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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

KAIA ELIZABETH BARTH MD
NPI 1154959989
Internal Medicine - Rheumatology in Tacoma, WA

Active since March 28, 2020PECOS EnrolledAccepts Medicare Assignment
1901 S CEDAR ST STE 201, TACOMA, WA 98405(253) 459-6715(253) 459-6716 Get Directions Write a Review

NPPES record last updated: August 11, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Aug 11, 2026, Mar 28, 2020 (2 updates tracked since 2020).

About Kaia Elizabeth Barth Md NPPES

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

KAIA ELIZABETH BARTH MD (NPI 1154959989) is an individual rheumatology provider in Tacoma, Washington, licensed in Washington (MD61429500) and active in the NPI registry since March 2020. She is enrolled in Medicare PECOS, is affiliated with Tacoma General Allenmore Hospital, and is a graduate of University Of Washington School Of Medicine (2020).

NPPES Registry Identity

NPI1154959989
Entity TypeIndividualFemale
Primary Taxonomy207RR0500X
Provider Legal NameKAIA ELIZABETH BARTHCredential: MD
Location Address1901 S CEDAR ST STE 201Tacoma, WA 98405-2303
Mailing Address1901 S Cedar St Ste 201Tacoma, WA 98405-2303 · (253) 459-6715 · Fax (253) 459-6716
Phone(253) 459-6715
Fax(253) 459-6716
Sole ProprietorNo
Medical School CMSUniversity Of Washington School Of MedicineGraduated 2020
Enumeration DateMarch 28, 2020
Last NPPES UpdateAugust 11, 20262 updates tracked since enumeration
NPPES CertifiedAugust 11, 2026
✔ NPI 1154959989 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 WA · MD61429500
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.
1901 S CEDAR ST STE 201, Tacoma, WA 98405
Open in Google Maps ↗

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Premera Blue Cross Blue Shield of Alaska, Providence Health Plan.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Kaia Elizabeth Barth Md 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 ID7517366412
PECOS Enrollment IDI20250926002825
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.

Hospital Affiliations CMS Care Compare 2

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Tacoma General Allenmore Hospital

Acute Care Hospitals · Tacoma, WA
2/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number500129
Location315 S Mlk Jr WayTacoma, WA 98405 · Pierce County
Emergency services Birthing friendly

Capital Medical Center

Acute Care Hospitals · Olympia, WA
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number500139
Location3900 Capital Mall Dr SWOlympia, WA 98502 · Thurston County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 98405 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
$130.99 typical visit price
range $57.27 – $172.80
Typical copayment $32.74 (range $14.31 – $43.20)
Most-billed visit code 99204
Established Patient
$100.78 typical visit price
range $18.56 – $141.11
Typical copayment $25.19 (range $4.64 – $35.27)
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 2

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

JAMIE ROSARIO MINSHULL LICSW
Social Worker (Clinical)
1901 S CEDAR ST STE 201
TACOMA, WA 98405
Pierce County (253) 301-5248
MARCELA QUINTERO DNP, FNP-C
Nurse Practitioner
1901 S CEDAR ST STE 201
TACOMA, WA 98405
Pierce County (253) 459-6715

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 Kaia Barth's NPI number?

The NPI number for Kaia Barth is 1154959989. It was assigned to this individual provider in the NPPES registry on March 28, 2020.

Where is Kaia Barth located?

Kaia Barth practices at 1901 S Cedar St Ste 201, Tacoma, WA 98405. The listed phone number is (253) 459-6715.

What is Kaia Barth's specialty?

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

Is Kaia Barth enrolled in Medicare?

Yes. Kaia Barth 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.

What insurance does Kaia Barth accept?

Health plans from Premera Blue Cross Blue Shield of Alaska and Providence Health Plan list Kaia Barth 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.

Is Kaia Barth affiliated with any hospitals?

According to CMS data, Kaia Barth is affiliated with Tacoma General Allenmore Hospital and Capital Medical Center.

When was this NPI record last updated?

The NPPES record for Kaia Barth was last updated on August 11, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 days 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.