Caitlyn Nicole Gallagher, MD
Internal Medicine Physician · Charleston, SC
Caitlyn Nicole Gallagher, MD is an internal medicine physician with a practice address in Charleston, South Carolina, and NPI 1629607528, issued on Apr 3, 2020. Check the license (South Carolina MD90631, as entered in NPPES) on the South Carolina Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Caitlyn Nicole Gallagher
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License numbers
- MD90631 SC
30836 MN
69578 MN
Self-reported in NPPES; status is on the state search - Practice location
- 135 Rutledge Ave # 591, Charleston, SC 29425
- Phone
- (843) 792-7313
- Enumerated
- Apr 3, 2020
- Record last updated
- Aug 3, 2025
- Medicare enrollment
- Enrolled (PECOS I20230918004269); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 1,881 in South Carolina → Look up another NPI →
Verify Caitlyn Nicole Gallagher in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersSouth Carolina Board of Medical Examiners
Search for license MD90631Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
90% fewer Medicare Part D claims than the average internal medicine physician in 2024
320 Medicare Part D claims for 106 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. 25 claims were for opioids.
Most prescribed
- Oxycodone Hcl19 claims
- Pantoprazole Sodium14 claims
- Ciprofloxacin Hcl11 claims
- Metoprolol Tartrate11 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Bills Medicare through one group practice
- University Medical Associates OF The Medical University OF South CarolCharleston, SC
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Caitlyn Nicole Gallagher among 1,881 internal medicine physician records in South Carolina
Caitlyn Nicole Gallagher, MD is one of 1,881 internal medicine physician records with a practice address in South Carolina. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2020, is newer than 74% of them.
- NPI issued2020 · 74% of these records are older, 22% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 60% of these records are
- Graduated2020 · median 2006 among the 1,119 with a school on file
- Record last updated2025 · 46% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a South Carolina practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
427 internal medicine physician records list a practice address in Charleston
They are 427 of the 10,840 NPPES records with a practice address in Charleston, and 1,881 internal medicine physician records in South Carolina.
All 1,881 in South Carolina → Every provider in Charleston → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Sujeev Bains, MDCharleston, SC 294251609889989
- Elisha Brownfield, MDCharleston, SC 294251639287683
- Ernest Clyburn, MDCharleston, SC 294251235247271
- Kimberly Davis, MDCharleston, SC 294251366550311
- John Feussner, MDCharleston, SC 294251689782534
- Jennifer Goldstein, MDCharleston, SC 294251164472593
- Robert Ishak, M.D.Charleston, SC 294251295727790
- Brad Keith, MDCharleston, SC 294251578671442
Common questions
What is Caitlyn Nicole Gallagher, MD's NPI number?
Caitlyn Nicole Gallagher, MD's National Provider Identifier (NPI) is 1629607528, issued on Apr 3, 2020. An NPI identifies a provider in billing; it is not a license.
Where is Caitlyn Nicole Gallagher, MD located?
The NPPES record lists a practice address at 135 Rutledge Ave # 591, Charleston, SC, 29425. Phone: (843) 792-7313. Providers update this record themselves, so call before visiting.
How can I verify Caitlyn Nicole Gallagher, MD's license?
NPPES lists South Carolina license number MD90631, as entered by the provider. Search the South Carolina Board of Medical Examiners at https://verify.llronline.com/LicLookup/Med/Med.aspx?div=22. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Caitlyn Nicole Gallagher, MD prescribe under Medicare Part D?
In 2024, Caitlyn Nicole Gallagher, MD had 320 Medicare Part D claims for 106 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.