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KAREN SUSAN ALVARADO
NPI 1871372474
Registered Nurse in Oakland, CA

Active since September 25, 2023PECOS EnrolledAccepts Medicare Assignment
2920 INTERNATIONAL BLVD, OAKLAND, CA 94601(510) 485-5925 Get Directions Write a Review

NPPES record last updated: September 25, 2023. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Karen Susan Alvarado NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

KAREN SUSAN ALVARADO (NPI 1871372474) is an individual registered nurse in Oakland, California, licensed in California (RN95298872) and active in the NPI registry since September 2023. She is enrolled in Medicare PECOS and is a graduate of Other (2024).

NPPES Registry Identity

NPI1871372474
Entity TypeIndividualFemale
Primary Taxonomy163W00000X
Provider Legal NameKAREN SUSAN ALVARADO
Location Address2920 INTERNATIONAL BLVDOakland, CA 94601-2228
Mailing Address2132 Judah StSan Francisco, CA 94122-1535 · (323) 428-0804
Phone(510) 485-5925
Sole ProprietorYes
Medical School CMSOtherGraduated 2024
Enumeration DateSeptember 25, 2023
NPPES CertifiedSeptember 22, 2023
✔ NPI 1871372474 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyRegistered NurseNursing Service Providers
Taxonomy Code163W00000X
License✔ Licensed in CA · RN95298872
Definition
(1) A registered nurse is a person qualified by graduation from an accredited nursing school (depending upon schooling, a registered nurse may receive either a diploma from a hospital program, an associate degree in nursing (A.D.N.) or a Bachelor of Science degree in nursing (B.S.N.), who is licensed or certified by the state, and is practicing within the scope of that license or certification. R.N.'s assist patient in recovering and maintaining their physical or mental health. They assist physicians during treatments and examinations and administer medications. (2) A provider who is trained and educated in a formal nursing education program at an accredited school of nursing, passes a national certification examination, and is licensed by the state to practice nursing. The individual provides nursing services to patients or clients in areas such as health promotion, disease prevention, acute and chronic care and restoration and maintenance of health across the life span.
2920 INTERNATIONAL BLVD, Oakland, CA 94601
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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Karen Susan Alvarado is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID6709317555
PECOS Enrollment IDI20241003001405
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignment

Medicare enrollment records show Karen Alvarado reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Mission Area Health Associates
10 mi
Federally Qualified Health Center (FQHC)
240 SHOTWELL ST
San Francisco, CA 94110
  • Reassigned Medicare billing, California enrollment
  • 30 clinicians in this Medicare group
NPI 1457427411 (415) 552-1013

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Other Providers at the Same Location NPPES 5

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

MAIRA BEJENARI
Registered Nurse
2920 INTERNATIONAL BLVD
OAKLAND, CA 94601
Alameda County (000) 000-0000
CHRISTINA THAI
Registered Nurse (Neonatal Intensive Care)
2920 INTERNATIONAL BLVD
OAKLAND, CA 94601
Alameda County (510) 535-4400
DR. ANGELA CHEN DDS
Dentist
2920 INTERNATIONAL BLVD
OAKLAND, CA 94601
Alameda County (510) 485-5900
HECTOR RODRIGUEZ
Registered Nurse (Emergency)
2920 INTERNATIONAL BLVD
OAKLAND, CA 94601
Alameda County (510) 485-5903
DR. OMONIYI OMOTOSO M.D., M.P.H., FAAP
Pediatrics
2920 INTERNATIONAL BLVD
OAKLAND, CA 94601
Alameda County (510) 535-4400

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Karen Alvarado's NPI number?

The NPI number for Karen Alvarado is 1871372474. It was assigned to this individual provider in the NPPES registry on September 25, 2023.

Where is Karen Alvarado located?

Karen Alvarado practices at 2920 International Blvd, Oakland, CA 94601. The listed phone number is (510) 485-5925.

What is Karen Alvarado's specialty?

The primary specialty registered for this NPI is Registered Nurse with taxonomy code 163W00000X.

Is Karen Alvarado enrolled in Medicare?

Yes. Karen Alvarado is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organization bills Medicare for Karen Alvarado's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Karen Alvarado reassigns Medicare benefits to Mission Area Health Associates (San Francisco, CA). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Karen Alvarado's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Karen Alvarado was last updated on September 25, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.