Doctor profile · Federal record

Dr. Caitlyn Gallagher, MD

Internal Medicine Physician (CMS: Hospitalist) · Internal Medicine Physician · Internal Medicine Physician · Charleston, SC

  • NPI 1629607528
  • Accepts Medicare
  • 6 yrs in practice
  • Licensed in 2 states
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
135 Rutledge Ave # 591
Charleston, SC 294250001
(843) 792-7313

Credentials & registration

NPPES · NUCC
NPI registered
April 2020 — 6 yrs on file
Profile last updated
August 3, 2025
Year of graduation
2020 — 6 yrs since
Specialty taxonomy
207R00000X — NUCC code
State licenses (3)
South Carolina #MD90631 · Minnesota #30836 · Minnesota #69578

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1629607528. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
186
Distinct HCPCS
5
Medicare allowed
$15,733
HCPCS Description Services Patients Avg allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 81 44 $77
99239 Hospital discharge day management, more than 30 minutes 39 37 $110
99231 Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 37 21 $48
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 18 14 $115
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 11 11 $126

In context: peer comparison

Among 74 peers in this city , average services per provider: 177. This provider delivers 1.1× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
86
Patients
23
Total drug cost
$898
Drug Type Claims Patients Total cost
Pantoprazole Sodium Generic 17 11 $231
Amlodipine Besylate Generic 15 0 $165
Atorvastatin Calcium Generic 15 0 $211
Clonidine Hcl Generic 15 0 $165
Omeprazole Generic 12 0 $81
Oxycodone Hcl Generic 12 12 $45

Frequently asked questions

Auto-generated from federal data
What is Dr. Caitlyn Gallagher's medical specialty?
Dr. Caitlyn Gallagher practices Internal Medicine Physician in Charleston, SC.
Where does Dr. Caitlyn Gallagher practice?
Dr. Caitlyn Gallagher practices at 135 Rutledge Ave # 591, Charleston, SC 294250001. Office phone: 8437927313.
What is Dr. Caitlyn Gallagher's NPI?
Dr. Caitlyn Gallagher's National Provider Identifier (NPI) is 1629607528, issued by NPPES.
Does Dr. Caitlyn Gallagher accept Medicare assignment?
Yes. Dr. Caitlyn Gallagher accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Caitlyn Gallagher commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Hospital discharge day management (HCPCS 99239); Subsequent hospital care with straightforward or low level of medical decision making (HCPCS 99231). Source: CMS Medicare Physician & Other Practitioners file.