JOSEPH C PFEIFER
NPI 1235935206
Nurse Practitioner - Critical Care Medicine in Seattle, WA

Q: What is Joseph Pfeifer's NPI number?

The NPI number for Joseph Pfeifer is 1235935206. It was assigned to this individual provider in the NPPES registry on February 20, 2025.

Q: What is Joseph Pfeifer's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Critical Care Medicine, with taxonomy code 363LC0200X.

Q: When was this NPI record last updated?

The NPPES record for Joseph Pfeifer was last updated on July 30, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 months 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.

Active since February 20, 2025PECOS Enrolled

1100 9TH AVE, SEATTLE, WA 98101(206) 624-1144 Get Directions Write a Review

NPPES record last updated: July 30, 2025. Verified against the NPPES registry weekly; last sync: August 09, 2026.

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About Joseph C Pfeifer NPPES

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

JOSEPH C PFEIFER (NPI 1235935206) is an individual critical care medicine provider in Seattle, Washington, licensed in Washington (AP70032474) and active in the NPI registry since February 2025. He is enrolled in Medicare PECOS and is a graduate of Other (2025).

NPPES Registry Identity

NPI1235935206

Entity TypeIndividualMale

Primary Taxonomy363LC0200X

Provider Legal NameJOSEPH C PFEIFER

Location Address1100 9TH AVESeattle, WA 98101-2756

Mailing Address1100 9th AveSeattle, WA 98101-2756 · (206) 624-1144

Phone(206) 624-1144

Sole ProprietorYes

Medical School CMSOtherGraduated 2025

Enumeration DateFebruary 20, 2025

Last NPPES UpdateJuly 30, 2025

NPPES CertifiedJuly 30, 2025

✔ NPI 1235935206 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyNurse Practitioner · Critical Care MedicinePhysician Assistants & Advanced Practice Nursing Providers

Taxonomy Code363LC0200X

License✔ Licensed in WA · AP70032474

Also ListedRegistered Nurse · Critical Care MedicineTaxonomy 163WC0200X · License RN61328495 (WA)

1100 9TH AVE, Seattle, WA 98101

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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)

Joseph C Pfeifer is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID446749675

PECOS Enrollment IDI20251029000469

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 98101 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

$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 20

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

JACLYN ANN SUBKOVIAK OT

Occupational Therapist

1100 9TH AVE
SEATTLE, WA 98101

King County (206) 341-0461

MARCIE G HUME PHARM.D.

Pharmacist

1100 9TH AVE, MS C3-PO
SEATTLE, WA 98101

King County (206) 223-6877

DR. VINAY GUPTA MD

Internal Medicine (Critical Care Medicine)

1100 9TH AVE
SEATTLE, WA 98101

King County (206) 223-6980

MARY JO BUKOVIC CCP

Contractor

1100 9TH AVE
SEATTLE, WA 98101

King County (206) 223-6600

PEGAH SAFAEIAN D.O.

Physical Medicine & Rehabilitation

1100 9TH AVE
SEATTLE, WA 98101

King County (206) 223-6600

MRS. GENEVIEVE HOUDET-COTE SLP

Speech-Language Pathologist

1100 9TH AVE, MS:H4-PMR
SEATTLE, WA 98101

King County (206) 341-0461

ROBERT DALE MCCLURE MD

Surgery

1100 9TH AVE
SEATTLE, WA 98101

King County (206) 223-6600

VIRGINIA MASON MEDICAL CENTER

Internal Medicine (Gastroenterology)

1100 9TH AVE
SEATTLE, WA 98101

King County (206) 223-6600

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 Joseph Pfeifer's NPI number?

The NPI number for Joseph Pfeifer is 1235935206. It was assigned to this individual provider in the NPPES registry on February 20, 2025.

Where is Joseph Pfeifer located?

Joseph Pfeifer practices at 1100 9th Ave, Seattle, WA 98101. The listed phone number is (206) 624-1144.

What is Joseph Pfeifer's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Critical Care Medicine, with taxonomy code 363LC0200X.

Is Joseph Pfeifer enrolled in Medicare?

Yes. Joseph Pfeifer is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Joseph Pfeifer was last updated on July 30, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 months 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.