Stephanie L. Obiako, NP
Family Nurse Practitioner · Northridge, CA
Stephanie L. Obiako, NP is a family nurse practitioner with a practice address in Northridge, California, and NPI 1750575593, issued on Sep 5, 2007. Check the license (California 523429, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Stephanie L. Obiako
- Credential
- NP
- Primary taxonomy
- Family Nurse Practitioner 363LF0000X
- License number
- 523429 CA
Self-reported in NPPES; status is on the state search - Practice location
- 18433 Roscoe Blvd, Northridge, CA 91325
- Phone
- (818) 341-1540
- Enumerated
- Sep 5, 2007
- Record last updated
- Oct 2, 2014 (not updated in 12 years: call before relying on the address or phone)
- Fax
- (818) 827-9808
- Medicare enrollment
- Enrolled (PECOS I20111114000481); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest family nurse practitioner records → All 16,966 in California → Look up another NPI →
Also registered at 18433 Roscoe Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Christopher Chow, MDInternal Medicine Physician1528024122
- Dayan Gandhi, M.D, M.SNephrology Physician1285961789
- Leon Hasson, PHARM DPharmacist1730195660
Verify Stephanie L. Obiako in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 523429Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
53% fewer Medicare Part D claims than the average family nurse practitioner in 2024
607 Medicare Part D claims for 326 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims.
Most prescribed
- Prednisone51 claims
- Amoxicillin-Clavulanate Potass48 claims
- Albuterol Sulfate Hfa43 claims
- Cephalexin40 claims
- Doxycycline Monohydrate33 claims
- Azithromycin31 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Bills Medicare through one group practice
- Southern California Permanente Medical GroupPanorama City, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Stephanie L. Obiako among 16,966 family nurse practitioner records in California
Stephanie L. Obiako, NP is one of 16,966 family nurse practitioner records with a practice address in California. 67% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 7% of them.
- NPI issued2007 · 7% of these records are older, 87% newer
- In a Medicare fileYes · 67% of these records are
- In the CMS Doctors and Clinicians fileYes · 40% of these records are
- Graduated2007 · median 2019 among the 6,793 with a school on file
- Record last updated2014 · 42% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LF0000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
67 family nurse practitioner records list a practice address in Northridge
They are 67 of the 2,598 NPPES records with a practice address in Northridge, and 16,966 family nurse practitioner records in California.
All 16,966 in California → Every provider in Northridge → Family Nurse Practitioner nationwide →
The 8 family nurse practitioner records with the nearest ZIP codes
- Carla Mae Cuisia-Zimmer, MSN FNPNorthridge, CA 913251144572025
- Gregorio De Grano, NPNorthridge, CA 913251417392176
- Katherine Guardado, FNPNorthridge, CA 913251821516535
- Victoria Isaacson, NPNorthridge, CA 913251104361484
- Maria Keklikian, FNP-CNorthridge, CA 913251174076483
- Riffat KhanNorthridge, CA 913251043704190
- Joanna Lebans, NPNorthridge, CA 913251871852111
- Kaixuan LuoNorthridge, CA 913251396288239
Common questions
What is Stephanie L. Obiako, NP's NPI number?
Stephanie L. Obiako, NP's National Provider Identifier (NPI) is 1750575593, issued on Sep 5, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Stephanie L. Obiako, NP located?
The NPPES record lists a practice address at 18433 Roscoe Blvd, Northridge, CA, 91325. Phone: (818) 341-1540. Providers update this record themselves, so call before visiting.
How can I verify Stephanie L. Obiako, NP's license?
NPPES lists California license number 523429, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Stephanie L. Obiako, NP prescribe under Medicare Part D?
In 2024, Stephanie L. Obiako, NP had 607 Medicare Part D claims for 326 beneficiaries; the average among family nurse practitioner prescribers was 1,305. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.