Physician Profile
Anita K. Gregory, M.D.
Unclaimed ProfileAbout Dr. Gregory
Anita K. Gregory, M.D. is a healthcare provider in Orange, CA specializing in colon & rectal surgery. Anita trained at Saint Louis University School of Medicine, graduating in 1990. According to Medicare claims data, Anita cared for 270 Medicare patients across 289 services. The services billed most often include new patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more, established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more, and diagnostic exam of large bowel using a flexible endoscope.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it — free, and no identity document with a practice or institutional email.
Education & Training
Specialty
Credentials & Licensing
License numbers are what the provider reported to NPPES when the NPI was issued or updated. NPPES does not verify licensure; confirm current standing with the state licensing board.
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (714) 835-8300
- Email not available
Practice Locations
1010 W LA VETA AVE SUITE 470
Orange, CA 92868
Procedures Most Often Billed to Medicare
289 services · 270 patients · 5 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Diagnostic exam of large bowel using a flexible endoscope | Procedure | 45378 |
36 | More than most peers in Colon & Rectal Surgery |
| Diagnostic exam of anus using an endoscope | Procedure | 46600 |
29 | As often as other peers in Colon & Rectal Surgery |
| Biopsy of large bowel using a flexible endoscope | Procedure | 45380 |
16 | Less often than most peers in Colon & Rectal Surgery |
| New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more | Office visit | 99203 |
136 | More than most peers in Colon & Rectal Surgery |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
72 | More often than most peers in Colon & Rectal Surgery |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Related specialists at this location 5
Clinically related specialties at the same address — the people this provider most likely works alongside.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Other colorectal surgeons in Orange 6
Same specialty, same city.
More connections — 24 related providers in 3 groups
Trained at Saint Louis University School of Medicine 8
Other providers in the same specialty who trained at the same institution.
Class of 1990 at Saint Louis University School of Medicine 8
Providers who graduated from the same medical school in the same year.
Also performs Diagnostic exam of large bowel using a flexible endoscope 8
Providers in CA who bill this service to Medicare most often.
Common questions
What kind of doctor is Anita K. Gregory?
Anita K. Gregory is a colorectal surgeon in Orange, CA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Colon & Rectal Surgery”.
NPI registry
What is Anita K. Gregory's address?
Anita K. Gregory is listed at 1010 W la Veta Ave Suite 470, Orange, CA 92868. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with Anita K. Gregory?
The number on file is (714) 835-8300. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Anita K. Gregory's NPI number?
Anita K. Gregory's National Provider Identifier is 1881655868. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Where did Anita K. Gregory train?
Anita K. Gregory attended Saint Louis University School of Medicine, graduating in 1990. This comes from the CMS National Downloadable File.
CMS public data
How long has Anita K. Gregory been practicing?
Anita K. Gregory has 36 years experience. Calculated from a graduation year of 1990, reported in the CMS National Downloadable File.
CMS public data
What procedures does Anita K. Gregory perform?
According to Medicare billing data, Anita K. Gregory performs procedures including diagnostic exam of large bowel using a flexible endoscope, diagnostic exam of anus using an endoscope and biopsy of large bowel using a flexible endoscope, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Anita K. Gregory confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Anita K. Gregory. If this is you, claiming it is free.
Guide.md
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.