Gwendolyn Merchant, CRNP-PMH
NPI 1578844601 · Psychiatric/Mental Health Nurse Practitioner · Crofton, MD
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Gwendolyn Merchant, CRNP-PMH is a Psychiatric/Mental Health Nurse Practitioner provider in Crofton, MD (NPI 1578844601).
Provider details
- NPI number
- 1578844601
- Entity type
- Individual
- Primary specialty
- Psychiatric/Mental Health Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- CRNP-PMH
- Sex
- Female
- Sole proprietor
- No
- License
- RN578488 (PA)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Nursing Service Providers
Physician Assistants & Advanced Practice Nursing Providers
Physician Assistants & Advanced Practice Nursing Providers
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
14 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
2 documented practice locations
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
Additional practice locations (1)
- 4607 Library Road Suite 220#419Bethel Park, PA 15102Phone: (800) 525-9202
Registry dates
- Enumerated
- 2011-09-02
- Last updated
- 2025-03-12
- Certified
- 2025-03-12
Frequently asked questions
- What is Gwendolyn Merchant's NPI number?
- Gwendolyn Merchant's National Provider Identifier (NPI) is 1578844601, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gwendolyn Merchant's specialty?
- Gwendolyn Merchant is listed in the NPPES registry with a primary specialty of Psychiatric/Mental Health Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Gwendolyn Merchant located?
- Gwendolyn Merchant's practice location on file with NPPES is 1662 Village Grn Ste 100, Crofton, MD 21114-2014.
- What is Gwendolyn Merchant's phone number?
- The practice phone number listed in the NPPES registry for Gwendolyn Merchant is (410) 757-2077.
- Does Gwendolyn Merchant accept Medicare?
- Gwendolyn Merchant is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Gwendolyn Merchant's NPI active?
- Yes — Gwendolyn Merchant's NPI (1578844601) is active in the NPPES registry as of the last update on 2025-03-12.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.