Timothy R. Twombly, D.C.
Chiropractor · Irvine, CA
Timothy R. Twombly, D.C. is a chiropractor with a practice address in Irvine, California, and NPI 1992830285, issued on Feb 23, 2007. Check the license (California 12297, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Timothy R. Twombly
- Credential
- D.C.
- Primary taxonomy
- Chiropractor 111N00000X
- License number
- 12297 CA
Self-reported in NPPES; status is on the state search - Practice location
- 14150 Culver Dr, Irvine, CA 92604
- Phone
- (949) 857-1888
- Enumerated
- Feb 23, 2007
- Record last updated
- Aug 17, 2018 (not updated in 8 years: call before relying on the address or phone)
- Fax
- (949) 857-4536
- Medicare enrollment
- Enrolled (PECOS I20040526001529); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest chiropractor records → All 11,498 in California → Look up another NPI →
Also registered at 14150 Culver Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Nader AfsharAcupuncturist1619095619
- Parvin Afshar, M.D.Psychiatry Physician1437247335
- Farid AzhirMarriage & Family Therapist1114243763
- Manal Aziz, DDSDentist1972664985
- Nasrin Brokhim, D.M.D.Dentist1700919511
- Michael Dogali, M.D.Neurological Surgery Physician1184645665
Verify Timothy R. Twombly in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 12297Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Bills Medicare through one group practice
- Timothy R Twombly DC And Kenneth D Erickson DC A Chiropractic CorpIrvine, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Timothy R. Twombly among 11,498 chiropractor records in California
Timothy R. Twombly, D.C. is one of 11,498 chiropractor records with a practice address in California. 7% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 35% of them.
- NPI issued2007 · 35% of these records are older, 45% newer
- In a Medicare fileYes · 7% of these records are
- In the CMS Doctors and Clinicians fileYes · 25% of these records are
- Graduated1978 · median 1999 among the 2,907 with a school on file
- Record last updated2018 · 77% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 111N00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
136 chiropractor records list a practice address in Irvine
They are 136 of the 7,778 NPPES records with a practice address in Irvine, and 11,498 chiropractor records in California.
All 11,498 in California → Every provider in Irvine → Chiropractor nationwide →
The 8 chiropractor records with the nearest ZIP codes
- Fabiana Bamberger, DCIrvine, CA 926041861504011
- Jon Brunelle, D.C.Irvine, CA 926041811037393
- Kenneth Erickson, D.C.Irvine, CA 926041306971601
- Raymond Ganem, D.C.Irvine, CA 926041457490260
- Candice Hall, D.C.Irvine, CA 926041295880920
- Thomas Kweon, D.C.Irvine, CA 926041134253909
- John Lee, D.C.Irvine, CA 926041447314257
- Rick Letts, D.C., Q.M.E.Irvine, CA 926041740348036
Common questions
What is Timothy R. Twombly, D.C.'s NPI number?
Timothy R. Twombly, D.C.'s National Provider Identifier (NPI) is 1992830285, issued on Feb 23, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Timothy R. Twombly, D.C. located?
The NPPES record lists a practice address at 14150 Culver Dr, Irvine, CA, 92604. Phone: (949) 857-1888. Providers update this record themselves, so call before visiting.
How can I verify Timothy R. Twombly, D.C.'s license?
NPPES lists California license number 12297, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity 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.