Doctor profile · Federal record
Dr. James Walker, MD
Addiction Psychiatry Physician (CMS: Psychiatry) · Greer, SC
- NPI 1578901500
- Accepts Medicare
- 13 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
Operates at 2 locations .
- Primary practice
-
2700 E Phillips RD
Greer, SC 296504815
(864) 235-2335 - Additional location
-
2700 Coltsgate RD Ste 106
Charlotte, NC 282113573
(864) 661-6307
Credentials & registration
- NPI registered
- June 2013 — 13 yrs on file
- Profile last updated
- August 25, 2025
- Year of graduation
- 2013 — 13 yrs since
- Specialty taxonomy
- 2084P0802X — NUCC code
- State license (1)
- South Carolina #MD35703
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1578901500. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
357
Distinct HCPCS
4
Medicare allowed
$30,722
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 267 | 41 | $77 | |
90792 |
Psychiatric diagnostic evaluation with medical services | 39 | 35 | $146 | |
99238 |
Hospital discharge day management, 30 minutes or less | 38 | 33 | $78 | |
99222 |
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 13 | 12 | $126 |
In context: peer comparison
Among 1 peers in this city , average services per provider: 89. This provider delivers 4.0× the peer median.Open Payments
Industry payments received
All-time total
$21
Transactions
1
Manufacturers
1
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| IDORSIA PHARMACEUTICALS US INC | 1 | $20.73 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
355
Patients
173
Total drug cost
$4,821
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Gabapentin | Generic | 42 | 28 | $425 |
| Naltrexone Hcl | Generic | 42 | 23 | $954 |
| Mirtazapine | Generic | 41 | 24 | $259 |
| Quetiapine Fumarate | Generic | 35 | 19 | $310 |
| Trazodone Hcl | Generic | 26 | 16 | $129 |
| Hydroxyzine Pamoate | Generic | 24 | 18 | $141 |
| Sertraline Hcl | Generic | 23 | 14 | $69 |
| Buprenorphine-Naloxone (Buprenorphine Hcl/Naloxone Hcl) | Brand | 22 | 19 | $1,869 |
| Escitalopram Oxalate | Generic | 22 | 12 | $87 |
| Lamotrigine | Generic | 15 | 0 | $66 |
Frequently asked questions
What is Dr. James Walker's medical specialty?
Dr. James Walker practices Addiction Psychiatry Physician in Greer, SC.
Where does Dr. James Walker practice?
Dr. James Walker practices at 2700 E Phillips RD, Greer, SC 296504815. Office phone: 8642352335.
What is Dr. James Walker's NPI?
Dr. James Walker's National Provider Identifier (NPI) is 1578901500, issued by NPPES.
Does Dr. James Walker accept Medicare assignment?
Yes. Dr. James Walker accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. James Walker commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Psychiatric diagnostic evaluation with medical services (HCPCS 90792); Hospital discharge day management (HCPCS 99238). Source: CMS Medicare Physician & Other Practitioners file.