IndividualActive
John Loppnow
NPI 1932677689 · Marriage & Family Therapist · Montrose, CA
John Loppnow is a Marriage & Family Therapist provider in Montrose, CA (NPI 1932677689).
Provider details
- NPI number
- 1932677689
- Entity type
- Individual
- Primary specialty
- Marriage & Family TherapistBehavioral Health & Social Service Providers
- Sex
- Male
- Sole proprietor
- No
- License
- 51457 (CA)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Established profile(67/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
7 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
2233 Honolulu Ave # 308
Montrose, CA 91020-1635
Phone: (626) 634-2131
Street-level locationGet directions
Mailing address
2233 Honolulu Ave Ste 308
Montrose, CA 91020-1635
Registry dates
- Enumerated
- 2018-11-09
- Last updated
- 2025-08-13
- Certified
- 2025-08-13
Frequently asked questions
- What is John Loppnow's NPI number?
- John Loppnow's National Provider Identifier (NPI) is 1932677689, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Loppnow's specialty?
- John Loppnow is listed in the NPPES registry with a primary specialty of Marriage & Family Therapist (Behavioral Health & Social Service Providers).
- Where is John Loppnow located?
- John Loppnow's practice location on file with NPPES is 2233 Honolulu Ave # 308, Montrose, CA 91020-1635.
- What is John Loppnow's phone number?
- The practice phone number listed in the NPPES registry for John Loppnow is (626) 634-2131.
- Is John Loppnow's NPI active?
- Yes — John Loppnow's NPI (1932677689) is active in the NPPES registry as of the last update on 2025-08-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.