Andrea Myers-Griffin
NPI 1588321939 · Psychiatric/Mental Health Nurse Practitioner · Wharton, TX
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Andrea Myers-Griffin is a Psychiatric/Mental Health Nurse Practitioner provider in Wharton, TX (NPI 1588321939).
Provider details
- NPI number
- 1588321939
- Entity type
- Individual
- Primary specialty
- Psychiatric/Mental Health Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Sex
- Female
- Sole proprietor
- Yes
- License
- 753351 (TX)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Nursing Service Providers
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
4 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
3,480 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. 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.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Subsequent Nursing Facility Care With Moderate Level of Medical Decision Making, Per Day, If Using Time, at Least 30 Minutes99309 | 1,927 | $87 |
| Subsequent Nursing Facility Care With Moderate Level of Medical Decision Making, Per Day, If Using Time, at Least 30 Minutes99309 | 749 | $87 |
| Subsequent Nursing Facility Care With Straightforward Level of Medical Decision Making, Per Day, If Using Time, 20 Minutes Or More99308 | 540 | $60 |
| Subsequent Nursing Facility Care With Straightforward Level of Medical Decision Making, Per Day, If Using Time, 20 Minutes Or More99308 | 193 | $60 |
| Initial Nursing Facility Care With Moderate Level of Medical Decision Making, Per Day, If Using Time, at Least 35 Minutes99305 | 29 | $108 |
| Initial Nursing Facility Care With Moderate Level of Medical Decision Making, Per Day, If Using Time, at Least 35 Minutes |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 15 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Escitalopram Oxalate | 203 | 49 |
| Divalproex Sodium | 185 | 57 |
| Lorazepam | 144 | 46 |
| Donepezil Hcl | 129 | 38 |
| Clonazepam | 120 | 14 |
| Memantine Hcl | 72 | 31 |
| Quetiapine Fumarate | 26 | — |
Practice location
Mailing address
Registry dates
- Enumerated
- 2021-11-19
- Last updated
- 2023-01-18
- Certified
- 2023-01-18
Frequently asked questions
- What is Andrea Myers-Griffin's NPI number?
- Andrea Myers-Griffin's National Provider Identifier (NPI) is 1588321939, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Andrea Myers-Griffin's specialty?
- Andrea Myers-Griffin is listed in the NPPES registry with a primary specialty of Psychiatric/Mental Health Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Andrea Myers-Griffin located?
- Andrea Myers-Griffin's practice location on file with NPPES is 6818 W Fm 1161 Rd, Wharton, TX 77488-9749.
- What is Andrea Myers-Griffin's phone number?
- The practice phone number listed in the NPPES registry for Andrea Myers-Griffin is (979) 533-4538.
- Does Andrea Myers-Griffin accept Medicare?
- Andrea Myers-Griffin is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Andrea Myers-Griffin's NPI active?
- Yes — Andrea Myers-Griffin's NPI (1588321939) is active in the NPPES registry as of the last update on 2023-01-18.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.