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CATHERINE D TANNER FNP
NPI 1083743769
Nurse Practitioner - Family in Oakland, CA

Active since March 05, 2007PECOS Enrolled
3100 SUMMIT ST, THIRD FLOOR, SUITE 3206, OAKLAND, CA 94609(510) 869-6511(510) 869-6677 Get Directions Write a Review

NPPES record last updated: September 16, 2015. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Catherine D Tanner Fnp NPPES

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

CATHERINE D TANNER FNP (NPI 1083743769) is an individual family provider in Oakland, California, licensed in California (17122) and active in the NPI registry since March 2007. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1083743769
Entity TypeIndividualFemale
Primary Taxonomy363LF0000X
Provider Legal NameCATHERINE D TANNERCredential: FNP
Location Address3100 SUMMIT ST, THIRD FLOOR, SUITE 3206Oakland, CA 94609-3412
Mailing Address3100 Summit Street, Third Floor, Suite 3602Oakland, CA 94609 · (510) 869-6500 · Fax (510) 869-6677
Phone(510) 869-6511
Fax(510) 869-6677
Sole ProprietorYes
Enumeration DateMarch 5, 2007
Last NPPES UpdateSeptember 16, 2015
✔ NPI 1083743769 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · FamilyPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LF0000X
License✔ Licensed in CA · 17122
3100 SUMMIT ST, Oakland, CA 94609
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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 (PECOS)

Catherine D Tanner Fnp 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 Reassignment

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

Jagmohan S. Khaira, M.D, Inc.
2.3 mi
Hospice and Palliative Medicine
1050 MARINA VILLAGE PKWY, SUITE 101
Alameda, CA 94501
  • Reassigned Medicare billing, California enrollment
  • Medicare enrollment name: Jagmohan S Khaira MD Inc
  • 6 clinicians in this Medicare group
NPI 1306250212 (510) 227-5540

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 94609 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
$104.51 typical visit price
range $69.00 – $202.35
Typical copayment $26.12 (range $17.25 – $50.58)
Most-billed visit code 99203
Established Patient
$119.48 typical visit price
range $23.44 – $166.46
Typical copayment $29.87 (range $5.86 – $41.61)
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.

Other Providers at the Same Location NPPES 17

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

JOANNA VIOLET ESPLANA DE MESA NP-C
Nurse Practitioner (Family)
3100 SUMMIT ST
OAKLAND, CA 94609
Alameda County (510) 869-8865
KIM SEAY RD
Dietitian, Registered
3100 SUMMIT ST
OAKLAND, CA 94609
Alameda County (510) 655-4000
ALYSSA RELOS
Nurse Practitioner (Primary Care)
3100 SUMMIT ST
OAKLAND, CA 94609
Alameda County (510) 869-8865
RAFFI A BASHLIAN ANP
Nurse Practitioner (Adult Health)
3100 SUMMIT ST, 2ND FLOOR, EAST BAY AIDS CENTER (EBAC)
OAKLAND, CA 94609
Alameda County (510) 869-8400
DR. HERBERT ARTHUR HOLMAN MD
Dermatology
3100 SUMMIT ST, FL 2
OAKLAND, CA 94609
Alameda County (510) 869-8400
ELISABETH ANNE SHERRATT FNP
Nurse Practitioner (Family)
3100 SUMMIT ST, 2ND FLOOR, SUITE 2549
OAKLAND, CA 94609
Alameda County (510) 869-8865
JENNIFER MINN CPNP-PC
Nurse Practitioner (Pediatrics)
3100 SUMMIT ST
OAKLAND, CA 94609
Alameda County (510) 655-4000
SOPHIA STEWART NP
Nurse Practitioner (Family)
3100 SUMMIT ST
OAKLAND, CA 94609
Alameda County (510) 204-3410

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 Catherine Tanner's NPI number?

The NPI number for Catherine Tanner is 1083743769. It was assigned to this individual provider in the NPPES registry on March 5, 2007.

Where is Catherine Tanner located?

Catherine Tanner practices at 3100 Summit St Third Floor, Suite 3206, Oakland, CA 94609. The listed phone number is (510) 869-6511.

What is Catherine Tanner's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.

Is Catherine Tanner enrolled in Medicare?

Yes. Catherine Tanner is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Catherine Tanner's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Catherine Tanner reassigns Medicare benefits to Jagmohan S. Khaira, M.D, Inc. (Alameda, 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 Catherine Tanner'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 Catherine Tanner was last updated on September 16, 2015. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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.