Dr. John Daniel Koontz, MD
- Medicare patients, 2024
- 11
- Part D claims, 2024
- 6,335
- Hospital affiliations
- 1
- Medical group
- 1
- State license
- 1
- Practice address
- 10800 Magnolia Avenue, Riverside, CA 92505
- Practice phone
- Call (951) 353-2000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Koontz'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 Daniel Koontz is a family medicine physician in Riverside, California
Dr. Koontz practices at Riverside Medical Center in Riverside, California, part of Kaiser Permanente.
Dr. Koontz's NPI, 1902194657, was assigned on July 15, 2011. Dr. Koontz holds California license A 117522.
- NPI
- 1902194657NPI Registry (opens in a new tab)
- Medicare PAC ID
- 0042485104
- NPI enumeration date
- July 15, 2011
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (951) 353-2000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 43
- Medical school graduation
- 2009
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. John Daniel Koontz practices at Riverside Medical Center in Riverside, California
Dr. Koontz's primary practice is Riverside Medical Center, at 10800 Magnolia Avenue, Riverside, CA 92505 in Riverside County. The practice phone is (951) 353-2000.
- Riverside Medical Center10800 Magnolia Avenue, Riverside, CA 92505 · Riverside CountyPhone(951) 353-2000
Source: Dmand AI Affiliation Data
Dr. John Daniel Koontz is affiliated with 1 site of care and 1 medical group
Dr. Koontz's primary practice is Riverside Medical Center in Riverside, California, part of Kaiser Permanente. The medical group on file is Southern California Permanente Medical Group.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. John Daniel Koontz's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Koontz practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Riverside Medical Center | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. John Daniel Koontz is one of 15,680 family medicine physicians in California
Family medicine is Dr. Koontz's primary specialty in the NPI Registry, under taxonomy code 207Q00000X. Dr. Koontz is licensed in California.
Specialties and state licenses
- Family medicine, CaliforniaPrimary
Family medicine physicians near Dr. Koontz
Counts of family medicine physicians 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 Daniel Koontz treated 11 Medicare patients in 2024, average age 61
CMS counts 11 Medicare patients who saw Dr. Koontz in 2024. Their average risk score is 1.62, 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. Koontz's median patient age at 49, with 64% women.
Dr. Koontz's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 49
Patient panel by sex, all payers
- Women64%
- Men36%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. John Daniel Koontz wrote 6,335 Medicare Part D claims in 2024
In 2024, Dr. Koontz wrote 6,335 Medicare Part D claims for 943 patients. 87% of them were for generic drugs. CMS names the drug for 5,868 of them, across 94 drugs with 11 or more claims each, at $231,481 in total drug cost. In 2023, CMS named 4,945 claims across 84 drugs.
Dr. Koontz's Part D claims by kind of drug, 2024
- Generic5,541 claims87%
- Brand-name685 claims11%
- Other109 claims2%
Dr. Koontz'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.
Drug classes CMS tracks in Dr. Koontz's Part D claims, 2024
- Opioids6%373 of 6,335 claims
- Antibiotics3%182 of 6,335 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 4,9452024: 5,86819%
Drugs named by CMS: 94 in 2024, 84 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
Dr. John Daniel Koontz offers telehealth to Medicare patients
Dr. Koontz accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Koontz as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Sources for Dr. John Daniel Koontz'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 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)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) |
| 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 Daniel Koontz
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 Daniel Koontz's NPI number?
Dr. John Daniel Koontz's NPI number is 1902194657. It was assigned on July 15, 2011, and it is active in the NPI Registry.
What kind of doctor is Dr. John Daniel Koontz?
Dr. John Daniel Koontz is a family medicine physician in Riverside, California. The primary specialty in the NPI Registry is Family Medicine Physician (taxonomy code 207Q00000X).
Where does Dr. John Daniel Koontz practice?
Dr. Koontz practices at 10800 Magnolia Avenue, Riverside, CA 92505. Dr. Koontz's primary practice is Riverside Medical Center in Riverside, California, part of Kaiser Permanente.
What is Dr. John Daniel Koontz's office phone number?
The practice phone on file for Dr. Koontz is (951) 353-2000.
What is Dr. John Daniel Koontz's medical license number?
Dr. Koontz holds California license A 117522.
Which hospitals is Dr. John Daniel Koontz affiliated with?
Dr. Koontz practices at Riverside Medical Center in Riverside, California.
What medical group is Dr. John Daniel Koontz part of?
Dr. Koontz is linked to Southern California Permanente Medical Group.
Does Dr. John Daniel Koontz accept Medicare?
Yes. CMS lists Dr. Koontz as accepting Medicare assignment.
Does Dr. John Daniel Koontz offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Koontz as offering telehealth services.
How many Medicare patients does Dr. John Daniel Koontz see?
CMS counts 11 Medicare patients who saw Dr. Koontz in 2024, with an average age of 61.
What drugs does Dr. John Daniel Koontz prescribe most?
In 2024 Medicare Part D data, Dr. Koontz's most prescribed drugs by claims were Atorvastatin Calcium, Amlodipine Besylate and Lisinopril.
How long has Dr. John Daniel Koontz been practicing?
Dr. Koontz graduated from medical school in 2009, 17 years ago.
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