Olivia Denise Ramirez
Ambulatory Care Pharmacist · Los Angeles, CA
Olivia Denise Ramirez is an ambulatory care pharmacist with a practice address in Los Angeles, California, and NPI 1801404439, issued on Jul 20, 2020. Check the license (California 88992, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Olivia Denise Ramirez
- Primary taxonomy
- Ambulatory Care Pharmacist 1835P2201X
- License number
- 88992 CA
Self-reported in NPPES; status is on the state search - Practice location
- 4618 Fountain Ave, Los Angeles, CA 90029
- Phone
- (323) 953-7170
- Enumerated
- Jul 20, 2020
- Record last updated
- Mar 25, 2024
- Medicare enrollment
- Enrolled (PECOS I20260417000356); may accept Medicare assignment
- Entity
- Type 1 · individual
8 nearest ambulatory care pharmacist records → All 485 in California → Look up another NPI →
Also registered at 4618 Fountain Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Esther Chen, O.D.Optometrist1801839402
- David Cortez, MSN- FNPFamily Nurse Practitioner1437701208
Verify Olivia Denise Ramirez in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 88992Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
80% fewer Medicare Part D claims than the average ambulatory care pharmacist in 2024
106 Medicare Part D claims for 33 beneficiaries, against an average of 527 among the 449 providers of this specialty who prescribed in Part D.
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.
Olivia Denise Ramirez among 485 ambulatory care pharmacist records in California
Olivia Denise Ramirez is one of 485 ambulatory care pharmacist records with a practice address in California. 39% 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 62% of them.
- NPI issued2020 · 62% of these records are older, 30% newer
- In a Medicare fileYes · 39% of these records are
- In the CMS Doctors and Clinicians fileYes · under 1% of these records are
- Record last updated2024 · 57% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 1835P2201X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Ambulatory Care Pharmacist providers in California
There are 485 ambulatory care pharmacist records in California.
All 485 in California → Every provider in Los Angeles → Ambulatory Care Pharmacist nationwide →
The 8 ambulatory care pharmacist records with the nearest ZIP codes
- Danessa LeriasLos Angeles, CA 900271144670290
- Marie Martinez, PHARMACISTLos Angeles, CA 900271467949370
- Christina PersaudLos Angeles, CA 900271376112276
- Dalia Ameripour, PHARMDLos Angeles, CA 900331255060075
- Talin Bchakjian, PHARMDLos Angeles, CA 900331700450095
- Allison Flores, PHARMDLos Angeles, CA 900331295418945
- Matthew Spencer Ocampo, PHARMDLos Angeles, CA 900331518843259
- Arvee OukLos Angeles, CA 900331790354256
Common questions
What is Olivia Denise Ramirez's NPI number?
Olivia Denise Ramirez's National Provider Identifier (NPI) is 1801404439, issued on Jul 20, 2020. An NPI identifies a provider in billing; it is not a license.
Where is Olivia Denise Ramirez located?
The NPPES record lists a practice address at 4618 Fountain Ave, Los Angeles, CA, 90029. Phone: (323) 953-7170. Providers update this record themselves, so call before visiting.
How can I verify Olivia Denise Ramirez's license?
NPPES lists California license number 88992, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Olivia Denise Ramirez prescribe under Medicare Part D?
In 2024, Olivia Denise Ramirez had 106 Medicare Part D claims for 33 beneficiaries; the average among ambulatory care pharmacist prescribers was 527. 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.