NPPES file of Aug 9, 2026

Gerilynn Gunsalus Okamoto, DDS

Dentist · Pasadena, CA

Gerilynn Gunsalus Okamoto, DDS is a dentist with a practice address in Pasadena, California, and NPI 1255317954, issued on Dec 15, 2005. Check the license (California 44621, 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
1255317954
Name
Gerilynn Gunsalus Okamoto
Credential
DDS
Primary taxonomy
Dentist 122300000X
License number
44621 CA
Self-reported in NPPES; status is on the state search
Practice location
50 Bellefontaine St, Pasadena, CA 91105
Phone
(626) 440-9095
Enumerated
Dec 15, 2005
Record last updated
Jul 13, 2026
Fax
(626) 440-9231
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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Also registered at 50 Bellefontaine St

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Joseph Ahdoot, MDPediatric Cardiology Physician1841272697
  2. Lennis Burke, MDPediatric Cardiology Physician1922080779
  3. Gustavo Calleros, MDFamily Medicine Physician1346358827
  4. Tommy Chen, M.D.Dermatology Physician1326136854
  5. Elizabeth Deoliveira, MDPediatric Cardiology Physician1265414833
  6. John Ho, M.D.Pediatric Cardiology Physician1548478977

Verify Gerilynn Gunsalus Okamoto 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 44621
    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
Find the California license search

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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14% fewer Medicare Part D claims than the average dentist in 2024

74 Medicare Part D claims for 35 beneficiaries, against an average of 86 among the 51,021 providers of this specialty who prescribed in Part D.

  1. Gerilynn Okamoto74
  2. Specialty average86

Most prescribed

  1. Amoxicillin21 claims
  2. Azithromycin15 claims
  3. Ibuprofen15 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.

Gerilynn Gunsalus Okamoto among 14,729 dentist records in California

Gerilynn Gunsalus Okamoto, 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 2005, is newer than 0% of them.

  • NPI issued2005 · 0% of these records are older, 98% 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 updated2026 · 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).

Dentist providers in California

There are 14,729 dentist records in California.

The 8 dentist records with the nearest ZIP codes

  1. Tuyet Ha, DMDPasadena, CA 911051700504248
  2. Rina Jindal, D.D.S.Pasadena, CA 911051780853531
  3. John Khalaf, DDSPasadena, CA 911051548441942
  4. Moon-Hee KoPasadena, CA 911051033402508
  5. Dongbin NamPasadena, CA 911051528401981
  6. Timothy Ngork, DMDPasadena, CA 911051841696168
  7. Robbin Okamoto, DDSPasadena, CA 911051871578013
  8. Matthew Shinto, DDSPasadena, CA 911051083283386

Common questions

What is Gerilynn Gunsalus Okamoto, DDS's NPI number?

Gerilynn Gunsalus Okamoto, DDS's National Provider Identifier (NPI) is 1255317954, issued on Dec 15, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Gerilynn Gunsalus Okamoto, DDS located?

The NPPES record lists a practice address at 50 Bellefontaine St, Pasadena, CA, 91105. Phone: (626) 440-9095. Providers update this record themselves, so call before visiting.

How can I verify Gerilynn Gunsalus Okamoto, DDS's license?

NPPES lists California license number 44621, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.

How much does Gerilynn Gunsalus Okamoto, DDS prescribe under Medicare Part D?

In 2024, Gerilynn Gunsalus Okamoto, DDS had 74 Medicare Part D claims for 35 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.