Anthony John E. Castanares, OD
- Medicare patients, 2024
- 19
- Part D claims, 2024
- 43
- Industry payments
- $136
- Affiliated sites
- 2
- Medical groups
- 3
- 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 Anthony Castanares' 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.
Anthony John E. Castanares is an optometrist in Stockton, California
Anthony Castanares practices at Permanente Medical Group Inc in Stockton, California.
Anthony Castanares' NPI, 1235629361, was assigned on May 15, 2018. Anthony Castanares graduated from Southern California College of Optometry in 2017.
- NPI
- 1235629361NPI Registry (opens in a new tab)
- Medicare PAC ID
- 3779834874
- NPI enumeration date
- May 15, 2018
- 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
- 35
- Medical school graduation
- 2017
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Anthony John E. Castanares practices at Permanente Medical Group Inc in Stockton, California
Anthony Castanares' 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
Anthony John E. Castanares is affiliated with 3 sites of care and 3 medical groups
Anthony Castanares' 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 Anthony Castanares to 2 more group practices and clinics and 2 medical groups, 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 Anthony John E. Castanares' practice
Dmand AI tracks the electronic health record (EHR) system at each site where Anthony Castanares 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 2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Anthony John E. Castanares is one of 7,206 optometrists in California
Optometrist is Anthony Castanares' primary specialty in the NPI Registry, under taxonomy code 152W00000X.
Specialties and state licenses
- OptometristPrimary
Optometrists near Anthony Castanares
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
Anthony John E. Castanares treated 19 Medicare patients in 2024, average age 70
CMS counts 19 Medicare patients who saw Anthony Castanares in 2024. 74% of them have high blood pressure. Their average risk score is 0.89, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Anthony Castanares' median patient age at 48, with 62% women.
Chronic conditions among Anthony Castanares' Medicare patients, 2024
- High blood pressure74%
Share of Medicare patients with each condition. A patient can have several.
Anthony Castanares' patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 48
Patient panel by sex, all payers
- Women62%
- Men38%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Anthony John E. Castanares wrote 43 Medicare Part D claims in 2024
In 2024, Anthony Castanares wrote 43 Medicare Part D claims for 19 patients. 91% of them were for generic drugs.
Anthony Castanares' Part D claims by kind of drug, 2024
- Generic39 claims91%
- Brand-name and other4 claims9%
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
How Anthony John E. Castanares takes part in Medicare
Anthony Castanares 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)
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Anthony John E. Castanares received $136 in industry payments in 2025
CMS Open Payments shows 1 general payment to Anthony Castanares from 1 drug or device company in 2025. Food and beverage make up the largest share, 100% of the total. Alcon Laboratories Inc paid the most, $136.
Companies that paid Anthony Castanares the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Anthony John E. Castanares graduated from Southern California College of Optometry
Anthony Castanares graduated from Southern California College of Optometry in 2017.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Anthony John E. Castanares'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 DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| 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) |
| 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 Anthony John E. Castanares
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Anthony John E. Castanares' NPI number?
Anthony John E. Castanares' NPI number is 1235629361. It was assigned on May 15, 2018, and it is active in the NPI Registry.
What does Anthony John E. Castanares specialize in?
Anthony John E. Castanares is an optometrist in Stockton, California. The primary specialty in the NPI Registry is Optometrist (taxonomy code 152W00000X).
Where does Anthony John E. Castanares practice?
Anthony Castanares practices at 7373 West Ln, Stockton, CA 95210. Anthony Castanares' primary practice is Permanente Medical Group Inc in Stockton, California. Dmand AI also links Anthony Castanares to 2 group practices and clinics and 2 medical groups.
What is Anthony John E. Castanares' office phone number?
The practice phone on file for Anthony Castanares is (209) 476-2000.
What medical group is Anthony John E. Castanares part of?
Anthony Castanares is linked to The Permanente Medical Group, Inc. Dmand AI links Anthony Castanares to 2 more medical groups.
Does Anthony John E. Castanares accept Medicare?
Yes. CMS lists Anthony Castanares as accepting Medicare assignment.
How many Medicare patients does Anthony John E. Castanares see?
CMS counts 19 Medicare patients who saw Anthony Castanares in 2024, with an average age of 70.
Where did Anthony John E. Castanares go to medical school?
Anthony Castanares graduated from Southern California College of Optometry in 2017.
Has Anthony John E. Castanares received payments from drug or device companies?
CMS Open Payments shows $136 in general payments to Anthony Castanares from 1 company from 2025 to 2025. The largest total came from Alcon Laboratories Inc.
How long has Anthony John E. Castanares been practicing?
Anthony Castanares graduated from medical school in 2017, 9 years ago.
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