Michelle Grigsby, PH.D.
NPI 1851554729 · Clinical Psychologist · San Antonio, TX
Enrolled with Medicare as Practitioner - Psychologist Billing Independently · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Michelle Grigsby, PH.D. is a Clinical Psychologist provider in San Antonio, TX (NPI 1851554729).
Provider details
- NPI number
- 1851554729
- Entity type
- Individual
- Primary specialty
- Clinical PsychologistBehavioral Health & Social Service Providers
- Credential
- PH.D.
- Sex
- Female
- Sole proprietor
- Yes
- License
- 34762 (TX)
Specialties & taxonomies
Behavioral Health & Social Service Providers
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
17 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
- 2008-07-09
- Last updated
- 2021-11-18
- Certified
- 2021-11-18
Frequently asked questions
- What is Michelle Grigsby's NPI number?
- Michelle Grigsby's National Provider Identifier (NPI) is 1851554729, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Michelle Grigsby's specialty?
- Michelle Grigsby is listed in the NPPES registry with a primary specialty of Clinical Psychologist (Behavioral Health & Social Service Providers).
- Where is Michelle Grigsby located?
- Michelle Grigsby's practice location on file with NPPES is 16170 Jones Maltsberger Rd Ste 202, San Antonio, TX 78247-3204.
- What is Michelle Grigsby's phone number?
- The practice phone number listed in the NPPES registry for Michelle Grigsby is (210) 683-5975.
- Does Michelle Grigsby accept Medicare?
- Michelle Grigsby is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Michelle Grigsby's NPI active?
- Yes — Michelle Grigsby's NPI (1851554729) is active in the NPPES registry as of the last update on 2021-11-18.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.