David Allen Warner, D.D.S.
Periodontics · Whittier, CA
David Allen Warner, D.D.S. is a periodontics with a practice address in Whittier, California, and NPI 1740463769, issued on Dec 12, 2007. Check the license (California 28105, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- David Allen Warner
- Credential
- D.D.S.
- Primary taxonomy
- Periodontics 1223P0300X
- License number
- 28105 CA
Self-reported in NPPES; status is on the state search - Practice location
- 9209 Colima RD, Whittier, CA 90605
- Phone
- (562) 945-7621
- Enumerated
- Dec 12, 2007
- Record last updated
- Dec 12, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (562) 945-7622
- Entity
- Type 1 · individual
8 nearest periodontics records → All 929 in California → Look up another NPI →
Also registered at 9209 Colima RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- George Chakmakjian, D.D.S.Dentist1902011935
- Bryan Doo, M.D.Infectious Disease Physician1962500058
- Jeffrey Horseman, D.D.S.General Practice Dentistry1104833623
- Odette Khalil, PHARM.D.Pharmacist1649272428
- Arturo Lopez, M.D.Family Medicine Physician1174560171
- Bruce Marquez, M.D.Psychiatry Physician1679753586
Verify David Allen Warner in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 28105Check 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 periodontics in 2024
93 Medicare Part D claims for 27 beneficiaries, against an average of 277 among the 4,191 providers of this specialty who prescribed in Part D. 19 claims were for opioids.
Most prescribed
- Doxycycline Hyclate36 claims
- Amoxicillin19 claims
- Hydrocodone-Acetaminophen19 claims
- Chlorhexidine Gluconate12 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.
David Allen Warner among 929 periodontics records in California
David Allen Warner, D.D.S. is one of 929 periodontics 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 2007, is newer than 29% of them.
- NPI issued2007 · 29% of these records are older, 40% newer
- In a Medicare fileYes · 69% of these records are
- In the CMS Doctors and Clinicians fileNo · under 1% of these records are
- Record last updated2007 · 78% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 1223P0300X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Periodontics providers in California
There are 929 periodontics records in California.
All 929 in California → Every provider in Whittier → Periodontics nationwide →
The 8 periodontics records with the nearest ZIP codes
- Thomas Gaffaney, D.D.S.Whittier, CA 906051275625774
- James Cheng, DDSWhittier, CA 906061497682306
- Fabrizio Dall'Olmo, D.D.S.Whittier, CA 906021881963742
- Rudolph Gamarnik, DDSCypress, CA 906301730297888
- Ramtin Khaef, DMDCypress, CA 906301558596395
- Alex Pezeshkian, DMDCypress, CA 906301538332028
- Donald PhamCypress, CA 906301649877994
- Roy Yoo, D.M.D.Cypress, CA 906301205018918
Common questions
What is David Allen Warner, D.D.S.'s NPI number?
David Allen Warner, D.D.S.'s National Provider Identifier (NPI) is 1740463769, issued on Dec 12, 2007. An NPI identifies a provider in billing; it is not a license.
Where is David Allen Warner, D.D.S. located?
The NPPES record lists a practice address at 9209 Colima RD, Whittier, CA, 90605. Phone: (562) 945-7621. Providers update this record themselves, so call before visiting.
How can I verify David Allen Warner, D.D.S.'s license?
NPPES lists California license number 28105, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does David Allen Warner, D.D.S. prescribe under Medicare Part D?
In 2024, David Allen Warner, D.D.S. had 93 Medicare Part D claims for 27 beneficiaries; the average among periodontics prescribers was 277. 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.