Adrenocorticotropic HormoneAngioplasty, BalloonAutonomic Nervous System
Dr. Michael A. Arata, MD
NPI1922024942PAC ID2466341300
- Medicare services, 2024
- 19,015
- Medicare patients, 2024
- 8,697
- Part D claims, 2023
- 20
- Publications
- 4
- MIPS score, 2024
- 100
- Practice address
- 333 Mercy Avenue, Merced, CA 95340
- Practice phone
- Call (209) 564-5000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Arata'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. Michael A. Arata is an interventional radiologist in Merced, California
Dr. Arata practices at Dignity Health - Mercy Medical Center in Merced, California, part of CommonSpirit Health.
Dr. Arata's NPI, 1922024942, was assigned on July 14, 2006. Dr. Arata graduated from University of California, San Francisco School of Medicine in 1994. Dr. Arata holds Maryland license D0086283.
NPI and contact details
- NPI
- 1922024942NPI Registry (opens in a new tab)
- Medicare PAC ID
- 2466341300
- NPI enumeration date
- July 14, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (209) 564-5000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 58
- Medical school graduation
- 1994
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Michael A. Arata practices at Dignity Health - Mercy Medical Center in Merced, California
Dr. Arata's primary practice is Dignity Health - Mercy Medical Center, at 333 Mercy Avenue, Merced, CA 95340 in Merced County. The practice phone is (209) 564-5000.
- Dignity Health - Mercy Medical Center333 Mercy Avenue, Merced, CA 95340 · Merced CountyPhone(209) 564-5000
Source: Dmand AI Affiliation Data
Dr. Michael A. Arata is affiliated with 7 sites of care and 3 medical groups
Dr. Arata's primary practice is Dignity Health - Mercy Medical Center in Merced, California, part of CommonSpirit Health. Dr. Arata is also affiliated with UPMC Western Maryland. The medical group on file is Advanced Radiology and Interventional Associates (ARIA). Dmand AI also links Dr. Arata to 3 more hospitals, 2 medical groups, 1 hospital outpatient department and 1 rural health clinic, each named with a free account.
UPMC Western MarylandAdvanced Radiology and Interventional Associates (ARIA)3 hospitalsNames with a free account2 medical groupsNames with a free account1 hospital outpatient departmentName with a free account1 rural health clinicName with a free account
See all 10 affiliations for Dr. ArataSources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Michael A. Arata's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Arata practices, 7 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Dignity Health - Mercy Medical Center | Available with a free account |
| +6 more sites and 2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Michael A. Arata is one of 559 interventional radiologists in California
Vascular and interventional radiology is Dr. Arata's primary specialty in the NPI Registry, under taxonomy code 2085R0204X. Dmand AI has Dr. Arata's licenses on file in 2 states: Maryland and California.
Specialties and state licenses
- Vascular and interventional radiology, MarylandPrimary
- Diagnostic radiology, California
Interventional radiologists near Dr. Arata
Counts of interventional radiologists with a Dmand AI profile, by place and practice. Each opens the list.
559interventional radiologists in California
2interventional radiologists in Merced
2interventional radiologists at Dignity Health - Mercy Medical CenterSources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Michael A. Arata billed Medicare for 19,015 services in 2024
CMS data shows 19,015 Medicare services from Dr. Arata across 128 procedure codes in 2024, for 8,697 Medicare patients. Medicare paid $442,330 for them.
Medicare services, 202419,015
Medicare patients8,697
Paid by Medicare$442,330
Procedure codes128
Dr. Arata's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Imaging
- 2023: 13,7702024: 17,31926%
- Tests and treatments
- 2023: 1,4802024: 1,3787%
- Surgery
- 2023: 4572024: 30034%
- Other services
- 2023: 02024: 18
Where Dr. Arata's Medicare services took place, 2024
- In an office2,24612%
- In a facility16,76988%
Dr. Arata compared with the California median for interventional radiologists, 2024
- Dr. Arata
- California median
- Medicare services
- 19,015vs 83822.7 times
- Medicare patients
- 8,697vs 43420.0 times
- Part D claims
- 20vs 1718% above
Medians across 511 interventional radiologists in California with Dmand AI profiles that report each measure.
Dr. Arata'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.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Arata and other interventional radiologists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Michael A. Arata treated 8,697 Medicare patients in 2024, average age 74
CMS counts 8,697 Medicare patients who saw Dr. Arata in 2024. The largest group is 65 to 74, with 3,499 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 20% are also on Medicaid. Their average risk score is 1.48, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Arata's median patient age at 61, with 56% women.
Medicare patients, 20248,697
Average age74
Average risk score1.48
Also on Medicaid20%
Dr. Arata's Medicare patients by age, 2024
Dr. Arata's Medicare patients by sex, 2024
- Women5,15759%
- Men3,54041%
Chronic conditions among Dr. Arata's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis63%
- Anxiety37%
- Diabetes37%
- Ischemic heart disease34%
- Chronic kidney disease32%
- Mood disorders32%
Share of Medicare patients with each condition. A patient can have several.
Dr. Arata's 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
- Women56%
- Men43%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Michael A. Arata wrote 20 Medicare Part D claims in 2023
In 2023, Dr. Arata wrote 20 Medicare Part D claims. They cover 1 drug, with $217 in total drug cost. In 2022, CMS named 17 claims across 1 drug.
Part D claims, 202320
Drugs named by CMS1
Total drug cost$217
Dr. Arata's most prescribed drugs by claims, 2023
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Part D claims for drugs CMS names, 2022 to 2023
- 2022
- 2023
- Claims for drugs CMS names
- 2022: 172023: 2018%
Drugs named by CMS: 1 in 2023, 1 in 2022.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
Dr. Michael A. Arata scored 100 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 100 out of 100 for Dr. Arata for performance year 2024, reported as part of a group. Dr. Arata accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 21 procedures of leg revascularization (restoring blood flow) by Dr. Arata, more than 81% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Dr. Arata's MIPS scores, performance year 2024
- 100of 100Final score
- 99.3of 100Quality
- 40of 100Improvement Activities
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Where Dr. Arata ranks in Medicare procedure volume
- Leg revascularization (restoring blood flow)
- 81st percentile21 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Sources: Doctors and Clinicians National Downloadable File (CMS); Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026; and Doctors and Clinicians Utilization Data (CMS)
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Dr. Michael A. Arata has 4 publications on record
Dmand AI links 4 papers to Dr. Arata, published from 2013 to 2019. The most frequent topics are Angioplasty, Balloon, Multiple Sclerosis and Venous Insufficiency. Dr. Arata's most frequent co-authors are Ruslana Maria Cannell, MD, Christopher M. Duma, MD and Michael V. Elam, MD.
Papers4
Years published2013 to 2019
Dr. Arata's papers by year, 2013 to 2019
Topics Dr. Arata writes about most
- Angioplasty, Balloon
- Multiple Sclerosis
- Venous Insufficiency
- Autonomic Nervous System
- Autonomic Nervous System Diseases
- Constriction, Pathologic
Dr. Arata's most frequent co-authors
- Ruslana Maria Cannell, MD1 shared paper
- Christopher M. Duma, MD1 shared paper
- Michael V. Elam, MD1 shared paper
Recent publications by Dr. Arata
Angioplasty, BalloonAutonomic Nervous System DiseasesBlood Pressure
Angioplasty, BalloonAutonomic Nervous SystemAutonomic Nervous System Diseases
See who Dr. Arata researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Arata works with, so you can find a warm path to the right interventional radiologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Michael A. Arata received $10,186 in industry payments from 2016 to 2025
CMS Open Payments shows 120 general payments to Dr. Arata from 18 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 41% of the total. Stryker Corporation paid the most, $3,768.
General payments to Dr. Arata by program year, 2016 to 2025
General payments to Dr. Arata by kind, 2016 to 2025
$10.2Kin total
- Food and beverage$4,21941%
- Consulting fees$3,75037%
- Travel and lodging$2,21722%
Companies that paid Dr. Arata 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. Michael A. Arata graduated from University of California, San Francisco School of Medicine
Dr. Arata graduated from University of California, San Francisco School of Medicine in 1994.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Michael A. Arata'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) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (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 |
| 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. Michael A. Arata
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. Michael A. Arata's NPI number?
Dr. Michael A. Arata's NPI number is 1922024942. It was assigned on July 14, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Michael A. Arata?
Dr. Michael A. Arata is an interventional radiologist in Merced, California. The primary specialty in the NPI Registry is Vascular & Interventional Radiology Physician (taxonomy code 2085R0204X).
Where does Dr. Michael A. Arata practice?
Dr. Arata practices at 333 Mercy Avenue, Merced, CA 95340. Dr. Arata's primary practice is Dignity Health - Mercy Medical Center in Merced, California, part of CommonSpirit Health. Dmand AI also links Dr. Arata to 3 hospitals, 2 medical groups, 1 hospital outpatient department and 1 rural health clinic.
What is Dr. Michael A. Arata's office phone number?
The practice phone on file for Dr. Arata is (209) 564-5000.
What is Dr. Michael A. Arata's medical license number?
Dr. Arata holds Maryland license D0086283, one of the licenses on file in 2 states.
Which states has Dr. Michael A. Arata been licensed in?
Dmand AI has state licenses on file for Dr. Arata in Maryland and California.
Which hospitals is Dr. Michael A. Arata affiliated with?
Dr. Arata practices at Dignity Health - Mercy Medical Center in Merced, California. Dr. Arata is also affiliated with UPMC Western Maryland. Dmand AI links Dr. Arata to 3 more hospitals.
What medical group is Dr. Michael A. Arata part of?
Dr. Arata is linked to Advanced Radiology and Interventional Associates (ARIA). Dmand AI links Dr. Arata to 2 more medical groups.
Does Dr. Michael A. Arata accept Medicare?
Yes. CMS data shows Dr. Arata billed Medicare for 19,015 services in 2024, and Dr. Arata accepts Medicare assignment.
What is Dr. Michael A. Arata's MIPS score?
Dr. Arata's MIPS final score for performance year 2024 is 100 out of 100, reported as part of a group.
Show 8 more questionsShow fewer questions
How many Medicare patients does Dr. Michael A. Arata see?
CMS counts 8,697 Medicare patients who saw Dr. Arata in 2024, with an average age of 74.
What services does Dr. Michael A. Arata bill to Medicare?
In 2024, Dr. Arata's most billed Medicare services were diagnostic imaging (71045), diagnostic imaging (71046) and diagnostic imaging (70450).
Where did Dr. Michael A. Arata go to medical school?
Dr. Arata graduated from University of California, San Francisco School of Medicine in 1994.
What drugs does Dr. Michael A. Arata prescribe most?
In 2023 Medicare Part D data, Dr. Arata's most prescribed drugs by claims were Clopidogrel.
Has Dr. Michael A. Arata received payments from drug or device companies?
CMS Open Payments shows $10,186 in general payments to Dr. Arata from 18 companies from 2016 to 2025. The largest total came from Stryker Corporation.
How long has Dr. Michael A. Arata been practicing?
Dr. Arata graduated from medical school in 1994, 32 years ago.
Does Dr. Michael A. Arata do research?
Dmand AI links 4 publications to Dr. Arata, published from 2013 to 2019.
Who does Dr. Michael A. Arata publish with?
Dr. Arata's most frequent co-authors are Ruslana Maria Cannell, MD (1 shared paper), Christopher M. Duma, MD (1 shared paper) and Michael V. Elam, MD (1 shared paper).
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