Michael Merrill, PHD, LCPC
NPI 1629146386 · Psychologist · Chicago, IL
Michael Merrill, PHD, LCPC is a Psychologist provider in Chicago, IL (NPI 1629146386).
Provider details
- NPI number
- 1629146386
- Entity type
- Individual
- Primary specialty
- PsychologistBehavioral Health & Social Service Providers
- Credential
- PHD, LCPC
- Sex
- Male
- Sole proprietor
- Yes
Specialties & taxonomies
Behavioral Health & Social Service Providers
- Cognitive & Behavioral Psychologist103TB0200X
Behavioral Health & Social Service Providers
- Health Psychologist103TH0004X
Behavioral Health & Social Service Providers
- Professional Counselor101YP2500X
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
83% 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
- 2006-12-01
- Last updated
- 2007-12-04
Frequently asked questions
- What is Michael Merrill's NPI number?
- Michael Merrill's National Provider Identifier (NPI) is 1629146386, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Michael Merrill's specialty?
- Michael Merrill is listed in the NPPES registry with a primary specialty of Psychologist (Behavioral Health & Social Service Providers).
- Where is Michael Merrill located?
- Michael Merrill's practice location on file with NPPES is 1 E Delaware Pl, Chicago, IL 60611-4962.
- What is Michael Merrill's phone number?
- The practice phone number listed in the NPPES registry for Michael Merrill is (312) 944-6425.
- Is Michael Merrill's NPI active?
- Yes — Michael Merrill's NPI (1629146386) is active in the NPPES registry as of the last update on 2007-12-04.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.