J Investig Med High Impact Case Rep
Dr. Gerard Roque David, MD
- Medicare services, 2019
- 451
- Medicare patients, 2024
- 16
- Part D claims, 2024
- 196
- Publications
- 1
- Hospital affiliations
- 2
- 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. David'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. Gerard Roque David is an infectious disease specialist in Vallejo, California
Dr. David practices at Vallejo Medical Center in Vallejo, California, part of Kaiser Permanente.
Dr. David's NPI, 1831145283, was assigned on May 26, 2006. Dr. David graduated from University of Santo Tomas in 1993. Dr. David holds South Dakota license 5863.
- NPI
- 1831145283NPI Registry (opens in a new tab)
- Medicare PAC ID
- 1850399403
- NPI enumeration date
- May 26, 2006
- 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
- 59
- Medical school graduation
- 1993
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Gerard Roque David practices at Vallejo Medical Center in Vallejo, California
Dr. David'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. Gerard Roque David is affiliated with 4 sites of care and 1 medical group
Dr. David's primary practice is Vallejo Medical Center in Vallejo, California, part of Kaiser Permanente. Dr. David is also affiliated with Vacaville Medical Center. The medical group on file is The Permanente Medical Group, Inc. Dmand AI also links Dr. David to 1 more home health agency and 1 hospice, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Gerard Roque David's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. David 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
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Dr. Gerard Roque David is one of 1,054 infectious disease specialists in California
Infectious disease is Dr. David's primary specialty in the NPI Registry, under taxonomy code 207RI0200X. Dr. David is board certified in infectious disease by the American Board of Internal Medicine. Dmand AI has Dr. David's licenses on file in 5 states: South Dakota, California, Minnesota, Nevada and Michigan.
Specialties and state licenses
- Infectious disease, South DakotaPrimary
- California license
- Minnesota license
- Nevada license
- Michigan license
Infectious disease specialists near Dr. David
Counts of infectious disease specialists 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. Gerard Roque David billed Medicare for 451 services in 2019
CMS data shows 451 Medicare services from Dr. David across 4 procedure codes in 2019, for 16 Medicare patients. Medicare paid $26,505 for them.
Dr. David's Medicare services by type, 2018 to 2019
- 2018
- 2019
- Office and hospital visits
- 2018: 8272019: 45145%
Where Dr. David's Medicare services took place, 2019
- In an office348%
- In a facility41792%
Dr. David compared with the California median for infectious disease specialists, 2019
- Dr. David
- California median
- Medicare services
- 451vs 4295% above
- Medicare patients
- 16vs 18091% below
- Part D claims
- 61vs 11949% below
Medians across 930 infectious disease specialists in California with Dmand AI profiles that report each measure.
Dr. David's most billed Medicare procedure codes, 2019
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
Need commercial claims for Dr. David?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. David and other infectious disease specialists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Gerard Roque David treated 16 Medicare patients in 2024, average age 60
CMS counts 16 Medicare patients who saw Dr. David in 2024. The largest group is 85 and over, with 0 patients. 75% of them have high blood pressure, and 69% have diabetes. Their average risk score is 3.51, 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. David's median patient age at 55, with 49% women.
Dr. David's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Chronic conditions among Dr. David's Medicare patients, 2024
- High blood pressure75%
- Diabetes69%
Share of Medicare patients with each condition. A patient can have several.
Dr. David's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 55
Patient panel by sex, all payers
- Women49%
- Men49%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Gerard Roque David wrote 196 Medicare Part D claims in 2024
In 2024, Dr. David wrote 196 Medicare Part D claims for 61 patients. 73% of them were for generic drugs. CMS names the drug for 61 of them, across 4 drugs with 11 or more claims each, at $241,071 in total drug cost. In 2023, CMS named 95 claims across 5 drugs.
Dr. David's Part D claims by kind of drug, 2024
- Generic144 claims73%
- Brand-name52 claims27%
Dr. David'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. David's Part D claims, 2024
- Antibiotics47%93 of 196 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: 952024: 6136%
Drugs named by CMS: 4 in 2024, 5 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. Gerard Roque David offers telehealth to Medicare patients
Dr. David accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. David as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Gerard Roque David has 1 publication on record
Dmand AI links 1 paper to Dr. David. Dr. David's most frequent co-authors are Royce Harwood Johnson, MD, Majid Nmi Rahimifar, MD and Rupam Sharma, MD.
Dr. David's most frequent co-authors
- Royce Harwood Johnson, MD1 shared paper
- Majid Nmi Rahimifar, MD1 shared paper
- Rupam Sharma, MD1 shared paper
Recent publications by Dr. David
See who Dr. David researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. David works with, so you can find a warm path to the right infectious disease specialists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Gerard Roque David received $2,605 in industry payments from 2016 to 2024
CMS Open Payments shows 14 general payments to Dr. David from 6 drug and device companies from 2016 to 2024. Consulting fees make up the largest share, 58% of the total. Theravance Biopharma, Inc. paid the most, $2,377.
General payments to Dr. David by program year, 2016 to 2024
General payments to Dr. David by kind, 2016 to 2024
- Consulting fees$1,50058%
- Travel and lodging$59623%
- Food and beverage$49319%
- Education$161%
Companies that paid Dr. David the most, 2016 to 2024
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Gerard Roque David has 1 award and honors on record
Dmand AI lists 1 award for Dr. David, most recently CMS Stage 1 EHR in 2013.
Awards and honors for Dr. David
- 2013
- CMS Stage 1 EHR
Source: Dmand AI Professional Profile Data
Dr. Gerard Roque David graduated from University of Santo Tomas
Dr. David graduated from University of Santo Tomas in 1993.
- Medical school
- Board certified in infectious disease
- Board certified in internal medicine
Source: Dmand AI Professional Profile Data
Dr. Gerard Roque David accepts plans from 2 insurance carriers
Dr. David 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. David accepts, by number of carriers
- EPO1
- HMO1
- Medicare1
- POS1
Source: Dmand AI Insurance Network Data
Sources for Dr. Gerard Roque David'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 services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| 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) |
| 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. Gerard Roque David
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. Gerard Roque David's NPI number?
Dr. Gerard Roque David's NPI number is 1831145283. It was assigned on May 26, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Gerard Roque David?
Dr. Gerard Roque David is an infectious disease specialist in Vallejo, California. The primary specialty in the NPI Registry is Infectious Disease Physician (taxonomy code 207RI0200X).
Where does Dr. Gerard Roque David practice?
Dr. David practices at 975 Sereno Dr, Vallejo, CA 94589. Dr. David's primary practice is Vallejo Medical Center in Vallejo, California, part of Kaiser Permanente. Dmand AI also links Dr. David to 1 home health agency and 1 hospice.
What is Dr. Gerard Roque David's office phone number?
The practice phone on file for Dr. David is (707) 651-1000.
What is Dr. Gerard Roque David's medical license number?
Dr. David holds South Dakota license 5863, one of the licenses on file in 5 states.
Which states has Dr. Gerard Roque David been licensed in?
Dmand AI has state licenses on file for Dr. David in South Dakota (since 2021), California (2019 to 2027), Minnesota (2012 to 2019), Nevada (2002 to 2007) and Michigan (1999 to 2000).
Which hospitals is Dr. Gerard Roque David affiliated with?
Dr. David practices at Vallejo Medical Center in Vallejo, California. Dr. David is also affiliated with Vacaville Medical Center.
What medical group is Dr. Gerard Roque David part of?
Dr. David is linked to The Permanente Medical Group, Inc.
Does Dr. Gerard Roque David accept Medicare?
Yes. CMS data shows Dr. David billed Medicare for 451 services in 2019, and Dr. David accepts Medicare assignment.
Does Dr. Gerard Roque David offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. David as offering telehealth services.
Show 10 more questionsShow fewer questions
How many Medicare patients does Dr. Gerard Roque David see?
CMS counts 16 Medicare patients who saw Dr. David in 2024, with an average age of 60.
Is Dr. Gerard Roque David board certified?
Yes. Dr. David is board certified in infectious disease by the American Board of Internal Medicine.
What services does Dr. Gerard Roque David bill to Medicare?
In 2019, Dr. David's most billed Medicare services were office visit, established patient (99213), hospital inpatient care (99232) and hospital inpatient care (99222).
Where did Dr. Gerard Roque David go to medical school?
Dr. David graduated from University of Santo Tomas in 1993.
What drugs does Dr. Gerard Roque David prescribe most?
In 2024 Medicare Part D data, Dr. David's most prescribed drugs by claims were Doxycycline Monohydrate, Triumeq and Biktarvy.
Has Dr. Gerard Roque David received payments from drug or device companies?
CMS Open Payments shows $2,605 in general payments to Dr. David from 6 companies from 2016 to 2024. The largest total came from Theravance Biopharma, Inc.
How long has Dr. Gerard Roque David been practicing?
Dr. David graduated from medical school in 1993, 33 years ago.
Does Dr. Gerard Roque David do research?
Dmand AI links 1 publication to Dr. David.
Who does Dr. Gerard Roque David publish with?
Dr. David's most frequent co-authors are Royce Harwood Johnson, MD (1 shared paper), Majid Nmi Rahimifar, MD (1 shared paper) and Rupam Sharma, MD (1 shared paper).
What insurance does Dr. Gerard Roque David accept?
Dr. David 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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