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Dr. Ryan Cook, MD
NPI1588284756PAC ID6901253350
- Part D claims, 2024
- 4,852
- Publications
- 1
- Hospital affiliations
- 2
- Industry payments
- $47
- Medical group
- 1
- Practice address
- 975 Sereno Dr, Vallejo, CA 94589
- Practice phone
- Call (707) 651-1000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Cook'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. Ryan Cook is a family medicine physician in Vallejo, California
Dr. Cook practices at Vallejo Medical Center in Vallejo, California, part of Kaiser Permanente.
Dr. Cook's NPI, 1588284756, was assigned on April 17, 2020. Dr. Cook graduated from American University of the Caribbean School of Medicine in 2019. Dr. Cook's California license number on file is A187120.
NPI and contact details
- NPI
- 1588284756NPI Registry (opens in a new tab)
- Medicare PAC ID
- 6901253350
- NPI enumeration date
- April 17, 2020
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (707) 651-1000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 33
- Medical school graduation
- 2019
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Ryan Cook practices at Vallejo Medical Center in Vallejo, California
Dr. Cook's primary practice is Vallejo Medical Center, at 975 Sereno Dr, Vallejo, CA 94589 in Solano County. The practice phone is (707) 651-1000.
- Vallejo Medical Center975 Sereno Dr, Vallejo, CA 94589 · Solano CountyPhone(707) 651-1000
Source: Dmand AI Affiliation Data
Dr. Ryan Cook is affiliated with 6 sites of care and 1 medical group
Dr. Cook's primary practice is Vallejo Medical Center in Vallejo, California, part of Kaiser Permanente. Dr. Cook is also affiliated with San Rafael Medical Center. The medical group on file is The Permanente Medical Group, Inc. Dmand AI also links Dr. Cook to 2 more home health agencies, 1 group practice or clinic and 1 hospice, each named with a free account.
San Rafael Medical CenterThe Permanente Medical Group, Inc.2 home health agenciesNames with a free account1 group practice or clinicName with a free account1 hospiceName with a free account
See all 7 affiliations for Dr. CookSources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Ryan Cook's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Cook practices, 6 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Vallejo Medical Center | Available with a free account |
| +5 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
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Dr. Ryan Cook is one of 15,680 family medicine physicians in California
Family medicine is Dr. Cook's primary specialty in the NPI Registry, under taxonomy code 207Q00000X. Dmand AI has Dr. Cook's licenses on file in 2 states: California and Connecticut.
Specialties and state licenses
- Family medicine, CaliforniaPrimary
- Connecticut license
Family medicine physicians near Dr. Cook
Counts of family medicine physicians with a Dmand AI profile, by place and practice. Each opens the list.
15,680family medicine physicians in California164family medicine physicians in Vallejo138family medicine physicians at Vallejo Medical Center
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Ryan Cook's patients have a median age of 58
Across all payers, Dmand AI patient panel data puts Dr. Cook's median patient age at 58, with 55% women.
Dr. Cook's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 58
Patient panel by sex, all payers
- Women55%
- Men44%
Source: Dmand AI Patient Panel Data
Dr. Ryan Cook wrote 4,852 Medicare Part D claims in 2024
In 2024, Dr. Cook wrote 4,852 Medicare Part D claims for 976 patients. 91% of them were for generic drugs. CMS names the drug for 4,227 of them, across 100 drugs with 11 or more claims each, at $129,802 in total drug cost. In 2023, CMS named 659 claims across 31 drugs.
Part D claims, 20244,852
Drugs named by CMS100
Total drug cost$129,802
Part D patients976
Dr. Cook's Part D claims by kind of drug, 2024
- Generic4,407 claims91%
- Brand-name420 claims9%
- Other25 claims1%
Dr. Cook'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. Cook's Part D claims, 2024
- Opioids5%227 of 4,852 claims
- Antibiotics4%180 of 4,852 claims
- Antipsychotics, patients 65 and over0%15 of 4,852 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: 6592024: 4,227541%
Drugs named by CMS: 100 in 2024, 31 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
Dr. Ryan Cook offers telehealth to Medicare patients
Dr. Cook accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Cook as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Ryan Cook has 1 publication on record
Dmand AI links 1 paper to Dr. Cook in 2022.
Papers1
Recent publications by Dr. Cook
See who Dr. Cook researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Cook works with, so you can find a warm path to the right family medicine physicians.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Ryan Cook received $47 in industry payments in 2025
CMS Open Payments shows 1 general payment to Dr. Cook from 1 drug or device company in 2025. Food and beverage make up the largest share, 100% of the total. Averitas Pharma Inc. paid the most, $47.
Companies that paid Dr. Cook the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Ryan Cook graduated from American University of the Caribbean School of Medicine
Dr. Cook graduated from American University of the Caribbean School of Medicine in 2019.
- Medical school
Source: Dmand AI Professional Profile Data
Dr. Ryan Cook accepts plans from 2 insurance carriers
Dr. Cook 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. Cook accepts, by number of carriers
- EPO1
- HMO1
- Medicare1
- POS1
Source: Dmand AI Insurance Network Data
Sources for Dr. Ryan Cook'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 | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy 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) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Industry payments | Open Payments (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. Ryan Cook
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. Ryan Cook's NPI number?
Dr. Ryan Cook's NPI number is 1588284756. It was assigned on April 17, 2020, and it is active in the NPI Registry.
What kind of doctor is Dr. Ryan Cook?
Dr. Ryan Cook is a family medicine physician in Vallejo, California. The primary specialty in the NPI Registry is Family Medicine Physician (taxonomy code 207Q00000X).
Where does Dr. Ryan Cook practice?
Dr. Cook practices at 975 Sereno Dr, Vallejo, CA 94589. Dr. Cook's primary practice is Vallejo Medical Center in Vallejo, California, part of Kaiser Permanente. Dmand AI also links Dr. Cook to 2 home health agencies, 1 group practice or clinic and 1 hospice.
What is Dr. Ryan Cook's office phone number?
The practice phone on file for Dr. Cook is (707) 651-1000.
What is Dr. Ryan Cook's medical license number?
Dr. Cook's California license number on file is A187120, one of the licenses on file in 2 states.
Which states has Dr. Ryan Cook been licensed in?
Dmand AI has state licenses on file for Dr. Cook in California (2023 to 2025) and Connecticut (2020 to 2021).
Which hospitals is Dr. Ryan Cook affiliated with?
Dr. Cook practices at Vallejo Medical Center in Vallejo, California. Dr. Cook is also affiliated with San Rafael Medical Center.
What medical group is Dr. Ryan Cook part of?
Dr. Cook is linked to The Permanente Medical Group, Inc.
Does Dr. Ryan Cook accept Medicare?
Yes. CMS lists Dr. Cook as accepting Medicare assignment.
Does Dr. Ryan Cook offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Cook as offering telehealth services.
Show 6 more questionsShow fewer questions
Where did Dr. Ryan Cook go to medical school?
Dr. Cook graduated from American University of the Caribbean School of Medicine in 2019.
What drugs does Dr. Ryan Cook prescribe most?
In 2024 Medicare Part D data, Dr. Cook's most prescribed drugs by claims were Atorvastatin Calcium, Levothyroxine Sodium and Lisinopril.
Has Dr. Ryan Cook received payments from drug or device companies?
CMS Open Payments shows $47 in general payments to Dr. Cook from 1 company from 2025 to 2025. The largest total came from Averitas Pharma Inc.
How long has Dr. Ryan Cook been practicing?
Dr. Cook graduated from medical school in 2019, 7 years ago.
Does Dr. Ryan Cook do research?
Dmand AI links 1 publication to Dr. Cook.
What insurance does Dr. Ryan Cook accept?
Dr. Cook 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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