Gretchen Key, PMHNP-BC
NPI 1366203879 · Psychiatric/Mental Health Nurse Practitioner · Phoenixville, PA
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Gretchen Key, PMHNP-BC is a Psychiatric/Mental Health Nurse Practitioner provider in Phoenixville, PA (NPI 1366203879).
Provider details
- NPI number
- 1366203879
- Entity type
- Individual
- Primary specialty
- Psychiatric/Mental Health Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PMHNP-BC
- Sex
- Female
- Sole proprietor
- No
- License
- SP028985 (PA)
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 tenure33% of score
2 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
1 documented practice location
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
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 · 12 distinct drugs on file.
| Drug | Part D claims (2024) |
|---|---|
| Quetiapine Fumarate | 49 |
| Aripiprazole | 26 |
| Lamotrigine | 26 |
| Duloxetine Hcl | 24 |
| Buspirone Hcl | 23 |
| Trazodone Hcl | 23 |
| Prazosin Hcl | 19 |
| Sertraline Hcl | 19 |
| Desvenlafaxine Succinatebrand: Desvenlafaxine Succinate Er | 17 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$601 across 22 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2024-01-22
- Last updated
- 2024-01-26
- Certified
- 2024-01-26
Frequently asked questions
- What is Gretchen Key's NPI number?
- Gretchen Key's National Provider Identifier (NPI) is 1366203879, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gretchen Key's specialty?
- Gretchen Key is listed in the NPPES registry with a primary specialty of Psychiatric/Mental Health Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Gretchen Key located?
- Gretchen Key's practice location on file with NPPES is 1041 W Bridge St Ste 5, Phoenixville, PA 19460-4342.
- What is Gretchen Key's phone number?
- The practice phone number listed in the NPPES registry for Gretchen Key is (610) 415-9015.
- Does Gretchen Key accept Medicare?
- Gretchen Key is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Gretchen Key's NPI active?
- Yes — Gretchen Key's NPI (1366203879) is active in the NPPES registry as of the last update on 2024-01-26.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.