Doctor profile · Federal record
Dr. Arun Gowdamarajan, M.D.
Colon & Rectal Surgery Physician (CMS: Colorectal Surgery (Proctology)) · Surgery Physician · Indianapolis, IN
- NPI 1861562100
- Accepts Medicare
- 32 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
7430 N Shadeland Ave, #200
Indianapolis, IN 46250
(317) 621-0668
fax (317) 577-7538 - Mailing address
-
6626 E 75Th St Ste 500
Indianapolis, IN 462502890
Credentials & registration
- NPI registered
- November 2006 — 20 yrs on file
- Profile last updated
- June 8, 2021
- Year of graduation
- 1994 — 32 yrs since
- Specialty taxonomy
- 208C00000X — NUCC code
- State license (1)
- Indiana #01058836A
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1861562100. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
339
Distinct HCPCS
10
Medicare allowed
$44,125
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 95 | 70 | $85 | |
99203 |
New patient office or other outpatient visit, 30-44 minutes | 42 | 42 | $105 | |
46600 |
Diagnostic exam of anus using an endoscope | 38 | 34 | $112 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 34 | 30 | $121 | |
46221 |
Removal of external hemorrhoids by rubber banding | 29 | 15 | $266 | |
45385 |
Removal of polyps or growths of large bowel using an endoscope with mechanical snare | 27 | 26 | $236 | |
G0105 |
Colorectal cancer screening; colonoscopy on individual at high risk | 27 | 27 | $171 | |
99221 |
Initial hospital care with straightforward or low level of medical decision making, per day, if using time, at least 40 minutes | 18 | 18 | $78 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 15 | 15 | $157 | |
99212 |
Established patient office or other outpatient visit, 10-19 minutes | 14 | 14 | $53 |
In context: peer comparison
Among 9 peers in Indianapolis Colon & Rectal Surgery Physician, average services per provider: 29. This provider delivers 12× the peer median.Open Payments
Industry payments received
All-time total
$1,235
Transactions
52
Manufacturers
15
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Abbvie INC. | 21 | $530.84 | |
| Celgene Corporation | 9 | $158.79 | |
| Smith+Nephew, INC. | 2 | $74.29 | |
| Janssen Biotech, INC. | 3 | $66.60 | |
| Integra LifeSciences Corporation | 3 | $66.03 | |
| Takeda Pharmaceuticals U.S.A., INC. | 3 | $64.26 | |
| Axonics, INC. | 2 | $61.65 | |
| Innovation Technologies INC | 1 | $28.27 | |
| Davol INC. | 1 | $27.97 | |
| Merck Sharp & Dohme LLC | 1 | $26.45 | |
| Micro-Tech Endoscopy USA, INC. | 1 | $24.03 | |
| Kerecis Limited | 1 | $21.38 | |
| Braintree Laboratories, INC. | 1 | $20.23 | |
| Tela Bio, INC. | 1 | $17.11 | |
| Biocomposites INC | 2 | $16.82 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
335
Patients
208
Total drug cost
$15,415
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Promethazine Hcl | Generic | 143 | 129 | $211 |
| Mesalamine ER (Mesalamine) | Brand | 53 | 14 | $12,219 |
| Diphenoxylate-Atropine (Diphenoxylate Hcl/Atropine) | Brand | 24 | 0 | $1,462 |
| Metronidazole | Generic | 24 | 23 | $59 |
| Oxycodone Hcl | Generic | 21 | 18 | $102 |
| Tramadol Hcl | Generic | 17 | 0 | $54 |
| Dicyclomine Hcl | Generic | 14 | 0 | $211 |
| Erythromycin (Erythromycin Base) | Brand | 14 | 13 | $921 |
| Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) | Brand | 14 | 11 | $150 |
| Cyclobenzaprine Hcl | Generic | 11 | 0 | $27 |
Hospital affiliations
Frequently asked questions
What is Dr. Arun Gowdamarajan's medical specialty?
Dr. Arun Gowdamarajan practices Colon & Rectal Surgery Physician in Indianapolis, IN.
Where does Dr. Arun Gowdamarajan practice?
Dr. Arun Gowdamarajan practices at 7430 N Shadeland Ave, Indianapolis, IN 46250. Office phone: 3176210668.
What is Dr. Arun Gowdamarajan's NPI?
Dr. Arun Gowdamarajan's National Provider Identifier (NPI) is 1861562100, issued by NPPES.
Does Dr. Arun Gowdamarajan accept Medicare assignment?
Yes. Dr. Arun Gowdamarajan accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Arun Gowdamarajan commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); New patient office or other outpatient visit (HCPCS 99203); Diagnostic exam of anus using an endoscope (HCPCS 46600). Source: CMS Medicare Physician & Other Practitioners file.