VIRGINIA MASON MEDICAL CENTER-OB GYN
NPI 1841347358
Obstetrics & Gynecology in Seattle, WA

Active since January 05, 2007
1100 9TH AVE, SEATTLE, WA 98101(206) 223-6600 Get Directions Write a Review

NPPES record last updated: August 7, 2024. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Aug 7, 2024, Apr 16, 2024, Jun 15, 2023 and 1 more (4 updates tracked since 2021).

About Virginia Mason Medical Center-ob Gyn NPPES

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

VIRGINIA MASON MEDICAL CENTER-OB GYN (NPI 1841347358) is a healthcare organization registered as an obstetrics & gynecology in Seattle, Washington and active in the NPI registry since January 2007. The organization lists Monica Hilt, President, as its authorized official.

NPPES Registry Identity

NPI1841347358
Entity TypeOrganization
Primary Taxonomy207V00000X
Legal Business NameVIRGINIA MASON MEDICAL CENTER
Location Address1100 9TH AVESeattle, WA 98101-2756
Mailing AddressPo Box 741515Los Angeles, CA 90074-1515 · (206) 515-5811 · Fax (206) 341-0274
Organization SubpartYes
Authorized OfficialMonica HiltPresident · (206) 341-1208
Enumeration DateJanuary 5, 2007
Last NPPES UpdateAugust 7, 20244 updates tracked since enumeration
NPPES CertifiedAugust 7, 2024
✔ NPI 1841347358 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyObstetrics & GynecologyAllopathic & Osteopathic Physicians
Taxonomy Code207V00000X
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.
1100 9TH AVE, Seattle, WA 98101

Other Names 1

Doing Business AsVirginia Mason Medical Center-ob Gyn

Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Virginia Mason Medical Center-ob Gyn is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

1,019

Medicare enrollment records show 1,019 clinicians reassign Medicare billing to Virginia Mason Medical Center-Ob Gyn, which bills Medicare for the services they deliver. Of these, 488 practice at this address and 674 within 10 miles. Listed here are the 20 practicing nearest to this location.

Clinicians by Medicare Specialty 62

Internal Medicine108
Nurse Practitioner99
Certified Registered Nurse Anesthetist (CRNA)80
Hospitalist59
Anesthesiology58
Family Practice47
Physical Therapist in Private Practice35
Diagnostic Radiology34
54 other specialties499

Nearest to this location (20)

See all 1,019
Endocrinology
NPI 1730319484
1100 9TH AVE
Seattle, WA 98101
(206) 223-6624
✔ PECOS✔ Accepts MedicareSame address
Pathology
NPI 1487831889
1100 9TH AVE MS:C6-LAB
Seattle, WA 98101
(206) 223-6861
✔ PECOS✔ Accepts MedicareSame address
Anesthesiology
NPI 1649513623
1100 9TH AVE B2-AN
Seattle, WA 98101
(206) 223-6980
✔ PECOS✔ Accepts MedicareSame address
Certified Registered Nurse Anesthetist (CRNA)
NPI 1255901484
1100 9TH AVE
Seattle, WA 98101
(206) 223-6980
✔ Accepts MedicareSame address
Cardiovascular Disease (Cardiology)
NPI 1114215563
1100 9TH AVE
Seattle, WA 98101
(206) 341-1111
✔ PECOS✔ Accepts MedicareSame address
Diagnostic Radiology
NPI 1649776782
1100 9TH AVE
Seattle, WA 98101
(206) 624-1144
✔ PECOS✔ Accepts MedicareSame address
Neurology
NPI 1013335330
1100 9TH AVE
Seattle, WA 98101
(206) 223-7525
✔ PECOS✔ Accepts MedicareSame address
Otolaryngology
NPI 1790148187
1100 9TH AVE
Seattle, WA 98101
(206) 223-6374
✔ PECOS✔ Accepts MedicareSame address
Dermatology
NPI 1477916948
1100 9TH AVE
Seattle, WA 98101
(206) 583-6025
✔ PECOS✔ Accepts MedicareSame address
Internal Medicine
NPI 1194822254
1100 9TH AVE
Seattle, WA 98101
(206) 223-6600
✔ PECOS✔ Accepts MedicareSame address
Sleep Medicine
NPI 1982712584
1100 9TH AVE
Seattle, WA 98101
(206) 223-6600
✔ PECOS✔ Accepts MedicareSame address
Infectious Disease
NPI 1154534170
1100 9TH AVE
Seattle, WA 98101
(206) 341-0846
✔ PECOS✔ Accepts MedicareSame address
Gynecological Oncology
NPI 1194026690
1100 9TH AVE
Seattle, WA 98101
(206) 515-5811
✔ PECOS✔ Accepts MedicareSame address
Qualified Speech Language Pathologist
NPI 1851633531
1100 9TH AVE
Seattle, WA 98101
(206) 223-6600
Same address
Nurse Practitioner
NPI 1487369641
1100 9TH AVE
Seattle, WA 98101
(206) 583-2299
✔ PECOS✔ Accepts MedicareSame address
Undersea and Hyperbaric Medicine
NPI 1811092935
1100 9TH AVE
Seattle, WA 98101
(206) 223-2385
✔ PECOS✔ Accepts MedicareSame address
Interventional Radiology
NPI 1770146078
1100 9TH AVE
Seattle, WA 98101
(206) 223-6851
✔ PECOS✔ Accepts MedicareSame address
Gastroenterology
NPI 1891174314
1100 9TH AVE MS:C3-GAS
Seattle, WA 98101
(206) 223-2319
✔ PECOS✔ Accepts MedicareSame address
Registered Dietitian or Nutrition Professional
NPI 1326856006
1100 9TH AVE
Seattle, WA 98101
(925) 951-7876
Same address
Physical Therapist in Private Practice
NPI 1083032288
1100 9TH AVE
Seattle, WA 98101
(206) 223-6600
✔ Accepts MedicareSame address
See all 1,019 clinicians

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Medical Equipment Supplier Medicare DMEPOS

Medicare supplier enrollment and the product categories Virginia Mason Medical Center Main carries, from the Medicare DMEPOS supplier directory.

Virginia Mason Medical Center Main

DMEPOS supplier · Seattle, WAOperated by Virginia Mason Medical Center
✔

Accepts Medicare assignment

Virginia Mason Medical Center Main agrees to accept the Medicare-approved amount as full payment for covered equipment and supplies. Medicare patients are not billed beyond the standard deductible and coinsurance.

PTAN (Medicare Supplier Number)20553599
Medicare Participant SinceJanuary 1, 2009
Supplier Location1100 9th AveSeattle, WA 98101
Provider TypeAll Other Supplies (ie, Drug Stores, Etc.) · Physician – Unknown Physician Specialty
Supplier Specialties
Orthotic Personnel

Medicare Product Categories

Orthoses: Custom Fabricated
Custom met pads, Custom heel pads, Custom heel spur pads
Product categories are from the Medicare DMEPOS supplier directory. Contact the supplier to confirm current availability of specific items.

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 Virginia Mason Medical Center's NPI number?

The NPI number for Virginia Mason Medical Center is 1841347358. It was assigned to this organization in the NPPES registry on January 5, 2007. The provider is doing business as Virginia Mason Medical Center-Ob Gyn.

Where is Virginia Mason Medical Center located?

Virginia Mason Medical Center is located at 1100 9th Ave, Seattle, WA 98101. The listed phone number is (206) 223-6600.

What is Virginia Mason Medical Center's specialty?

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

Is Virginia Mason Medical Center enrolled in Medicare?

Yes. Virginia Mason Medical Center is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Virginia Mason Medical Center?

According to the CMS Revalidation Reassignment List (October 2026 release), 1,019 clinicians in 62 Medicare specialties reassign their Medicare billing to Virginia Mason Medical Center. A reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for the clinician's services. The largest specialties are Internal Medicine (108), Nurse Practitioner (99) and Certified Registered Nurse Anesthetist (CRNA) (80). Of these, 488 practice at this address and 674 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Does Virginia Mason Medical Center accept Medicare assignment for medical equipment?

Yes. As a Medicare medical equipment supplier, Virginia Mason Medical Center Main accepts Medicare assignment: the supplier accepts the Medicare-approved amount as payment in full for covered equipment and supplies.

When was this NPI record last updated?

The NPPES record for Virginia Mason Medical Center was last updated on August 7, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 years 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.