Gregory L. Johnson, DDS
- Part D claims, 2026
- 155
- Industry payments
- $225
- Affiliated sites
- 2
- State license
- 1
- Year NPI issued
- 2007
- Practice address
- 7071 Warner Ave Ste A, Huntington Beach, CA 92647
- Practice phone
- Call (714) 847-3800
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
California Rehabilitation and Sports Therapy - Huntington Beach, Warner Ave.
Multi-Specialty Rehab Clinic · Huntington Beach, California
Find Gregory Johnson's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Gregory L. Johnson is a general practice dentistry in Huntington Beach, California
Gregory Johnson practices at California Rehabilitation and Sports Therapy - Huntington Beach, Warner Ave. in Huntington Beach, California.
Gregory Johnson's NPI, 1285753665, was assigned on March 28, 2007. Gregory Johnson holds California license 44603.
- NPI
- 1285753665NPI Registry (opens in a new tab)
- NPI enumeration date
- March 28, 2007
- NPI status
- Active
- Practice phone
- (714) 847-3800
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Gregory L. Johnson practices at California Rehabilitation and Sports Therapy - Huntington Beach, Warner Ave. in Huntington Beach, California
Gregory Johnson's primary practice is California Rehabilitation and Sports Therapy - Huntington Beach, Warner Ave., at 7071 Warner Ave Ste A, Huntington Beach, CA 92647. The practice phone is (714) 847-3800.
- California Rehabilitation and Sports Therapy - Huntington Beach, Warner Ave.7071 Warner Ave Ste A, Huntington Beach, CA 92647Phone(714) 847-3800
Source: Dmand AI Affiliation Data
Gregory L. Johnson is affiliated with 2 sites of care
Gregory Johnson's primary practice is California Rehabilitation and Sports Therapy - Huntington Beach, Warner Ave. in Huntington Beach, California. Dmand AI also links Gregory Johnson to 1 physician office, named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Gregory L. Johnson's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Gregory Johnson practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| California Rehabilitation and Sports Therapy - Huntington Beach, Warner Ave. | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Gregory L. Johnson is one of 7,627 general practice dentistrys in California
General practice is Gregory Johnson's primary specialty in the NPI Registry, under taxonomy code 1223G0001X. Gregory Johnson is licensed in California.
Specialties and state licenses
- General practice dentistry, CaliforniaPrimary
General practice dentistrys near Gregory Johnson
Counts of general practice dentistrys with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Gregory L. Johnson's patients have a median age of 23
Across all payers, Dmand AI patient panel data puts Gregory Johnson's median patient age at 23, with 50% women.
Gregory Johnson's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 23
Patient panel by sex, all payers
- Women50%
- Men50%
Source: Dmand AI Patient Panel Data
Gregory L. Johnson wrote 155 Medicare Part D claims in 2026
In 2026, Gregory Johnson wrote 155 Medicare Part D claims for 104 patients. 98% of them were for generic drugs.
Gregory Johnson's Part D claims by kind of drug, 2026
- Generic152 claims98%
- Brand-name and other3 claims2%
Drug classes CMS tracks in Gregory Johnson's Part D claims, 2026
- Antibiotics75%116 of 155 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Source: Medicare Part D Prescribers - by Provider (CMS), 2026 data
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Gregory L. Johnson received $225 in industry payments in 2025
CMS Open Payments shows 5 general payments to Gregory Johnson from 1 drug or device company in 2025. Food and beverage make up the largest share, 100% of the total. Straumann USA LLC paid the most, $225.
Companies that paid Gregory Johnson the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Gregory L. Johnson's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| Part D prescribing | Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Gregory L. Johnson
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Gregory L. Johnson's NPI number?
Gregory L. Johnson's NPI number is 1285753665. It was assigned on March 28, 2007, and it is active in the NPI Registry.
What does Gregory L. Johnson specialize in?
Gregory L. Johnson is a general practice dentistry in Huntington Beach, California. The primary specialty in the NPI Registry is General Practice Dentistry (taxonomy code 1223G0001X).
Where does Gregory L. Johnson practice?
Gregory Johnson practices at 7071 Warner Ave Ste A, Huntington Beach, CA 92647. Gregory Johnson's primary practice is California Rehabilitation and Sports Therapy - Huntington Beach, Warner Ave. in Huntington Beach, California. Dmand AI also links Gregory Johnson to 1 physician office, and a free account names each one.
What is Gregory L. Johnson's office phone number?
The practice phone on file for Gregory Johnson is (714) 847-3800. Dmand AI also checks direct phone and mobile numbers, available with a free account.
What is Gregory L. Johnson's email address?
Dmand AI checks professional and personal email addresses for Gregory Johnson through healthcare-specific waterfall enrichment. They are available with a free Dmand AI account.
What is Gregory L. Johnson's medical license number?
Gregory Johnson holds California license 44603.
Has Gregory L. Johnson received payments from drug or device companies?
CMS Open Payments shows $225 in general payments to Gregory Johnson from 1 company from 2025 to 2025. The largest total came from Straumann USA LLC.
How long has Gregory L. Johnson been practicing?
Gregory Johnson's NPI was assigned in 2007.
What EHR does Gregory L. Johnson's practice use?
Dmand AI tracks the EHR system at California Rehabilitation and Sports Therapy - Huntington Beach, Warner Ave. and at 1 more affiliated site. The vendor and product are available with a free Dmand AI account.
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