Doctor profile · Federal record
Dr. Serhan Karvar, MD
Gastroenterology Physician (CMS: Gastroenterology) · Internal Medicine Physician · Gastroenterology Physician · Iowa City, IA
- NPI 1992209167
- Accepts Medicare
- 35 yrs in practice
- Licensed in 2 states
- Male
- Group practice
- No sanctions
Practice & contact
Operates at 4 locations .
- Primary practice
-
200 Hawkins Dr
Iowa City, IA 522421009
(319) 356-2132
fax (319) 356-8559 - Additional location
-
105 E 9Th St
Coralville, IA 522412209
(319) 467-2000
fax (319) 467-2504 - Additional location
-
500 E Market St
Iowa City, IA 522452633
(319) 339-3551
fax (319) 248-7945 - Additional location
-
540 E Jefferson St Ste 400
Iowa City, IA 522452479
(319) 337-5997
fax (319) 358-2665
Show 1 more location
Credentials & registration
- NPI registered
- March 2018 — 8 yrs on file
- Profile last updated
- November 20, 2025
- Year of graduation
- 1991 — 35 yrs since
- Specialty taxonomy
- 207RG0100X — NUCC code
- State licenses (2)
- Iowa #SP-0258 · South Carolina #AL51940
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1992209167. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
160
Distinct HCPCS
4
Medicare allowed
$16,247
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 57 | 54 | $91 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 49 | 48 | $91 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 28 | 28 | $124 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 26 | 26 | $121 |
In context: peer comparison
Among 14 peers in Iowa City Gastroenterology Physician, average services per provider: 36. This provider delivers 4.4× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
311
Patients
127
Total drug cost
$15,725
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Famotidine | Generic | 64 | 23 | $1,421 |
| Dicyclomine Hcl | Generic | 55 | 27 | $1,076 |
| Omeprazole | Generic | 37 | 19 | $400 |
| Ondansetron Odt (Ondansetron) | Brand | 35 | 23 | $1,327 |
| Loperamide (Loperamide Hcl) | Brand | 26 | 11 | $656 |
| Ondansetron Hcl | Generic | 19 | 0 | $222 |
| Linzess (Linaclotide) | Brand | 18 | 0 | $9,686 |
| Pantoprazole Sodium | Generic | 18 | 0 | $359 |
| Metronidazole | Generic | 14 | 13 | $147 |
| Amitriptyline Hcl | Generic | 13 | 0 | $81 |
Hospital affiliations
Frequently asked questions
What is Dr. Serhan Karvar's medical specialty?
Dr. Serhan Karvar practices Gastroenterology Physician in Iowa City, IA.
Where does Dr. Serhan Karvar practice?
Dr. Serhan Karvar practices at 200 Hawkins Dr, Iowa City, IA 522421009. Office phone: 3193562132.
What is Dr. Serhan Karvar's NPI?
Dr. Serhan Karvar's National Provider Identifier (NPI) is 1992209167, issued by NPPES.
Does Dr. Serhan Karvar accept Medicare assignment?
Yes. Dr. Serhan Karvar accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Serhan Karvar commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99214); New patient office or other outpatient visit (HCPCS 99204). Source: CMS Medicare Physician & Other Practitioners file.