Dr. Jonathan William Decker, DO
- Medicare services, 2020
- 12
- Part D claims, 2024
- 294
- Industry payments
- $58
- Affiliated sites
- 1
- Medical groups
- 3
- Practice address
- 290 Ronald St, Cedar Springs, MI 49319
- Practice phone
- Call (517) 281-3107
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
J Wm Decker Management, LLC
Physician office · Cedar Springs, Michigan
Find Dr. Decker'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. Jonathan William Decker is an internist in Columbia, South Carolina
Dr. Decker practices at J Wm Decker Management, LLC in Cedar Springs, Michigan.
Dr. Decker's NPI, 1619275781, was assigned on March 14, 2011. Dr. Decker holds Michigan license 5101019647.
- NPI
- 1619275781NPI Registry (opens in a new tab)
- NPI enumeration date
- March 14, 2011
- NPI status
- Active
- Practice phone
- (517) 281-3107
- 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. Jonathan William Decker practices in Cedar Springs and Columbia
Dr. Decker's primary practice is J Wm Decker Management, LLC, at 290 Ronald St, Cedar Springs, MI 49319. The practice phone is (517) 281-3107. The NPI Registry lists Dr. Decker's practice address as 1330 Taylor St, Columbia, SC 29201.
- J Wm Decker Management, LLCPrimary290 Ronald St, Cedar Springs, MI 49319Phone(517) 281-3107
- NPI Registry address1330 Taylor St, Columbia, SC 29201 · Richland CountyPhone(517) 281-3107
Sources: NPPES NPI Registry (CMS); Dmand AI Affiliation Data; and Dmand AI Practice Data
Dr. Jonathan William Decker is affiliated with 1 site of care and 3 medical groups
Dr. Decker's primary practice is J Wm Decker Management, LLC in Cedar Springs, Michigan. The medical group on file is Covenant Medical Group. Dmand AI also links Dr. Decker to 2 more medical groups, each named with a free account.
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Jonathan William Decker's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Decker practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| J Wm Decker Management, LLC | Available with a free account |
| +2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Jonathan William Decker is one of 1,707 internists in South Carolina
Internal medicine is Dr. Decker's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Decker is licensed in Michigan.
Specialties and state licenses
- Internal medicine, MichiganPrimary
Internists near Dr. Decker
Counts of internists 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. Jonathan William Decker billed Medicare for 12 services in 2020
CMS data shows 12 Medicare services from Dr. Decker across 1 procedure code in 2020, all of them office visits. Medicare paid $1,017 for them. Every service was in an office.
Dr. Decker compared with the South Carolina median for internists, 2020
- Dr. Decker
- South Carolina median
- Medicare services
- 12vs 74098% below
- Part D claims
- 251vs 33124% below
Medians across 1,708 internists in South Carolina with Dmand AI profiles that report each measure.
Dr. Decker's most billed Medicare procedure codes, 2020
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
Need commercial claims for Dr. Decker?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Decker and other internists in South Carolina.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Jonathan William Decker's patients have a median age of 56
Across all payers, Dmand AI patient panel data puts Dr. Decker's median patient age at 56, with 47% women.
Dr. Decker's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 56
Patient panel by sex, all payers
- Women47%
- Men47%
Source: Dmand AI Patient Panel Data
Dr. Jonathan William Decker wrote 294 Medicare Part D claims in 2024
In 2024, Dr. Decker wrote 294 Medicare Part D claims for 92 patients. 55% of them were for generic drugs. CMS names the drug for 251 of them, across 5 drugs with 11 or more claims each, at $22,644 in total drug cost. In 2023, CMS named 644 claims across 8 drugs.
Dr. Decker's Part D claims by kind of drug, 2024
- Generic162 claims55%
- Brand-name132 claims45%
Dr. Decker'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: 6442024: 25161%
Drugs named by CMS: 5 in 2024, 8 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
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Dr. Jonathan William Decker received $58 in industry payments from 2019 to 2025
CMS Open Payments shows 4 general payments to Dr. Decker from 4 drug and device companies from 2019 to 2025. Food and beverage make up the largest share, 100% of the total. Teleflex LLC paid the most, $18.
General payments to Dr. Decker by program year, 2019 to 2025
Companies that paid Dr. Decker the most, 2019 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Jonathan William Decker'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)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. Jonathan William Decker
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. Jonathan William Decker's NPI number?
Dr. Jonathan William Decker's NPI number is 1619275781. It was assigned on March 14, 2011, and it is active in the NPI Registry.
What kind of doctor is Dr. Jonathan William Decker?
Dr. Jonathan William Decker is an internist in Columbia, South Carolina. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Jonathan William Decker practice?
Dr. Decker practices at 290 Ronald St, Cedar Springs, MI 49319. Dr. Decker also practices at 1330 Taylor St, Columbia, SC 29201. Dr. Decker's primary practice is J Wm Decker Management, LLC in Cedar Springs, Michigan. Dmand AI also links Dr. Decker to 2 medical groups.
What is Dr. Jonathan William Decker's office phone number?
The practice phone on file for Dr. Decker is (517) 281-3107.
What is Dr. Jonathan William Decker's medical license number?
Dr. Decker holds Michigan license 5101019647.
What medical group is Dr. Jonathan William Decker part of?
Dr. Decker is linked to Covenant Medical Group. Dmand AI links Dr. Decker to 2 more medical groups.
Does Dr. Jonathan William Decker accept Medicare?
Yes. CMS data shows Dr. Decker billed Medicare for 12 services in 2020.
What services does Dr. Jonathan William Decker bill to Medicare?
In 2020, Dr. Decker's most billed Medicare services were office visit, established patient (99214).
What drugs does Dr. Jonathan William Decker prescribe most?
In 2024 Medicare Part D data, Dr. Decker's most prescribed drugs by claims were Dextroamphetamine-Amphetamine, Shingrix and Boostrix Tdap.
Has Dr. Jonathan William Decker received payments from drug or device companies?
CMS Open Payments shows $58 in general payments to Dr. Decker from 4 companies from 2019 to 2025. The largest total came from Teleflex LLC.
How long has Dr. Jonathan William Decker been practicing?
Dr. Decker's NPI was assigned in 2011.
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