JOSHUA DUANE KNAPP MD
NPI 1205255908
Obstetrics & Gynecology in Seattle, WA

Active since April 09, 2014PECOS EnrolledAccepts Medicare Assignment
1101 MADISON ST STE 700, SEATTLE, WA 98104(206) 215-6300(206) 215-6301 Get Directions Write a Review

NPPES record last updated: May 19, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: May 19, 2026, Sep 2, 2022, May 20, 2021 (3 updates tracked since 2021).

About Joshua Duane Knapp Md NPPES

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

JOSHUA DUANE KNAPP MD (NPI 1205255908) is an individual obstetrics & gynecology provider in Seattle, Washington, licensed in Washington (MD61034300) and active in the NPI registry since April 2014. He is enrolled in Medicare PECOS, is affiliated with Swedish Medical Center, and is a graduate of Other (2014).

NPPES Registry Identity

NPI1205255908
Entity TypeIndividualMale
Primary Taxonomy207V00000X
Provider Legal NameJOSHUA DUANE KNAPPCredential: MD
Location Address1101 MADISON ST STE 700Seattle, WA 98104-3599
Mailing AddressPo Box 25608Salt Lake City, UT 84125-0608 · (206) 320-4476 · Fax (206) 568-7043
Fax(206) 215-6301
Sole ProprietorYes
Medical School CMSOtherGraduated 2014
Enumeration DateApril 9, 2014
Last NPPES UpdateMay 19, 20263 updates tracked since enumeration
NPPES CertifiedMay 19, 2026
NPI 1205255908 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyObstetrics & GynecologyAllopathic & Osteopathic Physicians
Taxonomy Code207V00000X
License Licensed in WA · MD61034300
Definition
An obstetrician/gynecologist possesses special knowledge, skills and professional capability in the medical and surgical care of the female reproductive system and associated disorders. This physician serves as a consultant to other physicians and as a primary physician for women.
1101 MADISON ST STE 700, Seattle, WA 98104

Other Identifiers 1

Medicaid2154768WA

Accepted 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

Joshua Duane Knapp 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 ID345547105
PECOS Enrollment IDI20200407003627
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

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

Swedish Medical Center

Acute Care Hospitals · Seattle, WA
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number500027
Location747 BroadwaySeattle, WA 98122 · King County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 98104 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
$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.

Advanced Practice Midwife
1101 MADISON ST STE 700
SEATTLE, WA 98104
Obstetrics & Gynecology
1101 MADISON ST STE 700
SEATTLE, WA 98104
Obstetrics & Gynecology
1101 MADISON ST STE 700
SEATTLE, WA 98104
Nurse Practitioner (Women's Health)
1101 MADISON ST STE 700
SEATTLE, WA 98104
Advanced Practice Midwife
1101 MADISON ST STE 700
SEATTLE, WA 98104
Advanced Practice Midwife
1101 MADISON ST STE 700
SEATTLE, WA 98104
Obstetrics & Gynecology
1101 MADISON ST STE 700
SEATTLE, WA 98104
Advanced Practice Midwife
1101 MADISON ST STE 700
SEATTLE, WA 98104

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 Joshua Knapp's NPI number?

The NPI number for Joshua Knapp is 1205255908. It was assigned to this individual provider in the NPPES registry on April 9, 2014.

Where is Joshua Knapp located?

Joshua Knapp practices at 1101 Madison St Ste 700, Seattle, WA 98104. The listed phone number is (206) 215-6300.

What is Joshua Knapp's specialty?

The primary specialty registered for this NPI is Obstetrics & Gynecology with taxonomy code 207V00000X.

Is Joshua Knapp enrolled in Medicare?

Yes. Joshua Knapp 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 Joshua Knapp accept?

Health plans from Premera Blue Cross Blue Shield of Alaska and Providence Health Plan list Joshua Knapp 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 Joshua Knapp affiliated with any hospitals?

According to CMS data, Joshua Knapp is affiliated with Swedish Medical Center.

When was this NPI record last updated?

The NPPES record for Joshua Knapp was last updated on May 19, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.