Doctor profile · Federal record
Dr. Joseph John, M.D.
Infectious Disease Physician (CMS: Infectious Disease) · Charleston, SC
- NPI 1598866592
- Accepts Medicare
- 56 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
1938 Charlie Hall Blvd Unit B
Charleston, SC 294146099
(843) 402-0227
fax (843) 402-0232
Credentials & registration
- NPI registered
- September 2006 — 20 yrs on file
- Profile last updated
- June 8, 2015
- Year of graduation
- 1970 — 56 yrs since
- Specialty taxonomy
- 207RI0200X — NUCC code
- State license (1)
- South Carolina #7155
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1598866592. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
127
Distinct HCPCS
4
Medicare allowed
$15,358
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 47 | 29 | $75 | |
99215 |
Established patient office or other outpatient visit, 40-54 minutes | 45 | 26 | $169 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 24 | 18 | $120 | |
99222 |
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 11 | 11 | $123 |
In context: peer comparison
Among 15 peers in this city , average services per provider: 95. This provider delivers 1.3× the peer median.Open Payments
Industry payments received
All-time total
$365
Transactions
17
Manufacturers
8
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Melinta Therapeutics, LLC | 4 | $79.27 | |
| ViiV Healthcare Company | 3 | $73.75 | |
| ABBVIE INC. | 3 | $57.44 | |
| Gilead Sciences, Inc. | 2 | $56.72 | |
| Paratek Pharmaceuticals, Inc. | 2 | $30.01 | |
| Insmed, Inc. | 1 | $23.86 | |
| Xeris Pharmaceuticals, Inc. | 1 | $22.39 | |
| Grifols USA, LLC | 1 | $21.70 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
65
Patients
0
Total drug cost
$172,265
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Biktarvy (Bictegrav/Emtricit/Tenofov Ala) | Brand | 43 | 0 | $171,911 |
| Cyanocobalamin Injection (Cyanocobalamin (Vitamin B-12)) | Brand | 11 | 0 | $137 |
| Doxycycline Hyclate | Generic | 11 | 0 | $217 |
Frequently asked questions
What is Dr. Joseph John's medical specialty?
Dr. Joseph John practices Infectious Disease Physician in Charleston, SC.
Where does Dr. Joseph John practice?
Dr. Joseph John practices at 1938 Charlie Hall Blvd Unit B, Charleston, SC 294146099. Office phone: 8434020227.
What is Dr. Joseph John's NPI?
Dr. Joseph John's National Provider Identifier (NPI) is 1598866592, issued by NPPES.
Does Dr. Joseph John accept Medicare assignment?
Yes. Dr. Joseph John accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Joseph John commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Established patient office or other outpatient visit (HCPCS 99215); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.