Carcinoma, HepatocellularDiagnosis, DifferentialLiver
Dr. Robert M. Marks, MD
NPI1952389934PAC ID0648510644
- Medicare services, 2024
- 3,654
- Medicare patients, 2024
- 1,721
- Publications
- 40
- Hospital affiliations
- 2
- Industry payments
- $1,477
- Practice address
- 200 W Arbor Dr, San Diego, CA 92103
- Practice phone
- Call (619) 543-6222
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
UCSD Hillcrest Medical Center
San Diego, California
Find Dr. Marks' professional email, personal email and mobile number
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Dr. Robert M. Marks is a diagnostic radiologist in San Diego, California
Dr. Marks practices at UCSD Hillcrest Medical Center in San Diego, California.
Dr. Marks' NPI, 1952389934, was assigned on January 9, 2006. Dr. Marks graduated from Uniformed Services University, F. Edward Hebert School of Medicine in 2003. Dr. Marks holds California license A115955.
NPI and contact details
- NPI
- 1952389934NPI Registry (opens in a new tab)
- Medicare PAC ID
- 0648510644
- NPI enumeration date
- January 9, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (619) 543-6222
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 49
- Medical school graduation
- 2003
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Robert M. Marks practices at UCSD Hillcrest Medical Center in San Diego, California
Dr. Marks' primary practice is UCSD Hillcrest Medical Center, at 200 W Arbor Dr, San Diego, CA 92103 in San Diego County. The practice phone is (619) 543-6222.
- UCSD Hillcrest Medical Center200 W Arbor Dr, San Diego, CA 92103 · San Diego CountyPhone(619) 543-6222
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Robert M. Marks is affiliated with 3 sites of care and 2 medical groups
Dr. Marks' primary practice is UCSD Hillcrest Medical Center in San Diego, California. Dr. Marks is also affiliated with Hillcrest Medical Center. The medical group on file is UC San Diego Health. Dmand AI also links Dr. Marks to 1 more hospital and 1 medical group, each named with a free account.
UCSD Hillcrest Medical CenterPrimary
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 M. Marks' practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Marks practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| UCSD Hillcrest Medical Center | Available with a free account |
| +2 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Robert M. Marks is one of 4,096 diagnostic radiologists in California
Diagnostic radiology is Dr. Marks' primary specialty in the NPI Registry, under taxonomy code 2085R0202X. Dr. Marks is board certified in diagnostic radiology by the American Board of Radiology. Dr. Marks is licensed in California.
Specialties and state licenses
- Diagnostic radiology, CaliforniaPrimary
Diagnostic radiologists near Dr. Marks
Counts of diagnostic radiologists 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 M. Marks billed Medicare for 3,654 services in 2024
CMS data shows 3,654 Medicare services from Dr. Marks across 30 procedure codes in 2024, for 1,721 Medicare patients. Medicare paid $93,549 for them.
Medicare services, 20243,654
Medicare patients1,721
Paid by Medicare$93,549
Procedure codes30
Dr. Marks' Medicare services by type, 2023 to 2024
- 2023
- 2024
- Imaging
- 2023: 8652024: 1,747102%
- Other services
- 2023: 02024: 1,590
- Tests and treatments
- 2023: 1692024: 31788%
Where Dr. Marks' Medicare services took place, 2024
- In an office1,62745%
- In a facility2,02755%
Dr. Marks compared with the California median for diagnostic radiologists, 2024
- Dr. Marks
- California median
- Medicare services
- 3,654vs 2,28160% above
- Medicare patients
- 1,721vs 1,34628% above
Medians across 3,734 diagnostic radiologists in California with Dmand AI profiles that report each measure.
Dr. Marks' most billed Medicare procedure codes, 2024
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. Marks?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Marks and other diagnostic radiologists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Robert M. Marks treated 1,721 Medicare patients in 2024, average age 72
CMS counts 1,721 Medicare patients who saw Dr. Marks in 2024. The largest group is 65 to 74, with 766 patients. 75% of them have high blood pressure, and 73% have high cholesterol. 36% are also on Medicaid. Their average risk score is 2.50, 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. Marks' median patient age at 61, with 53% women.
Medicare patients, 20241,721
Average age72
Average risk score2.50
Also on Medicaid36%
Dr. Marks' Medicare patients by age, 2024
Dr. Marks' Medicare patients by sex, 2024
- Women83048%
- Men89152%
Chronic conditions among Dr. Marks' Medicare patients, 2024
- High blood pressure75%
- High cholesterol73%
- Arthritis49%
- Chronic kidney disease37%
- Diabetes36%
- Mood disorders36%
- Ischemic heart disease35%
- Cancer34%
Share of Medicare patients with each condition. A patient can have several.
Dr. Marks' patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 61
Patient panel by sex, all payers
- Women53%
- Men46%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
How Dr. Robert M. Marks takes part in Medicare
Dr. Marks accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Robert M. Marks has 40 publications on record
Dmand AI links 40 papers to Dr. Marks, published from 2010 to 2025. 2024 was the busiest year, with 4. The most frequent topics are Liver Neoplasms, Magnetic Resonance Imaging and Carcinoma, Hepatocellular. Dr. Marks has published most often in Abdom Radiol (NY). Dr. Marks' most frequent co-authors are Claude B. Sirlin, Khaled M. Elsayes, MBCHB and Victoria Chernyak, MD.
Papers40
Years published2010 to 2025
Dr. Marks' papers by year, 2015 to 2025
Topics Dr. Marks writes about most
- Liver Neoplasms
- Magnetic Resonance Imaging
- Carcinoma, Hepatocellular
- Contrast Media
- Tomography, X-Ray Computed
- Liver
- Gadolinium DTPA
- Liver Cirrhosis
Dr. Marks' most frequent co-authors
- Claude B. Sirlin15 shared papers
- Khaled M. Elsayes, MBCHB12 shared papers
- Victoria Chernyak, MD11 shared papers
Recent publications by Dr. Marks
Abdom Radiol (NY)
Carcinoma, HepatocellularLiver NeoplasmsRadiology Information Systems
Abdom Radiol (NY)
Intrauterine Devices, CopperMagnetic Resonance Imaging
Bile Duct NeoplasmsCholangiocarcinomaContrast Media
See who Dr. Marks researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Marks works with, so you can find a warm path to the right diagnostic radiologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Robert M. Marks received $1,477 in industry payments from 2017 to 2025
CMS Open Payments shows 8 general payments to Dr. Marks from 5 drug and device companies from 2017 to 2025. Consulting fees make up the largest share, 51% of the total. Guerbet LLC paid the most, $1,362.
General payments to Dr. Marks by program year, 2017 to 2025
General payments to Dr. Marks by kind, 2017 to 2025
$1.5Kin total
- Consulting fees$75051%
- Travel and lodging$39827%
- Food and beverage$32922%
Companies that paid Dr. Marks the most, 2017 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Robert M. Marks graduated from Uniformed Services University, F. Edward Hebert School of Medicine
Dr. Marks graduated from Uniformed Services University, F. Edward Hebert School of Medicine in 2003.
- Medical school
- Board certified in diagnostic radiology
Source: Dmand AI Professional Profile Data
Dr. Robert M. Marks accepts plans from 8 insurance carriers
Dr. Marks is in network with 8 carriers, including Excellus BlueCross BlueShield, Humana and Cigna. Medicare plans come from the most carriers, 5. Check the plan with the practice before a visit.
- Excellus BlueCross BlueShield
- Humana
- Cigna
- Molina
- United Healthcare
- Blue Cross and Blue Shield of Kansas City
- CMS Medicare
- GA State Medicaid
Plan types Dr. Marks accepts, by number of carriers
- Medicare5
- HMO4
- PPO3
- EPO2
- POS2
- Medicaid1
Source: Dmand AI Insurance Network Data
Sources for Dr. Robert M. Marks'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 DataMedicare Physician & Other Practitioners - 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) |
| 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 M. Marks
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 M. Marks' NPI number?
Dr. Robert M. Marks' NPI number is 1952389934. It was assigned on January 9, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Robert M. Marks?
Dr. Robert M. Marks is a diagnostic radiologist in San Diego, California. The primary specialty in the NPI Registry is Diagnostic Radiology Physician (taxonomy code 2085R0202X).
Where does Dr. Robert M. Marks practice?
Dr. Marks practices at 200 W Arbor Dr, San Diego, CA 92103. Dr. Marks' primary practice is UCSD Hillcrest Medical Center in San Diego, California. Dmand AI also links Dr. Marks to 1 hospital and 1 medical group.
What is Dr. Robert M. Marks' office phone number?
The practice phone on file for Dr. Marks is (619) 543-6222.
What is Dr. Robert M. Marks' medical license number?
Dr. Marks holds California license A115955.
Which hospitals is Dr. Robert M. Marks affiliated with?
Dr. Marks is affiliated with Hillcrest Medical Center. Dmand AI links Dr. Marks to 1 more hospital.
What medical group is Dr. Robert M. Marks part of?
Dr. Marks is linked to UC San Diego Health. Dmand AI links Dr. Marks to 1 more medical group.
Does Dr. Robert M. Marks accept Medicare?
Yes. CMS data shows Dr. Marks billed Medicare for 3,654 services in 2024, and Dr. Marks accepts Medicare assignment.
How many Medicare patients does Dr. Robert M. Marks see?
CMS counts 1,721 Medicare patients who saw Dr. Marks in 2024, with an average age of 72.
Is Dr. Robert M. Marks board certified?
Yes. Dr. Marks is board certified in diagnostic radiology by the American Board of Radiology.
Show 7 more questionsShow fewer questions
What services does Dr. Robert M. Marks bill to Medicare?
In 2024, Dr. Marks' most billed Medicare services were medical supplies or transport (A9585), diagnostic imaging (74177) and diagnostic imaging (74018).
Where did Dr. Robert M. Marks go to medical school?
Dr. Marks graduated from Uniformed Services University, F. Edward Hebert School of Medicine in 2003.
Has Dr. Robert M. Marks received payments from drug or device companies?
CMS Open Payments shows $1,477 in general payments to Dr. Marks from 5 companies from 2017 to 2025. The largest total came from Guerbet LLC.
How long has Dr. Robert M. Marks been practicing?
Dr. Marks graduated from medical school in 2003, 23 years ago.
Does Dr. Robert M. Marks do research?
Dmand AI links 40 publications to Dr. Marks, published from 2010 to 2025.
Who does Dr. Robert M. Marks publish with?
Dr. Marks' most frequent co-authors are Claude B. Sirlin (15 shared papers), Khaled M. Elsayes, MBCHB (12 shared papers) and Victoria Chernyak, MD (11 shared papers).
What insurance does Dr. Robert M. Marks accept?
Dr. Marks is in network with 8 carriers, including Excellus BlueCross BlueShield, Humana and Cigna. Medicare plans come from the most carriers, 5. Check the plan with the practice before a visit.
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