Donald Lonnquist, MA, ATR-BC, LPC
NPI 1497358758 · Mental Health Counselor · Haverford, PA
Donald Lonnquist, MA, ATR-BC, LPC is a Mental Health Counselor provider in Haverford, PA (NPI 1497358758).
Provider details
- NPI number
- 1497358758
- Entity type
- Individual
- Primary specialty
- Mental Health CounselorBehavioral Health & Social Service Providers
- Credential
- MA, ATR-BC, LPC
- Sex
- Male
- Sole proprietor
- No
- License
- PC009178 (PA)
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
5 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
- 2020-11-19
- Last updated
- 2020-11-19
- Certified
- 2020-11-19
Frequently asked questions
- What is Donald Lonnquist's NPI number?
- Donald Lonnquist's National Provider Identifier (NPI) is 1497358758, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Donald Lonnquist's specialty?
- Donald Lonnquist is listed in the NPPES registry with a primary specialty of Mental Health Counselor (Behavioral Health & Social Service Providers).
- Where is Donald Lonnquist located?
- Donald Lonnquist's practice location on file with NPPES is 600 Haverford Rd Ste G101, Haverford, PA 19041-1139.
- What is Donald Lonnquist's phone number?
- The practice phone number listed in the NPPES registry for Donald Lonnquist is (610) 649-1080.
- Is Donald Lonnquist's NPI active?
- Yes — Donald Lonnquist's NPI (1497358758) is active in the NPPES registry as of the last update on 2020-11-19.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.