Jack C. Derby, OD
- Medicare patients, 2024
- 249
- Part D claims, 2024
- 506
- Industry payments
- $121
- Affiliated sites
- 1
- Medical group
- 1
- Practice address
- 506 S Washington St, Marion, IN 46953
- Practice phone
- Call (260) 563-0884
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Marion Family Optometrists, Inc.
Marion, Indiana
Find Jack Derby'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.
Jack C. Derby is an optometrist in Marion, Indiana
Jack Derby practices at Marion Family Optometrists, Inc. in Marion, Indiana.
Jack Derby's NPI, 1841671948, was assigned on June 15, 2015. Jack Derby graduated from Indiana University - School of Optometry in 2015. Jack Derby holds Indiana license 18003896A.
- NPI
- 1841671948NPI Registry (opens in a new tab)
- Medicare PAC ID
- 5991019382
- NPI enumeration date
- June 15, 2015
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (260) 563-0884
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 37
- Medical school graduation
- 2015
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Jack C. Derby practices at Marion Family Optometrists, Inc. in Marion, Indiana
Jack Derby's primary practice is Marion Family Optometrists, Inc., at 506 S Washington St, Marion, IN 46953 in Grant County. The practice phone is (260) 563-0884.
- Marion Family Optometrists, Inc.506 S Washington St, Marion, IN 46953 · Grant CountyPhone(260) 563-0884
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Jack C. Derby is affiliated with 2 sites of care and 1 medical group
Jack Derby's primary practice is Marion Family Optometrists, Inc. in Marion, Indiana. Dmand AI also links Jack Derby to 1 group practice or clinic and 1 medical group, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Jack C. Derby's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Jack Derby practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Marion Family Optometrists, Inc. | Available with a free account |
| +1 more site and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Jack C. Derby is one of 1,172 optometrists in Indiana
Optometrist is Jack Derby's primary specialty in the NPI Registry, under taxonomy code 152W00000X. Jack Derby is licensed in Indiana.
Specialties and state licenses
- Optometrist, IndianaPrimary
Optometrists near Jack Derby
Counts of optometrists 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
Jack C. Derby treated 249 Medicare patients in 2024, average age 73
CMS counts 249 Medicare patients who saw Jack Derby in 2024. The largest group is 65 to 74, with 145 patients. 71% of them have high cholesterol, and 65% have high blood pressure. 12% are also on Medicaid. Their average risk score is 0.91, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Jack Derby's median patient age at 71, with 63% women.
Jack Derby's Medicare patients by age, 2024
Jack Derby's Medicare patients by sex, 2024
- Women15663%
- Men9337%
Chronic conditions among Jack Derby's Medicare patients, 2024
- High cholesterol71%
- High blood pressure65%
- Arthritis42%
- Diabetes34%
- Chronic kidney disease23%
- Anxiety21%
- Ischemic heart disease20%
- Mood disorders18%
Share of Medicare patients with each condition. A patient can have several.
Jack Derby's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 71
Patient panel by sex, all payers
- Women63%
- Men37%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Jack C. Derby wrote 506 Medicare Part D claims in 2024
In 2024, Jack Derby wrote 506 Medicare Part D claims for 155 patients. 68% of them were for generic drugs.
Jack Derby's Part D claims by kind of drug, 2024
- Generic345 claims68%
- Brand-name161 claims32%
Drug classes CMS tracks in Jack Derby's Part D claims, 2024
- Antibiotics4%19 of 506 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
Jack C. Derby ranks in the 52nd percentile for cataract surgery in Medicare
Jack Derby accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 28 procedures of cataract surgery by Jack Derby, more than 52% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Where Jack Derby ranks in Medicare procedure volume
- Cataract surgery
- 52nd percentile28 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
For MedTech and pharma teams
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Jack C. Derby received $121 in industry payments in 2025
CMS Open Payments shows 1 general payment to Jack Derby from 1 drug or device company in 2025. Food and beverage make up the largest share, 100% of the total. Tarsus Pharmaceuticals, Inc. paid the most, $121.
Companies that paid Jack Derby the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Jack C. Derby graduated from Indiana University - School of Optometry
Jack Derby graduated from Indiana University - School of Optometry in 2015.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Jack C. Derby'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 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 (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) |
| 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 Jack C. Derby
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Jack C. Derby's NPI number?
Jack C. Derby's NPI number is 1841671948. It was assigned on June 15, 2015, and it is active in the NPI Registry.
What does Jack C. Derby specialize in?
Jack C. Derby is an optometrist in Marion, Indiana. The primary specialty in the NPI Registry is Optometrist (taxonomy code 152W00000X).
Where does Jack C. Derby practice?
Jack Derby practices at 506 S Washington St, Marion, IN 46953. Jack Derby's primary practice is Marion Family Optometrists, Inc. in Marion, Indiana. Dmand AI also links Jack Derby to 1 group practice or clinic and 1 medical group.
What is Jack C. Derby's office phone number?
The practice phone on file for Jack Derby is (260) 563-0884.
What is Jack C. Derby's medical license number?
Jack Derby holds Indiana license 18003896A.
Does Jack C. Derby accept Medicare?
Yes. CMS lists Jack Derby as accepting Medicare assignment.
How many Medicare patients does Jack C. Derby see?
CMS counts 249 Medicare patients who saw Jack Derby in 2024, with an average age of 73.
Where did Jack C. Derby go to medical school?
Jack Derby graduated from Indiana University - School of Optometry in 2015.
Has Jack C. Derby received payments from drug or device companies?
CMS Open Payments shows $121 in general payments to Jack Derby from 1 company from 2025 to 2025. The largest total came from Tarsus Pharmaceuticals, Inc.
How long has Jack C. Derby been practicing?
Jack Derby graduated from medical school in 2015, 11 years ago.
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