Physician Profile
Unclaimed ProfileAbout CHEN
Tammy T Chen, M.D. is a healthcare provider in Rock Hill, SC specialising in psychiatry. Tammy trained at Tulane University School of Medicine, graduating in 2001.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Education & Training
Areas of Expertise
Common questions
What does Dr. Chen specialise in?
Dr. Chen is a psychiatry in Rock Hill, SC. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “PSYCHIATRY”.
NPI registry
Where is Dr. Chen located?
Dr. Chen is listed at 2424 INDIA HOOK RD SUITE 120, Rock Hill, SC 29732. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Dr. Chen's phone number?
The number on file is (803) 328-8255. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Dr. Chen's NPI number?
Dr. Chen's National Provider Identifier is 1013055706. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Where did Dr. Chen go to medical school?
Dr. Chen attended Tulane University School of Medicine, graduating in 2001. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Chen been practising?
Dr. Chen has 25 years experience. Calculated from a graduation year of 2001, reported in the CMS National Downloadable File.
CMS public data
What does Dr. Chen do most often?
According to Medicare billing data, Dr. Chen provides treatments such as psychotherapy with evaluation and management visit, 1 hour and psychotherapy with evaluation and management visit, 45 minutes, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Dr. Chen confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Chen. If this is you, claiming it is free.
Guide.md
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (803) 328-8255
- Email not available
Practice Locations
2424 INDIA HOOK RD SUITE 120
Rock Hill, SC 29732
Procedures Most Often Billed to Medicare
530 services · 194 patients · 3 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Psychotherapy with evaluation and management visit, 1 hour | Treatment | 90838 |
197 |
| Psychotherapy with evaluation and management visit, 45 minutes | Treatment | 90836 |
68 |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
265 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Related specialists at this location 2
Clinically related specialties at the same address — the people this provider most likely works alongside.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Other psychiatry specialists in Rock Hill 8
Same specialty, same city.
More connections — 23 related providers in 3 groups
Trained at Tulane University School of Medicine 8
Other providers in the same specialty who trained at the same institution.
Class of 2001 at Tulane University School of Medicine 8
Providers who graduated from the same medical school in the same year.
Also performs Psychotherapy with evaluation and management visit, 1 hour 7
Providers in SC who bill this service to Medicare most often.
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.