Mary Griffis-Parrish, APRN
NPI 1053353417 · Psychiatric/Mental Health Nurse Practitioner · Nashville, TN
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mary Griffis-Parrish, APRN is a Psychiatric/Mental Health Nurse Practitioner provider in Nashville, TN (NPI 1053353417).
Provider details
- NPI number
- 1053353417
- Entity type
- Individual
- Primary specialty
- Psychiatric/Mental Health Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- APRN
- Sex
- Female
- License
- APN6744 (TN)
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 tenure28% of score
20 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
107 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) |
|---|---|---|
| Psychotherapy With Evaluation and Management Visit, 45 Minutes90836 | 54 | $72 |
| Established Patient Office Or Other Outpatient Visit With Straightforward Medical Decision Making, If Using Time, 10 Minutes Or More99212 | 53 | $42 |
Typical Medicare-allowed amounts for these services range $42–$72 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 32 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Trazodone Hcl | 126 | 15 |
| Diazepam | 111 | 11 |
| Escitalopram Oxalate | 102 | 13 |
| Quetiapine Fumarate | 100 | 11 |
| Risperidone | 69 | — |
| Sertraline Hcl | 56 | — |
| Aripiprazole | 54 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-06-11
- Last updated
- 2007-07-08
Frequently asked questions
- What is Mary Griffis-Parrish's NPI number?
- Mary Griffis-Parrish's National Provider Identifier (NPI) is 1053353417, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mary Griffis-Parrish's specialty?
- Mary Griffis-Parrish is listed in the NPPES registry with a primary specialty of Psychiatric/Mental Health Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Mary Griffis-Parrish located?
- Mary Griffis-Parrish's practice location on file with NPPES is 2021 Church St, Nashville, TN 37203-2021.
- What is Mary Griffis-Parrish's phone number?
- The practice phone number listed in the NPPES registry for Mary Griffis-Parrish is (615) 385-4090.
- Does Mary Griffis-Parrish accept Medicare?
- Mary Griffis-Parrish is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mary Griffis-Parrish's NPI active?
- Yes — Mary Griffis-Parrish's NPI (1053353417) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.