Robert Hoo, MD
Anesthesiology Physician · Santa Ana, CA
Robert Hoo, MD is an anesthesiology physician with a practice address in Santa Ana, California, and NPI 1952496218, issued on Oct 4, 2006. Check the license (California G78736, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Robert Hoo
- Credential
- MD
- Primary taxonomy
- Anesthesiology Physician 207L00000X
- License number
- G78736 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1001 N Tustin Ave, Santa Ana, CA 92705
- Phone
- (714) 835-3555
- Enumerated
- Oct 4, 2006
- Record last updated
- Jul 9, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (714) 953-4529
- Medicaid ID
- 00G787360 CA
- Medicare enrollment
- Enrolled (PECOS I20040112000582); accepts Medicare assignment
- Medical or professional school
- Hahnemann University College Of Medicine, 1992
- Entity
- Type 1 · individual
8 nearest anesthesiology physician records → All 7,571 in California → Look up another NPI →
Also registered at 1001 N Tustin Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Stewart Brash, M.D.Emergency Medicine Physician1427001163
- Steven Bui, D.O.Anesthesiology Physician1508252883
- Anne Castle, P.A.Physician Assistant1669424206
- Julia Celani, P.T.Physical Therapist1659349165
- Omar Chowdhry, D.O.Anesthesiology Physician1972735074
- Catherine Chung, MDAnesthesiology Physician1205820586
Verify Robert Hoo in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G78736Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Industry payments in 2024: $24.35
1 payment: food and beverage; the largest payer was Merck Sharp & Dohme LLC. The 17,774 providers of this specialty with any payment received $669.59 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 Coast Anesthesia IncFountain Valley, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Robert Hoo among 7,571 anesthesiology physician records in California
Robert Hoo, MD is one of 7,571 anesthesiology physician records with a practice address in California. 71% 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 5% of them.
- NPI issued2006 · 5% of these records are older, 53% newer
- In a Medicare fileYes · 71% of these records are
- In the CMS Doctors and Clinicians fileYes · 64% of these records are
- Graduated1992 · median 2006 among the 4,868 with a school on file
- Record last updated2007 · 63% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207L00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Anesthesiology Physician providers in California
There are 7,571 anesthesiology physician records in California.
All 7,571 in California → Every provider in Santa Ana → Anesthesiology Physician nationwide →
The 8 anesthesiology physician records with the nearest ZIP codes
- Omar Chowdhry, D.O.Santa Ana, CA 927051972735074
- Catherine Chung, MDSanta Ana, CA 927051205820586
- Jennifer Engstrom, MDSanta Ana, CA 927051619050119
- Melisa Erick, MDSanta Ana, CA 927051700921442
- Adam Helberg, MDSanta Ana, CA 927051336133636
- Stanley Hoang, M.D.Santa Ana, CA 927051922392679
- Ji-Guang Jin, MDSanta Ana, CA 927051053305359
- Tan Le, M.D.Santa Ana, CA 927051245205475
Common questions
What is Robert Hoo, MD's NPI number?
Robert Hoo, MD's National Provider Identifier (NPI) is 1952496218, issued on Oct 4, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Robert Hoo, MD located?
The NPPES record lists a practice address at 1001 N Tustin Ave, Santa Ana, CA, 92705. Phone: (714) 835-3555. Providers update this record themselves, so call before visiting.
How can I verify Robert Hoo, MD's license?
NPPES lists California license number G78736, 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.
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.