Guy Gerald Giacopuzzi, DDS
Dentist · Lake Arrowhead, CA
Guy Gerald Giacopuzzi, DDS is a dentist with a practice address in Lake Arrowhead, California, and NPI 1154541506, issued on Apr 26, 2007. Check the license (California 28858, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Guy Gerald Giacopuzzi
- Credential
- DDS
- Primary taxonomy
- Dentist 122300000X
- License number
- 28858 CA
Self-reported in NPPES; status is on the state search - Practice location
- 29099 Hospital Road, Lake Arrowhead, CA 92352
- Phone
- (909) 337-9879
- Enumerated
- Apr 26, 2007
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest dentist records → All 14,729 in California → Look up another NPI →
Also registered at 29099 Hospital Road
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Walter Maier, MD,MPHPreventive Medicine/Occupational Environmental Medicine Physician1235175233
- Jonathan Reed, PTPhysical Therapist1154986420
- Michelle Ricardo, MOTROccupational Therapist1427259795
- Lawrence Walker, MDOrthopaedic Surgery Physician1083619910
- Colton Young, PT, DPTPhysical Medicine & Rehabilitation Physician1730997503
Verify Guy Gerald Giacopuzzi in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 28858Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.6 times the Medicare Part D claims of the average dentist in 2024
221 Medicare Part D claims for 80 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.
Most prescribed
- Chlorhexidine Gluconate124 claims
- Amoxicillin34 claims
- Sodium Fluoride19 claims
- Sodium Fluoride 5000 Dry Mouth11 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.
Guy Gerald Giacopuzzi among 14,729 dentist records in California
Guy Gerald Giacopuzzi, 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 2007, is newer than 18% of them.
- NPI issued2007 · 18% of these records are older, 58% 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).
Dentist providers in California
There are 14,729 dentist records in California.
All 14,729 in California → Every provider in Lake Arrowhead → Dentist nationwide →
The 8 dentist records with the nearest ZIP codes
- Linda Adams, D.D.S.Loma Linda, CA 923541639371701
- Alvin Arafives, DDSLoma Linda, CA 923541255448312
- Yekta AsadiLoma Linda, CA 923501073307757
- Corinne Atiga, DDSLoma Linda, CA 923501447039946
- Sarah BatarsehLoma Linda, CA 923501386496925
- Eun-Hwi Cho, D.D.S.Loma Linda, CA 923541790808434
- Aram Deragobian, DDSLoma Linda, CA 923541508052473
- Jee Hye Huh, DMDLoma Linda, CA 923501407352099
Common questions
What is Guy Gerald Giacopuzzi, DDS's NPI number?
Guy Gerald Giacopuzzi, DDS's National Provider Identifier (NPI) is 1154541506, issued on Apr 26, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Guy Gerald Giacopuzzi, DDS located?
The NPPES record lists a practice address at 29099 Hospital Road, Lake Arrowhead, CA, 92352. Phone: (909) 337-9879. Providers update this record themselves, so call before visiting.
How can I verify Guy Gerald Giacopuzzi, DDS's license?
NPPES lists California license number 28858, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Guy Gerald Giacopuzzi, DDS prescribe under Medicare Part D?
In 2024, Guy Gerald Giacopuzzi, DDS had 221 Medicare Part D claims for 80 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.