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Dr. Ryan Nock, MD
NPI1346773751PAC ID8325469802
- Medicare patients, 2024
- 27
- Part D claims, 2024
- 470
- Publications
- 2
- Hospital affiliations
- 1
- 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. Nock'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 Nock is a gastroenterologist in Vallejo, California
Dr. Nock practices at Vallejo Medical Center in Vallejo, California, part of Kaiser Permanente.
Dr. Nock's NPI, 1346773751, was assigned on April 4, 2017. Dr. Nock graduated from UC San Diego School of Medicine in 2016. Dr. Nock holds California license A158379.
NPI and contact details
- NPI
- 1346773751NPI Registry (opens in a new tab)
- Medicare PAC ID
- 8325469802
- NPI enumeration date
- April 4, 2017
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (707) 651-1000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 35
- Medical school graduation
- 2016
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Ryan Nock practices at Vallejo Medical Center in Vallejo, California
Dr. Nock'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 Nock is affiliated with 3 sites of care and 1 medical group
Dr. Nock's primary practice is Vallejo Medical Center in Vallejo, California, part of Kaiser Permanente. The medical group on file is The Permanente Medical Group, Inc. Dmand AI also links Dr. Nock to 1 more home health agency and 1 hospice, each named with a free account.
The Permanente Medical Group, Inc.1 home health agencyName with a free account1 hospiceName with a free account
See all 4 affiliations for Dr. NockSources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Ryan Nock's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Nock practices, 3 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 |
| +2 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
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Dr. Ryan Nock is one of 1,977 gastroenterologists in California
Gastroenterology is Dr. Nock's primary specialty in the NPI Registry, under taxonomy code 207RG0100X. Dr. Nock is board certified in gastroenterology by the American Board of Internal Medicine. Dmand AI has Dr. Nock's licenses on file in 2 states: California and Illinois.
Specialties and state licenses
- Gastroenterology, CaliforniaPrimary
- Illinois license
Gastroenterologists near Dr. Nock
Counts of gastroenterologists with a Dmand AI profile, by place and practice. Each opens the list.
1,977gastroenterologists in California12gastroenterologists in Vallejo9gastroenterologists at Vallejo Medical Center
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Ryan Nock treated 27 Medicare patients in 2024, average age 66
CMS counts 27 Medicare patients who saw Dr. Nock in 2024. The largest group is 65 to 74, with 11 patients. 67% of them have high blood pressure, and 48% have high cholesterol. 52% are also on Medicaid. Their average risk score is 1.52, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Nock's median patient age at 57, with 62% women.
Medicare patients, 202427
Average age66
Average risk score1.52
Also on Medicaid52%
Dr. Nock's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Chronic conditions among Dr. Nock's Medicare patients, 2024
- High blood pressure67%
- High cholesterol48%
- Arthritis44%
Share of Medicare patients with each condition. A patient can have several.
Dr. Nock's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 57
Patient panel by sex, all payers
- Women62%
- Men38%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Ryan Nock wrote 470 Medicare Part D claims in 2024
In 2024, Dr. Nock wrote 470 Medicare Part D claims for 308 patients. 96% of them were for generic drugs. CMS names the drug for 370 of them, across 5 drugs with 11 or more claims each, at $14,496 in total drug cost. In 2023, CMS named 41 claims across 1 drug.
Part D claims, 2024470
Drugs named by CMS5
Total drug cost$14,496
Part D patients308
Dr. Nock's Part D claims by kind of drug, 2024
- Generic452 claims96%
- Brand-name18 claims4%
Dr. Nock'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. Nock's Part D claims, 2024
- Antibiotics4%18 of 470 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: 412024: 370802%
Drugs named by CMS: 5 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
Dr. Ryan Nock ranks in the 42nd percentile for colonoscopy in Medicare
Dr. Nock accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 12 procedures of colonoscopy by Dr. Nock, more than 42% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Where Dr. Nock ranks in Medicare procedure volume
- Colonoscopy
- 42nd percentile12 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Upper gastrointestinal (GI) endoscopy for acid reflux: 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)
For MedTech and pharma teams
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Dr. Ryan Nock has 2 publications on record
Dmand AI links 2 papers to Dr. Nock, published from 2014 to 2016. Dr. Nock's most frequent co-authors are Joseph L. Witztum, MD, Ira Jay Goldberg, MD and Risha Sinha.
Papers2
Years published2014 to 2016
Dr. Nock's most frequent co-authors
Recent publications by Dr. Nock
See who Dr. Nock researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Nock works with, so you can find a warm path to the right gastroenterologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Ryan Nock graduated from UC San Diego School of Medicine
Dr. Nock graduated from UC San Diego School of Medicine in 2016.
- Medical school
- Board certified in gastroenterology
- Board certified in internal medicine
Source: Dmand AI Professional Profile Data
Dr. Ryan Nock accepts plans from 2 insurance carriers
Dr. Nock 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. Nock accepts, by number of carriers
- EPO1
- HMO1
- Medicare1
- POS1
Source: Dmand AI Insurance Network Data
Sources for Dr. Ryan Nock'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 DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| 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) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| 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 Nock
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 Nock's NPI number?
Dr. Ryan Nock's NPI number is 1346773751. It was assigned on April 4, 2017, and it is active in the NPI Registry.
What kind of doctor is Dr. Ryan Nock?
Dr. Ryan Nock is a gastroenterologist in Vallejo, California. The primary specialty in the NPI Registry is Gastroenterology Physician (taxonomy code 207RG0100X).
Where does Dr. Ryan Nock practice?
Dr. Nock practices at 975 Sereno Dr, Vallejo, CA 94589. Dr. Nock's primary practice is Vallejo Medical Center in Vallejo, California, part of Kaiser Permanente. Dmand AI also links Dr. Nock to 1 home health agency and 1 hospice.
What is Dr. Ryan Nock's office phone number?
The practice phone on file for Dr. Nock is (707) 651-1000.
What is Dr. Ryan Nock's medical license number?
Dr. Nock holds California license A158379, one of the licenses on file in 2 states.
Which states has Dr. Ryan Nock been licensed in?
Dmand AI has state licenses on file for Dr. Nock in California (2018 to 2026) and Illinois (2020 to 2023).
Which hospitals is Dr. Ryan Nock affiliated with?
Dr. Nock practices at Vallejo Medical Center in Vallejo, California.
What medical group is Dr. Ryan Nock part of?
Dr. Nock is linked to The Permanente Medical Group, Inc.
Does Dr. Ryan Nock accept Medicare?
Yes. CMS lists Dr. Nock as accepting Medicare assignment.
How many Medicare patients does Dr. Ryan Nock see?
CMS counts 27 Medicare patients who saw Dr. Nock in 2024, with an average age of 66.
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Is Dr. Ryan Nock board certified?
Yes. Dr. Nock is board certified in gastroenterology by the American Board of Internal Medicine.
Where did Dr. Ryan Nock go to medical school?
Dr. Nock graduated from UC San Diego School of Medicine in 2016.
What drugs does Dr. Ryan Nock prescribe most?
In 2024 Medicare Part D data, Dr. Nock's most prescribed drugs by claims were Gavilyte-C, Omeprazole and Cholestyramine.
How long has Dr. Ryan Nock been practicing?
Dr. Nock graduated from medical school in 2016, 10 years ago.
Does Dr. Ryan Nock do research?
Dmand AI links 2 publications to Dr. Nock, published from 2014 to 2016.
Who does Dr. Ryan Nock publish with?
Dr. Nock's most frequent co-authors are Joseph L. Witztum, MD (2 shared papers), Ira Jay Goldberg, MD (1 shared paper) and Risha Sinha (1 shared paper).
What insurance does Dr. Ryan Nock accept?
Dr. Nock 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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