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Letizia Alto, M.D.
NPI 1871742312 · Family Medicine Physician · Seattle, WA
Letizia Alto, M.D. is a Family Medicine Physician provider in Seattle, WA (NPI 1871742312).
Provider details
- NPI number
- 1871742312
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- Yes
- License
- ML 60024996 (WA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Detailed profile(87/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
17 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
550 16th Ave
Suite 100
Seattle, WA 98122-5699
Phone: (206) 320-2233
Street-level locationGet directions
Mailing address
910 8th Ave
Seattle, WA 98104-1225
Registry dates
- Enumerated
- 2008-09-09
- Last updated
- 2008-09-09
Frequently asked questions
- What is Letizia Alto's NPI number?
- Letizia Alto's National Provider Identifier (NPI) is 1871742312, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Letizia Alto's specialty?
- Letizia Alto is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Letizia Alto located?
- Letizia Alto's practice location on file with NPPES is 550 16th Ave, Seattle, WA 98122-5699.
- What is Letizia Alto's phone number?
- The practice phone number listed in the NPPES registry for Letizia Alto is (206) 320-2233.
- Is Letizia Alto's NPI active?
- Yes — Letizia Alto's NPI (1871742312) is active in the NPPES registry as of the last update on 2008-09-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.