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Dr. Diego E. Ruiz, MD
NPI1790727097PAC ID4183616279
- Medicare services, 2024
- 17,687
- Medicare patients, 2024
- 911
- Publications
- 4
- Industry payments
- $23
- Affiliated sites
- 2
- Practice address
- 795 El Camino Real, Palo Alto, CA 94301
- Practice phone
- Call (650) 324-1832
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Surgery Center Palo Alto
Surgery Center - Medicare-Certified · Palo Alto, California
Find Dr. Ruiz's professional email, personal email and mobile number
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Dr. Diego E. Ruiz is a diagnostic radiologist in Palo Alto, California
Dr. Ruiz practices at Surgery Center Palo Alto in Palo Alto, California.
Dr. Ruiz's NPI, 1790727097, was assigned on June 12, 2006. Dr. Ruiz graduated from UCSF School of Medicine in 1999. Dr. Ruiz holds California license A73489.
NPI and contact details
- NPI
- 1790727097NPI Registry (opens in a new tab)
- Medicare PAC ID
- 4183616279
- NPI enumeration date
- June 12, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (650) 324-1832
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 53
- Medical school graduation
- 1999
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Diego E. Ruiz practices at Surgery Center Palo Alto in Palo Alto, California
Dr. Ruiz's primary practice is Surgery Center Palo Alto, at 795 El Camino Real, Palo Alto, CA 94301. The practice phone is (650) 324-1832.
- Surgery Center Palo Alto795 El Camino Real, Palo Alto, CA 94301Phone(650) 324-1832
Source: Dmand AI Affiliation Data
Dr. Diego E. Ruiz is affiliated with 2 sites of care and 2 medical groups
Dr. Ruiz's primary practice is Surgery Center Palo Alto in Palo Alto, California. The medical group on file is Palo Alto Foundation Medical Group. Dmand AI also links Dr. Ruiz to 1 more group practice or clinic and 1 medical group, each named with a free account.
Surgery Center Palo AltoPrimary
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Diego E. Ruiz's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Ruiz practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Surgery Center Palo Alto | 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. Diego E. Ruiz is one of 4,096 diagnostic radiologists in California
Diagnostic radiology is Dr. Ruiz's primary specialty in the NPI Registry, under taxonomy code 2085R0202X. Dr. Ruiz is board certified in diagnostic radiology by the American Board of Radiology. Dr. Ruiz is licensed in California.
Specialties and state licenses
- Diagnostic radiology, CaliforniaPrimary
Diagnostic radiologists near Dr. Ruiz
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. Diego E. Ruiz billed Medicare for 17,687 services in 2024
CMS data shows 17,687 Medicare services from Dr. Ruiz across 29 procedure codes in 2024, for 911 Medicare patients. Medicare paid $123,540 for them. Every service was in an office.
Medicare services, 202417,687
Medicare patients911
Paid by Medicare$123,540
Procedure codes29
Dr. Ruiz's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Other services
- 2023: 17,5412024: 16,8104%
- Imaging
- 2023: 8682024: 8771%
Dr. Ruiz compared with the California median for diagnostic radiologists, 2024
- Dr. Ruiz
- California median
- Medicare services
- 17,687vs 2,2817.8 times
- Medicare patients
- 911vs 1,34632% below
Medians across 3,734 diagnostic radiologists in California with Dmand AI profiles that report each measure.
Dr. Ruiz's 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. Ruiz?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Ruiz and other diagnostic radiologists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Diego E. Ruiz treated 911 Medicare patients in 2024, average age 76
CMS counts 911 Medicare patients who saw Dr. Ruiz in 2024. The largest group is 65 to 74, with 401 patients. 75% of them have high cholesterol, and 62% have high blood pressure. 8% are also on Medicaid. Their average risk score is 0.97, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Ruiz's median patient age at 58, with 47% women.
Medicare patients, 2024911
Average age76
Average risk score0.97
Also on Medicaid8%
Dr. Ruiz's Medicare patients by age, 2024
Dr. Ruiz's Medicare patients by sex, 2024
- Women52558%
- Men38642%
Chronic conditions among Dr. Ruiz's Medicare patients, 2024
- High cholesterol75%
- High blood pressure62%
- Arthritis53%
- Ischemic heart disease28%
- Osteoporosis22%
- Diabetes20%
- Cancer18%
- Chronic kidney disease17%
Share of Medicare patients with each condition. A patient can have several.
Dr. Ruiz's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 58
Patient panel by sex, all payers
- Women47%
- Men50%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
How Dr. Diego E. Ruiz takes part in Medicare
Dr. Ruiz 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. Diego E. Ruiz has 4 publications on record
Dmand AI links 4 papers to Dr. Ruiz in 2017. 2017 was the busiest year, with 2. The most frequent topics are Tomography, X-Ray Computed. Dr. Ruiz has published most often in AJR Am J Roentgenol. Dr. Ruiz's most frequent co-authors are Samuel Kang-Nien Dawn, MD and Farhan Fadoo, MD.
Papers4
Topics Dr. Ruiz writes about most
- Tomography, X-Ray Computed
Dr. Ruiz's most frequent co-authors
Recent publications by Dr. Ruiz
Amino AcidsPrincipal Component Analysis
AJR Am J Roentgenol
Esophageal DiseasesEsophageal PerforationRupture, Spontaneous
AJR Am J Roentgenol
Angiography, Digital SubtractionArteriovenous FistulaCentral Nervous System Vascular Malformations
See who Dr. Ruiz researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Ruiz 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. Diego E. Ruiz received $23 in industry payments in 2020
CMS Open Payments shows 1 general payment to Dr. Ruiz from 1 drug or device company in 2020. Food and beverage make up the largest share, 100% of the total. DePuy Synthes Sales Inc. paid the most, $23.
Companies that paid Dr. Ruiz the most, 2020 to 2020
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Diego E. Ruiz graduated from UCSF School of Medicine
Dr. Ruiz graduated from UCSF School of Medicine in 1999.
- Medical school
- Board certified in diagnostic radiology
Source: Dmand AI Professional Profile Data
Dr. Diego E. Ruiz accepts plans from 1 insurance carrier
Dr. Ruiz is in network with 1 carrier, including CMS Medicare. Medicare plans come from the most carriers, 1. Check the plan with the practice before a visit.
- CMS Medicare
Source: Dmand AI Insurance Network Data
Sources for Dr. Diego E. Ruiz'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 | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand 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. Diego E. Ruiz
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. Diego E. Ruiz's NPI number?
Dr. Diego E. Ruiz's NPI number is 1790727097. It was assigned on June 12, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Diego E. Ruiz?
Dr. Diego E. Ruiz is a diagnostic radiologist in Palo Alto, California. The primary specialty in the NPI Registry is Diagnostic Radiology Physician (taxonomy code 2085R0202X).
Where does Dr. Diego E. Ruiz practice?
Dr. Ruiz practices at 795 El Camino Real, Palo Alto, CA 94301. Dr. Ruiz's primary practice is Surgery Center Palo Alto in Palo Alto, California. Dmand AI also links Dr. Ruiz to 1 group practice or clinic and 1 medical group.
What is Dr. Diego E. Ruiz's office phone number?
The practice phone on file for Dr. Ruiz is (650) 324-1832.
What is Dr. Diego E. Ruiz's medical license number?
Dr. Ruiz holds California license A73489.
What medical group is Dr. Diego E. Ruiz part of?
Dr. Ruiz is linked to Palo Alto Foundation Medical Group. Dmand AI links Dr. Ruiz to 1 more medical group.
Does Dr. Diego E. Ruiz accept Medicare?
Yes. CMS data shows Dr. Ruiz billed Medicare for 17,687 services in 2024, and Dr. Ruiz accepts Medicare assignment.
How many Medicare patients does Dr. Diego E. Ruiz see?
CMS counts 911 Medicare patients who saw Dr. Ruiz in 2024, with an average age of 76.
Is Dr. Diego E. Ruiz board certified?
Yes. Dr. Ruiz is board certified in diagnostic radiology by the American Board of Radiology.
What services does Dr. Diego E. Ruiz bill to Medicare?
In 2024, Dr. Ruiz's most billed Medicare services were medicare temporary code (Q9967), medical supplies or transport (A9585) and diagnostic imaging (71250).
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Where did Dr. Diego E. Ruiz go to medical school?
Dr. Ruiz graduated from UCSF School of Medicine in 1999.
Has Dr. Diego E. Ruiz received payments from drug or device companies?
CMS Open Payments shows $23 in general payments to Dr. Ruiz from 1 company from 2020 to 2020. The largest total came from DePuy Synthes Sales Inc.
How long has Dr. Diego E. Ruiz been practicing?
Dr. Ruiz graduated from medical school in 1999, 27 years ago.
Does Dr. Diego E. Ruiz do research?
Dmand AI links 4 publications to Dr. Ruiz.
Who does Dr. Diego E. Ruiz publish with?
Dr. Ruiz's most frequent co-authors are Samuel Kang-Nien Dawn, MD (1 shared paper) and Farhan Fadoo, MD (1 shared paper).
What insurance does Dr. Diego E. Ruiz accept?
Dr. Ruiz is in network with 1 carrier, including CMS Medicare. Medicare plans come from the most carriers, 1. Check the plan with the practice before a visit.
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