Shannon Louise Toohey, MD
Emergency Medical Services (Emergency Medicine) Physician · Orange, CA
Shannon Louise Toohey, MD is an emergency medical services (emergency medicine) physician with a practice address in Orange, California, and NPI 1033418801, issued on Mar 19, 2011. Check the license (California A125633, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Shannon Louise Toohey
- Credential
- MD
- Primary taxonomy
- Emergency Medical Services (Emergency Medicine) Physician 207PE0004X
- License number
- A125633 CA
Self-reported in NPPES; status is on the state search - Practice location
- 101 The City Drive South, Orange, CA 92868
- Phone
- (715) 456-5239
- Enumerated
- Mar 19, 2011
- Record last updated
- Jan 5, 2015 (not updated in 11 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest emergency medical services (emergency medicine) physician records → All 233 in California → Look up another NPI →
Also registered at 101 The City Drive South
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Shannon Louise Toohey in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A125633Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
66% fewer Medicare Part D claims than the average emergency medical services (emergency medicine) physician in 2024
99 Medicare Part D claims for 56 beneficiaries, against an average of 292 among the 1,653 providers of this specialty who prescribed in Part D.
Most prescribed
- Cefdinir14 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.
Shannon Louise Toohey among 233 emergency medical services (emergency medicine) physician records in California
Shannon Louise Toohey, MD is one of 233 emergency medical services (emergency medicine) physician records with a practice address in California. 69% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2011, is newer than 73% of them.
- NPI issued2011 · 73% of these records are older, 24% newer
- In a Medicare fileYes · 69% of these records are
- In the CMS Doctors and Clinicians fileNo · 42% of these records are
- Record last updated2015 · 68% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207PE0004X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Emergency Medical Services (Emergency Medicine) Physician providers in California
There are 233 emergency medical services (emergency medicine) physician records in California.
All 233 in California → Every provider in Orange → Emergency Medical Services (Emergency Medicine) Physician nationwide →
The 8 emergency medical services (emergency medicine) physician records with the nearest ZIP codes
- Lori Ludeman, MDOrange, CA 928681982010013
- Matthew Mullarky, MDOrange, CA 928681639124811
- Amir Rahimian, MD, MPHOrange, CA 928681669092557
- Heather Mineo, DVM, DACVECCPlacentia, CA 928701003441148
- Anson Lam, MDFullerton, CA 928351528121845
- Frederick Mading, MDAnaheim, CA 928071215980248
- Richard Swartzentruber, MDAnaheim, CA 928071134175391
- Richard Cegelski, M.D.Ventura, CA 930031235390071
Common questions
What is Shannon Louise Toohey, MD's NPI number?
Shannon Louise Toohey, MD's National Provider Identifier (NPI) is 1033418801, issued on Mar 19, 2011. An NPI identifies a provider in billing; it is not a license.
Where is Shannon Louise Toohey, MD located?
The NPPES record lists a practice address at 101 The City Drive South, Orange, CA, 92868. Phone: (715) 456-5239. Providers update this record themselves, so call before visiting.
How can I verify Shannon Louise Toohey, MD's license?
NPPES lists California license number A125633, 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 Shannon Louise Toohey, MD prescribe under Medicare Part D?
In 2024, Shannon Louise Toohey, MD had 99 Medicare Part D claims for 56 beneficiaries; the average among emergency medical services (emergency medicine) physician prescribers was 292. 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.