Clin Gastroenterol Hepatol
AdenomaCaliforniaColonoscopy
Dr. Jeffrey M. Fox, MD
NPI1972687945PAC ID6204724982
- Medicare patients, 2024
- 11
- Part D claims, 2024
- 2,370
- Publications
- 4
- Hospital affiliations
- 2
- Industry payments
- $72
- 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. Fox'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. Jeffrey M. Fox is a gastroenterologist in Vallejo, California
Dr. Fox practices at Vallejo Medical Center in Vallejo, California, part of Kaiser Permanente.
Dr. Fox's NPI, 1972687945, was assigned on October 25, 2006. Dr. Fox graduated from UC San Diego School of Medicine in 1997. Dr. Fox holds California license A72285.
NPI and contact details
- NPI
- 1972687945NPI Registry (opens in a new tab)
- Medicare PAC ID
- 6204724982
- NPI enumeration date
- October 25, 2006
- 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
- 55
- Medical school graduation
- 1997
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Jeffrey M. Fox practices at Vallejo Medical Center in Vallejo, California
Dr. Fox'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. Jeffrey M. Fox is affiliated with 4 sites of care and 1 medical group
Dr. Fox's primary practice is Vallejo Medical Center in Vallejo, California, part of Kaiser Permanente. Dr. Fox is also affiliated with San Rafael Medical Center. The medical group on file is The Permanente Medical Group, Inc. Dmand AI also links Dr. Fox to 1 more home health agency and 1 hospice, each named with a free account.
San Rafael Medical CenterThe Permanente Medical Group, Inc.1 home health agencyName with a free account1 hospiceName with a free account
See all 5 affiliations for Dr. FoxSources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Jeffrey M. Fox's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Fox practices, 4 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 |
| +3 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
See the EHR and IT leaders at every hospital where Dr. Fox practices
Dmand AI maps EHR vendors, IT decision makers and buying committees across Kaiser Permanente and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Jeffrey M. Fox is one of 1,977 gastroenterologists in California
Gastroenterology is Dr. Fox's primary specialty in the NPI Registry, under taxonomy code 207RG0100X. Dr. Fox is board certified in gastroenterology by the American Board of Internal Medicine. Dr. Fox is licensed in California.
Specialties and state licenses
- Gastroenterology, CaliforniaPrimary
Clinical focus
Dmand AI lists colonoscopy among the conditions Dr. Fox treats.
Gastroenterologists near Dr. Fox
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. Jeffrey M. Fox treated 11 Medicare patients in 2024, average age 72
CMS counts 11 Medicare patients who saw Dr. Fox in 2024. Their average risk score is 1.02, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Fox's median patient age at 61, with 51% women.
Medicare patients, 202411
Average age72
Average risk score1.02
Dr. Fox's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 61
Patient panel by sex, all payers
- Women51%
- Men46%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Jeffrey M. Fox wrote 2,370 Medicare Part D claims in 2024
In 2024, Dr. Fox wrote 2,370 Medicare Part D claims for 1,502 patients. 92% of them were for generic drugs. CMS names the drug for 2,108 of them, across 22 drugs with 11 or more claims each, at $252,554 in total drug cost. In 2023, CMS named 1,753 claims across 25 drugs.
Part D claims, 20242,370
Drugs named by CMS22
Total drug cost$252,554
Part D patients1,502
Dr. Fox's Part D claims by kind of drug, 2024
- Generic2,176 claims92%
- Brand-name and other194 claims8%
Dr. Fox'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. Fox's Part D claims, 2024
- Antibiotics3%67 of 2,370 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: 1,7532024: 2,10820%
Drugs named by CMS: 22 in 2024, 25 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. Jeffrey M. Fox takes part in Medicare
Dr. Fox accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Colonoscopy: 1 to 10 procedures (CMS shows small counts as a range)
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
Find gastroenterologists like Dr. Fox by procedure volume and prescribing
Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Dr. Jeffrey M. Fox has 4 publications on record
Dmand AI links 4 papers to Dr. Fox, published from 2020 to 2024. 2020 was the busiest year, with 2. The most frequent topics are Colonoscopy and Colorectal Neoplasms. Dr. Fox's most frequent co-authors are Douglas A. Corley, MD, Jeffrey Kuang Zou Lee, MD and Craig Anthony Munroe, MD.
Papers4
Years published2020 to 2024
Dr. Fox's papers by year, 2020 to 2024
Topics Dr. Fox writes about most
- Colonoscopy
- Colorectal Neoplasms
Dr. Fox's most frequent co-authors
- Douglas A. Corley, MD4 shared papers
- Jeffrey Kuang Zou Lee, MD3 shared papers
- Craig Anthony Munroe, MD3 shared papers
Recent publications by Dr. Fox
Clin Transl Gastroenterol
ColectomyColonic PolypsColonoscopy
AftercareChoice BehaviorCross-Over Studies
See who Dr. Fox researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Fox 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. Jeffrey M. Fox received $72 in industry payments from 2023 to 2024
CMS Open Payments shows 3 general payments to Dr. Fox from 1 drug or device company from 2023 to 2024. Food and beverage make up the largest share, 100% of the total. CapsoVision, Inc. paid the most, $72.
General payments to Dr. Fox by program year, 2023 to 2024
Companies that paid Dr. Fox the most, 2023 to 2024
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Jeffrey M. Fox has 4 awards and honors on record
Dmand AI lists 4 awards for Dr. Fox, most recently AGA Fellow in 2011.
Awards and honors for Dr. Fox
- 2011
- AGA Fellow
- Checkbook Top Doc
- 2000
- Alpha Omega Alpha
- Undated
- CMS Stage 1 2012
Source: Dmand AI Professional Profile Data
Dr. Jeffrey M. Fox graduated from UC San Diego School of Medicine
Dr. Fox graduated from UC San Diego School of Medicine in 1997. Dr. Fox is a member of AGA.
- Medical school
- Board certified in gastroenterology
Source: Dmand AI Professional Profile Data
Dr. Jeffrey M. Fox accepts plans from 2 insurance carriers
Dr. Fox 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. Fox accepts, by number of carriers
- EPO1
- HMO1
- Medicare1
- POS1
Source: Dmand AI Insurance Network Data
Sources for Dr. Jeffrey M. Fox'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 |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Awards and committee roles | Dmand AI Professional Profile Data |
| 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. Jeffrey M. Fox
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. Jeffrey M. Fox's NPI number?
Dr. Jeffrey M. Fox's NPI number is 1972687945. It was assigned on October 25, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Jeffrey M. Fox?
Dr. Jeffrey M. Fox is a gastroenterologist in Vallejo, California. The primary specialty in the NPI Registry is Gastroenterology Physician (taxonomy code 207RG0100X).
Where does Dr. Jeffrey M. Fox practice?
Dr. Fox practices at 975 Sereno Dr, Vallejo, CA 94589. Dr. Fox's primary practice is Vallejo Medical Center in Vallejo, California, part of Kaiser Permanente. Dmand AI also links Dr. Fox to 1 home health agency and 1 hospice.
What is Dr. Jeffrey M. Fox's office phone number?
The practice phone on file for Dr. Fox is (707) 651-1000.
What is Dr. Jeffrey M. Fox's medical license number?
Dr. Fox holds California license A72285.
Which hospitals is Dr. Jeffrey M. Fox affiliated with?
Dr. Fox practices at Vallejo Medical Center in Vallejo, California. Dr. Fox is also affiliated with San Rafael Medical Center.
What medical group is Dr. Jeffrey M. Fox part of?
Dr. Fox is linked to The Permanente Medical Group, Inc.
Does Dr. Jeffrey M. Fox accept Medicare?
Yes. CMS lists Dr. Fox as accepting Medicare assignment.
How many Medicare patients does Dr. Jeffrey M. Fox see?
CMS counts 11 Medicare patients who saw Dr. Fox in 2024, with an average age of 72.
Is Dr. Jeffrey M. Fox board certified?
Yes. Dr. Fox is board certified in gastroenterology by the American Board of Internal Medicine.
Show 7 more questionsShow fewer questions
Where did Dr. Jeffrey M. Fox go to medical school?
Dr. Fox graduated from UC San Diego School of Medicine in 1997.
What drugs does Dr. Jeffrey M. Fox prescribe most?
In 2024 Medicare Part D data, Dr. Fox's most prescribed drugs by claims were Gavilyte-C, Omeprazole and Pantoprazole Sodium.
Has Dr. Jeffrey M. Fox received payments from drug or device companies?
CMS Open Payments shows $72 in general payments to Dr. Fox from 1 company from 2023 to 2024. The largest total came from CapsoVision, Inc.
How long has Dr. Jeffrey M. Fox been practicing?
Dr. Fox graduated from medical school in 1997, 29 years ago.
Does Dr. Jeffrey M. Fox do research?
Dmand AI links 4 publications to Dr. Fox, published from 2020 to 2024.
Who does Dr. Jeffrey M. Fox publish with?
Dr. Fox's most frequent co-authors are Douglas A. Corley, MD (4 shared papers), Jeffrey Kuang Zou Lee, MD (3 shared papers) and Craig Anthony Munroe, MD (3 shared papers).
What insurance does Dr. Jeffrey M. Fox accept?
Dr. Fox 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.
Selling to gastroenterology practices?
See gastroenterologists in California by site of care and group
Find the practices, groups and hospitals they work with, and the right people to contact at each.
- 30 days free
- Self-serve
- No credit card