Dr. Devin Colin Oliver Walker, DO
- Part D claims, 2024
- 387
- Affiliated sites
- 1
- Medical group
- 1
- Insurance carriers
- 2
- State license
- 1
- Practice address
- 9455 Clairemont Mesa Blvd, San Diego, CA 92123
- Practice phone
- Call (619) 528-5000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Kaiser Permanente San Diego Medical Center
San Diego, California
Find Dr. Walker'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. Devin Colin Oliver Walker is a child and adolescent psychiatrist in San Diego, California
Dr. Walker practices at Kaiser Permanente San Diego Medical Center in San Diego, California.
Dr. Walker's NPI, 1801384599, was assigned on April 27, 2018. Dr. Walker graduated from College of Osteopathic Medicine of the Pacific in 2018. Dr. Walker holds California license 20A17649.
- NPI
- 1801384599NPI Registry (opens in a new tab)
- Medicare PAC ID
- 2567882186
- NPI enumeration date
- April 27, 2018
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (619) 528-5000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 34
- Medical school graduation
- 2018
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Devin Colin Oliver Walker practices at Kaiser Permanente San Diego Medical Center in San Diego, California
Dr. Walker's primary practice is Kaiser Permanente San Diego Medical Center, at 9455 Clairemont Mesa Blvd, San Diego, CA 92123 in San Diego County. The practice phone is (619) 528-5000.
- Kaiser Permanente San Diego Medical Center9455 Clairemont Mesa Blvd, San Diego, CA 92123 · San Diego CountyPhone(619) 528-5000
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Devin Colin Oliver Walker is affiliated with 2 sites of care and 1 medical group
Dr. Walker's primary practice is Kaiser Permanente San Diego Medical Center in San Diego, California. The medical group on file is Southern California Permanente Medical Group. Dmand AI also links Dr. Walker 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. Devin Colin Oliver Walker's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Walker practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Kaiser Permanente San Diego Medical Center | 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. Devin Colin Oliver Walker is one of 769 childs and adolescent psychiatrists in California
Child and adolescent psychiatry is Dr. Walker's primary specialty in the NPI Registry, under taxonomy code 2084P0804X. Dr. Walker is board certified in child & adolescent psychiatry by the American Board of Psychiatry and Neurology. Dr. Walker is licensed in California.
Specialties and state licenses
- Child and adolescent psychiatry, CaliforniaPrimary
Childs and adolescent psychiatrists near Dr. Walker
Counts of childs and adolescent psychiatrists 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. Devin Colin Oliver Walker's patients have a median age of 29
Across all payers, Dmand AI patient panel data puts Dr. Walker's median patient age at 29, with 59% women.
Dr. Walker's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 29
Patient panel by sex, all payers
- Women59%
- Men41%
Source: Dmand AI Patient Panel Data
Dr. Devin Colin Oliver Walker wrote 387 Medicare Part D claims in 2024
In 2024, Dr. Walker wrote 387 Medicare Part D claims for 135 patients. 98% of them were for generic drugs. CMS names the drug for 258 of them, across 13 drugs with 11 or more claims each, at $4,734 in total drug cost. In 2023, CMS named 12 claims across 1 drug.
Dr. Walker's Part D claims by kind of drug, 2024
- Generic381 claims98%
- Brand-name and other6 claims2%
Dr. Walker'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. Walker's Part D claims, 2024
- Antipsychotics, patients 65 and over7%29 of 387 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: 122024: 2582050%
Drugs named by CMS: 13 in 2024, 1 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. Devin Colin Oliver Walker takes part in Medicare
Dr. Walker 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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Dr. Devin Colin Oliver Walker graduated from College of Osteopathic Medicine of the Pacific
Dr. Walker graduated from College of Osteopathic Medicine of the Pacific in 2018.
- Medical school
- Board certified in child & adolescent psychiatry
- Board certified in psychiatry
- Board certified in 2019 - 2027
Source: Dmand AI Professional Profile Data
Dr. Devin Colin Oliver Walker accepts plans from 2 insurance carriers
Dr. Walker is in network with 2 carriers, including Kaiser Permanente and CMS Medicare. EPO plans come from the most carriers, 1. Check the plan with the practice before a visit.
- Kaiser Permanente
- CMS Medicare
Plan types Dr. Walker accepts, by number of carriers
- EPO1
- HMO1
- Medicare1
- POS1
Source: Dmand AI Insurance Network Data
Sources for Dr. Devin Colin Oliver Walker'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) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| Insurance carriers and plan types | Dmand AI Insurance Network 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. Devin Colin Oliver Walker
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. Devin Colin Oliver Walker's NPI number?
Dr. Devin Colin Oliver Walker's NPI number is 1801384599. It was assigned on April 27, 2018, and it is active in the NPI Registry.
What kind of doctor is Dr. Devin Colin Oliver Walker?
Dr. Devin Colin Oliver Walker is a child and adolescent psychiatrist in San Diego, California. The primary specialty in the NPI Registry is Child & Adolescent Psychiatry Physician (taxonomy code 2084P0804X).
Where does Dr. Devin Colin Oliver Walker practice?
Dr. Walker practices at 9455 Clairemont Mesa Blvd, San Diego, CA 92123. Dr. Walker's primary practice is Kaiser Permanente San Diego Medical Center in San Diego, California. Dmand AI also links Dr. Walker to 1 group practice or clinic.
What is Dr. Devin Colin Oliver Walker's office phone number?
The practice phone on file for Dr. Walker is (619) 528-5000.
What is Dr. Devin Colin Oliver Walker's medical license number?
Dr. Walker holds California license 20A17649.
What medical group is Dr. Devin Colin Oliver Walker part of?
Dr. Walker is linked to Southern California Permanente Medical Group.
Does Dr. Devin Colin Oliver Walker accept Medicare?
Yes. CMS lists Dr. Walker as accepting Medicare assignment.
Is Dr. Devin Colin Oliver Walker board certified?
Yes. Dr. Walker is board certified in child & adolescent psychiatry by the American Board of Psychiatry and Neurology.
Where did Dr. Devin Colin Oliver Walker go to medical school?
Dr. Walker graduated from College of Osteopathic Medicine of the Pacific in 2018.
What drugs does Dr. Devin Colin Oliver Walker prescribe most?
In 2024 Medicare Part D data, Dr. Walker's most prescribed drugs by claims were Duloxetine HCl, Lorazepam and Risperidone.
How long has Dr. Devin Colin Oliver Walker been practicing?
Dr. Walker graduated from medical school in 2018, 8 years ago.
What insurance does Dr. Devin Colin Oliver Walker accept?
Dr. Walker is in network with 2 carriers, including Kaiser Permanente and CMS Medicare. EPO plans come from the most carriers, 1. Check the plan with the practice before a visit.
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