Robert Thomas Granata

  • Santa Ana, CA
  • Emergency medicine physician
NPI1730612029PAC ID0042646168
Medicare services, 2024
184
Medicare patients, 2024
135
Part D claims, 2024
97
Publications
5
MIPS score, 2024
97
Practice address
1001 North Tustin Avenue, Santa Ana, CA 92705
Practice phone
Call (714) 953-3500
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Orange County Global Medical Center

Hospital · Santa Ana, California

See all 5 affiliations

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Robert Thomas Granata is an emergency medicine physician in Santa Ana, California

Robert Granata practices at Orange County Global Medical Center in Santa Ana, California, part of The KPC Group.

Robert Granata's NPI, 1730612029, was assigned on April 4, 2017. Robert Granata graduated from UC San Diego School of Medicine in 2017. Robert Granata holds California license A160839.

NPI and contact details
Medicare PAC ID
0042646168
NPI enumeration date
April 4, 2017
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(714) 953-3500
Professional email
Get email
Personal email
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Mobile number
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Sex
Male
Estimated age
35
Medical school graduation
2017

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

Robert Thomas Granata practices at Orange County Global Medical Center in Santa Ana, California

Robert Granata's primary practice is Orange County Global Medical Center, at 1001 North Tustin Avenue, Santa Ana, CA 92705 in Orange County. The practice phone is (714) 953-3500.

Source: Dmand AI Affiliation Data

Robert Thomas Granata is affiliated with 2 sites of care and 3 medical groups

Robert Granata's primary practice is Orange County Global Medical Center in Santa Ana, California, part of The KPC Group. Robert Granata is also affiliated with Kaweah Health Medical Center. The medical group on file is Vituity. Dmand AI also links Robert Granata to 2 more medical groups, each named with a free account.

See all 5 affiliations for Robert Granata

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

Dmand AI tracks the EHR system at Robert Thomas Granata's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Robert Granata practices, 2 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Orange County Global Medical CenterAvailable with a free account
+1 more site and 2 medical groupsAvailable with a free account

Source: Dmand AI Technology Install Data

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Robert Thomas Granata is one of 7,423 emergency medicine physicians in California

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

Specialties and state licenses

  • Emergency medicine, CaliforniaPrimaryLicense A160839 · 2019 to 2027 · taxonomy 207P00000X

Emergency medicine physicians near Robert Granata

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

Robert Thomas Granata billed Medicare for 184 services in 2024

CMS data shows 184 Medicare services from Robert Granata across 4 procedure codes in 2024, for 135 Medicare patients. Medicare paid $17,629 for them. Every service was in a facility, such as a hospital, rather than an office.

Medicare services, 2024184
Medicare patients135
Paid by Medicare$17,629
Procedure codes4

Robert Granata's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Office and hospital visits
2023: 1422024: 11718%
Tests and treatments
2023: 772024: 6713%

Robert Granata compared with the California median for emergency medicine physicians, 2024

  • Robert Granata
  • California median
Medicare services
184vs 26531% below
Medicare patients
135vs 24344% below
Part D claims
22vs 6265% below

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

Robert Granata'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 Robert Granata

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

Robert Thomas Granata treated 135 Medicare patients in 2024, average age 72

CMS counts 135 Medicare patients who saw Robert Granata in 2024. The largest group is 65 to 74, with 55 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 69% are also on Medicaid. Their average risk score is 2.80, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.

Across all payers, Dmand AI patient panel data puts Robert Granata's median patient age at 40, with 51% women.

Medicare patients, 2024135
Average age72
Average risk score2.80
Also on Medicaid69%

Robert Granata's Medicare patients by age, 2024

Robert Granata's Medicare patients by sex, 2024

  • Women5944%
  • Men7656%

Chronic conditions among Robert Granata's Medicare patients, 2024

  1. High blood pressure75%
  2. High cholesterol75%
  3. Diabetes63%
  4. Heart failure49%
  5. Chronic kidney disease46%
  6. Mood disorders42%
  7. Arthritis41%
  8. Ischemic heart disease40%

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

Robert Granata's patients across all payers

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

Patient panel by age, all payers

Median age 40

Patient panel by sex, all payers

  • Women51%
  • Men49%

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

Robert Thomas Granata wrote 97 Medicare Part D claims in 2024

In 2024, Robert Granata wrote 97 Medicare Part D claims for 51 patients. 98% of them were for generic drugs. CMS names the drug for 22 of them, across 1 drug with 11 or more claims each, at $49 in total drug cost. In 2023, CMS named 22 claims across 2 drugs.

Part D claims, 202497
Drugs named by CMS1
Total drug cost$49
Part D patients51

Robert Granata's Part D claims by kind of drug, 2024

  • Generic95 claims98%
  • Brand-name and other2 claims2%

Robert Granata'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 Robert Granata's Part D claims, 2024

  • Antibiotics26%25 of 97 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: 222024: 22No change

Drugs named by CMS: 1 in 2024, 2 in 2023.

See all prescribing by Robert Granata

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

Robert Thomas Granata scored 97 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 97 out of 100 for Robert Granata for performance year 2024, reported as part of a group. Robert Granata accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

Accepts Medicare assignment
Yes

Robert Granata's MIPS scores, performance year 2024

  • 97of 100Final score
  • 90of 100Quality
  • 40of 100Improvement Activities
  • 78of 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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Robert Thomas Granata has 5 publications on record

Dmand AI links 5 papers to Robert Granata, published from 2012 to 2021. 2016 was the busiest year, with 2. Robert Granata's most frequent co-authors are Nilay V. Patel, MD, Frank Sebat, MD and Gary M. Vilke, MD.

Papers5
Years published2012 to 2021

Robert Granata's papers by year, 2012 to 2021

Robert Granata's most frequent co-authors

Recent publications by Robert Granata

See all 5 publications and co-authors

See who Robert Granata researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Robert Granata 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

Robert Thomas Granata received $112 in industry payments from 2020 to 2022

CMS Open Payments shows 6 general payments to Robert Granata from 1 drug or device company from 2020 to 2022. Food and beverage make up the largest share, 100% of the total. Chiesi USA, Inc. paid the most, $112.

General payments to Robert Granata by program year, 2020 to 2022

Companies that paid Robert Granata the most, 2020 to 2022

Share is of all general payments to this clinician.

See all payments to Robert Granata

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

Robert Thomas Granata graduated from UC San Diego School of Medicine

Robert Granata graduated from UC San Diego School of Medicine in 2017.

  1. Medical schoolUC San Diego School of Medicine
  2. Board certified in emergency medicineAmerican Board of Emergency Medicine

Source: Dmand AI Professional Profile Data

Robert Thomas Granata accepts plans from 1 insurance carrier

Robert Granata 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 Robert Thomas Granata'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 Robert Thomas Granata

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Robert Thomas Granata's NPI number?

Robert Thomas Granata's NPI number is 1730612029. It was assigned on April 4, 2017, and it is active in the NPI Registry.

What does Robert Thomas Granata specialize in?

Robert Thomas Granata is an emergency medicine physician in Santa Ana, California. The primary specialty in the NPI Registry is Emergency Medicine Physician (taxonomy code 207P00000X).

Where does Robert Thomas Granata practice?

Robert Granata practices at 1001 North Tustin Avenue, Santa Ana, CA 92705. Robert Granata's primary practice is Orange County Global Medical Center in Santa Ana, California, part of The KPC Group. Dmand AI also links Robert Granata to 2 medical groups.

What is Robert Thomas Granata's office phone number?

The practice phone on file for Robert Granata is (714) 953-3500.

What is Robert Thomas Granata's medical license number?

Robert Granata holds California license A160839.

Which hospitals is Robert Thomas Granata affiliated with?

Robert Granata practices at Orange County Global Medical Center in Santa Ana, California. Robert Granata is also affiliated with Kaweah Health Medical Center.

What medical group is Robert Thomas Granata part of?

Robert Granata is linked to Vituity. Dmand AI links Robert Granata to 2 more medical groups.

Does Robert Thomas Granata accept Medicare?

Yes. CMS data shows Robert Granata billed Medicare for 184 services in 2024, and Robert Granata accepts Medicare assignment.

What is Robert Thomas Granata's MIPS score?

Robert Granata's MIPS final score for performance year 2024 is 97 out of 100, reported as part of a group.

How many Medicare patients does Robert Thomas Granata see?

CMS counts 135 Medicare patients who saw Robert Granata in 2024, with an average age of 72.

Show 9 more questionsShow fewer questions

Is Robert Thomas Granata board certified?

Yes. Robert Granata is board certified in emergency medicine by the American Board of Emergency Medicine.

What services does Robert Thomas Granata bill to Medicare?

In 2024, Robert Granata's most billed Medicare services were emergency department visit (99285), heart test or procedure (93010) and critical care (99291).

Where did Robert Thomas Granata go to medical school?

Robert Granata graduated from UC San Diego School of Medicine in 2017.

What drugs does Robert Thomas Granata prescribe most?

In 2024 Medicare Part D data, Robert Granata's most prescribed drugs by claims were Ibuprofen.

Has Robert Thomas Granata received payments from drug or device companies?

CMS Open Payments shows $112 in general payments to Robert Granata from 1 company from 2020 to 2022. The largest total came from Chiesi USA, Inc.

How long has Robert Thomas Granata been practicing?

Robert Granata graduated from medical school in 2017, 9 years ago.

Does Robert Thomas Granata do research?

Dmand AI links 5 publications to Robert Granata, published from 2012 to 2021.

Who does Robert Thomas Granata publish with?

Robert Granata's most frequent co-authors are Nilay V. Patel, MD (1 shared paper), Frank Sebat, MD (1 shared paper) and Gary M. Vilke, MD (1 shared paper).

What insurance does Robert Thomas Granata accept?

Robert Granata 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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