DR. CLAUDIA E. ALVARADO M.D.
NPI 1083859045
Internal Medicine in Bakersfield, CA
About Dr. Claudia E. Alvarado M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. CLAUDIA E. ALVARADO M.D. (NPI 1083859045) is an individual internal medicine provider in Bakersfield, California, licensed in California (A106201) and active in the NPI registry since December 2008. She is enrolled in Medicare PECOS and is a graduate of Other (2004).
NPPES Registry Identity
Specialties & Licenses
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
Dr. Claudia E. Alvarado M.d. 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.
Medicare Billing Reassignment
Medicare enrollment records show Claudia Alvarado reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Santa Clara, CA 95051
- Reassigned Medicare billing, California enrollment
- 20,078 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 93305 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
BAKERSFIELD, CA 93305
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 Claudia Alvarado's NPI number?
The NPI number for Claudia Alvarado is 1083859045. It was assigned to this individual provider in the NPPES registry on December 4, 2008.
Where is Claudia Alvarado located?
Claudia Alvarado practices at 1830 Flower St, Bakersfield, CA 93305. The listed phone number is (661) 326-2202.
What is Claudia Alvarado's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Claudia Alvarado enrolled in Medicare?
Yes. Claudia 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 Claudia Alvarado's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Claudia Alvarado reassigns Medicare benefits to Permanente Medical Group Inc (Santa Clara, 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 Claudia 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 Claudia Alvarado was last updated on January 8, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.
# Dr. Claudia E. Alvarado, M.D. · NPI 1083859045
Internal Medicine physician in Bakersfield, California. Individual provider, active in the CMS NPPES registry since December 4, 2008.
## Identity
- **NPI:** 1083859045 (Entity type: Individual)
- **Enumerated:** December 4, 2008
- **Primary specialty:** Internal Medicine · taxonomy 207R00000X
- **State license:** A106201 (California)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 1830 FLOWER ST, Bakersfield, CA 93305-4144
- **Phone:** (661) 326-2202
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** Permanente Medical Group Inc (NPI 1073606299, Santa Clara, CA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2004
## Record status
- **NPPES last updated:** January 8, 2022
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Source: [NPI Profile](https://npiprofile.com/npi/1083859045) · Data from the CMS NPPES public registry.