Darla Oak
Nurse Practitioner · Reseda, CA
Darla Oak is a nurse practitioner with a practice address in Reseda, California, and NPI 1891868337, issued on Nov 15, 2006. Check the license (California 582844, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Darla Oak
- Primary taxonomy
- Nurse Practitioner 363L00000X
- License number
- 582844 CA
Self-reported in NPPES; status is on the state search - Practice location
- 7150 Tampa Ave, Reseda, CA 91335
- Phone
- (818) 774-3354
- Enumerated
- Nov 15, 2006
- Record last updated
- Jun 4, 2009 (not updated in 17 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20070626000401); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest nurse practitioner records → All 8,223 in California → Look up another NPI →
Also registered at 7150 Tampa Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Minelie Asadorian Masihi, PHARMDPharmacist1710603196
- Sean Boucher, PHARM.DPharmacist1942643713
- Sandy Carrillo, RNRegistered Nurse1235858069
- Nelli Dallakyan, PHARMDPharmacist1881427821
- Betty DoveRegistered Nurse1497679120
- Nallini Gnanadesigan, M.D.Geriatric Medicine (Internal Medicine) Physician1467480020
Verify Darla Oak in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 582844Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2% fewer Medicare Part D claims than the average nurse practitioner in 2024
1,087 Medicare Part D claims for 151 beneficiaries, against an average of 1,109 among the 54,319 providers of this specialty who prescribed in Part D. Brand-name drugs were 17% of claims. 45 claims were for opioids.
Most prescribed
- Gabapentin150 claims
- Levothyroxine Sodium89 claims
- Furosemide46 claims
- Lantus Solostar37 claims
- Eliquis34 claims
- Cephalexin28 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 100 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- Jha Geriatric Services IncReseda, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Darla Oak among 8,223 nurse practitioner records in California
Darla Oak is one of 8,223 nurse practitioner records with a practice address in California. 65% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 2% of them.
- NPI issued2006 · 2% of these records are older, 82% newer
- In a Medicare fileYes · 65% of these records are
- In the CMS Doctors and Clinicians fileYes · 42% of these records are
- Graduated2006 · median 2017 among the 3,425 with a school on file
- Record last updated2009 · 45% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363L00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
9 nurse practitioner records list a practice address in Reseda
They are 9 of the 773 NPPES records with a practice address in Reseda, and 8,223 nurse practitioner records in California.
All 8,223 in California → Every provider in Reseda → Nurse Practitioner nationwide →
The 8 nurse practitioner records with the nearest ZIP codes
- Elizabeth CaballeroReseda, CA 913351134958432
- Mano Hovasapyan, NPReseda, CA 913351154252435
- Ann Keren-ZviReseda, CA 913351902979552
- Jiyeon Kim, NURSE PRACTITIONERReseda, CA 913351043780216
- Adrean Knight, FNPReseda, CA 913351083496418
- Roxanne LoveReseda, CA 913351265380943
- Desiree Olan, DNPReseda, CA 913351992216865
- Sudharshini Sathyadharshanan, NPReseda, CA 913351235923632
Common questions
What is Darla Oak's NPI number?
Darla Oak's National Provider Identifier (NPI) is 1891868337, issued on Nov 15, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Darla Oak located?
The NPPES record lists a practice address at 7150 Tampa Ave, Reseda, CA, 91335. Phone: (818) 774-3354. Providers update this record themselves, so call before visiting.
How can I verify Darla Oak's license?
NPPES lists California license number 582844, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Darla Oak prescribe under Medicare Part D?
In 2024, Darla Oak had 1,087 Medicare Part D claims for 151 beneficiaries; the average among nurse practitioner prescribers was 1,109. Part D covers Medicare prescriptions only.
What is Darla Oak's MIPS final score?
The 2023 MIPS final score is 100 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.