Dr. Jay Allen Gaddy, MD
- Medicare services, 2024
- 88
- Medicare patients, 2024
- 26
- Part D claims, 2019
- 14
- Hospital affiliations
- 3
- Industry payments
- $414
- Practice address
- 2001 W 86th St, Indianapolis, IN 46260
- Practice phone
- Call (317) 338-7000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Find Dr. Gaddy'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. Jay Allen Gaddy is a hematologist and oncologist in Indianapolis, Indiana
Dr. Gaddy practices at Ascension St. Vincent Hospital - Indianapolis in Indianapolis, Indiana, part of Ascension Health Alliance.
Dr. Gaddy's NPI, 1124102918, was assigned on October 25, 2006. Dr. Gaddy graduated from Indiana University School of Medicine in 2001. Dr. Gaddy holds Indiana license 01062387A.
- NPI
- 1124102918NPI Registry (opens in a new tab)
- Medicare PAC ID
- 3678673662
- NPI enumeration date
- October 25, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (317) 338-7000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 51
- Medical school graduation
- 2001
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Jay Allen Gaddy practices at Ascension St. Vincent Hospital - Indianapolis in Indianapolis, Indiana
Dr. Gaddy'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) 338-7000.
- Ascension St. Vincent Hospital - Indianapolis2001 W 86th St, Indianapolis, IN 46260 · Marion CountyPhone(317) 338-7000
Source: Dmand AI Affiliation Data
Dr. Jay Allen Gaddy is affiliated with 5 sites of care and 2 medical groups
Dr. Gaddy's primary practice is Ascension St. Vincent Hospital - Indianapolis in Indianapolis, Indiana, part of Ascension Health Alliance. Dr. Gaddy is also affiliated with Ascension St. Vincent Carmel. The medical group on file is Innovative Hematology / Indiana Hemophilia & Thrombosis Center. Dmand AI also links Dr. Gaddy to 1 more hospital, 2 group practices and clinics and 1 medical group, 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. Jay Allen Gaddy's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Gaddy practices, 5 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 |
| +4 more sites and 1 medical group | 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 Ascension Health Alliance and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Jay Allen Gaddy is one of 224 hematologists and oncologists in Indiana
Hematology and oncology is Dr. Gaddy's primary specialty in the NPI Registry, under taxonomy code 207RH0003X. Dr. Gaddy is licensed in Indiana.
Specialties and state licenses
- Hematology and oncology, IndianaPrimary
Hematologists and oncologists near Dr. Gaddy
Counts of hematologists and oncologists 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. Jay Allen Gaddy billed Medicare for 88 services in 2024
CMS data shows 88 Medicare services from Dr. Gaddy across 2 procedure codes in 2024, for 26 Medicare patients. Medicare paid $5,818 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Gaddy's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 772024: 8814%
Dr. Gaddy compared with the Indiana median for hematologists and oncologists, 2024
- Dr. Gaddy
- Indiana median
- Medicare services
- 88vs 76088% below
- Medicare patients
- 26vs 26490% below
- Part D claims
- 14vs 42397% below
Medians across 215 hematologists and oncologists in Indiana with Dmand AI profiles that report each measure.
Dr. Gaddy'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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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Jay Allen Gaddy treated 26 Medicare patients in 2024, average age 72
CMS counts 26 Medicare patients who saw Dr. Gaddy in 2024. The largest group is 65 to 74, with 13 patients. 75% of them have high blood pressure, and 69% have high cholesterol. Their average risk score is 2.53, 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. Gaddy's median patient age at 72, with 38% women.
Dr. Gaddy's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Gaddy's Medicare patients by sex, 2024
- Women1142%
- Men1558%
Chronic conditions among Dr. Gaddy's Medicare patients, 2024
- High blood pressure75%
- High cholesterol69%
- Arthritis54%
- Anxiety50%
- Depression50%
- Mood disorders50%
- Chronic kidney disease42%
- Heart failure42%
Share of Medicare patients with each condition. A patient can have several.
Dr. Gaddy's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 72
Patient panel by sex, all payers
- Women38%
- Men59%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Jay Allen Gaddy wrote 14 Medicare Part D claims in 2019
In 2019, Dr. Gaddy wrote 14 Medicare Part D claims. They cover 1 drug, with $6,627 in total drug cost. In 2017, CMS named 21 claims across 1 drug.
Dr. Gaddy's most prescribed drugs by claims, 2019
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, 2017 to 2019
- 2017
- 2019
- Claims for drugs CMS names
- 2017: 212019: 1433%
Drugs named by CMS: 1 in 2019, 1 in 2017.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
How Dr. Jay Allen Gaddy takes part in Medicare
Dr. Gaddy 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. Jay Allen Gaddy received $414 in industry payments from 2016 to 2019
CMS Open Payments shows 6 general payments to Dr. Gaddy from 3 drug and device companies from 2016 to 2019. Food and beverage make up the largest share, 98% of the total. Alexion Pharmaceuticals, Inc. paid the most, $266.
General payments to Dr. Gaddy by program year, 2016 to 2019
General payments to Dr. Gaddy by kind, 2016 to 2019
- Food and beverage$40498%
- Education$102%
Companies that paid Dr. Gaddy 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. Jay Allen Gaddy graduated from Indiana University School of Medicine
Dr. Gaddy graduated from Indiana University School of Medicine in 2001.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Jay Allen Gaddy'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) |
| 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. Jay Allen Gaddy
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. Jay Allen Gaddy's NPI number?
Dr. Jay Allen Gaddy's NPI number is 1124102918. It was assigned on October 25, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Jay Allen Gaddy?
Dr. Jay Allen Gaddy is a hematologist and oncologist in Indianapolis, Indiana. The primary specialty in the NPI Registry is Hematology & Oncology Physician (taxonomy code 207RH0003X).
Where does Dr. Jay Allen Gaddy practice?
Dr. Gaddy practices at 2001 W 86th St, Indianapolis, IN 46260. Dr. Gaddy's primary practice is Ascension St. Vincent Hospital - Indianapolis in Indianapolis, Indiana, part of Ascension Health Alliance. Dmand AI also links Dr. Gaddy to 1 hospital, 2 group practices and clinics and 1 medical group.
What is Dr. Jay Allen Gaddy's office phone number?
The practice phone on file for Dr. Gaddy is (317) 338-7000.
What is Dr. Jay Allen Gaddy's medical license number?
Dr. Gaddy holds Indiana license 01062387A.
Which hospitals is Dr. Jay Allen Gaddy affiliated with?
Dr. Gaddy practices at Ascension St. Vincent Hospital - Indianapolis in Indianapolis, Indiana. Dr. Gaddy is also affiliated with Ascension St. Vincent Carmel. Dmand AI links Dr. Gaddy to 1 more hospital.
What medical group is Dr. Jay Allen Gaddy part of?
Dr. Gaddy is linked to Innovative Hematology / Indiana Hemophilia & Thrombosis Center. Dmand AI links Dr. Gaddy to 1 more medical group.
Does Dr. Jay Allen Gaddy accept Medicare?
Yes. CMS data shows Dr. Gaddy billed Medicare for 88 services in 2024, and Dr. Gaddy accepts Medicare assignment.
How many Medicare patients does Dr. Jay Allen Gaddy see?
CMS counts 26 Medicare patients who saw Dr. Gaddy in 2024, with an average age of 72.
What services does Dr. Jay Allen Gaddy bill to Medicare?
In 2024, Dr. Gaddy's most billed Medicare services were hospital inpatient care (99232) and hospital inpatient care (99233).
Show 4 more questionsShow fewer questions
Where did Dr. Jay Allen Gaddy go to medical school?
Dr. Gaddy graduated from Indiana University School of Medicine in 2001.
What drugs does Dr. Jay Allen Gaddy prescribe most?
In 2019 Medicare Part D data, Dr. Gaddy's most prescribed drugs by claims were Eliquis.
Has Dr. Jay Allen Gaddy received payments from drug or device companies?
CMS Open Payments shows $414 in general payments to Dr. Gaddy from 3 companies from 2016 to 2019. The largest total came from Alexion Pharmaceuticals, Inc.
How long has Dr. Jay Allen Gaddy been practicing?
Dr. Gaddy graduated from medical school in 2001, 25 years ago.
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