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

DR. CYNTHIA KAY WALLACE MD
NPI 1235305889
Internal Medicine - Infectious Disease in Seattle, WA

Active since May 05, 2008PECOS Enrolled
1959 NE PACIFIC STREET BOX 356423, SEATTLE, WA 98195(919) 259-4678 Get Directions Write a Review

NPPES record last updated: July 8, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Jul 8, 2026, Jun 24, 2024, Dec 17, 2021 and 1 more (4 updates tracked since 2019).

About Dr. Cynthia Kay Wallace Md NPPES

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

DR. CYNTHIA KAY WALLACE MD (NPI 1235305889) is an individual infectious disease provider in Seattle, Washington, licensed in Washington (MD.MD.60250818) and active in the NPI registry since May 2008. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1235305889
Entity TypeIndividualFemale
Primary Taxonomy207RI0200X
Provider Legal NameDR. CYNTHIA KAY WALLACECredential: MD
Location Address1959 NE PACIFIC STREET BOX 356423Seattle, WA 98195-2223
Mailing AddressPo Box 50095Seattle, WA 98145-5095 · (206) 520-5700
Sole ProprietorNo
Enumeration DateMay 5, 2008
Last NPPES UpdateJuly 8, 20264 updates tracked since enumeration
NPPES CertifiedJuly 8, 2026
NPI 1235305889 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyInternal Medicine · Infectious DiseaseAllopathic & Osteopathic Physicians
Taxonomy Code207RI0200X
License Licensed in WA · MD.MD.60250818
Definition
An internist who deals with infectious diseases of all types and in all organ systems. Conditions requiring selective use of antibiotics call for this special skill. This physician often diagnoses and treats AIDS patients and patients with fevers which have not been explained. Infectious disease specialists may also have expertise in preventive medicine and travel medicine.
1959 NE PACIFIC STREET BOX 356423, Seattle, WA 98195

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

Enrolled in Medicare (PECOS)

Dr. Cynthia Kay Wallace 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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 98195 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
$143.76 typical visit price
range $63.67 – $189.37
Typical copayment $35.94 (range $15.91 – $47.34)
Most-billed visit code 99204
Established Patient
$111.00 typical visit price
range $21.12 – $155.00
Typical copayment $27.75 (range $5.28 – $38.75)
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

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

Internal Medicine (Infectious Disease)
1959 NE PACIFIC STREET BOX 356423
SEATTLE, WA 98195

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 Cynthia Wallace's NPI number?

The NPI number for Cynthia Wallace is 1235305889. It was assigned to this individual provider in the NPPES registry on May 5, 2008.

Where is Cynthia Wallace located?

Cynthia Wallace practices at 1959 NE Pacific Street Box 356423, Seattle, WA 98195. The listed phone number is (919) 259-4678.

What is Cynthia Wallace's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Infectious Disease, with taxonomy code 207RI0200X.

Is Cynthia Wallace enrolled in Medicare?

Yes. Cynthia Wallace is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Cynthia Wallace was last updated on July 8, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 34 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.