Ji Sun Mok, DO
Internal Medicine Physician · Savannah, GA
Ji Sun Mok, DO is an internal medicine physician with a practice address in Savannah, Georgia, and NPI 1356924120, issued on Apr 29, 2021. Check the license (Georgia 101191, as entered in NPPES) on the Georgia Composite Medical Board; the Medicare figures below come from public CMS files.
- Name
- Ji Sun Mok
- Credential
- DO
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License numbers
- 101191 GA
0116035168 VA
Self-reported in NPPES; status is on the state search - Practice location
- 11705 Mercy Blvd, Savannah, GA 31419
- Phone
- (912) 819-4100
- Enumerated
- Apr 29, 2021
- Record last updated
- May 27, 2025
- Medicare enrollment
- Enrolled (PECOS I20241202001002); accepts Medicare assignment
- Medical or professional school
- Liberty Univ College Of Osteopathic Medicine, 2021
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 3,911 in Georgia → Look up another NPI →
Also registered at 11705 Mercy Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- James CoonCertified Registered Nurse Anesthetist1295421584
- Amanda Cornwell, PAAAnesthesiologist Assistant1225212186
- Sabrina Croft, PHARMDCritical Care Pharmacist1396546511
- Richard Dodd, MDAnesthesiology Physician1558370270
Verify Ji Sun Mok in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersGeorgia Composite Medical Board
Search for license 101191Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
95% fewer Medicare Part D claims than the average internal medicine physician in 2024
172 Medicare Part D claims for 66 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims.
Most prescribed
- Sertraline Hcl19 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
- Chatham Hosptialists, LLCSavannah, GA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Ji Sun Mok among 3,911 internal medicine physician records in Georgia
Ji Sun Mok, DO is one of 3,911 internal medicine physician records with a practice address in Georgia. 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 2021, is newer than 86% of them.
- NPI issued2021 · 86% of these records are older, 10% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 65% of these records are
- Graduated2021 · median 2005 among the 2,535 with a school on file
- Record last updated2025 · 51% 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 Georgia practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
147 internal medicine physician records list a practice address in Savannah
They are 147 of the 5,692 NPPES records with a practice address in Savannah, and 3,911 internal medicine physician records in Georgia.
All 3,911 in Georgia → Every provider in Savannah → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- John Demicco, M.D.Savannah, GA 314191285632125
- Fred Potts, M.D.Savannah, GA 314191225138456
- Jose Rendon-Garcia, MDSavannah, GA 314191083650972
- Shonna McGee, MDSavannah, GA 314111245425149
- Elizabeth Neufeld, MDSavannah, GA 314111114245529
- Richard Barrett, M.D.Savannah, GA 314101538194634
- Lisa Bozik, MDSavannah, GA 314101831206382
- Thomas Falace, MDSavannah, GA 314101326539131
Common questions
What is Ji Sun Mok, DO's NPI number?
Ji Sun Mok, DO's National Provider Identifier (NPI) is 1356924120, issued on Apr 29, 2021. An NPI identifies a provider in billing; it is not a license.
Where is Ji Sun Mok, DO located?
The NPPES record lists a practice address at 11705 Mercy Blvd, Savannah, GA, 31419. Phone: (912) 819-4100. Providers update this record themselves, so call before visiting.
How can I verify Ji Sun Mok, DO's license?
NPPES lists Georgia license number 101191, as entered by the provider. Search the Georgia Composite Medical Board at https://medicalboard.georgia.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Ji Sun Mok, DO prescribe under Medicare Part D?
In 2024, Ji Sun Mok, DO had 172 Medicare Part D claims for 66 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.