Active NPI 1003841339 Individual Practitioner Female Practitioner

Marcia L Johnston , APRN, FNP-BC

Nurse Practitioner • Memphis, TN

Professional Overview & Biography Verified Profile Summary

Marcia Johnston, APRN, FNP-BC is a registered healthcare professional specializing in Nurse Practitioner in Memphis, TN. Practice services are available at 6401 POPLAR AVE STE 300 under active NPI credentials.

Frequently performed procedures and clinical services include injection of incremental dosages of allergen, established patient outpatient office visit, test to measure expiratory airflow and volume. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

6401 Poplar Ave Ste 300

Memphis, TN 381194810

Telephone 9017516100

Fax 8556567325

Associated Practice Facility / Clinic

🏢 Allergy Asthma Immunology Center, Pllc Facility NPI 1417442757

Specialty Benchmarks & Practice Insights

Comparative analytics for Nurse Practitioner in Memphis, TN

Active Practitioner

Practitioner Clinical Experience

Active

City Avg: 10.6 Yrs

State Avg: 12.4 Yrs

Regional Practice Density

199 Specialists

Practicing in Memphis, TN (2343 Statewide)

Telehealth Adoption Rate

4.5% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount

51.5% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Performed Procedures & Service Volume

Top Medicare Part B procedures performed by this practitioner

CMS Official Data (2020)

Reporting Year:

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
95115 Injection of incremental dosages of allergen	91	57	$15.00	$6.95
99213 Established patient office or other outpatient visit, typically 15 minutes	73	68	$94.32	$59.59
94010 Test to measure expiratory airflow and volume	53	51	$75.00	$27.53
96160 Administration and interpretation of patient-focused health risk assessment	51	50	$20.00	$1.91
85048 Automated white blood cell count	35	34	$4.00	$2.49
85004 White blood cell count	35	34	$8.00	$6.34

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
95004 Test for allergy using allergenic extract	501	12	$7.95	$3.18
99213 Established patient office or other outpatient visit, typically 15 minutes	302	221	$113.15	$58.69
85004 White blood cell count	215	151	$22.94	$7.01
85048 Automated white blood cell count	214	151	$12.90	$2.75
94010 Test to measure expiratory airflow and volume	189	147	$73.44	$27.49
95115 Injection of incremental dosages of allergen	84	50	$16.14	$6.87
94060 Test to measure expiratory airflow and volume changes before and after medication administration	63	53	$116.60	$45.79
96160 Administration and interpretation of patient-focused health risk assessment	45	43	$20.00	$2.44
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	19	19	$80.53	$34.98
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	19	19	$180.26	$85.69
G0008 Administration of influenza virus vaccine	14	14	$20.00	$15.42
90688 Vaccine for influenza for administration into muscle, 0.5 ml dosage	12	12	$35.00	$17.48

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	80	76	$131.43	$55.39
85004 White blood cell count	49	47	$35.00	$7.66
85048 Automated white blood cell count	49	47	$20.00	$3.01
94010 Test to measure expiratory airflow and volume	47	46	$72.00	$25.89
94060 Test to measure expiratory airflow and volume changes before and after medication administration	22	22	$118.00	$45.68
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	12	12	$200.00	$82.25

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	86	78	$113.00	$56.46
94010 Test to measure expiratory airflow and volume	47	44	$72.00	$26.86
85048 Automated white blood cell count	40	36	$20.00	$3.41
85004 White blood cell count	40	36	$35.00	$8.69
94060 Test to measure expiratory airflow and volume changes before and after medication administration	24	23	$118.00	$45.82

Medical Specialties & State Licenses

Nurse Practitioner Primary Specialty

NUCC Taxonomy Code: 363L00000X

State License TN 5648

(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.

Practice Associates & Co-Workers

Healthcare professionals and specialists practicing at this location or sharing practice phone/fax

40 Associated Practitioners

Dr. Eddie Shields , MD

Allergy & Immunology

NPI 1003896630

Doctor of Medicine (M.D.)

Dr. Hiresadarahalli Nataraj , MD

Allergy & Immunology

NPI 1003993098

Doctor of Medicine (M.D.)

Dr. Amy Ragsdale , DO

Allergy & Immunology

NPI 1023462868

Doctor of Osteopathic Medicine (D.O.)

Laurel Pszcolka , CRNP

Nurse Practitioner

NPI 1023632064

Certified Registered Nurse Practitioner

Heather Hammack , APRN, FNP-C

Nurse Practitioner

NPI 1043876691

Advanced Practice Registered Nurse, Family Nurse Practitioner (Certified)

Dr. Kelsey Coyle , MD

Allergy & Immunology

NPI 1083077002

Doctor of Medicine (M.D.)

Career & Practice History Timeline

Chronological log of verified NPI updates, location relocations, credentials, and registry changes

10 Historical Events

📍

Updated Business Mailing Address July 23, 2019

Registered at 9800 SHELBYVILLE RD STE 220, LOUISVILLE, KY 402232992 (Tel: 5024298585)

👤

Provider Name / Credentials Updated July 23, 2019

Recorded as MARCIA JOHNSTON, APRN, FNP-BC

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) July 23, 2019

Nurse Practitioner (License #5648 in TN)

📍

Updated Practice Location September 10, 2018

Registered at 6401 POPLAR AVE STE 300, MEMPHIS, TN 381194810 (Tel: 9017516100)

✅

NPI Profile Active July 08, 2007

NPI status registered as active in NPPES database

📍

Updated Practice Location July 08, 2007

Registered at 7205 WOLF RIVER BLVD, SUITE 200, GERMANTOWN, TN 381381746 (Tel: 9017576100)

📍

Updated Business Mailing Address July 08, 2007

Registered at 7205 WOLF RIVER BLVD, SUITE 200, GERMANTOWN, TN 381381746 (Tel: 9017576100)

👤

Provider Name / Credentials Updated July 08, 2007

Recorded as MARCIA JOHNSTON, APRN,BC

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) July 08, 2007

Allergy & Immunology (License #APN5648 in TN)

🟢

Initial NPI Registration & Enumeration July 12, 2006

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

NPI Number: 1003841339

Entity Type:

Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)

Enumeration Date: July 12, 2006

Last Update: July 23, 2019

Sole Proprietor: No

Update or Correct Profile

Mailing Address

9800 Shelbyville Rd Ste 220

Louisville, KY 402232992

Phone: 5024298585

Public Domain Record This profile contains public domain information published by CMS and NPPES under the Freedom of Information Act (FOIA).

⚠️ Medical Disclaimer

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.