Mark Thelen, PSYD LP LMFT
NPI 1568425908 · Psychologist · Monticello, MN
Enrolled with Medicare as Practitioner - Clinical Psychologist · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mark Thelen, PSYD LP LMFT is a Psychologist provider in Monticello, MN (NPI 1568425908).
Provider details
- NPI number
- 1568425908
- Entity type
- Individual
- Primary specialty
- PsychologistBehavioral Health & Social Service Providers
- Credential
- PSYD LP LMFT
- Sex
- Male
- Sole proprietor
- Yes
- License
- 645 (MN)
Specialties & taxonomies
Behavioral Health & Social Service Providers
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
20 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
- 2006-04-07
- Last updated
- 2021-04-21
- Certified
- 2021-04-21
Frequently asked questions
- What is Mark Thelen's NPI number?
- Mark Thelen's National Provider Identifier (NPI) is 1568425908, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Thelen's specialty?
- Mark Thelen is listed in the NPPES registry with a primary specialty of Psychologist (Behavioral Health & Social Service Providers).
- Where is Mark Thelen located?
- Mark Thelen's practice location on file with NPPES is 261 E Broadway St, Monticello, MN 55362-9317.
- What is Mark Thelen's phone number?
- The practice phone number listed in the NPPES registry for Mark Thelen is (763) 370-0243.
- Does Mark Thelen accept Medicare?
- Mark Thelen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mark Thelen's NPI active?
- Yes — Mark Thelen's NPI (1568425908) is active in the NPPES registry as of the last update on 2021-04-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.