Doctor profile · Federal record
Dr. Anita Gregory, M.D.
Colon & Rectal Surgery Physician (CMS: Colorectal Surgery (Proctology)) · Orange, CA
- NPI 1881655868
- Accepts Medicare
- 36 yrs in practice
- Female
- Solo practice
- No sanctions
Practice & contact
- Primary practice
-
1010 W la Veta Ave, Suite 470
Orange, CA 928684304
(714) 835-8300
fax (714) 835-8304
Credentials & registration
- NPI registered
- March 2006 — 20 yrs on file
- Profile last updated
- February 3, 2022
- Year of graduation
- 1990 — 36 yrs since
- Specialty taxonomy
- 208C00000X — NUCC code
- State license (1)
- California #G74192
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1881655868. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
281
Distinct HCPCS
6
Medicare allowed
$36,403
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99203 |
New patient office or other outpatient visit, 30-44 minutes | 112 | 112 | $116 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 75 | 64 | $93 | |
45378 |
Diagnostic exam of large bowel using a flexible endoscope | 36 | 36 | $183 | |
46600 |
Diagnostic exam of anus using an endoscope | 32 | 30 | $131 | |
45380 |
Biopsy of large bowel using a flexible endoscope | 13 | 13 | $185 | |
45385 |
Removal of polyps or growths of large bowel using an endoscope with mechanical snare | 13 | 13 | $251 |
In context: peer comparison
Among 3 peers in this city , average services per provider: 35. This provider delivers 8.0× the peer median.Open Payments
Industry payments received
All-time total
$175
Transactions
3
Manufacturers
2
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Axonics, Inc. | 1 | $129.25 | |
| Exact Sciences Corporation | 2 | $45.45 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
161
Patients
104
Total drug cost
$7,892
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) | Brand | 32 | 21 | $269 |
| Ibuprofen | Generic | 31 | 26 | $119 |
| Hydrocortisone | Generic | 24 | 16 | $472 |
| Procto-Med Hc (Hydrocortisone) | Brand | 17 | 0 | $448 |
| Proctosol-Hc (Hydrocortisone) | Brand | 17 | 12 | $236 |
| Metronidazole | Generic | 15 | 15 | $22 |
| Neomycin Sulfate | Generic | 14 | 14 | $93 |
| Linzess (Linaclotide) | Brand | 11 | 0 | $6,233 |
Hospital affiliations
Frequently asked questions
What is Dr. Anita Gregory's medical specialty?
Dr. Anita Gregory practices Colon & Rectal Surgery Physician in Orange, CA.
Where does Dr. Anita Gregory practice?
Dr. Anita Gregory practices at 1010 W la Veta Ave, Orange, CA 928684304. Office phone: 7148358300.
What is Dr. Anita Gregory's NPI?
Dr. Anita Gregory's National Provider Identifier (NPI) is 1881655868, issued by NPPES.
Does Dr. Anita Gregory accept Medicare assignment?
Yes. Dr. Anita Gregory accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Anita Gregory commonly perform?
Top Medicare-reported procedures in 2023: New patient office or other outpatient visit (HCPCS 99203); Established patient office or other outpatient visit (HCPCS 99213); Diagnostic exam of large bowel using a flexible endoscope (HCPCS 45378). Source: CMS Medicare Physician & Other Practitioners file.