Roxanne F. Umanzor-Smiley, PA
- Medicare patients, 2024
- 13
- Part D claims, 2024
- 594
- Hospital affiliations
- 1
- Medical groups
- 2
- State license
- 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
Find Roxanne Umanzor-Smiley'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.
Roxanne F. Umanzor-Smiley is a physician assistant in Fontana, California
Roxanne Umanzor-Smiley practices at Fontana Medical Center in Fontana, California, part of Kaiser Permanente.
Roxanne Umanzor-Smiley's NPI, 1508914599, was assigned on January 8, 2007. Roxanne Umanzor-Smiley holds California license PA13306.
- NPI
- 1508914599NPI Registry (opens in a new tab)
- Medicare PAC ID
- 0244374551
- NPI enumeration date
- January 8, 2007
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (909) 427-5000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 59
- Medical school graduation
- 1993
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Roxanne F. Umanzor-Smiley practices at Fontana Medical Center in Fontana, California
Roxanne Umanzor-Smiley'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
Roxanne F. Umanzor-Smiley is affiliated with 2 sites of care and 2 medical groups
Roxanne Umanzor-Smiley'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. Dmand AI also links Roxanne Umanzor-Smiley 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 Roxanne F. Umanzor-Smiley's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Roxanne Umanzor-Smiley 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 |
| +1 more site and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
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Roxanne F. Umanzor-Smiley is one of 11,482 physician assistants in California
Physician assistant is Roxanne Umanzor-Smiley's primary specialty in the NPI Registry, under taxonomy code 363A00000X. Roxanne Umanzor-Smiley is licensed in California.
Specialties and state licenses
- Physician assistant, CaliforniaPrimary
Physician assistants near Roxanne Umanzor-Smiley
Counts of physician assistants 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
Roxanne F. Umanzor-Smiley treated 13 Medicare patients in 2024, average age 61
CMS counts 13 Medicare patients who saw Roxanne Umanzor-Smiley in 2024. The largest group is 85 and over, with 0 patients. Their average risk score is 1.29, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Roxanne Umanzor-Smiley's median patient age at 40, with 78% women.
Roxanne Umanzor-Smiley's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Roxanne Umanzor-Smiley's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 40
Patient panel by sex, all payers
- Women78%
- Men22%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Roxanne F. Umanzor-Smiley wrote 594 Medicare Part D claims in 2024
In 2024, Roxanne Umanzor-Smiley wrote 594 Medicare Part D claims for 351 patients. 90% of them were for generic drugs.
Roxanne Umanzor-Smiley's Part D claims by kind of drug, 2024
- Generic537 claims90%
- Brand-name57 claims10%
Drug classes CMS tracks in Roxanne Umanzor-Smiley's Part D claims, 2024
- Antibiotics15%87 of 594 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
How Roxanne F. Umanzor-Smiley takes part in Medicare
Roxanne Umanzor-Smiley 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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Sources for Roxanne F. Umanzor-Smiley'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 (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 Roxanne F. Umanzor-Smiley
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Roxanne F. Umanzor-Smiley's NPI number?
Roxanne F. Umanzor-Smiley's NPI number is 1508914599. It was assigned on January 8, 2007, and it is active in the NPI Registry.
What does Roxanne F. Umanzor-Smiley specialize in?
Roxanne F. Umanzor-Smiley is a physician assistant in Fontana, California. The primary specialty in the NPI Registry is Physician Assistant (taxonomy code 363A00000X).
Where does Roxanne F. Umanzor-Smiley practice?
Roxanne Umanzor-Smiley practices at 9961 Sierra Ave, Fontana, CA 92335. Roxanne Umanzor-Smiley's primary practice is Fontana Medical Center in Fontana, California, part of Kaiser Permanente. Dmand AI also links Roxanne Umanzor-Smiley to 1 group practice or clinic and 1 medical group.
What is Roxanne F. Umanzor-Smiley's office phone number?
The practice phone on file for Roxanne Umanzor-Smiley is (909) 427-5000.
What is Roxanne F. Umanzor-Smiley's medical license number?
Roxanne Umanzor-Smiley holds California license PA13306.
Which hospitals is Roxanne F. Umanzor-Smiley affiliated with?
Roxanne Umanzor-Smiley practices at Fontana Medical Center in Fontana, California.
What medical group is Roxanne F. Umanzor-Smiley part of?
Roxanne Umanzor-Smiley is linked to Southern California Permanente Medical Group. Dmand AI links Roxanne Umanzor-Smiley to 1 more medical group.
Does Roxanne F. Umanzor-Smiley accept Medicare?
Yes. CMS lists Roxanne Umanzor-Smiley as accepting Medicare assignment.
How many Medicare patients does Roxanne F. Umanzor-Smiley see?
CMS counts 13 Medicare patients who saw Roxanne Umanzor-Smiley in 2024, with an average age of 61.
How long has Roxanne F. Umanzor-Smiley been practicing?
Roxanne Umanzor-Smiley graduated from medical school in 1993, 33 years ago.
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