Zi Tan, MD
Endocrinology, Diabetes & Metabolism Physician · Charleston, SC
Zi Tan, MD is an endocrinology, diabetes & metabolism physician with a practice address in Charleston, South Carolina, and NPI 1063074102, issued on Jun 28, 2019. Check the license (South Carolina MD92562, as entered in NPPES) on the South Carolina Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Zi Tan
- Credential
- MD
- Primary taxonomy
- Endocrinology, Diabetes & Metabolism Physician 207RE0101X
- License numbers
- MD92562 SC
MD-49544 IA
Self-reported in NPPES; status is on the state search - Practice location
- 171 Ashley Ave, Charleston, SC 29425
- Phone
- (843) 792-1414
- Enumerated
- Jun 28, 2019
- Record last updated
- Aug 7, 2024
- Medicare enrollment
- Enrolled (PECOS I20240919003294); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest endocrinology, diabetes & metabolism physician records → All 109 in South Carolina → Look up another NPI →
Also registered at 171 Ashley Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Zi Tan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersSouth Carolina Board of Medical Examiners
Search for license MD92562Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
88% fewer Medicare Part D claims than the average endocrinology, diabetes & metabolism physician in 2024
326 Medicare Part D claims for 90 beneficiaries, against an average of 2,630 among the 8,223 providers of this specialty who prescribed in Part D. Brand-name drugs were 39% of claims.
Most prescribed
- Levothyroxine Sodium44 claims
- Hydrocortisone35 claims
- Mounjaro21 claims
- Ozempic16 claims
- Testosterone Cypionate16 claims
- Cabergoline12 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.
Industry payments in 2024: $123.45
1 payment: food and beverage; the largest payer was CeQur Corporation. The 5,661 providers of this specialty with any payment received $5,742.15 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
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).
Zi Tan among 109 endocrinology, diabetes & metabolism physician records in South Carolina
Zi Tan, MD is one of 109 endocrinology, diabetes & metabolism physician records with a practice address in South Carolina. 82% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2019, is newer than 83% of them.
- NPI issued2019 · 83% of these records are older, 7% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileYes · 66% of these records are
- Graduated2016 · median 2008 among the 72 with a school on file
- Record last updated2024 · 44% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RE0101X and a South Carolina practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Endocrinology, Diabetes & Metabolism Physician providers in South Carolina
There are 109 endocrinology, diabetes & metabolism physician records in South Carolina.
All 109 in South Carolina → Every provider in Charleston → Endocrinology, Diabetes & Metabolism Physician nationwide →
The 8 endocrinology, diabetes & metabolism physician records with the nearest ZIP codes
- Rashmi Dhakal, MDCharleston, SC 294251306266499
- Sarah Dolven, M.D.Charleston, SC 294251164430682
- Jyotika Fernandes, MDCharleston, SC 294251902914955
- Colleen Gavigan, MDCharleston, SC 294251467814590
- Katherine Hermayer, MDCharleston, SC 294251295843233
- Beatrice Hull, M.D.Charleston, SC 294251396832382
- Harsha KaranchiCharleston, SC 294251619128055
- Aundrea Loftley, M.D.Charleston, SC 294251326369893
Common questions
What is Zi Tan, MD's NPI number?
Zi Tan, MD's National Provider Identifier (NPI) is 1063074102, issued on Jun 28, 2019. An NPI identifies a provider in billing; it is not a license.
Where is Zi Tan, MD located?
The NPPES record lists a practice address at 171 Ashley Ave, Charleston, SC, 29425. Phone: (843) 792-1414. Providers update this record themselves, so call before visiting.
How can I verify Zi Tan, MD's license?
NPPES lists South Carolina license number MD92562, 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 Zi Tan, MD prescribe under Medicare Part D?
In 2024, Zi Tan, MD had 326 Medicare Part D claims for 90 beneficiaries; the average among endocrinology, diabetes & metabolism physician prescribers was 2,630. 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.