Warren Maas, MA, LP, JD
NPI 1912086588 · Group Psychotherapy Psychologist · Saint Paul, MN
Warren Maas, MA, LP, JD is a Group Psychotherapy Psychologist provider in Saint Paul, MN (NPI 1912086588).
Provider details
- NPI number
- 1912086588
- Entity type
- Individual
- Primary specialty
- Group Psychotherapy PsychologistBehavioral Health & Social Service Providers
- Credential
- MA, LP, JD
- Sex
- Male
- Sole proprietor
- No
- License
- LP1091 (MN)
Specialties & taxonomies
Behavioral Health & Social Service Providers
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
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
Mailing address
Registry dates
- Enumerated
- 2006-11-03
- Last updated
- 2025-09-11
Frequently asked questions
- What is Warren Maas's NPI number?
- Warren Maas's National Provider Identifier (NPI) is 1912086588, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Warren Maas's specialty?
- Warren Maas is listed in the NPPES registry with a primary specialty of Group Psychotherapy Psychologist (Behavioral Health & Social Service Providers).
- Where is Warren Maas located?
- Warren Maas's practice location on file with NPPES is 1821 University Ave W, Saint Paul, MN 55104-2801.
- What is Warren Maas's phone number?
- The practice phone number listed in the NPPES registry for Warren Maas is (651) 644-8515.
- Is Warren Maas's NPI active?
- Yes — Warren Maas's NPI (1912086588) is active in the NPPES registry as of the last update on 2025-09-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.