NPPES file of Aug 9, 2026

Elizabeth B. Nichols, DDS

Dentist · Concord, CA

Elizabeth B. Nichols, DDS is a dentist with a practice address in Concord, California, and NPI 1255429296, issued on Oct 11, 2006. Check the license (California 45597, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1255429296
Name
Elizabeth B. Nichols
Credential
DDS
Primary taxonomy
Dentist 122300000X
License number
45597 CA
Self-reported in NPPES; status is on the state search
Practice location
2608 Concord Blvd, Concord, CA 94519
Phone
(925) 685-5764
Enumerated
Oct 11, 2006
Record last updated
Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
Fax
(925) 825-4514
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Verify Elizabeth B. Nichols in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich California board licenses this profession
    Search for license 45597
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
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PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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65% fewer Medicare Part D claims than the average dentist in 2024

30 Medicare Part D claims for 19 beneficiaries, against an average of 86 among the 51,021 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.

  1. Elizabeth Nichols30
  2. Specialty average86

Most prescribed

  1. Amoxicillin14 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.

Elizabeth B. Nichols among 14,729 dentist records in California

Elizabeth B. Nichols, DDS is one of 14,729 dentist records with a practice address in California. 56% 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 2% of them.

  • NPI issued2006 · 2% of these records are older, 82% newer
  • In a Medicare fileYes · 56% of these records are
  • In the CMS Doctors and Clinicians fileNo · under 1% of these records are
  • Record last updated2007 · 73% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 122300000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

45 dentist records list a practice address in Concord

They are 45 of the 9,328 NPPES records with a practice address in Concord, and 14,729 dentist records in California.

The 8 dentist records with the nearest ZIP codes

  1. Lidia Albert-Costisevschi, D.D.S.Concord, CA 945191912036252
  2. Rosalyn Burke, DDSConcord, CA 945191770708877
  3. Darryl Chan, D.D.S.Concord, CA 945191982823415
  4. Melanie Gaglioti, DDSConcord, CA 945191609242346
  5. Alexander Ham, D.D.SConcord, CA 945191821150582
  6. Peter Komor, DDSConcord, CA 945191083720254
  7. Farahnaz Nassen, DDSConcord, CA 945191699757773
  8. Jason Renner, D.D.S.Concord, CA 945191942416441

Common questions

What is Elizabeth B. Nichols, DDS's NPI number?

Elizabeth B. Nichols, DDS's National Provider Identifier (NPI) is 1255429296, issued on Oct 11, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Elizabeth B. Nichols, DDS located?

The NPPES record lists a practice address at 2608 Concord Blvd, Concord, CA, 94519. Phone: (925) 685-5764. Providers update this record themselves, so call before visiting.

How can I verify Elizabeth B. Nichols, DDS's license?

NPPES lists California license number 45597, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.

How much does Elizabeth B. Nichols, DDS prescribe under Medicare Part D?

In 2024, Elizabeth B. Nichols, DDS had 30 Medicare Part D claims for 19 beneficiaries; the average among dentist prescribers was 86. 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.