Doctor profile · Federal record

Dr. Leahanne Giffin, MD

Internal Medicine Physician (CMS: Internal Medicine) · Chattanooga, TN

  • NPI 1386273548
  • Accepts Medicare
  • 6 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
975 E 3Rd St # B601
Chattanooga, TN 374032173
(423) 778-8179

Credentials & registration

NPPES · NUCC
NPI registered
April 2020 — 6 yrs on file
Profile last updated
September 11, 2023
Year of graduation
2020 — 6 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
Tennessee #67944

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1386273548. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
121
Distinct HCPCS
6
Medicare allowed
$9,989
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 41 37 $107
99213 Established patient office or other outpatient visit, 20-29 minutes 21 20 $77
99215 Established patient office or other outpatient visit, 40-54 minutes 17 17 $138
90694 Influenza vaccine, quadrivalent inactivated, 0.5 ml dosage 15 15 $76
G0008 Administration of influenza virus vaccine 14 14 $28
83036 Hemoglobin a1c level 13 13 $10

In context: peer comparison

Among 67 peers in Chattanooga Internal Medicine Physician, average services per provider: 133. This provider delivers 0.9× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
458
Patients
213
Total drug cost
$36,243
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 67 37 $1,137
Omeprazole Generic 50 21 $699
Amlodipine Besylate Generic 47 25 $347
Losartan Potassium Generic 39 20 $573
Gabapentin Generic 37 20 $670
Lisinopril Generic 32 18 $449
Nifedipine ER (Nifedipine) Brand 26 0 $1,255
Rosuvastatin Calcium Generic 26 15 $430
Carvedilol Generic 24 16 $401
Levothyroxine Sodium Generic 24 19 $377

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Leahanne Giffin's medical specialty?
Dr. Leahanne Giffin practices Internal Medicine Physician in Chattanooga, TN.
Where does Dr. Leahanne Giffin practice?
Dr. Leahanne Giffin practices at 975 E 3Rd St # B601, Chattanooga, TN 374032173. Office phone: 4237788179.
What is Dr. Leahanne Giffin's NPI?
Dr. Leahanne Giffin's National Provider Identifier (NPI) is 1386273548, issued by NPPES.
Does Dr. Leahanne Giffin accept Medicare assignment?
Yes. Dr. Leahanne Giffin accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Leahanne Giffin commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99213); Established patient office or other outpatient visit (HCPCS 99215). Source: CMS Medicare Physician & Other Practitioners file.