Ada Allen , CFNP
Nurse Practitioner • Gretna, VA
Professional Overview & Biography Verified Profile Summary
Ada Allen, CFNP is a certified Nurse Practitioner practicing in Gretna, VA. With approximately 25 years of clinical experience since completing medical education in 2001, Ada Allen delivers high-quality medical care to the local community at 305 N MAIN ST.
Ada Allen is affiliated with Medstar Medical Group - Southern Maryland Llc and accepts Medicare assignment.
Frequently performed procedures and clinical services include established patient outpatient office visit, new patient outpatient office visit, automated urinalysis test. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.
Practice Location & Contact Primary Location
305 N Main St
Gretna, VA 245574176
Medicare Profile & Education
Other
2001
✓ Accepts Assignment
In-Person Only
Specialty Benchmarks & Practice Insights
Comparative analytics for Nurse Practitioner in Gretna, VA
Practicing in Gretna, VA (1750 Statewide)
In-Person Office Visits Only
Under CMS Medicare Fee Schedule vs Standard Submitted Charges
Clinical Seniority & Experience Comparison
Performed Procedures & Service Volume
Top Medicare Part B procedures performed by this practitioner
| HCPCS Code & Description | Services | Patients | Submitted Charge | Medicare Allowed |
|---|---|---|---|---|
|
99214
Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more
|
24 | 24 | $240.00 | $95.61 |
|
99203
New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more
|
18 | 18 | $240.00 | $92.06 |
Medical Specialties & State Licenses
CMS Verified: 2026-03-05NUCC 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.
NUCC Taxonomy Code: 363LF0000X
Definition to come...
NUCC Taxonomy Code: 363LF0000X
Definition to come...
NUCC 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.
NUCC Taxonomy Code: 363LF0000X
Definition to come...
NUCC Taxonomy Code: 363LF0000X
Definition to come...
Additional State Medicaid & Healthcare Payer Identifiers
Hospital & Practice Group Affiliations
Medstar Medical Group - Southern Maryland Llc
24035 Three Notch Rd, Hollywood, MD 206364871
Phone: 3013737900
Secondary Practice Locations
423 Fortress Blvd
Morgantown, WV 265081351
Phone: 3042252500
24035 Three Notch Rd
Hollywood, MD 206364871
Phone: 3013737900
Practice Associates & Co-Workers
Healthcare professionals and specialists practicing at this location or sharing practice phone/fax
Nurse Practitioner - Family
Family Nurse Practitioner
Nurse Practitioner
Family Nurse Practitioner
Nurse Practitioner - Family
Family Nurse Practitioner (Board Certified)
Nurse Practitioner - Family
Nurse Practitioner
Career & Practice History Timeline
Chronological log of verified NPI updates, location relocations, credentials, and registry changes
Nurse Practitioner (License #356522 in NY)
Nurse Practitioner (License #R127634 in MD)
NPI status registered as active in NPPES database
Registered at 305 N MAIN ST, GRETNA, VA 245574176 (Tel: 4346562224)
Registered at 305 N MAIN ST, GRETNA, VA 245574176 (Tel: 4346562224)
Recorded as ADA ALLEN, CFNP
Nurse Practitioner (License #0024166917 in VA)
First registered as active Individual Practitioner in NPPES Database.
Patient & Community Reviews
Verified patient ratings, medical care experiences, and facility photos
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NPI Administrative Meta
Mailing Address
305 N Main St
Gretna, VA 245574176
Phone: 4346562224
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