Karla Marie Liongco Ong
Family Nurse Practitioner · Los Angeles, CA
Karla Marie Liongco Ong is a family nurse practitioner with a practice address in Los Angeles, California, and NPI 1386270452, issued on Mar 20, 2020. Check the license (California 95015503, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Karla Marie Liongco Ong
- Primary taxonomy
- Family Nurse Practitioner 363LF0000X
- License number
- 95015503 CA
Self-reported in NPPES; status is on the state search - Practice location
- 127 S San Vicente Blvd Ste A3100, Los Angeles, CA 90048
- Phone
- (310) 423-3851
- Enumerated
- Mar 20, 2020
- Record last updated
- Aug 15, 2025
- Fax
- (310) 423-3522
- Medicare enrollment
- Enrolled (PECOS I20230316002445); accepts Medicare assignment
- Medical or professional school
- Loma Linda University School Of Medicine, 2020
- Entity
- Type 1 · individual
8 nearest family nurse practitioner records → All 16,966 in California → Look up another NPI →
Also registered at 127 S San Vicente Blvd Ste A3100
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Michelle Dao, PA-CPhysician Assistant1316484710
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- Pooja DesaiInternal Medicine Physician1992200786
Verify Karla Marie Liongco Ong in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 95015503Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
46% fewer Medicare Part D claims than the average family nurse practitioner in 2024
700 Medicare Part D claims for 105 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D. 97 claims were for opioids.
Most prescribed
- Pantoprazole Sodium78 claims
- Atorvastatin Calcium69 claims
- Hydrocodone-Acetaminophen65 claims
- Clopidogrel51 claims
- Amiodarone Hcl50 claims
- Bisoprolol Fumarate47 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.
Industry payments in 2024: $29.89
1 payment: food and beverage; the largest payer was Abbvie Inc. The 99,489 providers of this specialty with any payment received $650.95 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Southern California Permanente Medical GroupLos Angeles, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Karla Marie Liongco Ong among 16,966 family nurse practitioner records in California
Karla Marie Liongco Ong 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 2020, is newer than 56% of them.
- NPI issued2020 · 56% of these records are older, 38% newer
- In a Medicare fileYes · 67% of these records are
- In the CMS Doctors and Clinicians fileYes · 40% of these records are
- Graduated2020 · median 2019 among the 6,793 with a school on file
- Record last updated2025 · 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).
1,103 family nurse practitioner records list a practice address in Los Angeles
They are 1,103 of the 69,537 NPPES records with a practice address in Los Angeles, and 16,966 family nurse practitioner records in California.
All 16,966 in California → Every provider in Los Angeles → Family Nurse Practitioner nationwide →
The 8 family nurse practitioner records with the nearest ZIP codes
- Dianne Bedford, NP-CLos Angeles, CA 900481750425039
- Kristi Butenschoen, FNP-CLos Angeles, CA 900481487860375
- Helen Cambron, RN, MSN,FNP-CLos Angeles, CA 900481851505598
- Seda Gharapetian, MSN-FNPWest Hollywood, CA 900481417283433
- Janet Gripshover, CRNPWest Hollywood, CA 900481851431290
- Colleen Jackson, NURSE PRACTITIONERWest Hollywood, CA 900481134331259
- Patricia Lebel, RN FNP CDELos Angeles, CA 900481205041183
- Susie Lee, RN, NPLos Angeles, CA 900481013030899
Common questions
What is Karla Marie Liongco Ong's NPI number?
Karla Marie Liongco Ong's National Provider Identifier (NPI) is 1386270452, issued on Mar 20, 2020. An NPI identifies a provider in billing; it is not a license.
Where is Karla Marie Liongco Ong located?
The NPPES record lists a practice address at 127 S San Vicente Blvd Ste A3100, Los Angeles, CA, 90048. Phone: (310) 423-3851. Providers update this record themselves, so call before visiting.
How can I verify Karla Marie Liongco Ong's license?
NPPES lists California license number 95015503, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Karla Marie Liongco Ong prescribe under Medicare Part D?
In 2024, Karla Marie Liongco Ong had 700 Medicare Part D claims for 105 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.