Margarita Lucas Lewis-Upton
- Industry payments
- $146
- Affiliated sites
- 1
- Medical group
- 1
- State license
- 1
- Year NPI issued
- 2024
- Practice address
- 16465 Sierra Lakes Pkwy, Fontana, CA 92336
- Practice phone
- Call (909) 823-8000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Namita Mohideen MD Inc
Fontana, California
Find Margarita Lewis-Upton'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.
Margarita Lucas Lewis-Upton is a gerontology nurse practitioner in Fontana, California
Margarita Lewis-Upton practices at Namita Mohideen MD Inc in Fontana, California.
Margarita Lewis-Upton's NPI, 1881426476, was assigned on August 14, 2024. Margarita Lewis-Upton holds California license 95033971.
- NPI
- 1881426476NPI Registry (opens in a new tab)
- NPI enumeration date
- August 14, 2024
- NPI status
- Active
- Practice phone
- (909) 823-8000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 28
- Medical school graduation
- 2024
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Practice Data
Margarita Lucas Lewis-Upton practices at Namita Mohideen MD Inc in Fontana, California
Margarita Lewis-Upton's primary practice is Namita Mohideen MD Inc, at 16465 Sierra Lakes Pkwy, Fontana, CA 92336 in San Bernardino County. The practice phone is (909) 823-8000.
- Namita Mohideen MD Inc16465 Sierra Lakes Pkwy, Fontana, CA 92336 · San Bernardino CountyPhone(909) 823-8000
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Margarita Lucas Lewis-Upton is affiliated with 2 sites of care and 1 medical group
Margarita Lewis-Upton's primary practice is Namita Mohideen MD Inc in Fontana, California. The medical group on file is Golden State Pediatrics and Family Medicine. Dmand AI also links Margarita Lewis-Upton to 1 more group practice or clinic, 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 Margarita Lucas Lewis-Upton's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Margarita Lewis-Upton practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Namita Mohideen MD Inc | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Margarita Lucas Lewis-Upton is one of 477 gerontology nurse practitioners in California
Gerontology is Margarita Lewis-Upton's primary specialty in the NPI Registry, under taxonomy code 363LG0600X. Margarita Lewis-Upton is licensed in California.
Specialties and state licenses
- Gerontology nurse practitioner, CaliforniaPrimary
Gerontology nurse practitioners near Margarita Lewis-Upton
Counts of gerontology nurse practitioners 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
Margarita Lucas Lewis-Upton's patients have a median age of 40
Across all payers, Dmand AI patient panel data puts Margarita Lewis-Upton's median patient age at 40, with 82% women.
Margarita Lewis-Upton'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
- Women82%
- Men18%
Source: Dmand AI Patient Panel Data
Margarita Lucas Lewis-Upton received $146 in industry payments in 2025
CMS Open Payments shows 2 general payments to Margarita Lewis-Upton from 2 drug and device companies in 2025. Food and beverage make up the largest share, 100% of the total. Novo Nordisk Inc paid the most, $125.
Companies that paid Margarita Lewis-Upton the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Margarita Lucas Lewis-Upton'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 patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| 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 Margarita Lucas Lewis-Upton
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What is Margarita Lucas Lewis-Upton's NPI number?
Margarita Lucas Lewis-Upton's NPI number is 1881426476. It was assigned on August 14, 2024, and it is active in the NPI Registry.
What does Margarita Lucas Lewis-Upton specialize in?
Margarita Lucas Lewis-Upton is a gerontology nurse practitioner in Fontana, California. The primary specialty in the NPI Registry is Gerontology Nurse Practitioner (taxonomy code 363LG0600X).
Where does Margarita Lucas Lewis-Upton practice?
Margarita Lewis-Upton practices at 16465 Sierra Lakes Pkwy, Fontana, CA 92336. Margarita Lewis-Upton's primary practice is Namita Mohideen MD Inc in Fontana, California. Dmand AI also links Margarita Lewis-Upton to 1 group practice or clinic.
What is Margarita Lucas Lewis-Upton's office phone number?
The practice phone on file for Margarita Lewis-Upton is (909) 823-8000.
What is Margarita Lucas Lewis-Upton's medical license number?
Margarita Lewis-Upton holds California license 95033971.
What medical group is Margarita Lucas Lewis-Upton part of?
Margarita Lewis-Upton is linked to Golden State Pediatrics and Family Medicine.
Has Margarita Lucas Lewis-Upton received payments from drug or device companies?
CMS Open Payments shows $146 in general payments to Margarita Lewis-Upton from 2 companies from 2025 to 2025. The largest total came from Novo Nordisk Inc.
How long has Margarita Lucas Lewis-Upton been practicing?
Margarita Lewis-Upton graduated from medical school in 2024, 2 years ago.
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