Doctor profile · Federal record

Dr. Joanna Harkness, AGACNP-BC

Acute Care Nurse Practitioner (CMS: Nurse Practitioner) · Gainesville, GA

  • NPI 1023561131
  • Accepts Medicare
  • MIPS 82.6 / 100 · 2023
  • 17 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
2324 Limestone Overlook
Gainesville, GA 305017443
(770) 536-8109
fax (770) 536-3203

Credentials & registration

NPPES · NUCC
NPI registered
July 2016 — 10 yrs on file
Profile last updated
January 7, 2021
Year of graduation
2009 — 17 yrs since
Specialty taxonomy
363LA2100X — NUCC code
State license (1)
Georgia #RN203608

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1023561131. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
565
Distinct HCPCS
7
Medicare allowed
$51,152
HCPCS Description Services Patients Avg allowed
99213 Established patient office or other outpatient visit, 20-29 minutes 231 189 $73
99214 Established patient office or other outpatient visit, 30-39 minutes 194 176 $103
99204 New patient office or other outpatient visit, 45-59 minutes 44 44 $132
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 31 26 $98
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 30 25 $65
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 22 22 $108
99203 New patient office or other outpatient visit, 30-44 minutes 13 13 $91

In context: peer comparison

Among 25 peers in Gainesville Acute Care Nurse Practitioner, average services per provider: 124. This provider delivers 4.6× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$988
Transactions
27
Manufacturers
7
Payer (manufacturer) Industry Txns Amount
Ardelyx, INC. 10 $404.30
Abbvie INC. 11 $356.63
Genzyme Corporation 1 $132.60
Aimmune Therapeutics, INC. 2 $30.36
Regeneron Healthcare Solutions, INC. 1 $24.70
Ironwood Pharmaceuticals, INC 1 $20.36
Pfizer INC. 1 $19.04

By nature of payment

Food and Beverage
$988

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,429
Patients
700
Total drug cost
$99,962
Drug Type Claims Patients Total cost
Pantoprazole Sodium Generic 293 79 $3,718
Omeprazole Generic 264 72 $2,595
Ondansetron Odt (Ondansetron) Brand 244 231 $1,991
Sutab (Sod Sulf/Pot Chloride/Mag Sulf) Brand 113 113 $19,213
Famotidine Generic 90 27 $1,898
Dicyclomine Hcl Generic 72 32 $2,257
Cholestyramine (Cholestyramine (With Sugar)) Brand 54 20 $4,415
Linzess (Linaclotide) Brand 54 19 $38,297
Suprep (Sodium, Potassium,Mag Sulfates) Brand 49 49 $5,952
Colesevelam Hcl Generic 43 15 $7,991

Frequently asked questions

Auto-generated from federal data
What is Dr. Joanna Harkness's medical specialty?
Dr. Joanna Harkness practices Acute Care Nurse Practitioner in Gainesville, GA.
Where does Dr. Joanna Harkness practice?
Dr. Joanna Harkness practices at 2324 Limestone Overlook, Gainesville, GA 305017443. Office phone: 7705368109.
What is Dr. Joanna Harkness's NPI?
Dr. Joanna Harkness's National Provider Identifier (NPI) is 1023561131, issued by NPPES.
Does Dr. Joanna Harkness accept Medicare assignment?
Yes. Dr. Joanna Harkness accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Joanna Harkness commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Established patient office or other outpatient visit (HCPCS 99214); New patient office or other outpatient visit (HCPCS 99204). Source: CMS Medicare Physician & Other Practitioners file.