Anita Kay Gregory, M.D.
Colon & Rectal Surgery Physician · Orange, CA
Anita Kay Gregory, M.D. is a colon & rectal surgery physician with a practice address in Orange, California, and NPI 1881655868, issued on Mar 30, 2006. Check the license (California G74192, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Anita Kay Gregory
- Credential
- M.D.
- Primary taxonomy
- Colon & Rectal Surgery Physician 208C00000X
- License number
- G74192 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1010 W LA Veta Ave, Orange, CA 92868
- Phone
- (714) 835-8300
- Enumerated
- Mar 30, 2006
- Record last updated
- Feb 3, 2022
- Fax
- (714) 835-8304
- Medicare enrollment
- Enrolled (PECOS I20090602000082); accepts Medicare assignment
- Medical or professional school
- Saint Louis University School Of Medicine, 1990
- Entity
- Type 1 · individual
8 nearest colon & rectal surgery physician records → All 198 in California → Look up another NPI →
Also registered at 1010 W LA Veta Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Alaa Abousaif, MDGastroenterology Physician1235124108
- Gurpreet Ahuja, MDOtolaryngology Physician1013970169
- Tyler Ayalin, M.D.Emergency Medicine Physician1124274915
- Birbal Bhaskar, M.D.Specialist1194773168
- Michele Carpenter, M.D.Specialist1770543712
- Daniel ChiuGerontology Nurse Practitioner1427419530
Verify Anita Kay Gregory in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G74192Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
17% more Medicare Part D claims than the average colon & rectal surgery physician in 2024
224 Medicare Part D claims for 92 beneficiaries, against an average of 192 among the 1,836 providers of this specialty who prescribed in Part D. 24 claims were for opioids.
Most prescribed
- Hydrocortisone44 claims
- Ibuprofen27 claims
- Procto-Med Hc22 claims
- Metronidazole19 claims
- Neomycin Sulfate16 claims
- Hydrocodone-Acetaminophen12 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $174.70
3 payments; by number, the most common kind was food and beverage; the largest payer was Axonics, Inc. The 1,524 providers of this specialty with any payment received $3,468.16 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Orange Surgical AssociatesOrange, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Anita Kay Gregory among 198 colon & rectal surgery physician records in California
Anita Kay Gregory, M.D. is one of 198 colon & rectal surgery physician records with a practice address in California. 87% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 10% of them.
- NPI issued2006 · 10% of these records are older, 57% newer
- In a Medicare fileYes · 87% of these records are
- In the CMS Doctors and Clinicians fileYes · 75% of these records are
- Graduated1990 · median 2002 among the 149 with a school on file
- Record last updated2022 · 54% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208C00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Colon & Rectal Surgery Physician providers in California
There are 198 colon & rectal surgery physician records in California.
All 198 in California → Every provider in Orange → Colon & Rectal Surgery Physician nationwide →
The 8 colon & rectal surgery physician records with the nearest ZIP codes
- Joseph Carmichael, MDOrange, CA 928681427175827
- George Moro, M.D.Orange, CA 928681255416715
- Skandan Shanmugan, MDOrange, CA 928681982845574
- Richard StrakerOrange, CA 928681194257972
- Valery Vilchez, M.D.Orange, CA 928681073992624
- Catherine Zhu, M.D.Orange, CA 928681457705683
- Eric Fu, MDYorba Linda, CA 928861629060108
- Kevin Kinzinger, M.D.Fullerton, CA 928351760554232
Common questions
What is Anita Kay Gregory, M.D.'s NPI number?
Anita Kay Gregory, M.D.'s National Provider Identifier (NPI) is 1881655868, issued on Mar 30, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Anita Kay Gregory, M.D. located?
The NPPES record lists a practice address at 1010 W LA Veta Ave, Orange, CA, 92868. Phone: (714) 835-8300. Providers update this record themselves, so call before visiting.
How can I verify Anita Kay Gregory, M.D.'s license?
NPPES lists California license number G74192, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Anita Kay Gregory, M.D. prescribe under Medicare Part D?
In 2024, Anita Kay Gregory, M.D. had 224 Medicare Part D claims for 92 beneficiaries; the average among colon & rectal surgery physician prescribers was 192. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.