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Mark Costello, L.AC.
NPI 1346451754 · Acupuncturist · Littleton, CO
Mark Costello, L.AC. is a Acupuncturist provider in Littleton, CO (NPI 1346451754).
Provider details
- NPI number
- 1346451754
- Entity type
- Individual
- Primary specialty
- AcupuncturistOther Service Providers
- Credential
- L.AC.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 361 (CO)
Specialties & taxonomies
Other Service Providers
Profile Score
Detailed profile(89/100 index)
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
2516 W Main St
Littleton, CO 80120-1913
Phone: (303) 797-6656
Fax: (303) 797-6616
Street-level locationGet directions
Mailing address
2516 W Main St
Littleton, CO 80120-1913
Registry dates
- Enumerated
- 2007-05-25
- Last updated
- 2007-07-08
Frequently asked questions
- What is Mark Costello's NPI number?
- Mark Costello's National Provider Identifier (NPI) is 1346451754, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Costello's specialty?
- Mark Costello is listed in the NPPES registry with a primary specialty of Acupuncturist (Other Service Providers).
- Where is Mark Costello located?
- Mark Costello's practice location on file with NPPES is 2516 W Main St, Littleton, CO 80120-1913.
- What is Mark Costello's phone number?
- The practice phone number listed in the NPPES registry for Mark Costello is (303) 797-6656.
- Is Mark Costello's NPI active?
- Yes — Mark Costello's NPI (1346451754) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.