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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.

ISAAC K ALEXANDER PA-C
NPI 1639897374
Physician Assistant in Auburn, WA

Active since August 18, 2022PECOS Enrolled
202 N DIVISION ST, AUBURN, WA 98001(253) 833-7711 Get Directions Write a Review

NPPES record last updated: September 17, 2026. Verified against the NPPES registry weekly; last sync: September 20, 2026.

Record update history: Sep 17, 2026, Aug 21, 2023, Aug 18, 2022 (3 updates tracked since 2022).

About Isaac K Alexander Pa-c NPPES

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

ISAAC K ALEXANDER PA-C (NPI 1639897374) is an individual physician assistant in Auburn, Washington and active in the NPI registry since August 2022. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1639897374
Entity TypeIndividualMale
Primary Taxonomy363A00000X
Provider Legal NameISAAC K ALEXANDERCredential: PA-C
Location Address202 N DIVISION STAuburn, WA 98001-4939
Mailing Address4311 11th Ave Ne Ste 200Seattle, WA 98105-6367 · (206) 616-4001
Phone(253) 833-7711
Sole ProprietorNo
Enumeration DateAugust 18, 2022
Last NPPES UpdateSeptember 17, 20263 updates tracked since enumeration
NPPES CertifiedSeptember 17, 2026
✔ NPI 1639897374 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPhysician AssistantPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363A00000X
Definition
A physician assistant is a person who has successfully completed an accredited education program for physician assistant, is licensed by the state and is practicing within the scope of that license. Physician assistants are formally trained to perform many of the routine, time-consuming tasks a physician can do. In some states, they may prescribe medications. They take medical histories, perform physical exams, order lab tests and x-rays, and give inoculations. Most states require that they work under the supervision of a physician.
202 N DIVISION ST, Auburn, WA 98001
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Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Isaac K Alexander Pa-c 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.

Areas of Expertise CMS Part B claims 3

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Emergency department visit with high level of medical decision making 99285
An emergency department visit for severe conditions is when you urgently seek medical help due to serious health issues. These could be severe injuries, breathing problems, unbearable pain, or sudden severe illness. Doctors and nurses will provide immediate care to stabilize your condition.
25 services25 patients
Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 93010
A routine electrocardiogram (ECG) with 12 leads is a simple, non-invasive test that records the electrical activity of your heart. It helps in identifying heart conditions by detecting irregularities in your heart rhythms. The results are interpreted and a report is provided.
11 services11 patients
Emergency department visit with moderate level of medical decision making 99284
An emergency department visit for a high-severity issue means you're experiencing a serious health problem that needs immediate attention. This could be a severe injury, serious illness, or life-threatening condition. Medical professionals will provide urgent care to stabilize your condition.
11 services11 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 98001 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
$97.43 typical visit price
range $63.67 – $189.37
Typical copayment $24.35 (range $15.91 – $47.34)
Most-billed visit code 99203
Established Patient
$78.74 typical visit price
range $21.12 – $155.00
Typical copayment $19.68 (range $5.28 – $38.75)
Most-billed visit code 99213
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 20

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

PROVASCULAR DIAGNOSTIC AND IMAGING PLLC
Radiology (Vascular & Interventional Radiology)
202 N DIVISION ST, SUITE 200
AUBURN, WA 98001
King County (253) 735-4341
EDUARDO GIL DE RUBIO MD
Internal Medicine
202 N DIVISION ST
AUBURN, WA 98001
King County (253) 833-7711
KARA NICOLE PURDY M.D.
Emergency Medicine
202 N DIVISION ST
AUBURN, WA 98001
King County (253) 833-7711
MR. THOMAS BEGLEY RN
Registered Nurse (Psychiatric/Mental Health)
202 N DIVISION ST
AUBURN, WA 98001
King County (253) 545-2050
DR. ROBERT TODD MIDDLETON M.D.
Internal Medicine (Cardiovascular Disease)
202 N DIVISION ST, STE 201
AUBURN, WA 98001
King County (253) 939-1230
JUNKO YASUDA-FREE D.O.
Psychiatry & Neurology (Psychiatry)
202 N DIVISION ST
AUBURN, WA 98001
King County (253) 697-8400
SIDNEY BEERS MD
Emergency Medicine
202 N DIVISION ST
AUBURN, WA 98001
King County (253) 833-7711
WASHINGTON NUCLEAR MEDICINE LLC
Nuclear Medicine (Nuclear Imaging & Therapy)
202 N DIVISION ST, PLAZA ONE
AUBURN, WA 98001
King County (253) 333-2574

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 Isaac Alexander's NPI number?

The NPI number for Isaac Alexander is 1639897374. It was assigned to this individual provider in the NPPES registry on August 18, 2022.

Where is Isaac Alexander located?

Isaac Alexander practices at 202 N Division St, Auburn, WA 98001. The listed phone number is (253) 833-7711.

What is Isaac Alexander's specialty?

The primary specialty registered for this NPI is Physician Assistant with taxonomy code 363A00000X.

Is Isaac Alexander enrolled in Medicare?

Yes. Isaac Alexander is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Isaac Alexander was last updated on September 17, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.