one of 414 cardiologists in Indiana
Cardiovascular disease is Dr. Segar's primary specialty in the NPI Registry, under taxonomy code 207RC0000X. Dr. Segar is licensed in Indiana.
Specialties and state licenses
- Cardiovascular disease, IndianaPrimary
Cardiologists near Dr. Segar
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. Douglas S. Segar billed Medicare for 1,369 services in 2024
CMS data shows 1,369 Medicare services from Dr. Segar across 17 procedure codes in 2024, for 872 Medicare patients. Medicare paid $63,765 for them.
Medicare services, 20241,369
Medicare patients872
Paid by Medicare$63,765
Procedure codes17
Dr. Segar's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Tests and treatments
- 2023: 1,2272024: 91625%
- Office and hospital visits
- 2023: 5462024: 45317%
- Lab and pathology
- 2023: 212024: 0100%
Where Dr. Segar's Medicare services took place, 2024
- In an office65848%
- In a facility71152%
Dr. Segar compared with the Indiana median for cardiologists, 2024
- Dr. Segar
- Indiana median
- Medicare services
- 1,369vs 1,96630% below
- Medicare patients
- 872vs 99212% below
- Part D claims
- 3,297vs 3,338Close to median
Medians across 406 cardiologists in Indiana with Dmand AI profiles that report each measure.
Dr. Segar'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. Segar and other cardiologists in Indiana.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Douglas S. Segar treated 872 Medicare patients in 2024, average age 76
CMS counts 872 Medicare patients who saw Dr. Segar in 2024. The largest group is 65 to 74, with 343 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 8% are also on Medicaid. Their average risk score is 1.46, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Segar's median patient age at 74, with 41% women.
Medicare patients, 2024872
Average age76
Average risk score1.46
Also on Medicaid8%
Dr. Segar's Medicare patients by age, 2024
Dr. Segar's Medicare patients by sex, 2024
- Women36342%
- Men50958%
Chronic conditions among Dr. Segar's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Ischemic heart disease60%
- Atrial fibrillation45%
- Arthritis44%
- Heart failure43%
- Diabetes36%
- Chronic kidney disease34%
Share of Medicare patients with each condition. A patient can have several.
Dr. Segar'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
- Women41%
- Men58%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Douglas S. Segar wrote 3,488 Medicare Part D claims in 2024
In 2024, Dr. Segar wrote 3,488 Medicare Part D claims for 415 patients. 81% of them were for generic drugs. CMS names the drug for 3,297 of them, across 39 drugs with 11 or more claims each, at $644,260 in total drug cost. In 2023, CMS named 3,117 claims across 35 drugs.
Part D claims, 20243,488
Drugs named by CMS39
Total drug cost$644,260
Part D patients415
Dr. Segar's Part D claims by kind of drug, 2024
- Generic2,830 claims81%
- Brand-name658 claims19%
Dr. Segar'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.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 3,1172024: 3,2976%
Drugs named by CMS: 39 in 2024, 35 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. Douglas S. Segar takes part in Medicare
Dr. Segar 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)
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Dr. Douglas S. Segar has 2 publications on record
Dmand AI links 2 papers to Dr. Segar in 2011. Dr. Segar's most frequent co-authors are John H. Alexander, Zachary Martin Gertz, MD and David A. Heimansohn, MD.
Papers2
Dr. Segar's most frequent co-authors
- John H. Alexander1 shared paper
- Zachary Martin Gertz, MD1 shared paper
- David A. Heimansohn, MD1 shared paper
Recent publications by Dr. Segar
See who Dr. Segar researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Segar 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. Douglas S. Segar has worked on 1 clinical trial
Dmand AI links Dr. Segar to 1 clinical trial. 1 is still active or recruiting. Conditions studied include Tricuspid Valve Insufficiency and Heart Valve Diseases.
Conditions in Dr. Segar's trials
- Tricuspid Valve Insufficiency
- Heart Valve Diseases
Investigators on the most trials with Dr. Segar
Recent clinical trials with Dr. Segar
Edwards PASCAL Transcatheter Valve Repair System Pivotal Clinical Trial (opens in a new tab)
Recruiting
Tricuspid Valve InsufficiencyHeart Valve DiseasesOptimal Medical TherapyEdwards PASCAL System
Sources: Dmand AI Research Linkage; and ClinicalTrials.gov (National Library of Medicine)
Dr. Douglas S. Segar received $15,502 in industry payments from 2016 to 2023
CMS Open Payments shows 30 general payments to Dr. Segar from 5 drug and device companies from 2016 to 2023. Consulting fees make up the largest share, 71% of the total. Philips Electronics North America Corporation paid the most, $14,256.
General payments to Dr. Segar by program year, 2016 to 2023
General payments to Dr. Segar by kind, 2016 to 2023
$15.5Kin total
- Consulting fees$11,00071%
- Travel and lodging$2,02013%
- Speaker and faculty fees$2,00013%
- Food and beverage$4823%
Companies that paid Dr. Segar the most, 2016 to 2023
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Douglas S. Segar graduated from Indiana University School of Medicine
Dr. Segar graduated from Indiana University School of Medicine in 1984.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Douglas S. Segar'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) |
| 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. Douglas S. Segar
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. Douglas S. Segar's NPI number?
Dr. Douglas S. Segar's NPI number is 1386606663. It was assigned on April 4, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Douglas S. Segar?
Dr. Douglas S. Segar is a cardiologist in Indianapolis, Indiana. The primary specialty in the NPI Registry is Cardiovascular Disease Physician (taxonomy code 207RC0000X).
Where does Dr. Douglas S. Segar practice?
Dr. Segar practices at 250 W 96th St, Indianapolis, IN 46260. Dr. Segar's primary practice is Ascension St Vincent Randolph Winchester Rehabilitation in Indianapolis, Indiana. Dmand AI also links Dr. Segar to 4 hospitals, 2 group practices and clinics and 2 medical groups.
What is Dr. Douglas S. Segar's office phone number?
The practice phone on file for Dr. Segar is (765) 584-0251.
What is Dr. Douglas S. Segar's medical license number?
Dr. Segar holds Indiana license 01034661A.
Which hospitals is Dr. Douglas S. Segar affiliated with?
Dr. Segar is affiliated with IU Health Methodist Hospital. Dmand AI links Dr. Segar to 4 more hospitals.
What medical group is Dr. Douglas S. Segar part of?
Dr. Segar is linked to Ascension Medical Group St Vincent. Dmand AI links Dr. Segar to 2 more medical groups.
Does Dr. Douglas S. Segar accept Medicare?
Yes. CMS data shows Dr. Segar billed Medicare for 1,369 services in 2024, and Dr. Segar accepts Medicare assignment.
How many Medicare patients does Dr. Douglas S. Segar see?
CMS counts 872 Medicare patients who saw Dr. Segar in 2024, with an average age of 76.
What services does Dr. Douglas S. Segar bill to Medicare?
In 2024, Dr. Segar's most billed Medicare services were heart test or procedure (93306), heart test or procedure (93000) and office visit, established patient (99213).
Show 6 more questionsShow fewer questions
Where did Dr. Douglas S. Segar go to medical school?
Dr. Segar graduated from Indiana University School of Medicine in 1984.
What drugs does Dr. Douglas S. Segar prescribe most?
In 2024 Medicare Part D data, Dr. Segar's most prescribed drugs by claims were Atorvastatin Calcium, Metoprolol Succinate and Eliquis.
Has Dr. Douglas S. Segar received payments from drug or device companies?
CMS Open Payments shows $15,502 in general payments to Dr. Segar from 5 companies from 2016 to 2023. The largest total came from Philips Electronics North America Corporation.
How long has Dr. Douglas S. Segar been practicing?
Dr. Segar graduated from medical school in 1984, 42 years ago.
Does Dr. Douglas S. Segar do research?
Dmand AI links 2 publications to Dr. Segar. Dr. Segar has worked on 1 clinical trial.
Who does Dr. Douglas S. Segar publish with?
Dr. Segar's most frequent co-authors are John H. Alexander (1 shared paper), Zachary Martin Gertz, MD (1 shared paper) and David A. Heimansohn, MD (1 shared paper).
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