Dr. Marco R. Randazzo, MD

  • San Jose, CA
  • Emergency medicine physician
NPI1972545952PAC ID3476517392
Medicare services, 2024
696
Medicare patients, 2024
428
Part D claims, 2024
256
Publications
1
MIPS score, 2024
61
Practice address
225 N Jackson Avenue, San Jose, CA 95116
Practice phone
Call (408) 259-5000
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Regional Medical Center

Hospital · San Jose, California

See all 6 affiliations

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Dr. Marco R. Randazzo is an emergency medicine physician in San Jose, California

Dr. Randazzo practices at Regional Medical Center in San Jose, California, part of County of Santa Clara, CA.

Dr. Randazzo's NPI, 1972545952, was assigned on June 12, 2006. Dr. Randazzo graduated from St. George's University School of Medicine in 1997. Dr. Randazzo holds California license A69186.

NPI and contact details
Medicare PAC ID
3476517392
NPI enumeration date
June 12, 2006
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(408) 259-5000
Professional email
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Personal email
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Mobile number
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Sex
Male
Estimated age
55
Medical school graduation
1997

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Dr. Marco R. Randazzo practices at Regional Medical Center in San Jose, California

Dr. Randazzo's primary practice is Regional Medical Center, at 225 N Jackson Avenue, San Jose, CA 95116 in Santa Clara County. The practice phone is (408) 259-5000.

Source: Dmand AI Affiliation Data

Dr. Marco R. Randazzo is affiliated with 3 sites of care and 3 medical groups

Dr. Randazzo's primary practice is Regional Medical Center in San Jose, California, part of County of Santa Clara, CA. Dr. Randazzo is also affiliated with Santa Clara Valley Medical Center. The medical group on file is County of Santa Clara Behavioral Health Services, Las Plumas Behavioral Health Clinic. Dmand AI also links Dr. Randazzo to 2 more medical groups and 1 skilled nursing facility, each named with a free account.

See all 6 affiliations for Dr. Randazzo

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Dr. Marco R. Randazzo's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Randazzo practices, 3 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Regional Medical CenterAvailable with a free account
+2 more sites and 2 medical groupsAvailable with a free account

Source: Dmand AI Technology Install Data

For health IT teams

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Dmand AI maps EHR vendors, IT decision makers and buying committees across County of Santa Clara, CA and 6.2K+ hospitals, with verified contacts in the same login.

Dr. Marco R. Randazzo is one of 7,423 emergency medicine physicians in California

Emergency medicine is Dr. Randazzo's primary specialty in the NPI Registry, under taxonomy code 207P00000X. Dr. Randazzo is board certified in emergency medicine by the American Board of Emergency Medicine. Dr. Randazzo is licensed in California.

Specialties and state licenses

  • Emergency medicine, CaliforniaPrimaryLicense A69186 · 1999 to 2027 · taxonomy 207P00000X

Emergency medicine physicians near Dr. Randazzo

Counts of emergency medicine physicians 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. Marco R. Randazzo billed Medicare for 696 services in 2024

CMS data shows 696 Medicare services from Dr. Randazzo across 5 procedure codes in 2024, for 428 Medicare patients. Medicare paid $57,142 for them. Every service was in a facility, such as a hospital, rather than an office.

Medicare services, 2024696
Medicare patients428
Paid by Medicare$57,142
Procedure codes5

Dr. Randazzo's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Office and hospital visits
2023: 3082024: 43842%
Tests and treatments
2023: 1452024: 20944%
Imaging
2023: 262024: 4988%

Dr. Randazzo compared with the California median for emergency medicine physicians, 2024

  • Dr. Randazzo
  • California median
Medicare services
696vs 2652.6 times
Medicare patients
428vs 24376% above
Part D claims
158vs 622.5 times

Medians across 7,079 emergency medicine physicians in California with Dmand AI profiles that report each measure.

Dr. Randazzo'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.

See all procedures by Dr. Randazzo

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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Dr. Marco R. Randazzo treated 428 Medicare patients in 2024, average age 73

CMS counts 428 Medicare patients who saw Dr. Randazzo in 2024. The largest group is 65 to 74, with 172 patients. 75% of them have high blood pressure, and 73% have high cholesterol. 59% are also on Medicaid. Their average risk score is 1.90, 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. Randazzo's median patient age at 47, with 53% women.

Medicare patients, 2024428
Average age73
Average risk score1.90
Also on Medicaid59%

Dr. Randazzo's Medicare patients by age, 2024

Dr. Randazzo's Medicare patients by sex, 2024

  • Women24257%
  • Men18643%

Chronic conditions among Dr. Randazzo's Medicare patients, 2024

  1. High blood pressure75%
  2. High cholesterol73%
  3. Diabetes46%
  4. Arthritis38%
  5. Mood disorders35%
  6. Ischemic heart disease34%
  7. Heart failure31%
  8. Depression30%

Share of Medicare patients with each condition. A patient can have several.

Dr. Randazzo's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 47

Patient panel by sex, all payers

  • Women53%
  • Men46%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Dr. Marco R. Randazzo wrote 256 Medicare Part D claims in 2024

In 2024, Dr. Randazzo wrote 256 Medicare Part D claims for 178 patients. 92% of them were for generic drugs. CMS names the drug for 158 of them, across 7 drugs with 11 or more claims each, at $1,015 in total drug cost. In 2023, CMS named 85 claims across 4 drugs.

Part D claims, 2024256
Drugs named by CMS7
Total drug cost$1,015
Part D patients178

Dr. Randazzo's Part D claims by kind of drug, 2024

  • Generic235 claims92%
  • Brand-name21 claims8%

Dr. Randazzo'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. Randazzo's Part D claims, 2024

  • Antibiotics27%70 of 256 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: 852024: 15886%

Drugs named by CMS: 7 in 2024, 4 in 2023.

See all prescribing by Dr. Randazzo

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. Marco R. Randazzo scored 61 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 61 out of 100 for Dr. Randazzo for performance year 2024, reported as part of a group. Dr. Randazzo accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

Accepts Medicare assignment
Yes

Dr. Randazzo's MIPS scores, performance year 2024

  • 61of 100Final score
  • 59.4of 100Quality
  • 0of 100Promoting Interoperability
  • 40of 100Improvement Activities
  • 71of 100Cost

Each score is out of 100. The final score weighs the categories CMS scored for this clinician.

Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026

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Dr. Marco R. Randazzo has 1 publication on record

Dmand AI links 1 paper to Dr. Randazzo.

Papers1

Recent publications by Dr. Randazzo

See all 1 publications and co-authors

See who Dr. Randazzo researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Randazzo works with, so you can find a warm path to the right emergency medicine physicians.

How network discovery works

Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage

Dr. Marco R. Randazzo received $143 in industry payments from 2016 to 2018

CMS Open Payments shows 2 general payments to Dr. Randazzo from 2 drug and device companies from 2016 to 2018. Food and beverage make up the largest share, 100% of the total. AstraZeneca Pharmaceuticals LP paid the most, $125.

General payments to Dr. Randazzo by program year, 2016 to 2018

Companies that paid Dr. Randazzo the most, 2016 to 2018

Share is of all general payments to this clinician.

See all payments to Dr. Randazzo

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Dr. Marco R. Randazzo graduated from St. George's University School of Medicine

Dr. Randazzo graduated from St. George's University School of Medicine in 1997.

  1. Medical schoolSt. George's University School of Medicine
  2. Board certified in emergency medicineAmerican Board of Emergency Medicine

Source: Dmand AI Professional Profile Data

Dr. Marco R. Randazzo accepts plans from 2 insurance carriers

Dr. Randazzo is in network with 2 carriers, including CMS Medicare and RI State Medicaid. Medicaid plans come from the most carriers, 1. Check the plan with the practice before a visit.

  • CMS Medicare
  • RI State Medicaid

Plan types Dr. Randazzo accepts, by number of carriers

  1. Medicaid1
  2. Medicare1

Source: Dmand AI Insurance Network Data

Sources for Dr. Marco R. Randazzo's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDmand AI Org Hierarchy Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare 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 percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab)
Publications, topics and co-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Training, board certification and membershipsDmand AI Professional Profile Data
Insurance carriers and plan typesDmand AI Insurance Network Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Dr. Marco R. Randazzo

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. Marco R. Randazzo's NPI number?

Dr. Marco R. Randazzo's NPI number is 1972545952. It was assigned on June 12, 2006, and it is active in the NPI Registry.

What kind of doctor is Dr. Marco R. Randazzo?

Dr. Marco R. Randazzo is an emergency medicine physician in San Jose, California. The primary specialty in the NPI Registry is Emergency Medicine Physician (taxonomy code 207P00000X).

Where does Dr. Marco R. Randazzo practice?

Dr. Randazzo practices at 225 N Jackson Avenue, San Jose, CA 95116. Dr. Randazzo's primary practice is Regional Medical Center in San Jose, California, part of County of Santa Clara, CA. Dmand AI also links Dr. Randazzo to 2 medical groups and 1 skilled nursing facility.

What is Dr. Marco R. Randazzo's office phone number?

The practice phone on file for Dr. Randazzo is (408) 259-5000.

What is Dr. Marco R. Randazzo's medical license number?

Dr. Randazzo holds California license A69186.

Which hospitals is Dr. Marco R. Randazzo affiliated with?

Dr. Randazzo practices at Regional Medical Center in San Jose, California. Dr. Randazzo is also affiliated with Santa Clara Valley Medical Center.

What medical group is Dr. Marco R. Randazzo part of?

Dr. Randazzo is linked to County of Santa Clara Behavioral Health Services, Las Plumas Behavioral Health Clinic. Dmand AI links Dr. Randazzo to 2 more medical groups.

Does Dr. Marco R. Randazzo accept Medicare?

Yes. CMS data shows Dr. Randazzo billed Medicare for 696 services in 2024, and Dr. Randazzo accepts Medicare assignment.

What is Dr. Marco R. Randazzo's MIPS score?

Dr. Randazzo's MIPS final score for performance year 2024 is 61 out of 100, reported as part of a group.

How many Medicare patients does Dr. Marco R. Randazzo see?

CMS counts 428 Medicare patients who saw Dr. Randazzo in 2024, with an average age of 73.

Show 8 more questionsShow fewer questions

Is Dr. Marco R. Randazzo board certified?

Yes. Dr. Randazzo is board certified in emergency medicine by the American Board of Emergency Medicine.

What services does Dr. Marco R. Randazzo bill to Medicare?

In 2024, Dr. Randazzo's most billed Medicare services were emergency department visit (99285), heart test or procedure (93010) and emergency department visit (99284).

Where did Dr. Marco R. Randazzo go to medical school?

Dr. Randazzo graduated from St. George's University School of Medicine in 1997.

What drugs does Dr. Marco R. Randazzo prescribe most?

In 2024 Medicare Part D data, Dr. Randazzo's most prescribed drugs by claims were Ibuprofen, Baclofen and Nitrofurantoin Mono-Macro.

Has Dr. Marco R. Randazzo received payments from drug or device companies?

CMS Open Payments shows $143 in general payments to Dr. Randazzo from 2 companies from 2016 to 2018. The largest total came from AstraZeneca Pharmaceuticals LP.

How long has Dr. Marco R. Randazzo been practicing?

Dr. Randazzo graduated from medical school in 1997, 29 years ago.

Does Dr. Marco R. Randazzo do research?

Dmand AI links 1 publication to Dr. Randazzo.

What insurance does Dr. Marco R. Randazzo accept?

Dr. Randazzo is in network with 2 carriers, including CMS Medicare and RI State Medicaid. Medicaid plans come from the most carriers, 1. Check the plan with the practice before a visit.

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