Obstetrix Medical Group of Washington Inc Ps
NPI 1861599573 · Maternal & Fetal Medicine Physician · Seattle, WA
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Obstetrix Medical Group of Washington Inc Ps is a Maternal & Fetal Medicine Physician organization in Seattle, WA (NPI 1861599573).
Provider details
- NPI number
- 1861599573
- Entity type
- Organization
- Primary specialty
- Maternal & Fetal Medicine PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Nanette Sanders, Assistant Secretary(800) 243-3839
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
- Obstetrics & Gynecology Physician207V00000X
Allopathic & Osteopathic Physicians
- Neonatal-Perinatal Medicine Physician2080N0001X
Allopathic & Osteopathic Physicians
- Diagnostic Ultrasound Physician2085U0001X
Allopathic & Osteopathic Physicians
- Family Nurse Practitioner363LF0000X
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-09-17
- Last updated
- 2024-10-23
- Certified
- 2024-10-23
Frequently asked questions
- What is Obstetrix Medical Group of Washington Inc Ps's NPI number?
- Obstetrix Medical Group of Washington Inc Ps's National Provider Identifier (NPI) is 1861599573, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Obstetrix Medical Group of Washington Inc Ps?
- Obstetrix Medical Group of Washington Inc Ps is classified in the NPPES registry as Maternal & Fetal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Obstetrix Medical Group of Washington Inc Ps located?
- Obstetrix Medical Group of Washington Inc Ps's practice location on file with NPPES is 1229 Madison St Ste 750, Seattle, WA 98104-3540.
- What is Obstetrix Medical Group of Washington Inc Ps's phone number?
- The practice phone number listed in the NPPES registry for Obstetrix Medical Group of Washington Inc Ps is (206) 386-2101.
- Does Obstetrix Medical Group of Washington Inc Ps accept Medicare?
- Obstetrix Medical Group of Washington Inc Ps is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Who is the authorized official for Obstetrix Medical Group of Washington Inc Ps?
- The authorized official listed on Obstetrix Medical Group of Washington Inc Ps's NPPES record is Nanette Sanders, Assistant Secretary. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Obstetrix Medical Group of Washington Inc Ps's NPI active?
- Yes — Obstetrix Medical Group of Washington Inc Ps's NPI (1861599573) is active in the NPPES registry as of the last update on 2024-10-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.