Dr. David E. Ruiz, MD
- Part D claims, 2024
- 793
- Industry payments
- $237
- Affiliated sites
- 1
- Medical group
- 1
- State license
- 1
- Practice address
- 7373 West Ln, Stockton, CA 95210
- Practice phone
- Call (209) 476-2000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Permanente Medical Group Inc
Stockton, California
Find Dr. Ruiz'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.
Dr. David E. Ruiz is a dermatologist in Stockton, California
Dr. Ruiz practices at Permanente Medical Group Inc in Stockton, California.
Dr. Ruiz's NPI, 1467491183, was assigned on June 6, 2006. Dr. Ruiz graduated from Loma Linda University School of Medicine in 1984. Dr. Ruiz holds Tennessee license 18419.
- NPI
- 1467491183NPI Registry (opens in a new tab)
- Medicare PAC ID
- 9537191481
- NPI enumeration date
- June 6, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (209) 476-2000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 68
- Medical school graduation
- 1984
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. David E. Ruiz practices at Permanente Medical Group Inc in Stockton, California
Dr. Ruiz's primary practice is Permanente Medical Group Inc, at 7373 West Ln, Stockton, CA 95210 in San Joaquin County. The practice phone is (209) 476-2000.
- Permanente Medical Group Inc7373 West Ln, Stockton, CA 95210 · San Joaquin CountyPhone(209) 476-2000
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. David E. Ruiz is affiliated with 2 sites of care and 1 medical group
Dr. Ruiz's primary practice is Permanente Medical Group Inc in Stockton, California. The medical group on file is The Permanente Medical Group, Inc. Dmand AI also links Dr. Ruiz to 1 more group practice or clinic, named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. David E. Ruiz's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Ruiz practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Permanente Medical Group Inc | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. David E. Ruiz is one of 1,910 dermatologists in California
Dermatology is Dr. Ruiz's primary specialty in the NPI Registry, under taxonomy code 207N00000X. Dr. Ruiz is licensed in Tennessee.
Specialties and state licenses
- Dermatology, TennesseePrimary
Dermatologists near Dr. Ruiz
Counts of dermatologists 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
Dr. David E. Ruiz's patients have a median age of 43
Across all payers, Dmand AI patient panel data puts Dr. Ruiz's median patient age at 43, with 60% women.
Dr. Ruiz's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 43
Patient panel by sex, all payers
- Women60%
- Men39%
Source: Dmand AI Patient Panel Data
Dr. David E. Ruiz wrote 793 Medicare Part D claims in 2024
In 2024, Dr. Ruiz wrote 793 Medicare Part D claims for 320 patients. 82% of them were for generic drugs. CMS names the drug for 683 of them, across 21 drugs with 11 or more claims each, at $266,322 in total drug cost. In 2023, CMS named 533 claims across 17 drugs.
Dr. Ruiz's Part D claims by kind of drug, 2024
- Generic647 claims82%
- Brand-name146 claims18%
Dr. Ruiz's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Dr. Ruiz's Part D claims, 2024
- Antibiotics7%59 of 793 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 5332024: 68328%
Drugs named by CMS: 21 in 2024, 17 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
How Dr. David E. Ruiz takes part in Medicare
Dr. Ruiz accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Removal of skin lesions: 1 to 10 procedures (CMS shows small counts as a range)
Skin biopsy: 1 to 10 procedures (CMS shows small counts as a range)
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
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Dr. David E. Ruiz received $237 in industry payments from 2016 to 2019
CMS Open Payments shows 6 general payments to Dr. Ruiz from 4 drug and device companies from 2016 to 2019. Food and beverage make up the largest share, 100% of the total. Celgene Corporation paid the most, $142.
General payments to Dr. Ruiz by program year, 2016 to 2019
Companies that paid Dr. Ruiz the most, 2016 to 2019
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. David E. Ruiz graduated from Loma Linda University School of Medicine
Dr. Ruiz graduated from Loma Linda University School of Medicine in 1984.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. David E. Ruiz'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 Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| 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 Dr. David E. Ruiz
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. David E. Ruiz's NPI number?
Dr. David E. Ruiz's NPI number is 1467491183. It was assigned on June 6, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. David E. Ruiz?
Dr. David E. Ruiz is a dermatologist in Stockton, California. The primary specialty in the NPI Registry is Dermatology Physician (taxonomy code 207N00000X).
Where does Dr. David E. Ruiz practice?
Dr. Ruiz practices at 7373 West Ln, Stockton, CA 95210. Dr. Ruiz's primary practice is Permanente Medical Group Inc in Stockton, California. Dmand AI also links Dr. Ruiz to 1 group practice or clinic.
What is Dr. David E. Ruiz's office phone number?
The practice phone on file for Dr. Ruiz is (209) 476-2000.
What is Dr. David E. Ruiz's medical license number?
Dr. Ruiz holds Tennessee license 18419.
What medical group is Dr. David E. Ruiz part of?
Dr. Ruiz is linked to The Permanente Medical Group, Inc.
Does Dr. David E. Ruiz accept Medicare?
Yes. CMS lists Dr. Ruiz as accepting Medicare assignment.
Where did Dr. David E. Ruiz go to medical school?
Dr. Ruiz graduated from Loma Linda University School of Medicine in 1984.
What drugs does Dr. David E. Ruiz prescribe most?
In 2024 Medicare Part D data, Dr. Ruiz's most prescribed drugs by claims were Clobetasol Propionate, Fluorouracil and Cosentyx Sensoready (2 Pens).
Has Dr. David E. Ruiz received payments from drug or device companies?
CMS Open Payments shows $237 in general payments to Dr. Ruiz from 4 companies from 2016 to 2019. The largest total came from Celgene Corporation.
How long has Dr. David E. Ruiz been practicing?
Dr. Ruiz graduated from medical school in 1984, 42 years ago.
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