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KAREN A. REARDON MD
NPI 1013095827
Internal Medicine - Rheumatology in Manteca, CA

Active since November 01, 2006PECOS Enrolled
1079 EUCALYPTUS STREET, STE A, MANTECA, CA 95337(209) 284-4561(209) 284-4562 Get Directions Write a Review

NPPES record last updated: March 27, 2024. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Karen A. Reardon Md NPPES

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

KAREN A. REARDON MD (NPI 1013095827) is an individual rheumatology provider in Manteca, California, licensed in California (G74304) and active in the NPI registry since November 2006. She is enrolled in Medicare PECOS and maintains 3 additional practice locations.

NPPES Registry Identity

NPI1013095827
Entity TypeIndividualFemale
Primary Taxonomy207RR0500X
Provider Legal NameKAREN A. REARDONCredential: MD
Location Address1079 EUCALYPTUS STREET, STE AManteca, CA 95337-4317
Mailing Address1079 Eucalyptus Street, Ste AManteca, CA 95337-4317 · (209) 284-4561 · Fax (209) 284-4562
Phone(209) 284-4561
Fax(209) 284-4562
Sole ProprietorNo
Enumeration DateNovember 1, 2006
Last NPPES UpdateMarch 27, 2024
NPPES CertifiedMarch 27, 2024
✔ NPI 1013095827 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · RheumatologyAllopathic & Osteopathic Physicians
Taxonomy Code207RR0500X
License✔ Licensed in CA · G74304
Definition
An internist who treats diseases of joints, muscle, bones and tendons. This specialist diagnoses and treats arthritis, back pain, muscle strains, common athletic injuries and collagen diseases.
1079 EUCALYPTUS STREET, Manteca, CA 95337
Open in Google Maps ↗

Secondary Practice Locations 3

Location 12510 Airpark Drive, Ste 305Redding, CA 96001-2462 · Phone (209) 284-4561 · Fax (209) 284-4562
Location 2530 W Eaton Avenue, Ste CTracy, CA 95376-3454 · Phone (209) 284-4561 · Fax (209) 284-4562
Location 36600 Madison Avenue, Ste 2Carmichael, CA 95608-0645 · Phone (209) 284-4561 · Fax (209) 284-4562

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross Blue Shield of Arizona.Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Karen A. Reardon Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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 Reassignments

3

Medicare enrollment records show Karen Reardon reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Arthritis And Rheumatism Center Inc., A Medical Corporation
Same address
Rheumatology
1079 EUCALYPTUS ST, SUITE A
Manteca, CA 95337
  • Reassigned Medicare billing, California enrollment
  • 2 clinicians in this Medicare group
NPI 1477914232 (209) 284-4561
Redding Rancheria
202 mi
Federally Qualified Health Center (FQHC)
3305 PLACER STREET SUITE B
Redding, CA 96001
  • Reassigned Medicare billing, California enrollment
  • 54 clinicians in this Medicare group
NPI 1780423244 (530) 225-6805
Northwest Allied Physicians LLC
691 mi
General Practice
6060 N FOUNTAIN PLAZA DR STE 270
Tucson, AZ 85704
  • Reassigned Medicare billing, Arizona enrollment
  • 296 clinicians in this Medicare group
NPI 1003833179 (520) 229-2578

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 95337 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$133.94 typical visit price
range $58.87 – $176.60
Typical copayment $33.48 (range $14.71 – $44.15)
Most-billed visit code 99204
Established Patient
$103.36 typical visit price
range $19.28 – $144.60
Typical copayment $25.84 (range $4.82 – $36.15)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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 Reardon's NPI number?

The NPI number for Karen Reardon is 1013095827. It was assigned to this individual provider in the NPPES registry on November 1, 2006.

Where is Karen Reardon located?

Karen Reardon practices at 1079 Eucalyptus Street Ste A, Manteca, CA 95337. The listed phone number is (209) 284-4561.

What is Karen Reardon's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Rheumatology, with taxonomy code 207RR0500X.

Is Karen Reardon enrolled in Medicare?

Yes. Karen Reardon is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Karen Reardon's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Karen Reardon reassigns Medicare benefits to 3 organizations: Arthritis And Rheumatism Center Inc., A Medical Corporation (Manteca, CA), Redding Rancheria (Redding, CA) and Northwest Allied Physicians LLC (Tucson, AZ). Each 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 Reardon's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Karen Reardon accept?

Health plans from Blue Cross Blue Shield of Arizona list Karen Reardon as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Karen Reardon was last updated on March 27, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.