Guy Daniel Seydel
- Part D claims, 2024
- 173
- Affiliated sites
- 2
- Medical groups
- 2
- State license
- 1
- Year NPI issued
- 2007
- 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 Guy Seydel'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.
Guy Daniel Seydel is an optometrist in Stockton, California
Guy Seydel practices at Permanente Medical Group Inc in Stockton, California.
Guy Seydel's NPI, 1023167921, was assigned on January 9, 2007. Guy Seydel holds California license 12003T.
- NPI
- 1023167921NPI Registry (opens in a new tab)
- Medicare PAC ID
- 5698830974
- NPI enumeration date
- January 9, 2007
- 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
- 54
- Medical school graduation
- 1998
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Guy Daniel Seydel practices at Permanente Medical Group Inc in Stockton, California
Guy Seydel'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
Guy Daniel Seydel is affiliated with 3 sites of care and 2 medical groups
Guy Seydel'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 Guy Seydel to 2 more group practices and clinics and 1 medical group, each 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 Guy Daniel Seydel's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Guy Seydel practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Permanente Medical Group Inc | Available with a free account |
| +2 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
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Guy Daniel Seydel is one of 7,206 optometrists in California
Optometrist is Guy Seydel's primary specialty in the NPI Registry, under taxonomy code 152W00000X. Guy Seydel is licensed in California.
Specialties and state licenses
- Optometrist, CaliforniaPrimary
Optometrists near Guy Seydel
Counts of optometrists 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
Guy Daniel Seydel's patients have a median age of 55
Across all payers, Dmand AI patient panel data puts Guy Seydel's median patient age at 55, with 62% women.
Guy Seydel's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 55
Patient panel by sex, all payers
- Women62%
- Men37%
Source: Dmand AI Patient Panel Data
Guy Daniel Seydel wrote 173 Medicare Part D claims in 2024
In 2024, Guy Seydel wrote 173 Medicare Part D claims for 72 patients. 76% of them were for generic drugs.
Guy Seydel's Part D claims by kind of drug, 2024
- Generic132 claims76%
- Brand-name41 claims24%
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
How Guy Daniel Seydel takes part in Medicare
Guy Seydel accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
For MedTech and pharma teams
Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Sources for Guy Daniel Seydel'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 (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) |
| 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 Guy Daniel Seydel
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Guy Daniel Seydel's NPI number?
Guy Daniel Seydel's NPI number is 1023167921. It was assigned on January 9, 2007, and it is active in the NPI Registry.
What does Guy Daniel Seydel specialize in?
Guy Daniel Seydel is an optometrist in Stockton, California. The primary specialty in the NPI Registry is Optometrist (taxonomy code 152W00000X).
Where does Guy Daniel Seydel practice?
Guy Seydel practices at 7373 West Ln, Stockton, CA 95210. Guy Seydel's primary practice is Permanente Medical Group Inc in Stockton, California. Dmand AI also links Guy Seydel to 2 group practices and clinics and 1 medical group.
What is Guy Daniel Seydel's office phone number?
The practice phone on file for Guy Seydel is (209) 476-2000.
What is Guy Daniel Seydel's medical license number?
Guy Seydel holds California license 12003T.
What medical group is Guy Daniel Seydel part of?
Guy Seydel is linked to The Permanente Medical Group, Inc. Dmand AI links Guy Seydel to 1 more medical group.
Does Guy Daniel Seydel accept Medicare?
Yes. CMS lists Guy Seydel as accepting Medicare assignment.
How long has Guy Daniel Seydel been practicing?
Guy Seydel graduated from medical school in 1998, 28 years ago.
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