John Christopher Caston, M.D.
Psychiatry Physician · Spartanburg, SC
John Christopher Caston, M.D. is a psychiatry physician with a practice address in Spartanburg, South Carolina, and NPI 1992703128, issued on Jul 12, 2005. Check the license (South Carolina 6355, as entered in NPPES) on the South Carolina Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- John Christopher Caston
- Credential
- M.D.
- Primary taxonomy
- Psychiatry Physician 2084P0800X
- License number
- 6355 SC
Self-reported in NPPES; status is on the state search - Practice location
- 480 Floyd RD Ste A, Spartanburg, SC 29307
- Phone
- (864) 585-0328
- Enumerated
- Jul 12, 2005
- Record last updated
- Oct 17, 2024
- Fax
- (864) 585-8808
- Medicaid ID
- 063558 SC
- Medicare enrollment
- Enrolled (PECOS I20120202000682); may accept Medicare assignment
- Medical or professional school
- Medical University Of South Carolina College Of Medicine, 1971
- Entity
- Type 1 · individual
8 nearest psychiatry physician records → All 891 in South Carolina → Look up another NPI →
Also registered at 480 Floyd RD Ste A
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify John Christopher Caston in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersSouth Carolina Board of Medical Examiners
Search for license 6355Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
3.3 times the Medicare Part D claims of the average psychiatry physician in 2024
3,276 Medicare Part D claims for 208 beneficiaries, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D. Brand-name drugs were 4% of claims. 68 claims were for opioids.
Most prescribed
- Clonazepam688 claims
- Alprazolam183 claims
- Gabapentin172 claims
- Lorazepam162 claims
- Trazodone Hcl129 claims
- Bupropion Hcl Sr125 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.
John Christopher Caston among 891 psychiatry physician records in South Carolina
John Christopher Caston, 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 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 98% newer
- In a Medicare fileYes · 67% of these records are
- In the CMS Doctors and Clinicians fileYes · 41% of these records are
- Graduated1971 · median 2007 among the 365 with a school on file
- Record last updated2024 · 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 Spartanburg → Psychiatry Physician nationwide →
The 8 psychiatry physician records with the nearest ZIP codes
- Peter Wrzesinski, MDSpartanburg, SC 293071508486507
- James Lamee, SC LMFTSpartanburg, SC 293061659324143
- Lori Barwick, M.D.Spartanburg, SC 293031518069855
- Janis Browning, DOSpartanburg, SC 293031851494082
- Kyle Chinsky, DO, MS, BSSpartanburg, SC 293031053060343
- Campbell Connell, DOSpartanburg, SC 293031629658190
- Eve Fields, MDSpartanburg, SC 293031417052234
- Frank Forsthoefel, M.D.Spartanburg, SC 293031578666731
Common questions
What is John Christopher Caston, M.D.'s NPI number?
John Christopher Caston, M.D.'s National Provider Identifier (NPI) is 1992703128, issued on Jul 12, 2005. An NPI identifies a provider in billing; it is not a license.
Where is John Christopher Caston, M.D. located?
The NPPES record lists a practice address at 480 Floyd RD Ste A, Spartanburg, SC, 29307. Phone: (864) 585-0328. Providers update this record themselves, so call before visiting.
How can I verify John Christopher Caston, M.D.'s license?
NPPES lists South Carolina license number 6355, 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 John Christopher Caston, M.D. prescribe under Medicare Part D?
In 2024, John Christopher Caston, M.D. had 3,276 Medicare Part D claims for 208 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.