Stephani Amstadter, M.D.
NPI 1750329777 · Family Medicine Physician · Lakewood, WA
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Stephani Amstadter, M.D. is a Family Medicine Physician provider in Lakewood, WA (NPI 1750329777).
Provider details
- NPI number
- 1750329777
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- 241321-1 (NY)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
20 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
1 documented practice location
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
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.
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$26 across 1 record (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-06-03
- Last updated
- 2016-08-10
Frequently asked questions
- What is Stephani Amstadter's NPI number?
- Stephani Amstadter's National Provider Identifier (NPI) is 1750329777, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Stephani Amstadter's specialty?
- Stephani Amstadter is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Stephani Amstadter located?
- Stephani Amstadter's practice location on file with NPPES is 5920 - 100th St. Sw #31, Lakewood, WA 98499-2751.
- What is Stephani Amstadter's phone number?
- The practice phone number listed in the NPPES registry for Stephani Amstadter is (253) 584-3023.
- Does Stephani Amstadter accept Medicare?
- Stephani Amstadter is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Stephani Amstadter's NPI active?
- Yes — Stephani Amstadter's NPI (1750329777) is active in the NPPES registry as of the last update on 2016-08-10.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.