Mary Johnson, LC-PC
NPI 1598236226 · Professional Counselor · Walkersville, MD
Mary Johnson, LC-PC is a Professional Counselor provider in Walkersville, MD (NPI 1598236226).
Provider details
- NPI number
- 1598236226
- Entity type
- Individual
- Primary specialty
- Professional CounselorBehavioral Health & Social Service Providers
- Credential
- LC-PC
- Sex
- Female
- Sole proprietor
- No
- License
- LC2304 (MD)
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
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
Mailing address
Registry dates
- Enumerated
- 2018-12-06
- Last updated
- 2018-12-06
Frequently asked questions
- What is Mary Johnson's NPI number?
- Mary Johnson's National Provider Identifier (NPI) is 1598236226, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mary Johnson's specialty?
- Mary Johnson is listed in the NPPES registry with a primary specialty of Professional Counselor (Behavioral Health & Social Service Providers).
- Where is Mary Johnson located?
- Mary Johnson's practice location on file with NPPES is 81 W Frederick St, Walkersville, MD 21793-8216.
- What is Mary Johnson's phone number?
- The practice phone number listed in the NPPES registry for Mary Johnson is (240) 236-7200.
- Is Mary Johnson's NPI active?
- Yes — Mary Johnson's NPI (1598236226) is active in the NPPES registry as of the last update on 2018-12-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.