Dr. John L. Holden, MD
- Medicare services, 2021
- 244
- Part D claims, 2024
- 25
- Hospital affiliations
- 1
- Industry payments
- $1,309
- Medical groups
- 2
- Practice address
- 102 E Culver Rd, Knox, IN 46534
- Practice phone
- Call (574) 772-6231
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Holden'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 L. Holden is a gastroenterologist in Knox, Indiana
Dr. Holden practices at Northwest Health - Starke in Knox, Indiana, part of Community Health Systems.
Dr. Holden's NPI, 1356341846, was assigned on July 26, 2005. Dr. Holden holds Illinois license 036054681.
- NPI
- 1356341846NPI Registry (opens in a new tab)
- NPI enumeration date
- July 26, 2005
- NPI status
- Active
- Practice phone
- (574) 772-6231
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. John L. Holden practices at Northwest Health - Starke in Knox, Indiana
Dr. Holden's primary practice is Northwest Health - Starke, at 102 E Culver Rd, Knox, IN 46534 in Starke County. The practice phone is (574) 772-6231.
- Northwest Health - Starke102 E Culver Rd, Knox, IN 46534 · Starke CountyPhone(574) 772-6231
Source: Dmand AI Affiliation Data
Dr. John L. Holden is affiliated with 2 sites of care and 2 medical groups
Dr. Holden's primary practice is Northwest Health - Starke in Knox, Indiana, part of Community Health Systems. The medical group on file is Sinai Medical Group. Dmand AI also links Dr. Holden to 1 more group practice or clinic 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. John L. Holden's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Holden practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Northwest Health - Starke | 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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Dr. John L. Holden is one of 333 gastroenterologists in Indiana
Gastroenterology is Dr. Holden's primary specialty in the NPI Registry, under taxonomy code 207RG0100X. Dr. Holden is licensed in Illinois.
Specialties and state licenses
- Gastroenterology, IllinoisPrimary
Gastroenterologists near Dr. Holden
Counts of gastroenterologists 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 L. Holden billed Medicare for 244 services in 2021
CMS data shows 244 Medicare services from Dr. Holden across 8 procedure codes in 2021. Medicare paid $24,872 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Holden's Medicare services by type, 2020 to 2021
- 2020
- 2021
- Office and hospital visits
- 2020: 3272021: 15154%
- Surgery
- 2020: 1472021: 9337%
Dr. Holden compared with the Indiana median for gastroenterologists, 2021
- Dr. Holden
- Indiana median
- Medicare services
- 244vs 47148% below
- Part D claims
- 84vs 42280% below
Medians across 330 gastroenterologists in Indiana with Dmand AI profiles that report each measure.
Dr. Holden's most billed Medicare procedure codes, 2021
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. Holden and other gastroenterologists in Indiana.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. John L. Holden's patients have a median age of 66
Across all payers, Dmand AI patient panel data puts Dr. Holden's median patient age at 66, with 50% women.
Dr. Holden's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 66
Patient panel by sex, all payers
- Women50%
- Men50%
Source: Dmand AI Patient Panel Data
Dr. John L. Holden wrote 25 Medicare Part D claims in 2024
In 2024, Dr. Holden wrote 25 Medicare Part D claims. 88% of them were for generic drugs. They cover 1 drug, with $1,190 in total drug cost. In 2018, CMS named 166 claims across 3 drugs.
Dr. Holden's Part D claims by kind of drug, 2024
- Generic22 claims88%
- Brand-name and other3 claims12%
Dr. Holden'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, 2018 to 2019
- 2018
- 2019
- Claims for drugs CMS names
- 2018: 1662019: 8449%
Drugs named by CMS: 1 in 2019, 3 in 2018.
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
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Dr. John L. Holden received $1,309 in industry payments from 2016 to 2020
CMS Open Payments shows 54 general payments to Dr. Holden from 18 drug and device companies from 2016 to 2020. Food and beverage make up the largest share, 99% of the total. Gilead Sciences, Inc. paid the most, $658.
General payments to Dr. Holden by program year, 2016 to 2020
General payments to Dr. Holden by kind, 2016 to 2020
- Food and beverage$1,29799%
- Consulting fees$121%
Companies that paid Dr. Holden the most, 2016 to 2020
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. John L. Holden'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 Data |
| 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) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| 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 L. Holden
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 L. Holden's NPI number?
Dr. John L. Holden's NPI number is 1356341846. It was assigned on July 26, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. John L. Holden?
Dr. John L. Holden is a gastroenterologist in Knox, Indiana. The primary specialty in the NPI Registry is Gastroenterology Physician (taxonomy code 207RG0100X).
Where does Dr. John L. Holden practice?
Dr. Holden practices at 102 E Culver Rd, Knox, IN 46534. Dr. Holden's primary practice is Northwest Health - Starke in Knox, Indiana, part of Community Health Systems. Dmand AI also links Dr. Holden to 1 group practice or clinic and 1 medical group.
What is Dr. John L. Holden's office phone number?
The practice phone on file for Dr. Holden is (574) 772-6231.
What is Dr. John L. Holden's medical license number?
Dr. Holden holds Illinois license 036054681.
Which hospitals is Dr. John L. Holden affiliated with?
Dr. Holden practices at Northwest Health - Starke in Knox, Indiana.
What medical group is Dr. John L. Holden part of?
Dr. Holden is linked to Sinai Medical Group. Dmand AI links Dr. Holden to 1 more medical group.
Does Dr. John L. Holden accept Medicare?
Yes. CMS data shows Dr. Holden billed Medicare for 244 services in 2021.
What services does Dr. John L. Holden bill to Medicare?
In 2021, Dr. Holden's most billed Medicare services were hospital inpatient care (99232), hospital inpatient care (99222) and surgery: digestive system (45378).
What drugs does Dr. John L. Holden prescribe most?
In 2019 Medicare Part D data, Dr. Holden's most prescribed drugs by claims were Gavilyte-G.
Has Dr. John L. Holden received payments from drug or device companies?
CMS Open Payments shows $1,309 in general payments to Dr. Holden from 18 companies from 2016 to 2020. The largest total came from Gilead Sciences, Inc.
How long has Dr. John L. Holden been practicing?
Dr. Holden's NPI was assigned in 2005.
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