Doctor profile · Federal record
Dr. Deewan Deewan, MD
Nephrology Physician (CMS: Internal Medicine) · Internal Medicine Physician · Columbia, SC
- NPI 1811292055
- Accepts Medicare
- 25 yrs in practice
- Male
- Solo practice
- No sanctions
Practice & contact
- Primary practice
-
1655 Bernardin Ave Ste 200
Columbia, SC 292042044
(803) 256-1137
fax (803) 256-1138
Credentials & registration
- NPI registered
- January 2011 — 15 yrs on file
- Profile last updated
- May 16, 2023
- Year of graduation
- 2001 — 25 yrs since
- Specialty taxonomy
- 207RN0300X — NUCC code
- State license (1)
- South Carolina #40554
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1811292055. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
2,142
Distinct HCPCS
7
Medicare allowed
$262,710
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 1,188 | 246 | $76 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 413 | 166 | $94 | |
90960 |
Dialysis services, 4 or more physician visits per month (20 years or older) | 244 | 128 | $343 | |
99223 |
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 167 | 150 | $167 | |
90961 |
Dialysis services, 2-3 physician visits per month (20 years or older) | 67 | 52 | $286 | |
90970 |
Dialysis services, per day, less than full month service (20 years or older) | 49 | 14 | $9 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 14 | 14 | $149 |
In context: peer comparison
Among 16 peers in this city , average services per provider: 136. This provider delivers 16× the peer median.Open Payments
Industry payments received
All-time total
$778
Transactions
35
Manufacturers
11
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Amgen Inc. | 9 | $234.26 | |
| Mallinckrodt Hospital Products Inc. | 6 | $129.51 | |
| Otsuka America Pharmaceutical, Inc. | 3 | $75.85 | |
| CALLIDITAS THERAPEUTICS US INC. | 4 | $75.01 | |
| Novartis Pharmaceuticals Corporation | 4 | $74.80 | |
| Bayer Healthcare Pharmaceuticals Inc. | 3 | $54.62 | |
| Vifor Pharma, Inc. | 2 | $43.11 | |
| CorMedix Inc. | 1 | $31.87 | |
| Ardelyx, Inc. | 1 | $22.38 | |
| AstraZeneca Pharmaceuticals LP | 1 | $21.65 | |
| Boehringer Ingelheim Pharmaceuticals, Inc. | 1 | $15.41 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
819
Patients
266
Total drug cost
$37,130
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Allopurinol | Generic | 176 | 65 | $1,801 |
| Calcitriol | Generic | 90 | 34 | $3,232 |
| Doxazosin Mesylate | Generic | 89 | 33 | $2,642 |
| Furosemide | Generic | 74 | 30 | $428 |
| Nifedipine Er (Nifedipine) | Brand | 53 | 15 | $2,805 |
| Hydralazine Hcl | Generic | 50 | 20 | $764 |
| Amlodipine Besylate | Generic | 42 | 25 | $333 |
| Torsemide | Generic | 40 | 16 | $2,034 |
| Midodrine Hcl | Generic | 35 | 14 | $4,215 |
| Calcium Acetate | Generic | 34 | 14 | $7,301 |
Hospital affiliations
Frequently asked questions
What is Dr. Deewan Deewan's medical specialty?
Dr. Deewan Deewan practices Nephrology Physician in Columbia, SC.
Where does Dr. Deewan Deewan practice?
Dr. Deewan Deewan practices at 1655 Bernardin Ave Ste 200, Columbia, SC 292042044. Office phone: 8032561137.
What is Dr. Deewan Deewan's NPI?
Dr. Deewan Deewan's National Provider Identifier (NPI) is 1811292055, issued by NPPES.
Does Dr. Deewan Deewan accept Medicare assignment?
Yes. Dr. Deewan Deewan accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Deewan Deewan 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 99214); Dialysis services, 4 or more physician visits per month (20 years or older) (HCPCS 90960). Source: CMS Medicare Physician & Other Practitioners file.