Duffy Charles De Graw, DDS
- Part D claims, 2024
- 160
- Industry payments
- $819
- Affiliated sites
- 1
- Medical group
- 1
- State license
- 1
- Practice address
- 2238 Bayview Heights Dr Ste F Suite F, Los Osos, CA 93402-3932
- Practice phone
- Call (805) 528-3000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Duffy C. De Graw
Dental practice · Los Osos, California
Find Duffy De Graw'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.
Duffy Charles De Graw is a general practice dentistry in Paso Robles, California
Duffy De Graw practices at Duffy C. De Graw in Los Osos, California.
Duffy De Graw's NPI, 1013172196, was assigned on July 28, 2008. Duffy De Graw holds California license 57262.
- NPI
- 1013172196NPI Registry (opens in a new tab)
- NPI enumeration date
- July 28, 2008
- NPI status
- Active
- Practice phone
- (805) 528-3000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Duffy Charles De Graw practices in Los Osos and Paso Robles
Duffy De Graw's primary practice is Duffy C. De Graw, at 2238 Bayview Heights Dr Ste F Suite F, Los Osos, CA 93402-3932. The practice phone is (805) 528-3000. The NPI Registry lists Duffy De Graw's practice address as 922 Walnut Dr, Paso Robles, CA 93446.
- Duffy C. De GrawPrimary2238 Bayview Heights Dr Ste F Suite F, Los Osos, CA 93402-3932Phone(805) 528-3000
- NPI Registry address922 Walnut Dr, Paso Robles, CA 93446Phone(805) 226-9808
Sources: NPPES NPI Registry (CMS); Dmand AI Affiliation Data; Doctors and Clinicians National Downloadable File (CMS); and Dmand AI Practice Data
Duffy Charles De Graw is affiliated with 1 site of care and 1 medical group
Duffy De Graw's primary practice is Duffy C. De Graw in Los Osos, California. Dmand AI also links Duffy De Graw to 1 medical group, named with a free account.
Sources: Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dmand AI tracks the EHR system at Duffy Charles De Graw's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Duffy De Graw practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Duffy C. De Graw | Available with a free account |
| +1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Duffy Charles De Graw is one of 7,627 general practice dentistrys in California
General practice is Duffy De Graw's primary specialty in the NPI Registry, under taxonomy code 1223G0001X. Duffy De Graw is licensed in California.
Specialties and state licenses
- General practice dentistry, CaliforniaPrimary
General practice dentistrys near Duffy De Graw
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
Duffy Charles De Graw wrote 160 Medicare Part D claims in 2024
In 2024, Duffy De Graw wrote 160 Medicare Part D claims for 109 patients. 96% of them were for generic drugs.
Duffy De Graw's Part D claims by kind of drug, 2024
- Generic154 claims96%
- Brand-name and other6 claims4%
Drug classes CMS tracks in Duffy De Graw's Part D claims, 2024
- Opioids10%16 of 160 claims
- Antibiotics68%109 of 160 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), 2024 data
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Duffy Charles De Graw received $819 in industry payments in 2025
CMS Open Payments shows 2 general payments to Duffy De Graw from 2 drug and device companies in 2025. Food and beverage make up the largest share, 100% of the total. Dentsply Sirona Inc paid the most, $771.
Companies that paid Duffy De Graw 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 Duffy Charles De Graw'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 | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| 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 Duffy Charles De Graw
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Duffy Charles De Graw's NPI number?
Duffy Charles De Graw's NPI number is 1013172196. It was assigned on July 28, 2008, and it is active in the NPI Registry.
What does Duffy Charles De Graw specialize in?
Duffy Charles De Graw is a general practice dentistry in Paso Robles, California. The primary specialty in the NPI Registry is General Practice Dentistry (taxonomy code 1223G0001X).
Where does Duffy Charles De Graw practice?
Duffy De Graw practices at 2238 Bayview Heights Dr Ste F Suite F, Los Osos, CA 93402-3932. Duffy De Graw also practices at 922 Walnut Dr, Paso Robles, CA 93446. Duffy De Graw's primary practice is Duffy C. De Graw in Los Osos, California. Dmand AI also links Duffy De Graw to 1 medical group.
What is Duffy Charles De Graw's office phone number?
The practice phone on file for Duffy De Graw is (805) 528-3000.
What is Duffy Charles De Graw's medical license number?
Duffy De Graw holds California license 57262.
Has Duffy Charles De Graw received payments from drug or device companies?
CMS Open Payments shows $819 in general payments to Duffy De Graw from 2 companies from 2025 to 2025. The largest total came from Dentsply Sirona Inc.
How long has Duffy Charles De Graw been practicing?
Duffy De Graw's NPI was assigned in 2008.
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