Matthew Roy Isaacks, FNP
Primary Care Nurse Practitioner · South Pasadena, CA
Matthew Roy Isaacks, FNP is a primary care nurse practitioner with a practice address in South Pasadena, California, and NPI 1194374942, issued on Sep 4, 2019. Check the license (California 95012423, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Matthew Roy Isaacks
- Credential
- FNP
- Primary taxonomy
- Primary Care Nurse Practitioner 363LP2300X
- License number
- 95012423 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1714 Fair Oaks Ave Apt 3, South Pasadena, CA 91030
- Phone
- (714) 642-0034
- Enumerated
- Sep 4, 2019
- Record last updated
- Oct 27, 2023
- Medicare enrollment
- Enrolled (PECOS I20200305000056); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest primary care nurse practitioner records → All 1,131 in California → Look up another NPI →
Verify Matthew Roy Isaacks in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 95012423Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
90% fewer Medicare Part D claims than the average primary care nurse practitioner in 2024
143 Medicare Part D claims for 90 beneficiaries, against an average of 1,492 among the 5,992 providers of this specialty who prescribed in Part D.
Most prescribed
- Cephalexin22 claims
- Albuterol Sulfate Hfa14 claims
- Amoxicillin-Clavulanate Potass14 claims
- Prednisone12 claims
- Sulfamethoxazole-Trimethoprim12 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
- Santa Ana Physicians Group PCIndio, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Matthew Roy Isaacks among 1,131 primary care nurse practitioner records in California
Matthew Roy Isaacks, FNP is one of 1,131 primary care nurse practitioner records with a practice address in California. 63% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2019, is newer than 45% of them.
- NPI issued2019 · 45% of these records are older, 50% newer
- In a Medicare fileYes · 63% of these records are
- In the CMS Doctors and Clinicians fileYes · 35% of these records are
- Graduated2019 · median 2019 among the 398 with a school on file
- Record last updated2023 · 40% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LP2300X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Primary Care Nurse Practitioner providers in California
There are 1,131 primary care nurse practitioner records in California.
All 1,131 in California → Every provider in South Pasadena → Primary Care Nurse Practitioner nationwide →
The 8 primary care nurse practitioner records with the nearest ZIP codes
- So Hyeoung KimSouth Pasadena, CA 910301346111879
- Carina Visona-Pons, NURSE PRACTITIONERMonrovia, CA 910161619257029
- April Faye Paragas- Anasco, AGNPArcadia, CA 910071922810316
- Melissa Sutoyo, NPArcadia, CA 910071437048949
- Xuanzi LinArcadia, CA 910061356851414
- Melinda McKinley-Throop, NPArcadia, CA 910061184999302
- Doris Espejo, NPAltadena, CA 910011346998838
- Joan Rigdon, N.P.Arcadia, CA 910661093153140
Common questions
What is Matthew Roy Isaacks, FNP's NPI number?
Matthew Roy Isaacks, FNP's National Provider Identifier (NPI) is 1194374942, issued on Sep 4, 2019. An NPI identifies a provider in billing; it is not a license.
Where is Matthew Roy Isaacks, FNP located?
The NPPES record lists a practice address at 1714 Fair Oaks Ave Apt 3, South Pasadena, CA, 91030. Phone: (714) 642-0034. Providers update this record themselves, so call before visiting.
How can I verify Matthew Roy Isaacks, FNP's license?
NPPES lists California license number 95012423, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Matthew Roy Isaacks, FNP prescribe under Medicare Part D?
In 2024, Matthew Roy Isaacks, FNP had 143 Medicare Part D claims for 90 beneficiaries; the average among primary care nurse practitioner prescribers was 1,492. 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.