Dr. John Christopher Caston, MD
- Medicare services, 2024
- 735
- Medicare patients, 2024
- 134
- Part D claims, 2024
- 3,276
- Hospital affiliations
- 1
- State license
- 1
- Practice address
- 1330 Boiling Springs Rd, Spartanburg, SC 29303
- Practice phone
- Call (864) 585-0328
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Upstate Psychiatric Associates PA
Spartanburg, South Carolina
Find Dr. Caston's professional email, personal email and mobile number
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Dr. John Christopher Caston is a psychiatrist in Spartanburg, South Carolina
Dr. Caston practices at Upstate Psychiatric Associates PA in Spartanburg, South Carolina.
Dr. Caston's NPI, 1992703128, was assigned on July 12, 2005. Dr. Caston graduated from Medical University of South Carolina College of Medicine in 1971. Dr. Caston holds South Carolina license 6355.
- NPI
- 1992703128NPI Registry (opens in a new tab)
- Medicare PAC ID
- 9931122595
- NPI enumeration date
- July 12, 2005
- NPI status
- Active
- Practice phone
- (864) 585-0328
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 81
- Medical school graduation
- 1971
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Practice Data
Dr. John Christopher Caston practices at Upstate Psychiatric Associates PA in Spartanburg, South Carolina
Dr. Caston's primary practice is Upstate Psychiatric Associates PA, at 1330 Boiling Springs Rd, Spartanburg, SC 29303 in Spartanburg County. The practice phone is (864) 585-0328.
- Upstate Psychiatric Associates PA1330 Boiling Springs Rd, Spartanburg, SC 29303 · Spartanburg CountyPhone(864) 585-0328
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. John Christopher Caston is affiliated with 3 sites of care
Dr. Caston's primary practice is Upstate Psychiatric Associates PA in Spartanburg, South Carolina. Dr. Caston is also affiliated with Spartanburg Medical Center. Dmand AI also links Dr. Caston to 1 more physician office, named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. John Christopher Caston's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Caston practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Upstate Psychiatric Associates PA | Available with a free account |
| +2 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. John Christopher Caston is one of 630 psychiatrists in South Carolina
Psychiatry is Dr. Caston's primary specialty in the NPI Registry, under taxonomy code 2084P0800X. Dr. Caston is licensed in South Carolina.
Specialties and state licenses
- Psychiatry, South CarolinaPrimary
Psychiatrists near Dr. Caston
Counts of psychiatrists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. John Christopher Caston billed Medicare for 735 services in 2024
CMS data shows 735 Medicare services from Dr. Caston across 7 procedure codes in 2024, for 134 Medicare patients. Medicare paid $45,678 for them. Every service was in an office.
Dr. Caston's Medicare services by type, 2024
- Tests and treatments368
- Office and hospital visits367
Dr. Caston compared with the South Carolina median for psychiatrists, 2024
- Dr. Caston
- South Carolina median
- Medicare services
- 735vs 1295.7 times
- Medicare patients
- 134vs 492.7 times
- Part D claims
- 3,070vs 16818.3 times
Medians across 616 psychiatrists in South Carolina with Dmand AI profiles that report each measure.
Dr. Caston's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Caston and other psychiatrists in South Carolina.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. John Christopher Caston treated 134 Medicare patients in 2024, average age 74
CMS counts 134 Medicare patients who saw Dr. Caston in 2024. The largest group is 65 to 74, with 57 patients. 75% of them have mood disorders, and 73% have high cholesterol. Their average risk score is 1.08, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Caston's median patient age at 73, with 63% women.
Dr. Caston's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Caston's Medicare patients by sex, 2024
- Women8664%
- Men4836%
Chronic conditions among Dr. Caston's Medicare patients, 2024
- Mood disorders75%
- High cholesterol73%
- Anxiety70%
- High blood pressure70%
- Depression68%
- Arthritis54%
- Chronic kidney disease28%
- Personality disorders25%
Share of Medicare patients with each condition. A patient can have several.
Dr. Caston's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 73
Patient panel by sex, all payers
- Women63%
- Men37%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. John Christopher Caston wrote 3,276 Medicare Part D claims in 2024
In 2024, Dr. Caston wrote 3,276 Medicare Part D claims for 208 patients. 96% of them were for generic drugs. CMS names the drug for 3,070 of them, across 55 drugs with 11 or more claims each, at $85,716 in total drug cost.
Dr. Caston's Part D claims by kind of drug, 2024
- Generic3,134 claims96%
- Brand-name142 claims4%
Dr. Caston's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Dr. Caston's Part D claims, 2024
- Opioids2%68 of 3,276 claims
- Antibiotics0%14 of 3,276 claims
- Antipsychotics, patients 65 and over4%125 of 3,276 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
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Dr. John Christopher Caston graduated from Medical University of South Carolina College of Medicine
Dr. Caston graduated from Medical University of South Carolina College of Medicine in 1971.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. John Christopher Caston's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. John Christopher Caston
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What is Dr. John Christopher Caston's NPI number?
Dr. John Christopher Caston's NPI number is 1992703128. It was assigned on July 12, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. John Christopher Caston?
Dr. John Christopher Caston is a psychiatrist in Spartanburg, South Carolina. The primary specialty in the NPI Registry is Psychiatry Physician (taxonomy code 2084P0800X).
Where does Dr. John Christopher Caston practice?
Dr. Caston practices at 1330 Boiling Springs Rd, Spartanburg, SC 29303. Dr. Caston's primary practice is Upstate Psychiatric Associates PA in Spartanburg, South Carolina. Dmand AI also links Dr. Caston to 1 physician office.
What is Dr. John Christopher Caston's office phone number?
The practice phone on file for Dr. Caston is (864) 585-0328.
What is Dr. John Christopher Caston's medical license number?
Dr. Caston holds South Carolina license 6355.
Which hospitals is Dr. John Christopher Caston affiliated with?
Dr. Caston is affiliated with Spartanburg Medical Center.
Does Dr. John Christopher Caston accept Medicare?
Yes. CMS data shows Dr. Caston billed Medicare for 735 services in 2024.
How many Medicare patients does Dr. John Christopher Caston see?
CMS counts 134 Medicare patients who saw Dr. Caston in 2024, with an average age of 74.
What services does Dr. John Christopher Caston bill to Medicare?
In 2024, Dr. Caston's most billed Medicare services were psychiatric service (90838), office visit, established patient (99213) and psychiatric service (90836).
Where did Dr. John Christopher Caston go to medical school?
Dr. Caston graduated from Medical University of South Carolina College of Medicine in 1971.
What drugs does Dr. John Christopher Caston prescribe most?
In 2024 Medicare Part D data, Dr. Caston's most prescribed drugs by claims were Clonazepam, Alprazolam and Gabapentin.
How long has Dr. John Christopher Caston been practicing?
Dr. Caston graduated from medical school in 1971, 55 years ago.
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