Dr. John Wilson Samples, MD
- Medicare services, 2017
- 292
- Medicare patients, 2024
- 14
- Part D claims, 2024
- 14,674
- Industry payments
- $140
- Affiliated sites
- 2
- Practice address
- 9961 Sierra Ave, Fontana, CA 92335
- Practice phone
- Call (909) 427-3910
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Fontana Medical Center
Fontana, California
Find Dr. Samples' 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 Wilson Samples is an internist in Fontana, California
Dr. Samples practices at Fontana Medical Center in Fontana, California.
Dr. Samples' NPI, 1265455935, was assigned on July 25, 2006. Dr. Samples graduated from Loma Linda University School Of Medicine in 1997. Dr. Samples holds California license A66241.
- NPI
- 1265455935NPI Registry (opens in a new tab)
- Medicare PAC ID
- 6002992617
- NPI enumeration date
- July 25, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (909) 427-3910
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 55
- Medical school graduation
- 1997
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. John Wilson Samples practices at Fontana Medical Center in Fontana, California
Dr. Samples' primary practice is Fontana Medical Center, at 9961 Sierra Ave, Fontana, CA 92335 in San Bernardino County. The practice phone is (909) 427-3910.
- Fontana Medical Center9961 Sierra Ave, Fontana, CA 92335 · San Bernardino CountyPhone(909) 427-3910
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. John Wilson Samples is affiliated with 3 sites of care and 1 medical group
Dr. Samples' primary practice is Fontana Medical Center in Fontana, California. The medical group on file is Southern California Permanente Medical Group. Dmand AI also links Dr. Samples to 1 more physician office and 1 group practice or clinic, 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 Dr. John Wilson Samples' practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Samples practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Fontana Medical Center | Available with a free account |
| +2 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. John Wilson Samples is one of 16,751 internists in California
Internal medicine is Dr. Samples' primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Samples is board certified in internal medicine by the American Board of Internal Medicine. Dr. Samples is licensed in California.
Specialties and state licenses
- Internal medicine, CaliforniaPrimary
Clinical focus
Dmand AI lists carpal tunnel syndrome, gastrointestinal bleeding and muscle pain, fibromyalgia, and limb pain among the conditions Dr. Samples treats.
Internists near Dr. Samples
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. John Wilson Samples billed Medicare for 292 services in 2017
CMS data shows 292 Medicare services from Dr. Samples across 2 procedure codes in 2017, all of them office visits, for 14 Medicare patients. Medicare paid $8,283 for them. Every service was in an office.
Dr. Samples' Medicare services by type, 2016 to 2017
- 2016
- 2017
- Office and hospital visits
- 2016: 2,7542017: 29289%
- Tests and treatments
- 2016: 332017: 0100%
- Other services
- 2016: 1822017: 0100%
- Surgery
- 2016: 392017: 0100%
Dr. Samples compared with the California median for internists, 2017
- Dr. Samples
- California median
- Medicare services
- 292vs 36119% below
- Medicare patients
- 14vs 15191% below
- Part D claims
- 13,981vs 42133.2 times
Medians across 15,815 internists in California with Dmand AI profiles that report each measure.
Dr. Samples' most billed Medicare procedure codes, 2017
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. Samples?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Samples and other internists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. John Wilson Samples treated 14 Medicare patients in 2024, average age 72
CMS counts 14 Medicare patients who saw Dr. Samples in 2024. Their average risk score is 0.55, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Samples' median patient age at 64, with 66% women.
Dr. Samples' 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%
- Men34%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. John Wilson Samples wrote 14,674 Medicare Part D claims in 2024
In 2024, Dr. Samples wrote 14,674 Medicare Part D claims for 1,194 patients. 90% of them were for generic drugs. CMS names the drug for 13,981 of them, across 185 drugs with 11 or more claims each, at $697,367 in total drug cost. In 2023, CMS named 13,343 claims across 177 drugs.
Dr. Samples' Part D claims by kind of drug, 2024
- Generic13,266 claims90%
- Brand-name1,269 claims9%
- Other139 claims1%
Dr. Samples' 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. Samples' Part D claims, 2024
- Opioids8%1,126 of 14,674 claims
- Antibiotics3%434 of 14,674 claims
- Antipsychotics, patients 65 and over0%35 of 14,674 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: 13,3432024: 13,9815%
Drugs named by CMS: 185 in 2024, 177 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
How Dr. John Wilson Samples takes part in Medicare
Dr. Samples accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. John Wilson Samples received $140 in industry payments from 2018 to 2024
CMS Open Payments shows 2 general payments to Dr. Samples from 2 drug and device companies from 2018 to 2024. Food and beverage make up the largest share, 100% of the total. Bausch & Lomb Americas Inc. paid the most, $88.
General payments to Dr. Samples by program year, 2018 to 2024
Companies that paid Dr. Samples the most, 2018 to 2024
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. John Wilson Samples graduated from Loma Linda University School Of Medicine
Dr. Samples graduated from Loma Linda University School Of Medicine in 1997.
- Medical school
- Board certified in internal medicine
Source: Dmand AI Professional Profile Data
Dr. John Wilson Samples accepts plans from 4 insurance carriers
Dr. Samples is in network with 4 carriers, including Blue Cross Blue Shield of Michigan, Kaiser Permanente and Elevance. HMO plans come from the most carriers, 2. Check the plan with the practice before a visit.
- Blue Cross Blue Shield of Michigan
- Kaiser Permanente
- Elevance
- CMS Medicare
Plan types Dr. Samples accepts, by number of carriers
- HMO2
- Medicare2
- POS2
- PPO2
- EPO1
Source: Dmand AI Insurance Network Data
Sources for Dr. John Wilson Samples'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 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 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) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| Insurance carriers and plan types | Dmand AI Insurance Network 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 Wilson Samples
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 Wilson Samples' NPI number?
Dr. John Wilson Samples' NPI number is 1265455935. It was assigned on July 25, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. John Wilson Samples?
Dr. John Wilson Samples is an internist in Fontana, California. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. John Wilson Samples practice?
Dr. Samples practices at 9961 Sierra Ave, Fontana, CA 92335. Dr. Samples' primary practice is Fontana Medical Center in Fontana, California. Dmand AI also links Dr. Samples to 1 physician office and 1 group practice or clinic.
What is Dr. John Wilson Samples' office phone number?
The practice phone on file for Dr. Samples is (909) 427-3910.
What is Dr. John Wilson Samples' medical license number?
Dr. Samples holds California license A66241.
What medical group is Dr. John Wilson Samples part of?
Dr. Samples is linked to Southern California Permanente Medical Group.
Does Dr. John Wilson Samples accept Medicare?
Yes. CMS data shows Dr. Samples billed Medicare for 292 services in 2017, and Dr. Samples accepts Medicare assignment.
How many Medicare patients does Dr. John Wilson Samples see?
CMS counts 14 Medicare patients who saw Dr. Samples in 2024, with an average age of 72.
Is Dr. John Wilson Samples board certified?
Yes. Dr. Samples is board certified in internal medicine by the American Board of Internal Medicine.
What services does Dr. John Wilson Samples bill to Medicare?
In 2017, Dr. Samples' most billed Medicare services were office visit, established patient (99214) and office visit, established patient (99213).
Show 5 more questionsShow fewer questions
Where did Dr. John Wilson Samples go to medical school?
Dr. Samples graduated from Loma Linda University School Of Medicine in 1997.
What drugs does Dr. John Wilson Samples prescribe most?
In 2024 Medicare Part D data, Dr. Samples' most prescribed drugs by claims were Atorvastatin Calcium, Levothyroxine Sodium and Hydrocodone-Acetaminophen.
Has Dr. John Wilson Samples received payments from drug or device companies?
CMS Open Payments shows $140 in general payments to Dr. Samples from 2 companies from 2018 to 2024. The largest total came from Bausch & Lomb Americas Inc.
How long has Dr. John Wilson Samples been practicing?
Dr. Samples graduated from medical school in 1997, 29 years ago.
What insurance does Dr. John Wilson Samples accept?
Dr. Samples is in network with 4 carriers, including Blue Cross Blue Shield of Michigan, Kaiser Permanente and Elevance. HMO plans come from the most carriers, 2. Check the plan with the practice before a visit.
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