Doctor profile · Federal record
Dr. Gregory Idos, M.D.
Gastroenterology Physician (CMS: Gastroenterology) · Internal Medicine Physician · Duarte, CA
- NPI 1770769937
- Accepts Medicare
- MIPS 91.9 / 100 · 2023
- 20 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
Operates at 2 locations .
- Primary practice
-
1500 E Duarte Road
Duarte, CA 910103012
(626) 256-4673
fax (626) 408-3911 - Additional location
-
209 Fair Oaks Ave
South Pasadena, CA 910301814
(626) 396-2900
fax (626) 799-2889 - Mailing address
-
Po Box 512185
Los Angeles, CA 900510185
Credentials & registration
- NPI registered
- January 2008 — 18 yrs on file
- Profile last updated
- November 4, 2020
- Year of graduation
- 2006 — 20 yrs since
- Specialty taxonomy
- 207RG0100X — NUCC code
- State license (1)
- California #A102184
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1770769937. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
475
Distinct HCPCS
10
Medicare allowed
$70,731
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
43239 |
Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | 86 | 85 | $105 | |
45380 |
Biopsy of large bowel using a flexible endoscope | 71 | 64 | $118 | |
45385 |
Removal of polyps or growths of large bowel using an endoscope with mechanical snare | 51 | 45 | $238 | |
99443 |
Telephone medical discussion with physician, 21-30 minutes | 44 | 42 | $102 | |
99205 |
New patient office or other outpatient visit, 60-74 minutes | 43 | 43 | $191 | |
99205 |
New patient office or other outpatient visit, 60-74 minutes | 33 | 33 | $180 | |
45390 |
Removal of large bowel tissue using a flexible endoscope | 21 | 19 | $346 | |
99215 |
Established patient office or other outpatient visit, 40-54 minutes | 21 | 18 | $151 | |
99215 |
Established patient office or other outpatient visit, 40-54 minutes | 19 | 18 | $151 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 16 | 15 | $97 |
In context: peer comparison
Among 4 peers in Duarte Gastroenterology Physician, average services per provider: 47. This provider delivers 10× the peer median.Open Payments
Industry payments received
All-time total
$263
Transactions
5
Manufacturers
5
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Olympus America INC. | 1 | $147.35 | |
| Regeneron Healthcare Solutions, INC. | 1 | $36.90 | |
| Deciphera Pharmaceuticals INC. | 1 | $27.51 | |
| Tempus Ai, INC | 1 | $26.84 | |
| Novartis Pharmaceuticals Corporation | 1 | $24.76 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
31
Patients
0
Total drug cost
$8,473
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Dexlansoprazole Dr (Dexlansoprazole) | Brand | 18 | 0 | $5,146 |
| Colestipol Hcl | Generic | 13 | 0 | $3,327 |
Frequently asked questions
What is Dr. Gregory Idos's medical specialty?
Dr. Gregory Idos practices Gastroenterology Physician in Duarte, CA.
Where does Dr. Gregory Idos practice?
Dr. Gregory Idos practices at 1500 E Duarte Road, Duarte, CA 910103012. Office phone: 6262564673.
What is Dr. Gregory Idos's NPI?
Dr. Gregory Idos's National Provider Identifier (NPI) is 1770769937, issued by NPPES.
Does Dr. Gregory Idos accept Medicare assignment?
Yes. Dr. Gregory Idos accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Gregory Idos commonly perform?
Top Medicare-reported procedures in 2023: Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope (HCPCS 43239); Biopsy of large bowel using a flexible endoscope (HCPCS 45380); Removal of polyps or growths of large bowel using an endoscope with mechanical snare (HCPCS 45385). Source: CMS Medicare Physician & Other Practitioners file.