Tammy T. Chen, M.D.
Psychiatry Physician · Rock Hill, SC
Tammy T. Chen, M.D. is a psychiatry physician with a practice address in Rock Hill, South Carolina, and NPI 1013055706, issued on Feb 2, 2007. Check the license (South Carolina 31361, as entered in NPPES) on the South Carolina Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Tammy T. Chen
- Credential
- M.D.
- Primary taxonomy
- Psychiatry Physician 2084P0800X
- License number
- 31361 SC
Self-reported in NPPES; status is on the state search - Practice location
- 2424 India Hook RD, Rock Hill, SC 29732
- Phone
- (803) 328-8255
- Enumerated
- Feb 2, 2007
- Record last updated
- Jan 23, 2013 (not updated in 13 years: call before relying on the address or phone)
- Fax
- (803) 328-8265
- Medicaid ID
- 313618 SC
- Medicare enrollment
- Enrolled (PECOS I20091028000068); accepts Medicare assignment
- Medical or professional school
- Tulane University School Of Medicine, 2001
- Entity
- Type 1 · individual
8 nearest psychiatry physician records → All 891 in South Carolina → Look up another NPI →
Also registered at 2424 India Hook RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Janice Hage, APRN-BCAcute Care Nurse Practitioner1952588345
Verify Tammy T. Chen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersSouth Carolina Board of Medical Examiners
Search for license 31361Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
4.2 times the Medicare Part D claims of the average psychiatry physician in 2024
4,189 Medicare Part D claims for 193 beneficiaries, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims.
Most prescribed
- Alprazolam496 claims
- Clonazepam325 claims
- Dextroamphetamine-Amphetamine311 claims
- Trazodone Hcl283 claims
- Fluoxetine Hcl186 claims
- Lorazepam167 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: $940.87
51 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. The 13,693 providers of this specialty with any payment received $4,954.93 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.
Tammy T. Chen among 891 psychiatry physician records in South Carolina
Tammy T. Chen, M.D. is one of 891 psychiatry physician records with a practice address in South Carolina. 67% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 37% of them.
- NPI issued2007 · 37% of these records are older, 53% newer
- In a Medicare fileYes · 67% of these records are
- In the CMS Doctors and Clinicians fileYes · 41% of these records are
- Graduated2001 · median 2007 among the 365 with a school on file
- Record last updated2013 · 52% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084P0800X and a South Carolina practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Psychiatry Physician providers in South Carolina
There are 891 psychiatry physician records in South Carolina.
All 891 in South Carolina → Every provider in Rock Hill → Psychiatry Physician nationwide →
The 8 psychiatry physician records with the nearest ZIP codes
- Katie Chambers, MDRock Hill, SC 297321770921751
- Tarunendu Dwivedi, M.D.Rock Hill, SC 297321063481844
- Mark EnglishRock Hill, SC 297321316532294
- Bret Guidry, M.D.Rock Hill, SC 297321588634554
- Hayne McMeekin, MDRock Hill, SC 297321356306039
- Brian Mika, MDRock Hill, SC 297321073675799
- Catherine Munson, M.D.Rock Hill, SC 297321184784696
- Ami Patel, M.D.Rock Hill, SC 297321114188463
Common questions
What is Tammy T. Chen, M.D.'s NPI number?
Tammy T. Chen, M.D.'s National Provider Identifier (NPI) is 1013055706, issued on Feb 2, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Tammy T. Chen, M.D. located?
The NPPES record lists a practice address at 2424 India Hook RD, Rock Hill, SC, 29732. Phone: (803) 328-8255. Providers update this record themselves, so call before visiting.
How can I verify Tammy T. Chen, M.D.'s license?
NPPES lists South Carolina license number 31361, 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 Tammy T. Chen, M.D. prescribe under Medicare Part D?
In 2024, Tammy T. Chen, M.D. had 4,189 Medicare Part D claims for 193 beneficiaries; the average among psychiatry physician prescribers was 1,000. 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.