Richard Lasiewski, D.O.
NPI 1255687851 · Diagnostic Radiology Physician · Arroyo Grande, CA
Richard Lasiewski, D.O. is a Diagnostic Radiology Physician provider in Arroyo Grande, CA (NPI 1255687851).
Provider details
- NPI number
- 1255687851
- Entity type
- Individual
- Primary specialty
- Diagnostic Radiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- D.O.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 20A3173 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
13 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
- 2012-08-01
- Last updated
- 2012-08-01
Frequently asked questions
- What is Richard Lasiewski's NPI number?
- Richard Lasiewski's National Provider Identifier (NPI) is 1255687851, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Richard Lasiewski's specialty?
- Richard Lasiewski is listed in the NPPES registry with a primary specialty of Diagnostic Radiology Physician (Allopathic & Osteopathic Physicians).
- Where is Richard Lasiewski located?
- Richard Lasiewski's practice location on file with NPPES is 1775 Bee Canyon Rd, Arroyo Grande, CA 93420-4964.
- What is Richard Lasiewski's phone number?
- The practice phone number listed in the NPPES registry for Richard Lasiewski is (805) 481-5356.
- Is Richard Lasiewski's NPI active?
- Yes — Richard Lasiewski's NPI (1255687851) is active in the NPPES registry as of the last update on 2012-08-01.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.