Dr. Robert Diaz, MD
- Medicare services, 2024
- 198
- Medicare patients, 2024
- 105
- Part D claims, 2024
- 127
- Publications
- 1
- MIPS score, 2024
- 80
- Practice address
- 9888 Genesee Avenue, La Jolla, CA 92037
- Practice phone
- Call (858) 626-4123
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Diaz'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 Diaz is an internist in La Jolla, California
Dr. Diaz practices at Scripps Memorial Hospital La Jolla in La Jolla, California, part of Scripps Health.
Dr. Diaz's NPI, 1326299033, was assigned on October 1, 2008. Dr. Diaz holds Florida license ME104818.
- NPI
- 1326299033NPI Registry (opens in a new tab)
- NPI enumeration date
- October 1, 2008
- NPI status
- Active
- Practice phone
- (858) 626-4123
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 46
- Medical school graduation
- 2006
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. Robert Diaz practices at Scripps Memorial Hospital La Jolla in La Jolla, California
Dr. Diaz's primary practice is Scripps Memorial Hospital La Jolla, at 9888 Genesee Avenue, La Jolla, CA 92037 in San Diego County. The practice phone is (858) 626-4123.
- Scripps Memorial Hospital La Jolla9888 Genesee Avenue, La Jolla, CA 92037 · San Diego CountyPhone(858) 626-4123
Source: Dmand AI Affiliation Data
Dr. Robert Diaz is affiliated with 3 sites of care and 1 medical group
Dr. Diaz's primary practice is Scripps Memorial Hospital La Jolla in La Jolla, California, part of Scripps Health. The medical group on file is Orlando Health Medical Group. Dmand AI also links Dr. Diaz to 2 more physician offices, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Robert Diaz's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Diaz practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Scripps Memorial Hospital La Jolla | Available with a free account |
| +2 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Robert Diaz is one of 16,751 internists in California
Internal medicine is Dr. Diaz's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Diaz is board certified in internal medicine by the American Board of Internal Medicine. Dr. Diaz is licensed in Florida.
Specialties and state licenses
- Internal medicine, FloridaPrimary
Clinical focus
Dmand AI lists anemia, atherosclerosis, cardiac arrhythmia, circulatory problems in extremities, congestive heart failure, gastrointestinal bleeding, gastrointestinal infection and heart attack among the conditions Dr. Diaz treats.
Internists near Dr. Diaz
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 Diaz billed Medicare for 198 services in 2024
CMS data shows 198 Medicare services from Dr. Diaz across 2 procedure codes in 2024, for 105 Medicare patients. Medicare paid $12,113 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Diaz's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 1492024: 19833%
Dr. Diaz compared with the California median for internists, 2024
- Dr. Diaz
- California median
- Medicare services
- 198vs 36145% below
- Medicare patients
- 105vs 15130% below
- Part D claims
- 50vs 42188% below
Medians across 15,815 internists in California with Dmand AI profiles that report each measure.
Dr. Diaz'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. Diaz?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Diaz and other internists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Robert Diaz treated 105 Medicare patients in 2024, average age 75
CMS counts 105 Medicare patients who saw Dr. Diaz in 2024. The largest group is 75 to 84, with 38 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 34% are also on Medicaid. Their average risk score is 3.26, 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. Diaz's median patient age at 65, with 83% women.
Dr. Diaz's Medicare patients by age, 2024
Dr. Diaz's Medicare patients by sex, 2024
- Women5653%
- Men4947%
Chronic conditions among Dr. Diaz's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Ischemic heart disease62%
- Chronic kidney disease59%
- Arthritis58%
- Mood disorders53%
- Heart failure52%
- Anxiety50%
Share of Medicare patients with each condition. A patient can have several.
Dr. Diaz's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 65
Patient panel by sex, all payers
- Women83%
- Men17%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Robert Diaz wrote 127 Medicare Part D claims in 2024
In 2024, Dr. Diaz wrote 127 Medicare Part D claims for 50 patients. 92% of them were for generic drugs. CMS names the drug for 50 of them, across 3 drugs with 11 or more claims each, at $303 in total drug cost. In 2021, CMS named 190 claims across 11 drugs.
Dr. Diaz's Part D claims by kind of drug, 2024
- Generic117 claims92%
- Brand-name and other10 claims8%
Dr. Diaz's most prescribed drugs by claims, 2022
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. Diaz's Part D claims, 2024
- Antibiotics10%13 of 127 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, 2021 to 2022
- 2021
- 2022
- Claims for drugs CMS names
- 2021: 1902022: 5074%
Drugs named by CMS: 3 in 2022, 11 in 2021.
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. Robert Diaz scored 80 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 80 out of 100 for Dr. Diaz for performance year 2024, reported as part of a group.
Dr. Diaz's MIPS scores, performance year 2024
- 80of 100Final score
- 61.2of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
- 72of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Source: Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
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Dr. Robert Diaz has 1 publication on record
Dmand AI links 1 paper to Dr. Diaz in 2024. Dr. Diaz's most frequent co-author is Nima Sharifi, MD.
Dr. Diaz's most frequent co-authors
Recent publications by Dr. Diaz
See who Dr. Diaz researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Diaz works with, so you can find a warm path to the right internists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Robert Diaz received $704 in industry payments from 2016 to 2025
CMS Open Payments shows 19 general payments to Dr. Diaz from 9 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 100% of the total. AstraZeneca Pharmaceuticals LP paid the most, $157.
General payments to Dr. Diaz by program year, 2016 to 2025
Companies that paid Dr. Diaz the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Robert Diaz is board certified in internal medicine
- Board certified in internal medicine
Source: Dmand AI Professional Profile Data
Dr. Robert Diaz accepts plans from 6 insurance carriers
Dr. Diaz is in network with 6 carriers, including Elevance, Excellus BlueCross BlueShield and Cigna. Medicare plans come from the most carriers, 4. Check the plan with the practice before a visit.
- Elevance
- Excellus BlueCross BlueShield
- Cigna
- CMS Medicare
- GA State Medicaid
- RI State Medicaid
Plan types Dr. Diaz accepts, by number of carriers
- Medicare4
- HMO3
- PPO3
- EPO2
- Medicaid2
- POS2
Source: Dmand AI Insurance Network Data
Sources for Dr. Robert Diaz'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) |
| 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 | Clinician Public Reporting: Overall MIPS Performance (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 Diaz
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 Diaz's NPI number?
Dr. Robert Diaz's NPI number is 1326299033. It was assigned on October 1, 2008, and it is active in the NPI Registry.
What kind of doctor is Dr. Robert Diaz?
Dr. Robert Diaz is an internist in La Jolla, California. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Robert Diaz practice?
Dr. Diaz practices at 9888 Genesee Avenue, La Jolla, CA 92037. Dr. Diaz's primary practice is Scripps Memorial Hospital La Jolla in La Jolla, California, part of Scripps Health. Dmand AI also links Dr. Diaz to 2 physician offices.
What is Dr. Robert Diaz's office phone number?
The practice phone on file for Dr. Diaz is (858) 626-4123.
What is Dr. Robert Diaz's medical license number?
Dr. Diaz holds Florida license ME104818.
Which hospitals is Dr. Robert Diaz affiliated with?
Dr. Diaz practices at Scripps Memorial Hospital La Jolla in La Jolla, California.
What medical group is Dr. Robert Diaz part of?
Dr. Diaz is linked to Orlando Health Medical Group.
Does Dr. Robert Diaz accept Medicare?
Yes. CMS data shows Dr. Diaz billed Medicare for 198 services in 2024.
What is Dr. Robert Diaz's MIPS score?
Dr. Diaz's MIPS final score for performance year 2024 is 80 out of 100, reported as part of a group.
How many Medicare patients does Dr. Robert Diaz see?
CMS counts 105 Medicare patients who saw Dr. Diaz in 2024, with an average age of 75.
Show 8 more questionsShow fewer questions
Is Dr. Robert Diaz board certified?
Yes. Dr. Diaz is board certified in internal medicine by the American Board of Internal Medicine.
What services does Dr. Robert Diaz bill to Medicare?
In 2024, Dr. Diaz's most billed Medicare services were hospital inpatient care (99232) and hospital inpatient care (99238).
What drugs does Dr. Robert Diaz prescribe most?
In 2022 Medicare Part D data, Dr. Diaz's most prescribed drugs by claims were Amlodipine Besylate, Pantoprazole Sodium and Atorvastatin Calcium.
Has Dr. Robert Diaz received payments from drug or device companies?
CMS Open Payments shows $704 in general payments to Dr. Diaz from 9 companies from 2016 to 2025. The largest total came from AstraZeneca Pharmaceuticals LP.
How long has Dr. Robert Diaz been practicing?
Dr. Diaz graduated from medical school in 2006, 20 years ago.
Does Dr. Robert Diaz do research?
Dmand AI links 1 publication to Dr. Diaz.
Who does Dr. Robert Diaz publish with?
Dr. Diaz's most frequent co-authors are Nima Sharifi, MD (1 shared paper).
What insurance does Dr. Robert Diaz accept?
Dr. Diaz is in network with 6 carriers, including Elevance, Excellus BlueCross BlueShield and Cigna. Medicare plans come from the most carriers, 4. Check the plan with the practice before a visit.
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