Dr. Isil Uzun Smith, MD
- Medicare services, 2023
- 66
- Part D claims, 2024
- 7,192
- Hospital affiliations
- 1
- Industry payments
- $46
- Medical group
- 1
- Practice address
- 9961 Sierra Ave, Fontana, CA 92335
- Practice phone
- Call (909) 427-5000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
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Dr. Isil Uzun Smith is an internist in Fontana, California
Dr. Smith practices at Fontana Medical Center in Fontana, California, part of Kaiser Permanente.
Dr. Smith's NPI, 1609305945, was assigned on June 9, 2017. Dr. Smith holds Massachusetts license 271709.
- NPI
- 1609305945NPI Registry (opens in a new tab)
- NPI enumeration date
- June 9, 2017
- NPI status
- Active
- Practice phone
- (909) 427-5000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 41
- Medical school graduation
- 2011
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. Isil Uzun Smith practices at Fontana Medical Center in Fontana, California
Dr. Smith's primary practice is Fontana Medical Center, at 9961 Sierra Ave, Fontana, CA 92335 in San Bernardino County. The practice phone is (909) 427-5000.
- Fontana Medical Center9961 Sierra Ave, Fontana, CA 92335 · San Bernardino CountyPhone(909) 427-5000
Source: Dmand AI Affiliation Data
Dr. Isil Uzun Smith is affiliated with 1 site of care and 1 medical group
Dr. Smith's primary practice is Fontana Medical Center in Fontana, 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. Isil Uzun Smith's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Smith practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Fontana Medical Center | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Isil Uzun Smith is one of 16,751 internists in California
Internal medicine is Dr. Smith's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Smith is licensed in Massachusetts.
Specialties and state licenses
- Internal medicine, MassachusettsPrimary
Internists near Dr. Smith
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. Isil Uzun Smith billed Medicare for 66 services in 2023
CMS data shows 66 Medicare services from Dr. Smith across 2 procedure codes in 2023. Medicare paid $3,376 for them. Every service was in an office.
Dr. Smith's Medicare services by type, 2022 to 2023
- 2022
- 2023
- Office and hospital visits
- 2022: 2262023: 5177%
- Lab and pathology
- 2022: 222023: 1532%
- Tests and treatments
- 2022: 142023: 0100%
- Other services
- 2022: 252023: 0100%
Dr. Smith compared with the California median for internists, 2023
- Dr. Smith
- California median
- Medicare services
- 66vs 36182% below
- Part D claims
- 6,650vs 42115.8 times
Medians across 15,815 internists in California with Dmand AI profiles that report each measure.
Dr. Smith's most billed Medicare procedure codes, 2023
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. Smith and other internists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Isil Uzun Smith's patients have a median age of 52
Across all payers, Dmand AI patient panel data puts Dr. Smith's median patient age at 52, with 71% women.
Dr. Smith's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 52
Patient panel by sex, all payers
- Women71%
- Men29%
Source: Dmand AI Patient Panel Data
Dr. Isil Uzun Smith wrote 7,192 Medicare Part D claims in 2024
In 2024, Dr. Smith wrote 7,192 Medicare Part D claims for 1,287 patients. 87% of them were for generic drugs. CMS names the drug for 6,650 of them, across 130 drugs with 11 or more claims each, at $326,284 in total drug cost. In 2023, CMS named 3,414 claims across 79 drugs.
Dr. Smith's Part D claims by kind of drug, 2024
- Generic6,287 claims87%
- Brand-name810 claims11%
- Other95 claims1%
Dr. Smith'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. Smith's Part D claims, 2024
- Opioids4%320 of 7,192 claims
- Antibiotics5%338 of 7,192 claims
- Antipsychotics, patients 65 and over0%18 of 7,192 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: 3,4142024: 6,65095%
Drugs named by CMS: 130 in 2024, 79 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. Isil Uzun Smith received $46 in industry payments from 2018 to 2023
CMS Open Payments shows 3 general payments to Dr. Smith from 2 drug and device companies from 2018 to 2023. Food and beverage make up the largest share, 100% of the total. Novartis Pharmaceuticals Corporation paid the most, $33.
General payments to Dr. Smith by program year, 2018 to 2023
Companies that paid Dr. Smith the most, 2018 to 2023
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Isil Uzun Smith'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. Isil Uzun Smith
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. Isil Uzun Smith's NPI number?
Dr. Isil Uzun Smith's NPI number is 1609305945. It was assigned on June 9, 2017, and it is active in the NPI Registry.
What kind of doctor is Dr. Isil Uzun Smith?
Dr. Isil Uzun Smith is an internist in Fontana, California. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Isil Uzun Smith practice?
Dr. Smith practices at 9961 Sierra Ave, Fontana, CA 92335. Dr. Smith's primary practice is Fontana Medical Center in Fontana, California, part of Kaiser Permanente.
What is Dr. Isil Uzun Smith's office phone number?
The practice phone on file for Dr. Smith is (909) 427-5000.
What is Dr. Isil Uzun Smith's medical license number?
Dr. Smith holds Massachusetts license 271709.
Which hospitals is Dr. Isil Uzun Smith affiliated with?
Dr. Smith practices at Fontana Medical Center in Fontana, California.
What medical group is Dr. Isil Uzun Smith part of?
Dr. Smith is linked to Southern California Permanente Medical Group.
Does Dr. Isil Uzun Smith accept Medicare?
Yes. CMS data shows Dr. Smith billed Medicare for 66 services in 2023.
What services does Dr. Isil Uzun Smith bill to Medicare?
In 2023, Dr. Smith's most billed Medicare services were office visit, established patient (99213) and lab and pathology test (81002).
What drugs does Dr. Isil Uzun Smith prescribe most?
In 2024 Medicare Part D data, Dr. Smith's most prescribed drugs by claims were Atorvastatin Calcium, Amlodipine Besylate and Lisinopril.
Has Dr. Isil Uzun Smith received payments from drug or device companies?
CMS Open Payments shows $46 in general payments to Dr. Smith from 2 companies from 2018 to 2023. The largest total came from Novartis Pharmaceuticals Corporation.
How long has Dr. Isil Uzun Smith been practicing?
Dr. Smith graduated from medical school in 2011, 15 years ago.
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