Dr. Mark S. Roberts, MD
- Part D claims, 2016
- 43
- State license
- 1
- Year NPI issued
- 2006
- Practice address
- 975 Sereno Dr, Vallejo, CA 94589-2441
- Practice phone
- Call (707) 651-1000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Find Dr. Roberts' 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. Mark S. Roberts is a rheumatologist in Vallejo, California
Dr. Roberts practices in Vallejo, California.
Dr. Roberts' NPI, 1790864585, was assigned on November 3, 2006. Dr. Roberts graduated from UC Davis School of Medicine in 1982. Dr. Roberts' California license number on file is G51460.
- NPI
- 1790864585NPI Registry (opens in a new tab)
- NPI enumeration date
- November 3, 2006
- NPI status
- Active
- Practice phone
- (707) 651-1000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Medical school graduation
- 1982
Sources: NPPES NPI Registry (CMS); and Dmand AI Professional Profile Data
Dr. Mark S. Roberts' practice address is in Vallejo, California
Dr. Roberts' practice address in the NPI Registry is 975 Sereno Dr, Vallejo, CA 94589-2441. The practice phone is (707) 651-1000.
- NPI Registry address975 Sereno Dr, Vallejo, CA 94589-2441Phone(707) 651-1000
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dmand AI tracks the EHR system at Dr. Mark S. Roberts' practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Roberts practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Dr. Roberts' practice | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across each health system and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Mark S. Roberts is one of 821 rheumatologists in California
Rheumatology is Dr. Roberts' primary specialty in the NPI Registry, under taxonomy code 207RR0500X. Dr. Roberts has a license on file in California.
Specialties and state licenses
- Rheumatology, CaliforniaPrimary
Rheumatologists near Dr. Roberts
Counts of rheumatologists 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. Mark S. Roberts' patients have a median age of 38
Across all payers, Dmand AI patient panel data puts Dr. Roberts' median patient age at 38, with 0% women.
Dr. Roberts' patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 38
Patient panel by sex, all payers
- Women0%
- Men100%
Source: Dmand AI Patient Panel Data
Dr. Mark S. Roberts wrote 43 Medicare Part D claims in 2016
In 2016, Dr. Roberts wrote 43 Medicare Part D claims. Every claim was for a generic drug. They cover 2 drugs, with $1,424 in total drug cost.
Dr. Roberts' most prescribed drugs by claims, 2016
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
For MedTech and pharma teams
Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Dr. Mark S. Roberts graduated from UC Davis School of Medicine
Dr. Roberts graduated from UC Davis School of Medicine in 1982.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Mark S. Roberts'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 |
| 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) |
| 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. Mark S. Roberts
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. Mark S. Roberts' NPI number?
Dr. Mark S. Roberts' NPI number is 1790864585. It was assigned on November 3, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Mark S. Roberts?
Dr. Mark S. Roberts is a rheumatologist in Vallejo, California. The primary specialty in the NPI Registry is Rheumatology Physician (taxonomy code 207RR0500X).
Where does Dr. Mark S. Roberts practice?
Dr. Roberts practices at 975 Sereno Dr, Vallejo, CA 94589-2441.
What is Dr. Mark S. Roberts' office phone number?
The practice phone on file for Dr. Roberts is (707) 651-1000.
What is Dr. Mark S. Roberts' medical license number?
Dr. Roberts' California license number on file is G51460.
Where did Dr. Mark S. Roberts go to medical school?
Dr. Roberts graduated from UC Davis School of Medicine in 1982.
What drugs does Dr. Mark S. Roberts prescribe most?
In 2016 Medicare Part D data, Dr. Roberts' most prescribed drugs by claims were Prednisone and Alendronate Sodium.
How long has Dr. Mark S. Roberts been practicing?
Dr. Roberts graduated from medical school in 1982, 44 years ago.
Selling to rheumatology practices?
See rheumatologists 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