Karen Susan Alvarado
Registered Nurse · Oakland, CA
Karen Susan Alvarado is a registered nurse with a practice address in Oakland, California, and NPI 1871372474, issued on Sep 25, 2023. Check the license (California RN95298872, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Karen Susan Alvarado
- Primary taxonomy
- Registered Nurse 163W00000X
- License number
- RN95298872 CA
Self-reported in NPPES; status is on the state search - Practice location
- 2920 International Blvd, Oakland, CA 94601
- Phone
- (510) 485-5925
- Enumerated
- Sep 25, 2023
- Record last updated
- Sep 25, 2023
- Medicare enrollment
- Enrolled (PECOS I20241003001405); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest registered nurse records → All 13,506 in California → Look up another NPI →
Also registered at 2920 International Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Angela Chen, DDSDentist1407472525
- Omoniyi Omotoso, M.D., M.P.H., FAAPPediatrics Physician1871875344
- Hector RodriguezEmergency Registered Nurse1730729625
- Christina ThaiNeonatal Intensive Care Registered Nurse1376008292
Verify Karen Susan Alvarado in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license RN95298872Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
96% fewer Medicare Part D claims than the average registered nurse in 2024
27 Medicare Part D claims for 12 beneficiaries, against an average of 678 among the 694 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.
Bills Medicare through one group practice
- Mission Area Health AssociatesSan Francisco, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Karen Susan Alvarado among 13,506 registered nurse records in California
Karen Susan Alvarado is one of 13,506 registered nurse records with a practice address in California. 3% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2023, is newer than 65% of them.
- NPI issued2023 · 65% of these records are older, 29% newer
- In a Medicare fileYes · 3% of these records are
- In the CMS Doctors and Clinicians fileYes · 1% of these records are
- Graduated2024 · median 2018 among the 146 with a school on file
- Record last updated2023 · 54% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 163W00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
436 registered nurse records list a practice address in Oakland
They are 436 of the 18,558 NPPES records with a practice address in Oakland, and 13,506 registered nurse records in California.
All 13,506 in California → Every provider in Oakland → Registered Nurse nationwide →
The 8 registered nurse records with the nearest ZIP codes
- Roxanna Buenrosto, RNOakland, CA 946011083737852
- Sandra Camacho, RNOakland, CA 946011790991792
- Arlene Espiritu, RNOakland, CA 946011316120959
- Jonathan Flores, RNOakland, CA 946011942482468
- Pamela Garcia, RNOakland, CA 946011710161146
- Selena Kan, RNOakland, CA 946011720260912
- Winnie Leung, RNOakland, CA 946011790887099
- Rosario Martinez, RNOakland, CA 946011215158183
Common questions
What is Karen Susan Alvarado's NPI number?
Karen Susan Alvarado's National Provider Identifier (NPI) is 1871372474, issued on Sep 25, 2023. An NPI identifies a provider in billing; it is not a license.
Where is Karen Susan Alvarado located?
The NPPES record lists a practice address at 2920 International Blvd, Oakland, CA, 94601. Phone: (510) 485-5925. Providers update this record themselves, so call before visiting.
How can I verify Karen Susan Alvarado's license?
NPPES lists California license number RN95298872, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Karen Susan Alvarado prescribe under Medicare Part D?
In 2024, Karen Susan Alvarado had 27 Medicare Part D claims for 12 beneficiaries; the average among registered nurse prescribers was 678. 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.