STEPHANIE MARIE ONG DE LEON A-GNP-C
NPI 1396350716
Nurse Practitioner - Gerontology in Oakland, CA

Active since September 11, 2020PECOS EnrolledAccepts Medicare Assignment
250 E 18TH ST FL 2, OAKLAND, CA 94606(510) 735-3888 Get Directions Write a Review

NPPES record last updated: March 29, 2022. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Feb 26, 2021, Dec 11, 2020, Nov 4, 2020 and 1 more (4 updates tracked since 2020).

About Stephanie Marie Ong De Leon A-gnp-c NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

STEPHANIE MARIE ONG DE LEON A-GNP-C (NPI 1396350716) is an individual gerontology provider in Oakland, California, licensed in California (95016216) and active in the NPI registry since September 2020. She is enrolled in Medicare PECOS and is a graduate of Other (2020).

NPPES Registry Identity

NPI1396350716
Entity TypeIndividualFemale
Primary Taxonomy363LG0600X
Provider Legal NameSTEPHANIE MARIE ONG DE LEONCredential: A-GNP-C
Location Address250 E 18TH ST FL 2Oakland, CA 94606-1716
Mailing Address818 Webster StOakland, CA 94607-4220 · (510) 986-6800
Sole ProprietorNo
Medical School CMSOtherGraduated 2020
Enumeration DateSeptember 11, 2020
Last NPPES UpdateMarch 29, 20224 updates tracked since enumeration
NPPES CertifiedMarch 29, 2022
NPI 1396350716 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

Primary SpecialtyNurse Practitioner · GerontologyPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LG0600X
License Licensed in CA · 95016216
Also ListedRegistered NurseTaxonomy 163W00000X · License 95222645 (CA)
Also ListedNurse Practitioner · Adult HealthTaxonomy 363LA2200X · License AG07200182 (CA)
250 E 18TH ST FL 2, Oakland, CA 94606

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Stephanie Marie Ong De Leon A-gnp-c is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID3971917691
PECOS Enrollment IDI20210120002530
Eligible to Order & Refer Part B Labs & Imaging Durable Medical Equipment Home Health Agency Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 94606 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$104.51 typical visit price
range $69.00 – $202.35
Typical copayment $26.12 (range $17.25 – $50.58)
Most-billed visit code 99203
Established Patient
$119.48 typical visit price
range $23.44 – $166.46
Typical copayment $29.87 (range $5.86 – $41.61)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 18

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Clinic/Center (Federally Qualified Health Center (FQHC))
250 E 18TH ST FL 2
OAKLAND, CA 94606
Clinic/Center (Primary Care)
250 E 18TH ST FL 2
OAKLAND, CA 94606
Counselor (Mental Health)
250 E 18TH ST FL 2
OAKLAND, CA 94606
General Practice
250 E 18TH ST FL 2
OAKLAND, CA 94606
Registered Nurse
250 E 18TH ST FL 2
OAKLAND, CA 94606
Family Medicine
250 E 18TH ST FL 2
OAKLAND, CA 94606
Registered Nurse
250 E 18TH ST FL 2
OAKLAND, CA 94606
Physician Assistant
250 E 18TH ST FL 2
OAKLAND, CA 94606

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Stephanie De Leon's NPI number?

The NPI number for Stephanie De Leon is 1396350716. It was assigned to this individual provider in the NPPES registry on September 11, 2020.

Where is Stephanie De Leon located?

Stephanie De Leon practices at 250 E 18th St Fl 2, Oakland, CA 94606. The listed phone number is (510) 735-3888.

What is Stephanie De Leon's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Gerontology, with taxonomy code 363LG0600X.

Is Stephanie De Leon enrolled in Medicare?

Yes. Stephanie De Leon is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

When was this NPI record last updated?

The NPPES record for Stephanie De Leon was last updated on March 29, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.