Gregory L. Johnson, DDS
General Practice Dentistry · Huntington Beach, CA
Gregory L. Johnson, DDS is a general practice dentistry with a practice address in Huntington Beach, California, and NPI 1285753665, issued on Mar 28, 2007. Check the license (California 44603, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Gregory L. Johnson
- Credential
- DDS
- Primary taxonomy
- General Practice Dentistry 1223G0001X
- License number
- 44603 CA
Self-reported in NPPES; status is on the state search - Practice location
- 16901 Algonquin St, Huntington Beach, CA 92649
- Phone
- (714) 846-0638
- Enumerated
- Mar 28, 2007
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (714) 840-5979
- Entity
- Type 1 · individual
8 nearest general practice dentistry records → All 17,852 in California → Look up another NPI →
Verify Gregory L. Johnson in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 44603Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
87% more Medicare Part D claims than the average general practice dentistry in 2024
155 Medicare Part D claims for 104 beneficiaries, against an average of 83 among the 70,290 providers of this specialty who prescribed in Part D.
Most prescribed
- Amoxicillin51 claims
- Penicillin V Potassium35 claims
- Ibuprofen26 claims
- Clindamycin Hcl19 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.
Industry payments in 2024: $100.94
3 payments; by number, the most common kind was gift; the largest payer was Ultradent Products Inc. The 41,669 providers of this specialty with any payment received $597.01 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Gregory L. Johnson among 17,852 general practice dentistry records in California
Gregory L. Johnson, DDS 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 2007, is newer than 29% of them.
- NPI issued2007 · 29% of these records are older, 40% 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 updated2007 · 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).
107 general practice dentistry records list a practice address in Huntington Beach
They are 107 of the 4,031 NPPES records with a practice address in Huntington Beach, and 17,852 general practice dentistry records in California.
All 17,852 in California → Every provider in Huntington Beach → General Practice Dentistry nationwide →
The 8 general practice dentistry records with the nearest ZIP codes
- Gilda Banta, DDSHuntington Beach, CA 926491073602652
- Titi Dang, DMDHuntington Beach, CA 926491295743334
- Andrew Do, DDSHuntington Beach, CA 926491073365441
- Altaf Hudani, D.D.SHuntington Beach, CA 926491194977090
- Robert Lake, D.D.S.Huntington Beach, CA 926491568589463
- Jayne McKay, DDSHuntington Beach, CA 926491376713735
- Jon Orcher, DDS DOCTOR OF DENTALHuntington Beach, CA 926491831252261
- Carla Rimoldi, DDSHuntington Beach, CA 926491669584843
Common questions
What is Gregory L. Johnson, DDS's NPI number?
Gregory L. Johnson, DDS's National Provider Identifier (NPI) is 1285753665, issued on Mar 28, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Gregory L. Johnson, DDS located?
The NPPES record lists a practice address at 16901 Algonquin St, Huntington Beach, CA, 92649. Phone: (714) 846-0638. Providers update this record themselves, so call before visiting.
How can I verify Gregory L. Johnson, DDS's license?
NPPES lists California license number 44603, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Gregory L. Johnson, DDS prescribe under Medicare Part D?
In 2024, Gregory L. Johnson, DDS had 155 Medicare Part D claims for 104 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.