John Marker, MA, LMHC
NPI 1629267786 · Mental Health Counselor · Greenwood, IN
John Marker, MA, LMHC is a Mental Health Counselor provider in Greenwood, IN (NPI 1629267786).
Provider details
- NPI number
- 1629267786
- Entity type
- Individual
- Primary specialty
- Mental Health CounselorBehavioral Health & Social Service Providers
- Credential
- MA, LMHC
- Sex
- Male
- Sole proprietor
- No
- License
- 39002010A (IN)
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
18 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
- 2007-10-15
- Last updated
- 2023-04-25
- Certified
- 2023-04-25
Frequently asked questions
- What is John Marker's NPI number?
- John Marker's National Provider Identifier (NPI) is 1629267786, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Marker's specialty?
- John Marker is listed in the NPPES registry with a primary specialty of Mental Health Counselor (Behavioral Health & Social Service Providers).
- Where is John Marker located?
- John Marker's practice location on file with NPPES is 435 E Main St Ste 200, Greenwood, IN 46143-1457.
- What is John Marker's phone number?
- The practice phone number listed in the NPPES registry for John Marker is (317) 743-8202.
- Is John Marker's NPI active?
- Yes — John Marker's NPI (1629267786) is active in the NPPES registry as of the last update on 2023-04-25.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.