Doctor profile · Federal record
Dr. Carl Berg, MD
Gastroenterology Physician · Durham, NC
- NPI 1144399767
- 20 yrs on file
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
40 Duke Medicine Cir
Durham, NC 277104000
(919) 684-8111 - Mailing address
-
5213 S Alston Ave
Durham, NC 277134430
Credentials & registration
- NPI registered
- November 2006 — 20 yrs on file
- Profile last updated
- February 27, 2012
- Specialty taxonomy
- 207RG0100X — NUCC code
- State license (1)
- Virginia #0101056318
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1144399767. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
343
Distinct HCPCS
6
Medicare allowed
$33,512
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 122 | 105 | $92 | |
99233 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 118 | 37 | $93 | |
99215 |
Established patient office or other outpatient visit, 40-54 minutes | 39 | 28 | $130 | |
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 31 | 26 | $66 | |
99222 |
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 22 | 22 | $113 | |
99223 |
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 11 | 11 | $151 |
In context: peer comparison
Among 21 peers in this city , average services per provider: 124. This provider delivers 2.8× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
597
Patients
96
Total drug cost
$94,317
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Ursodiol | Generic | 97 | 17 | $17,591 |
| Tacrolimus | Generic | 90 | 24 | $15,038 |
| Mycophenolate Mofetil | Generic | 66 | 16 | $7,352 |
| Prednisone | Generic | 45 | 14 | $813 |
| Spironolactone | Generic | 43 | 13 | $737 |
| Sirolimus | Generic | 41 | 0 | $38,646 |
| Furosemide | Generic | 33 | 0 | $239 |
| Pantoprazole Sodium | Generic | 32 | 12 | $337 |
| Omeprazole | Generic | 30 | 0 | $368 |
| Amiloride Hcl | Generic | 29 | 0 | $380 |
Frequently asked questions
What is Dr. Carl Berg's medical specialty?
Dr. Carl Berg practices Gastroenterology Physician in Durham, NC.
Where does Dr. Carl Berg practice?
Dr. Carl Berg practices at 40 Duke Medicine Cir, Durham, NC 277104000. Office phone: 9196848111.
What is Dr. Carl Berg's NPI?
Dr. Carl Berg's National Provider Identifier (NPI) is 1144399767, issued by NPPES.
What procedures does Dr. Carl Berg commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Established patient office or other outpatient visit (HCPCS 99215). Source: CMS Medicare Physician & Other Practitioners file.