Dr. John D. Chase, MD
- Medicare services, 2022
- 243
- Part D claims, 2023
- 64
- Industry payments
- $2,394
- Affiliated sites
- 1
- State license
- 1
- Practice address
- 300 E Boyd Ave, Greenfield, IN 46140-2834
- Practice phone
- Call (317) 462-6066
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Greenfield Neurology
Physician office · Greenfield, Indiana
Find Dr. Chase'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. John D. Chase is a neurologist in Greenfield, Indiana
Dr. Chase practices at Greenfield Neurology in Greenfield, Indiana.
Dr. Chase's NPI, 1528065547, was assigned on July 5, 2005. Dr. Chase graduated from Northwestern University Feinberg Medical School in 1978. Dr. Chase holds Indiana license 01031696A.
- NPI
- 1528065547NPI Registry (opens in a new tab)
- NPI enumeration date
- July 5, 2005
- NPI status
- Active
- Practice phone
- (317) 462-6066
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 74
- Medical school graduation
- 1978
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. John D. Chase practices at 2 locations in Greenfield, Indiana
Dr. Chase's primary practice is Greenfield Neurology, at 300 E Boyd Ave, Greenfield, IN 46140-2834. The practice phone is (317) 462-6066. The NPI Registry lists Dr. Chase's practice address as 801 N State St, Greenfield, IN 46140.
- Greenfield NeurologyPrimary300 E Boyd Ave, Greenfield, IN 46140-2834Phone(317) 462-6066
- NPI Registry address801 N State St, Greenfield, IN 46140 · Hancock CountyPhone(317) 462-5252
Sources: NPPES NPI Registry (CMS); Dmand AI Affiliation Data; and Dmand AI Practice Data
Dr. John D. Chase is affiliated with 1 site of care
Dr. Chase's primary practice is Greenfield Neurology in Greenfield, Indiana.
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. John D. Chase's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Chase practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Greenfield Neurology | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. John D. Chase is one of 338 neurologists in Indiana
Neurology is Dr. Chase's primary specialty in the NPI Registry, under taxonomy code 2084N0400X. Dr. Chase is licensed in Indiana.
Specialties and state licenses
- Neurology, IndianaPrimary
Neurologists near Dr. Chase
Counts of neurologists 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. John D. Chase billed Medicare for 243 services in 2022
CMS data shows 243 Medicare services from Dr. Chase across 5 procedure codes in 2022. Medicare paid $15,285 for them.
Dr. Chase's Medicare services by type, 2021 to 2022
- 2021
- 2022
- Office and hospital visits
- 2021: 5802022: 22661%
- Surgery
- 2021: 402022: 1757%
- Tests and treatments
- 2021: 782022: 0100%
Where Dr. Chase's Medicare services took place, 2022
- In an office23095%
- In a facility135%
Dr. Chase compared with the Indiana median for neurologists, 2022
- Dr. Chase
- Indiana median
- Medicare services
- 243vs 39238% below
- Part D claims
- 64vs 70691% below
Medians across 335 neurologists in Indiana with Dmand AI profiles that report each measure.
Dr. Chase's most billed Medicare procedure codes, 2022
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. Chase and other neurologists in Indiana.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. John D. Chase's patients have a median age of 64
Across all payers, Dmand AI patient panel data puts Dr. Chase's median patient age at 64, with 66% women.
Dr. Chase's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 64
Patient panel by sex, all payers
- Women66%
- Men31%
Source: Dmand AI Patient Panel Data
Dr. John D. Chase wrote 64 Medicare Part D claims in 2023
In 2023, Dr. Chase wrote 64 Medicare Part D claims. They cover 4 drugs, with $3,459 in total drug cost. In 2022, CMS named 2,919 claims across 67 drugs.
Dr. Chase'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: 2,9192023: 6498%
Drugs named by CMS: 4 in 2023, 67 in 2022.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
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Dr. John D. Chase received $2,394 in industry payments from 2016 to 2022
CMS Open Payments shows 177 general payments to Dr. Chase from 25 drug and device companies from 2016 to 2022. Food and beverage make up the largest share, 82% of the total. Sunovion Pharmaceuticals Inc. paid the most, $1,046.
General payments to Dr. Chase by program year, 2016 to 2022
General payments to Dr. Chase by kind, 2016 to 2022
- Food and beverage$1,96382%
- Education$43118%
Companies that paid Dr. Chase the most, 2016 to 2022
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. John D. Chase graduated from Northwestern University Feinberg Medical School
Dr. Chase graduated from Northwestern University Feinberg Medical School in 1978.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. John D. Chase'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 Affiliation DataDmand AI Practice Data |
| Primary practice, affiliations and health system | Dmand 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 Data |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (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. John D. Chase
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. John D. Chase's NPI number?
Dr. John D. Chase's NPI number is 1528065547. It was assigned on July 5, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. John D. Chase?
Dr. John D. Chase is a neurologist in Greenfield, Indiana. The primary specialty in the NPI Registry is Neurology Physician (taxonomy code 2084N0400X).
Where does Dr. John D. Chase practice?
Dr. Chase practices at 300 E Boyd Ave, Greenfield, IN 46140-2834. Dr. Chase also practices at 801 N State St, Greenfield, IN 46140. Dr. Chase's primary practice is Greenfield Neurology in Greenfield, Indiana.
What is Dr. John D. Chase's office phone number?
The practice phone on file for Dr. Chase is (317) 462-6066.
What is Dr. John D. Chase's medical license number?
Dr. Chase holds Indiana license 01031696A.
Does Dr. John D. Chase accept Medicare?
Yes. CMS data shows Dr. Chase billed Medicare for 243 services in 2022.
What services does Dr. John D. Chase bill to Medicare?
In 2022, Dr. Chase's most billed Medicare services were office visit, established patient (99214), office visit, established patient (99213) and office visit, new patient (99204).
Where did Dr. John D. Chase go to medical school?
Dr. Chase graduated from Northwestern University Feinberg Medical School in 1978.
What drugs does Dr. John D. Chase prescribe most?
In 2023 Medicare Part D data, Dr. Chase's most prescribed drugs by claims were Levetiracetam, Primidone and Divalproex Sodium ER.
Has Dr. John D. Chase received payments from drug or device companies?
CMS Open Payments shows $2,394 in general payments to Dr. Chase from 25 companies from 2016 to 2022. The largest total came from Sunovion Pharmaceuticals Inc.
How long has Dr. John D. Chase been practicing?
Dr. Chase graduated from medical school in 1978, 48 years ago.
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