Doctor profile · Federal record
Dr. Nathalie Urrunaga, MD
Gastroenterology Physician (CMS: Gastroenterology) · Baltimore, MD
- NPI 1790945889
- Accepts Medicare
- 20 yrs in practice
- Female
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
22 S Greene St
Baltimore, MD 212011544
(410) 328-5780
fax (410) 328-8315 - Mailing address
-
Po Box 64442
Baltimore, MD 212644442
Credentials & registration
- NPI registered
- June 2008 — 18 yrs on file
- Profile last updated
- October 17, 2016
- Year of graduation
- 2006 — 20 yrs since
- Specialty taxonomy
- 207RG0100X — NUCC code
- State license (1)
- Maryland #D73538
- Medicaid
- MD #333615800
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1790945889. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
187
Distinct HCPCS
8
Medicare allowed
$25,696
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 42 | 21 | $82 | |
45380 |
Biopsy of large bowel using a flexible endoscope | 31 | 31 | $148 | |
99233 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 27 | 12 | $126 | |
99223 |
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 22 | 22 | $184 | |
45385 |
Removal of polyps or growths of large bowel using an endoscope with mechanical snare | 19 | 19 | $268 | |
43239 |
Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | 17 | 16 | $98 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 16 | 13 | $103 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 13 | 11 | $137 |
In context: peer comparison
Among 49 peers in Baltimore Gastroenterology Physician, average services per provider: 49. This provider delivers 3.8× the peer median.Open Payments
Industry payments received
All-time total
$199
Transactions
8
Manufacturers
6
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Intercept Pharmaceuticals, INC. | 3 | $68.29 | |
| Madrigal Pharmaceuticals | 1 | $41.45 | |
| Lilly USA, LLC | 1 | $27.19 | |
| Phathom Pharmaceuticals, INC. | 1 | $23.64 | |
| Ipsen Biopharmaceuticals, INC | 1 | $21.95 | |
| Gilead Sciences, INC. | 1 | $16.15 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
216
Patients
28
Total drug cost
$21,444
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Tacrolimus | Generic | 81 | 16 | $12,749 |
| Pantoprazole Sodium | Generic | 27 | 12 | $546 |
| Entecavir | Generic | 21 | 0 | $4,875 |
| Prednisone | Generic | 18 | 0 | $53 |
| Mycophenolate Mofetil | Generic | 17 | 0 | $778 |
| Ursodiol | Generic | 17 | 0 | $1,649 |
| Omeprazole | Generic | 13 | 0 | $182 |
| Azathioprine | Generic | 11 | 0 | $479 |
| Levothyroxine Sodium | Generic | 11 | 0 | $133 |
Hospital affiliations
Frequently asked questions
What is Dr. Nathalie Urrunaga's medical specialty?
Dr. Nathalie Urrunaga practices Gastroenterology Physician in Baltimore, MD.
Where does Dr. Nathalie Urrunaga practice?
Dr. Nathalie Urrunaga practices at 22 S Greene St, Baltimore, MD 212011544. Office phone: 4103285780.
What is Dr. Nathalie Urrunaga's NPI?
Dr. Nathalie Urrunaga's National Provider Identifier (NPI) is 1790945889, issued by NPPES.
Does Dr. Nathalie Urrunaga accept Medicare assignment?
Yes. Dr. Nathalie Urrunaga accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Nathalie Urrunaga commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Biopsy of large bowel using a flexible endoscope (HCPCS 45380); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233). Source: CMS Medicare Physician & Other Practitioners file.