Thomas I. Lebby, MD
Emergency Medicine Physician · Fountain Valley, CA
Thomas I. Lebby, MD is an emergency medicine physician with a practice address in Fountain Valley, California, and NPI 1619912615, issued on Jun 17, 2006. Check the license (California G68850, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Thomas I. Lebby
- Credential
- MD
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- G68850 CA
Self-reported in NPPES; status is on the state search - Practice location
- 17100 Euclid, Fountain Valley, CA 92708
- Phone
- (714) 966-7200
- Enumerated
- Jun 17, 2006
- Record last updated
- Apr 30, 2008 (not updated in 18 years: call before relying on the address or phone)
- Medicaid ID
- 00G688500 CA
- Medicare enrollment
- Enrolled (PECOS I20051020000506); accepts Medicare assignment
- Medical or professional school
- R Franklin University Of Med & Sci/Chicago Medical School, 1987
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 7,751 in California → Look up another NPI →
Also registered at 17100 Euclid
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Douglas Anderson, MDEmergency Medicine Physician1568405355
- Peter Anderson, MDEmergency Medicine Physician1811941198
- Robert Cockrell, MDEmergency Medicine Physician1447295209
- Stephen Morenz, MDEmergency Medicine Physician1568494896
Verify Thomas I. Lebby in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G68850Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
71% fewer Medicare Part D claims than the average emergency medicine physician in 2024
66 Medicare Part D claims for 48 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. 11 claims were for opioids.
Most prescribed
- Hydrocodone-Acetaminophen11 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.
Bills Medicare through one group practice
- Fountain Valley Emergency Physicians, P.C.Fountain Valley, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Thomas I. Lebby among 7,751 emergency medicine physician records in California
Thomas I. Lebby, MD is one of 7,751 emergency medicine physician records with a practice address in California. 81% 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 4% of them.
- NPI issued2006 · 4% of these records are older, 60% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 59% of these records are
- Graduated1987 · median 2011 among the 4,560 with a school on file
- Record last updated2008 · 59% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Emergency Medicine Physician providers in California
There are 7,751 emergency medicine physician records in California.
All 7,751 in California → Every provider in Fountain Valley → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Peter Anderson, MDFountain Valley, CA 927081811941198
- Douglas Anderson, MDFountain Valley, CA 927081568405355
- Robert Cockrell, MDFountain Valley, CA 927081447295209
- David De Haas, M.D.Fountain Valley, CA 927081760593248
- Douglas Dennis, M.D.Fountain Valley, CA 927081639182280
- Craig Farmer, M.D.Fountain Valley, CA 927081447473921
- Ronald Hitzfield, M.D.Fountain Valley, CA 927081164435715
- Theresa Maestas, MDFountain Valley, CA 927081043242373
Common questions
What is Thomas I. Lebby, MD's NPI number?
Thomas I. Lebby, MD's National Provider Identifier (NPI) is 1619912615, issued on Jun 17, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Thomas I. Lebby, MD located?
The NPPES record lists a practice address at 17100 Euclid, Fountain Valley, CA, 92708. Phone: (714) 966-7200. Providers update this record themselves, so call before visiting.
How can I verify Thomas I. Lebby, MD's license?
NPPES lists California license number G68850, 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 Thomas I. Lebby, MD prescribe under Medicare Part D?
In 2024, Thomas I. Lebby, MD had 66 Medicare Part D claims for 48 beneficiaries; the average among emergency medicine physician prescribers was 226. 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.