Dr. Robert J. Sosa, MD
- Part D claims, 2024
- 626
- Hospital affiliations
- 1
- Industry payments
- $16
- Medical group
- 1
- Insurance carriers
- 12
- 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. Sosa'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. Robert J. Sosa is an internist in Richmond, California
Dr. Sosa practices at Richmond Medical Center in Richmond, California.
Dr. Sosa's NPI, 1902984008, was assigned on November 2, 2006. Dr. Sosa graduated from Saint Louis University School Of Medicine in 1996. Dr. Sosa holds California license A64493.
- NPI
- 1902984008NPI Registry (opens in a new tab)
- NPI enumeration date
- November 2, 2006
- NPI status
- Active
- Practice phone
- (510) 307-1555
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 56
- Medical school graduation
- 1996
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Practice Data
Dr. Robert J. Sosa practices at Richmond Medical Center in Richmond, California
Dr. Sosa's 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. Robert J. Sosa is affiliated with 2 sites of care and 1 medical group
Dr. Sosa's primary practice is Richmond Medical Center in Richmond, California. Dr. Sosa is also affiliated with Walnut Creek Medical Center. The medical group on file is The Permanente Medical Group, Inc.
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. Robert J. Sosa's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Sosa 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 affiliated site | 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. Robert J. Sosa is one of 16,751 internists in California
Internal medicine is Dr. Sosa's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Sosa is board certified in internal medicine by the American Board of Internal Medicine. Dr. Sosa is licensed in California.
Specialties and state licenses
- Internal medicine, CaliforniaPrimary
Clinical focus
Dmand AI lists high cholesterol and muscle pain, fibromyalgia, and limb pain among the conditions Dr. Sosa treats.
Internists near Dr. Sosa
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. Robert J. Sosa's patients have a median age of 53
Across all payers, Dmand AI patient panel data puts Dr. Sosa's median patient age at 53, with 61% women.
Dr. Sosa's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 53
Patient panel by sex, all payers
- Women61%
- Men39%
Source: Dmand AI Patient Panel Data
Dr. Robert J. Sosa wrote 626 Medicare Part D claims in 2024
In 2024, Dr. Sosa wrote 626 Medicare Part D claims for 295 patients. 91% of them were for generic drugs. CMS names the drug for 313 of them, across 15 drugs with 11 or more claims each, at $6,063 in total drug cost. In 2023, CMS named 4,841 claims across 89 drugs.
Dr. Sosa's Part D claims by kind of drug, 2024
- Generic570 claims91%
- Brand-name and other56 claims9%
Dr. Sosa'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. Sosa's Part D claims, 2024
- Antibiotics2%14 of 626 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: 4,8412024: 31394%
Drugs named by CMS: 15 in 2024, 89 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
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. Robert J. Sosa received $16 in industry payments in 2016
CMS Open Payments shows 1 general payment to Dr. Sosa from 1 drug or device company in 2016. Food and beverage make up the largest share, 100% of the total. Baxalta US Inc paid the most, $16.
Companies that paid Dr. Sosa 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. Robert J. Sosa has 1 award and honors on record
Dmand AI lists 1 award for Dr. Sosa, most recently CMS Stage 1 2012 in 2011.
Awards and honors for Dr. Sosa
- 2011
- CMS Stage 1 2012
Source: Dmand AI Professional Profile Data
Dr. Robert J. Sosa graduated from Saint Louis University School Of Medicine
Dr. Sosa graduated from Saint Louis University School Of Medicine in 1996.
- Medical school
- Board certified in internal medicine
Source: Dmand AI Professional Profile Data
Dr. Robert J. Sosa accepts plans from 12 insurance carriers
Dr. Sosa is in network with 12 carriers, including United Healthcare, Elevance and Aetna. PPO plans come from the most carriers, 7. Check the plan with the practice before a visit.
- United Healthcare
- Elevance
- Aetna
- Blue Cross Blue Shield of Michigan
- HCSC
- Alliant Health Plans
- Aspirus Health Plan
- Blue Cross and Blue Shield of Kansas City
- +4 more carriersWith a free account
Plan types Dr. Sosa accepts, by number of carriers
- PPO7
- HMO6
- EPO3
- Medicare2
- POS2
Source: Dmand AI Insurance Network Data
Sources for Dr. Robert J. Sosa'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 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) |
| 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. Robert J. Sosa
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. Robert J. Sosa's NPI number?
Dr. Robert J. Sosa's NPI number is 1902984008. It was assigned on November 2, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Robert J. Sosa?
Dr. Robert J. Sosa is an internist in Richmond, California. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Robert J. Sosa practice?
Dr. Sosa practices at 901 Nevin Ave, Richmond, CA 94801. Dr. Sosa's primary practice is Richmond Medical Center in Richmond, California.
What is Dr. Robert J. Sosa's office phone number?
The practice phone on file for Dr. Sosa is (510) 307-1555.
What is Dr. Robert J. Sosa's medical license number?
Dr. Sosa holds California license A64493.
Which hospitals is Dr. Robert J. Sosa affiliated with?
Dr. Sosa is affiliated with Walnut Creek Medical Center.
What medical group is Dr. Robert J. Sosa part of?
Dr. Sosa is linked to The Permanente Medical Group, Inc.
Is Dr. Robert J. Sosa board certified?
Yes. Dr. Sosa is board certified in internal medicine by the American Board of Internal Medicine.
Where did Dr. Robert J. Sosa go to medical school?
Dr. Sosa graduated from Saint Louis University School Of Medicine in 1996.
What drugs does Dr. Robert J. Sosa prescribe most?
In 2024 Medicare Part D data, Dr. Sosa's most prescribed drugs by claims were Atorvastatin Calcium, Amlodipine Besylate and Famotidine.
Show 3 more questionsShow fewer questions
Has Dr. Robert J. Sosa received payments from drug or device companies?
CMS Open Payments shows $16 in general payments to Dr. Sosa from 1 company from 2016 to 2016. The largest total came from Baxalta US Inc.
How long has Dr. Robert J. Sosa been practicing?
Dr. Sosa graduated from medical school in 1996, 30 years ago.
What insurance does Dr. Robert J. Sosa accept?
Dr. Sosa is in network with 12 carriers, including United Healthcare, Elevance and Aetna. PPO plans come from the most carriers, 7. Check the plan with the practice before a visit.
Selling to internal medicine practices?
See internists 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