Catherine Paras Firmin, N.P.
Gerontology Nurse Practitioner · Los Angeles, CA
Catherine Paras Firmin, N.P. is a gerontology nurse practitioner with a practice address in Los Angeles, California, and NPI 1427236678, issued on Feb 8, 2008. Check the license (California 570275, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Catherine Paras Firmin
- Credential
- N.P.
- Primary taxonomy
- Gerontology Nurse Practitioner 363LG0600X
- License number
- 570275 CA
Self-reported in NPPES; status is on the state search - Practice location
- 5901 W Olympic Blvd, Los Angeles, CA 90036
- Phone
- (323) 931-3100
- Enumerated
- Feb 8, 2008
- Record last updated
- Oct 22, 2012 (not updated in 14 years: call before relying on the address or phone)
- Fax
- (323) 931-0030
- Entity
- Type 1 · individual
8 nearest gerontology nurse practitioner records → All 569 in California → Look up another NPI →
Also registered at 5901 W Olympic Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Maina Berger, M.DSpecialist1962415224
- Ludmila Bess, M.D.Gynecology Physician1780633537
- Gerald Chatman, PAPhysician Assistant1922178029
- Andrew Chuang, M.D.Internal Medicine Physician1528070166
- Helder De Paiva, M.D.Nephrology Physician1174610273
- Ann Easley, NPNurse Practitioner1295720548
Verify Catherine Paras Firmin in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 570275Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
4.2 times the Medicare Part D claims of the average gerontology nurse practitioner in 2024
5,708 Medicare Part D claims for 155 beneficiaries, against an average of 1,369 among the 6,165 providers of this specialty who prescribed in Part D. Brand-name drugs were 8% of claims. 23 claims were for opioids.
Most prescribed
- Atorvastatin Calcium381 claims
- Metformin Hcl231 claims
- Amlodipine Besylate227 claims
- Gabapentin208 claims
- Famotidine190 claims
- Levothyroxine Sodium174 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.
Catherine Paras Firmin among 569 gerontology nurse practitioner records in California
Catherine Paras Firmin, N.P. is one of 569 gerontology nurse practitioner records with a practice address in California. 64% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2008, is newer than 20% of them.
- NPI issued2008 · 20% of these records are older, 78% newer
- In a Medicare fileYes · 64% of these records are
- In the CMS Doctors and Clinicians fileNo · 42% of these records are
- Record last updated2012 · 44% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LG0600X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Gerontology Nurse Practitioner providers in California
There are 569 gerontology nurse practitioner records in California.
All 569 in California → Every provider in Los Angeles → Gerontology Nurse Practitioner nationwide →
The 8 gerontology nurse practitioner records with the nearest ZIP codes
- Angela CashLos Angeles, CA 900351699210500
- Jon Patrick David, NP-CLos Angeles, CA 900351811392871
- Tammi Harris, N.PLos Angeles, CA 900351215256011
- Robbin Dayrit, NPLos Angeles, CA 900341861152357
- Lilit Sahakyan, AGNP-CLos Angeles, CA 900381679087209
- Katie Speer, NPLos Angeles, CA 900341164823266
- Kidest Babi, NPLos Angeles, CA 900331679728505
- Hawa Mapara, AGNP-CLos Angeles, CA 900331275927881
Common questions
What is Catherine Paras Firmin, N.P.'s NPI number?
Catherine Paras Firmin, N.P.'s National Provider Identifier (NPI) is 1427236678, issued on Feb 8, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Catherine Paras Firmin, N.P. located?
The NPPES record lists a practice address at 5901 W Olympic Blvd, Los Angeles, CA, 90036. Phone: (323) 931-3100. Providers update this record themselves, so call before visiting.
How can I verify Catherine Paras Firmin, N.P.'s license?
NPPES lists California license number 570275, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Catherine Paras Firmin, N.P. prescribe under Medicare Part D?
In 2024, Catherine Paras Firmin, N.P. had 5,708 Medicare Part D claims for 155 beneficiaries; the average among gerontology nurse practitioner prescribers was 1,369. 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.