John Griffis, PMHNP
NPI 1790497345 · Psychiatric/Mental Health Nurse Practitioner · Charlottesville, VA
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
John Griffis, PMHNP is a Psychiatric/Mental Health Nurse Practitioner provider in Charlottesville, VA (NPI 1790497345).
Provider details
- NPI number
- 1790497345
- Entity type
- Individual
- Primary specialty
- Psychiatric/Mental Health Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PMHNP
- Sex
- Male
- Sole proprietor
- No
- License
- 0024186061 (VA)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
3 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.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 39 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Olanzapine | 100 | 18 |
| Sertraline Hcl | 97 | 16 |
| Risperidone | 90 | 12 |
| Haloperidol Decanoate | 76 | — |
| Trazodone Hcl | 75 | 12 |
| Quetiapine Fumarate | 73 | 19 |
| Benztropine Mesylate | 69 | 13 |
| Buspirone Hcl |
Practice location
Mailing address
Registry dates
- Enumerated
- 2022-12-14
- Last updated
- 2022-12-14
- Certified
- 2022-12-14
Frequently asked questions
- What is John Griffis's NPI number?
- John Griffis's National Provider Identifier (NPI) is 1790497345, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Griffis's specialty?
- John Griffis is listed in the NPPES registry with a primary specialty of Psychiatric/Mental Health Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is John Griffis located?
- John Griffis's practice location on file with NPPES is 1215 Lee St, Charlottesville, VA 22908-0816.
- What is John Griffis's phone number?
- The practice phone number listed in the NPPES registry for John Griffis is (434) 924-5569.
- Does John Griffis accept Medicare?
- John Griffis is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is John Griffis's NPI active?
- Yes — John Griffis's NPI (1790497345) is active in the NPPES registry as of the last update on 2022-12-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.