Mark Sipowicz, REGISTERED THERAPIST
NPI 1205480845 · Mental Health Counselor · Boulder, CO
Mark Sipowicz, REGISTERED THERAPIST is a Mental Health Counselor provider in Boulder, CO (NPI 1205480845).
Provider details
- NPI number
- 1205480845
- Entity type
- Individual
- Primary specialty
- Mental Health CounselorBehavioral Health & Social Service Providers
- Credential
- REGISTERED THERAPIST
- Sex
- Male
- Sole proprietor
- Yes
- License
- 0107125 (CO)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
6 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
- 2019-08-01
- Last updated
- 2019-08-01
Frequently asked questions
- What is Mark Sipowicz's NPI number?
- Mark Sipowicz's National Provider Identifier (NPI) is 1205480845, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Sipowicz's specialty?
- Mark Sipowicz is listed in the NPPES registry with a primary specialty of Mental Health Counselor (Behavioral Health & Social Service Providers).
- Where is Mark Sipowicz located?
- Mark Sipowicz's practice location on file with NPPES is 100 Arapahoe Avenue, Boulder, CO 80302.
- What is Mark Sipowicz's phone number?
- The practice phone number listed in the NPPES registry for Mark Sipowicz is (650) 228-8286.
- Is Mark Sipowicz's NPI active?
- Yes — Mark Sipowicz's NPI (1205480845) is active in the NPPES registry as of the last update on 2019-08-01.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.