April John Tambaoan Mercado , NP
Nurse Practitioner • Frederick, MD
Professional Overview & Biography Verified Profile Summary
April John Mercado, NP is a certified Nurse Practitioner practicing in Frederick, MD. With approximately 5 years of clinical experience since completing medical education in 2021, April John Mercado delivers high-quality medical care to the local community at 1562 OPOSSUMTOWN PIKE.
April John Mercado is affiliated with Washington Nephrology Associates Llp and accepts Medicare assignment.
Practice Location & Contact Primary Location
1562 Opossumtown Pike
Frederick, MD 217024337
Medicare Profile & Education
Other
2021
✓ Accepts Assignment
In-Person Only
Specialty Benchmarks & Practice Insights
Comparative analytics for Nurse Practitioner in Frederick, MD
Practicing in Frederick, MD (1277 Statewide)
In-Person Office Visits Only
Under CMS Medicare Fee Schedule vs Standard Submitted Charges
Clinical Seniority & Experience Comparison
Medical Specialties & State Licenses
CMS Verified: 2026-07-14NUCC Taxonomy Code: 363L00000X
(1) A registered nurse provider with a graduate degree in nursing prepared for advanced practice involving independent and interdependent decision making and direct accountability for clinical judgment across the health care continuum or in a certified specialty. (2) A registered nurse who has completed additional training beyond basic nursing education and who provides primary health care services in accordance with state nurse practice laws or statutes. Tasks performed by nurse practitioners vary with practice requirements mandated by geographic, political, economic, and social factors. Nurse practitioner specialists include, but are not limited to, family nurse practitioners, gerontological nurse practitioners, pediatric nurse practitioners, obstetric-gynecologic nurse practitioners, and school nurse practitioners.
Hospital & Practice Group Affiliations
Washington Nephrology Associates Llp
4141 A Duke St, Alexandria, VA 223042415
Phone: 7034613556
Practice Associates & Co-Workers
Healthcare professionals and specialists practicing at this location or sharing practice phone/fax
Nurse Practitioner
Nurse Practitioner
Physician Assistant
Physician Assistant
Orthopaedic Surgery
Doctor of Medicine (M.D.)
Nurse Practitioner - Family
Master of Science in Nursing, Certified Registered Nurse Practitioner, Family Nurse Practitioner (Board Certified), F
Nurse Practitioner
Master of Science in Nursing, ED, Family Nurse Practitioner (Certified)
Nurse Practitioner - Family
Certified Registered Nurse Practitioner
Career & Practice History Timeline
Chronological log of verified NPI updates, location relocations, credentials, and registry changes
Registered at 1562 OPOSSUMTOWN PIKE, FREDERICK, MD 217024337 (Tel: 2402156310)
Registered at 1 FREDERICK HEALTH WAY, FREDERICK, MD 217019435
Registered at 116 DEFENSE HWY STE 202, ANNAPOLIS, MD 214017045 (Tel: 4102240270)
Registered at 1201 SEVEN LOCKS RD STE 200A, ROCKVILLE, MD 208542931 (Tel: 3019073939)
NPI status registered as active in NPPES database
Registered at 7115 GUILFORD DR STE 204, FREDERICK, MD 217045236 (Tel: 3016639570)
Registered at 7115 GUILFORD DR STE 204, FREDERICK, MD 217045236 (Tel: 3016639570)
Recorded as APRIL JOHN MERCADO, NP
Nurse Practitioner (License #R213903 in MD)
First registered as active Individual Practitioner in NPPES Database.
Patient & Community Reviews
Verified patient ratings, medical care experiences, and facility photos
Sign in to leave a review for April John Mercado
Only verified registered users can submit ratings, post feedback, and upload facility photos.
NPI Administrative Meta
Mailing Address
1 Frederick Health Way
Frederick, MD 217019435
This directory listing is for informational purposes only and does not constitute medical advice, diagnosis, or physician endorsement. If you are experiencing a medical emergency, please call 911 immediately.