Dr. Gerard Roque David, MD

  • Vallejo, CA
  • Infectious disease specialist
NPI1831145283PAC ID1850399403
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
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Personal email
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Mobile number
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Social profiles

Primary practice

Vallejo Medical Center

Hospital · Vallejo, California

See all 5 affiliations

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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 and contact details
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.

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.

See all 5 affiliations for Dr. David

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.

EHR by site
SiteEHR vendor and product
Vallejo Medical CenterAvailable with a free account
+3 more affiliated sitesAvailable 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 DakotaPrimaryLicense 5863 · Since 2021 · taxonomy 207RI0200X
  • California license2019 to 2027
  • Minnesota license2012 to 2019
  • Nevada license2002 to 2007
  • Michigan license1999 to 2000

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.

Medicare services, 2019451
Medicare patients16
Paid by Medicare$26,505
Procedure codes4

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.

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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.

Medicare patients, 202416
Average age60
Average risk score3.51

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

  1. High blood pressure75%
  2. 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.

Part D claims, 2024196
Drugs named by CMS4
Total drug cost$241,071
Part D patients61

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.

See all prescribing by Dr. David

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.

Papers1

Dr. David's most frequent co-authors

Recent publications by Dr. David

See all 1 publications and co-authors

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.

How network discovery works

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

$2.6Kin total
  • 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.

See all payments to Dr. David

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

  1. 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.

  1. Medical schoolUniversity of Santo Tomas
  2. Board certified in infectious diseaseAmerican Board of Internal Medicine
  3. Board certified in internal medicineAmerican Board of 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

  1. EPO1
  2. HMO1
  3. Medicare1
  4. POS1

Source: Dmand AI Insurance Network Data

Sources for Dr. Gerard Roque David's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDmand AI Org Hierarchy Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare 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 percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)
Publications, topics and co-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Awards and committee rolesDmand AI Professional Profile Data
Training, board certification and membershipsDmand AI Professional Profile Data
Insurance carriers and plan typesDmand AI Insurance Network Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand 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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