Stephanie Marie Ong De Leon, AGNP-C
- Part D claims, 2024
- 2,262
- Hospital affiliations
- 2
- Industry payments
- $29
- Medical group
- 1
- State license
- 1
- Practice address
- 101 Callan Ave STE 105, San Leandro, CA 94577
- Practice phone
- Call (510) 357-7077
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Asian Health Services Pediatrics San Leandro
FQHC - Satellite Clinic · San Leandro, California
Find Stephanie De Leon's professional email, personal email and mobile number
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Stephanie Marie Ong De Leon is a gerontology nurse practitioner in San Leandro, California
Stephanie De Leon practices at Asian Health Services Pediatrics San Leandro in San Leandro, California.
Stephanie De Leon's NPI, 1396350716, was assigned on September 11, 2020. Stephanie De Leon holds California license 95016216.
- NPI
- 1396350716NPI Registry (opens in a new tab)
- Medicare PAC ID
- 3971917691
- NPI enumeration date
- September 11, 2020
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (510) 357-7077
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 32
- Medical school graduation
- 2020
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Stephanie Marie Ong De Leon practices at Asian Health Services Pediatrics San Leandro in San Leandro, California
Stephanie De Leon's primary practice is Asian Health Services Pediatrics San Leandro, at 101 Callan Ave STE 105, San Leandro, CA 94577 in Alameda County. The practice phone is (510) 357-7077.
- Asian Health Services Pediatrics San Leandro101 Callan Ave STE 105, San Leandro, CA 94577 · Alameda CountyPhone(510) 357-7077
Source: Dmand AI Affiliation Data
Stephanie Marie Ong De Leon is affiliated with 4 sites of care and 1 medical group
Stephanie De Leon's primary practice is Asian Health Services Pediatrics San Leandro in San Leandro, California. Stephanie De Leon is also affiliated with Alta Bates Summit Medical Center | Alta Bates Campus. The medical group on file is Asian Health Services. Dmand AI also links Stephanie De Leon to 1 more hospital and 1 community health center, each named with a free account. Stephanie De Leon's employer is on file too: a community health center (fqhc).
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Stephanie Marie Ong De Leon's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Stephanie De Leon practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Asian Health Services Pediatrics San Leandro | Available with a free account |
| +3 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Stephanie Marie Ong De Leon is one of 477 gerontology nurse practitioners in California
Gerontology is Stephanie De Leon's primary specialty in the NPI Registry, under taxonomy code 363LG0600X. Stephanie De Leon is licensed in California.
Specialties and state licenses
- Gerontology nurse practitioner, CaliforniaPrimary
Gerontology nurse practitioners near Stephanie De Leon
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
Stephanie Marie Ong De Leon's patients have a median age of 68
Across all payers, Dmand AI patient panel data puts Stephanie De Leon's median patient age at 68, with 60% women.
Stephanie De Leon's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 68
Patient panel by sex, all payers
- Women60%
- Men37%
Source: Dmand AI Patient Panel Data
Stephanie Marie Ong De Leon wrote 2,262 Medicare Part D claims in 2024
In 2024, Stephanie De Leon wrote 2,262 Medicare Part D claims for 251 patients. 83% of them were for generic drugs.
Stephanie De Leon's Part D claims by kind of drug, 2024
- Generic1,877 claims83%
- Brand-name and other385 claims17%
Drug classes CMS tracks in Stephanie De Leon's Part D claims, 2024
- Antibiotics0%11 of 2,262 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 Stephanie Marie Ong De Leon takes part in Medicare
Stephanie De Leon 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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Stephanie Marie Ong De Leon received $29 in industry payments in 2025
CMS Open Payments shows 1 general payment to Stephanie De Leon from 1 drug or device company in 2025. Food and beverage make up the largest share, 100% of the total. Abbvie Inc. paid the most, $29.
Companies that paid Stephanie De Leon 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 Stephanie Marie Ong De Leon'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 Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| 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) |
| 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 Stephanie Marie Ong De Leon
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What is Stephanie Marie Ong De Leon's NPI number?
Stephanie Marie Ong De Leon's NPI number is 1396350716. It was assigned on September 11, 2020, and it is active in the NPI Registry.
What does Stephanie Marie Ong De Leon specialize in?
Stephanie Marie Ong De Leon is a gerontology nurse practitioner in San Leandro, California. The primary specialty in the NPI Registry is Gerontology Nurse Practitioner (taxonomy code 363LG0600X).
Where does Stephanie Marie Ong De Leon practice?
Stephanie De Leon practices at 101 Callan Ave STE 105, San Leandro, CA 94577. Stephanie De Leon's primary practice is Asian Health Services Pediatrics San Leandro in San Leandro, California. Dmand AI also links Stephanie De Leon to 1 hospital and 1 community health center.
What is Stephanie Marie Ong De Leon's office phone number?
The practice phone on file for Stephanie De Leon is (510) 357-7077.
What is Stephanie Marie Ong De Leon's medical license number?
Stephanie De Leon holds California license 95016216.
Which hospitals is Stephanie Marie Ong De Leon affiliated with?
Stephanie De Leon is affiliated with Alta Bates Summit Medical Center | Alta Bates Campus. Dmand AI links Stephanie De Leon to 1 more hospital.
What medical group is Stephanie Marie Ong De Leon part of?
Stephanie De Leon is linked to Asian Health Services.
Does Stephanie Marie Ong De Leon accept Medicare?
Yes. CMS lists Stephanie De Leon as accepting Medicare assignment.
Has Stephanie Marie Ong De Leon received payments from drug or device companies?
CMS Open Payments shows $29 in general payments to Stephanie De Leon from 1 company from 2025 to 2025. The largest total came from Abbvie Inc.
How long has Stephanie Marie Ong De Leon been practicing?
Stephanie De Leon graduated from medical school in 2020, 6 years ago.
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