Dr. Joseph Paul Marquis, MD
- Medicare services, 2016
- 313
- Part D claims, 2024
- 2,258
- Industry payments
- $198
- Affiliated sites
- 1
- Medical groups
- 2
- Practice address
- 901 Nevin Ave, Richmond, CA 94801
- Practice phone
- Call (510) 307-1555
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Richmond Medical Center
Richmond, California
Find Dr. Marquis' professional email, personal email and mobile number
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Dr. Joseph Paul Marquis is an internist in Richmond, California
Dr. Marquis practices at Richmond Medical Center in Richmond, California.
Dr. Marquis' NPI, 1598084329, was assigned on May 18, 2010. Dr. Marquis graduated from Albany Medical College of Union University in 2013. Dr. Marquis holds California license A127074.
- NPI
- 1598084329NPI Registry (opens in a new tab)
- Medicare PAC ID
- 9830341148
- NPI enumeration date
- May 18, 2010
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (510) 307-1555
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 39
- Medical school graduation
- 2013
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Joseph Paul Marquis practices at Richmond Medical Center in Richmond, California
Dr. Marquis' primary practice is Richmond Medical Center, at 901 Nevin Ave, Richmond, CA 94801 in Contra Costa County. The practice phone is (510) 307-1555.
- Richmond Medical Center901 Nevin Ave, Richmond, CA 94801 · Contra Costa CountyPhone(510) 307-1555
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Joseph Paul Marquis is affiliated with 2 sites of care and 2 medical groups
Dr. Marquis' primary practice is Richmond Medical Center in Richmond, California. The medical group on file is The Permanente Medical Group, Inc. Dmand AI also links Dr. Marquis to 1 more community health center and 1 medical group, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Joseph Paul Marquis' practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Marquis practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Richmond Medical Center | Available with a free account |
| +1 more site and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Joseph Paul Marquis is one of 16,751 internists in California
Internal medicine is Dr. Marquis' primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Marquis is licensed in California.
Specialties and state licenses
- Internal medicine, CaliforniaPrimary
Internists near Dr. Marquis
Counts of internists 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. Joseph Paul Marquis billed Medicare for 313 services in 2016
CMS data shows 313 Medicare services from Dr. Marquis across 5 procedure codes in 2016. Medicare paid $3,931 for them. Every service was in an office.
Dr. Marquis' Medicare services by type, 2016
- Lab and pathology282
- Tests and treatments31
Dr. Marquis compared with the California median for internists, 2016
- Dr. Marquis
- California median
- Medicare services
- 313vs 36113% below
- Part D claims
- 1,732vs 4214.1 times
Medians across 15,815 internists in California with Dmand AI profiles that report each measure.
Dr. Marquis' most billed Medicare procedure codes, 2016
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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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Marquis and other internists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Joseph Paul Marquis' patients have a median age of 52
Across all payers, Dmand AI patient panel data puts Dr. Marquis' median patient age at 52, with 51% women.
Dr. Marquis' patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 52
Patient panel by sex, all payers
- Women51%
- Men49%
Source: Dmand AI Patient Panel Data
Dr. Joseph Paul Marquis wrote 2,258 Medicare Part D claims in 2024
In 2024, Dr. Marquis wrote 2,258 Medicare Part D claims for 576 patients. 92% of them were for generic drugs. CMS names the drug for 1,732 of them, across 56 drugs with 11 or more claims each, at $42,851 in total drug cost. In 2023, CMS named 4,040 claims across 80 drugs.
Dr. Marquis' Part D claims by kind of drug, 2024
- Generic2,072 claims92%
- Brand-name169 claims7%
- Other17 claims1%
Dr. Marquis' 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. Marquis' Part D claims, 2024
- Opioids6%135 of 2,258 claims
- Antibiotics2%53 of 2,258 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: 4,0402024: 1,73257%
Drugs named by CMS: 56 in 2024, 80 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. Joseph Paul Marquis offers telehealth to Medicare patients
Dr. Marquis accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Marquis as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Joseph Paul Marquis received $198 in industry payments in 2016
CMS Open Payments shows 6 general payments to Dr. Marquis from 2 drug and device companies in 2016. Food and beverage make up the largest share, 100% of the total. Indivior Inc. paid the most, $177.
Companies that paid Dr. Marquis the most, 2016 to 2016
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Joseph Paul Marquis graduated from Albany Medical College of Union University
Dr. Marquis graduated from Albany Medical College of Union University in 2013.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Joseph Paul Marquis'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 | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand 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 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) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile 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. Joseph Paul Marquis
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. Joseph Paul Marquis' NPI number?
Dr. Joseph Paul Marquis' NPI number is 1598084329. It was assigned on May 18, 2010, and it is active in the NPI Registry.
What kind of doctor is Dr. Joseph Paul Marquis?
Dr. Joseph Paul Marquis is an internist in Richmond, California. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Joseph Paul Marquis practice?
Dr. Marquis practices at 901 Nevin Ave, Richmond, CA 94801. Dr. Marquis' primary practice is Richmond Medical Center in Richmond, California. Dmand AI also links Dr. Marquis to 1 community health center and 1 medical group.
What is Dr. Joseph Paul Marquis' office phone number?
The practice phone on file for Dr. Marquis is (510) 307-1555.
What is Dr. Joseph Paul Marquis' medical license number?
Dr. Marquis holds California license A127074.
What medical group is Dr. Joseph Paul Marquis part of?
Dr. Marquis is linked to The Permanente Medical Group, Inc. Dmand AI links Dr. Marquis to 1 more medical group.
Does Dr. Joseph Paul Marquis accept Medicare?
Yes. CMS data shows Dr. Marquis billed Medicare for 313 services in 2016, and Dr. Marquis accepts Medicare assignment.
Does Dr. Joseph Paul Marquis offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Marquis as offering telehealth services.
What services does Dr. Joseph Paul Marquis bill to Medicare?
In 2016, Dr. Marquis' most billed Medicare services were lab and pathology test (83036), lab and pathology test (81002) and lab and pathology test (85018).
Where did Dr. Joseph Paul Marquis go to medical school?
Dr. Marquis graduated from Albany Medical College of Union University in 2013.
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What drugs does Dr. Joseph Paul Marquis prescribe most?
In 2024 Medicare Part D data, Dr. Marquis' most prescribed drugs by claims were Atorvastatin Calcium, Amlodipine Besylate and Losartan Potassium.
Has Dr. Joseph Paul Marquis received payments from drug or device companies?
CMS Open Payments shows $198 in general payments to Dr. Marquis from 2 companies from 2016 to 2016. The largest total came from Indivior Inc.
How long has Dr. Joseph Paul Marquis been practicing?
Dr. Marquis graduated from medical school in 2013, 13 years ago.
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