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Michael Antoszewski, L.AC.
NPI 1336574961 · Acupuncturist · Portland, OR
Michael Antoszewski, L.AC. is a Acupuncturist provider in Portland, OR (NPI 1336574961).
Provider details
- NPI number
- 1336574961
- Entity type
- Individual
- Primary specialty
- AcupuncturistOther Service Providers
- Credential
- L.AC.
- Sex
- Male
- Sole proprietor
- Yes
- License
- AC164963 (OR)
Specialties & taxonomies
Other Service Providers
Profile Score
Detailed profile(77/100 index)
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
4531 Se Belmont St
Suite #305
Portland, OR 97215-1675
Phone: (503) 490-1916
Street-level locationGet directions
Mailing address
4425 Se Salmon St
Portland, OR 97215-2446
Registry dates
- Enumerated
- 2013-09-13
- Last updated
- 2014-06-17
Frequently asked questions
- What is Michael Antoszewski's NPI number?
- Michael Antoszewski's National Provider Identifier (NPI) is 1336574961, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Michael Antoszewski's specialty?
- Michael Antoszewski is listed in the NPPES registry with a primary specialty of Acupuncturist (Other Service Providers).
- Where is Michael Antoszewski located?
- Michael Antoszewski's practice location on file with NPPES is 4531 Se Belmont St, Portland, OR 97215-1675.
- What is Michael Antoszewski's phone number?
- The practice phone number listed in the NPPES registry for Michael Antoszewski is (503) 490-1916.
- Is Michael Antoszewski's NPI active?
- Yes — Michael Antoszewski's NPI (1336574961) is active in the NPPES registry as of the last update on 2014-06-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.