Geoffrey Glen Pena, DMD
General Practice Dentistry · Tracy, CA
Geoffrey Glen Pena, DMD is a general practice dentistry with a practice address in Tracy, California, and NPI 1962014282, issued on Aug 18, 2020. Check the license (California 105245, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Geoffrey Glen Pena
- Credential
- DMD
- Primary taxonomy
- General Practice Dentistry 1223G0001X
- License number
- 105245 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1401 W 11TH St Ste A, Tracy, CA 95376
- Phone
- (209) 830-7477
- Enumerated
- Aug 18, 2020
- Record last updated
- Aug 18, 2020 (not updated in 6 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest general practice dentistry records → All 17,852 in California → Look up another NPI →
Also registered at 1401 W 11TH St Ste A
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Carla Pena, D.D.S.General Practice Dentistry1043229297
Verify Geoffrey Glen Pena in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 105245Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
54% fewer Medicare Part D claims than the average general practice dentistry in 2024
38 Medicare Part D claims for 29 beneficiaries, against an average of 83 among the 70,290 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.
Most prescribed
- Amoxicillin33 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.
Geoffrey Glen Pena among 17,852 general practice dentistry records in California
Geoffrey Glen Pena, DMD is one of 17,852 general practice dentistry records with a practice address in California. 57% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2020, is newer than 87% of them.
- NPI issued2020 · 87% of these records are older, 11% newer
- In a Medicare fileYes · 57% of these records are
- In the CMS Doctors and Clinicians fileNo · under 1% of these records are
- Record last updated2020 · 79% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 1223G0001X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
43 general practice dentistry records list a practice address in Tracy
They are 43 of the 1,864 NPPES records with a practice address in Tracy, and 17,852 general practice dentistry records in California.
All 17,852 in California → Every provider in Tracy → General Practice Dentistry nationwide →
The 8 general practice dentistry records with the nearest ZIP codes
- Folashade Akinyemi, D.M.DTracy, CA 953761528167202
- Gurrinder Atwal, DDSTracy, CA 953761598827859
- Nirlep Dhillon, DDSTracy, CA 953761912037599
- Michael Earle, D.D.S.Tracy, CA 953761588786909
- Tae Lee, DDSTracy, CA 953761235207630
- Lance Matsune, D.D.S.Tracy, CA 953761700902863
- Ronald Miller, D.D.STracy, CA 953761871684175
- William Nakaki, DDSTracy, CA 953761588707814
Common questions
What is Geoffrey Glen Pena, DMD's NPI number?
Geoffrey Glen Pena, DMD's National Provider Identifier (NPI) is 1962014282, issued on Aug 18, 2020. An NPI identifies a provider in billing; it is not a license.
Where is Geoffrey Glen Pena, DMD located?
The NPPES record lists a practice address at 1401 W 11TH St Ste A, Tracy, CA, 95376. Phone: (209) 830-7477. Providers update this record themselves, so call before visiting.
How can I verify Geoffrey Glen Pena, DMD's license?
NPPES lists California license number 105245, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Geoffrey Glen Pena, DMD prescribe under Medicare Part D?
In 2024, Geoffrey Glen Pena, DMD had 38 Medicare Part D claims for 29 beneficiaries; the average among general practice dentistry prescribers was 83. 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.