Grisham Associates Ltd
NPI 1639295405 · Psychologist · Woodstock, GA
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Grisham Associates Ltd is a Psychologist organization in Woodstock, GA (NPI 1639295405).
Provider details
- NPI number
- 1639295405
- Entity type
- Organization
- Primary specialty
- PsychologistBehavioral Health & Social Service Providers
- Organization subpart
- No
- Authorized official
- Milton Grisham, Psychologist(770) 924-1818
- License
- 1336 (GA)
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
19 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
- 2007-03-22
- Last updated
- 2020-08-22
Frequently asked questions
- What is Grisham Associates Ltd's NPI number?
- Grisham Associates Ltd's National Provider Identifier (NPI) is 1639295405, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Grisham Associates Ltd?
- Grisham Associates Ltd is classified in the NPPES registry as Psychologist (Behavioral Health & Social Service Providers).
- Where is Grisham Associates Ltd located?
- Grisham Associates Ltd's practice location on file with NPPES is 8910 Main St, Woodstock, GA 30188-4916.
- What is Grisham Associates Ltd's phone number?
- The practice phone number listed in the NPPES registry for Grisham Associates Ltd is (770) 924-1818.
- Does Grisham Associates Ltd accept Medicare?
- Grisham Associates Ltd is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Who is the authorized official for Grisham Associates Ltd?
- The authorized official listed on Grisham Associates Ltd's NPPES record is Milton Grisham, Psychologist. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Grisham Associates Ltd's NPI active?
- Yes — Grisham Associates Ltd's NPI (1639295405) is active in the NPPES registry as of the last update on 2020-08-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.