Dr. Michael Kenneth Mesisca, DO

  • Moreno Valley, CA
  • Emergency medicine physician
NPI1831426840PAC ID9830370436
Medicare services, 2024
100
Medicare patients, 2024
98
Part D claims, 2024
90
Publications
7
MIPS score, 2024
97
Practice address
26520 Cactus Ave, Moreno Valley, CA 92555
Practice phone
Call (951) 486-4458
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Riverside University Medical Center

Moreno Valley, California

See all 4 affiliations

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Dr. Michael Kenneth Mesisca is an emergency medicine physician in Moreno Valley, California

Dr. Mesisca practices at Riverside University Medical Center in Moreno Valley, California.

Dr. Mesisca's NPI, 1831426840, was assigned on November 11, 2009. Dr. Mesisca graduated from WesternU College of Osteopathic Medicine of the Pacific in 2008. Dr. Mesisca holds California license 20A10981.

NPI and contact details
Medicare PAC ID
9830370436
NPI enumeration date
November 11, 2009
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(951) 486-4458
Professional email
Get email
Personal email
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Mobile number
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Sex
Male
Estimated age
44
Medical school graduation
2008

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

Dr. Michael Kenneth Mesisca practices at Riverside University Medical Center in Moreno Valley, California

Dr. Mesisca's primary practice is Riverside University Medical Center, at 26520 Cactus Ave, Moreno Valley, CA 92555 in Riverside County. The practice phone is (951) 486-4458.

  • Riverside University Medical Center
    26520 Cactus Ave, Moreno Valley, CA 92555 · Riverside CountyPhone(951) 486-4458

Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data

Dr. Michael Kenneth Mesisca is affiliated with 3 sites of care and 1 medical group

Dr. Mesisca's primary practice is Riverside University Medical Center in Moreno Valley, California. Dr. Mesisca is also affiliated with Riverside University Health System - Medical Center. The medical group on file is Vituity. Dmand AI also links Dr. Mesisca to 1 more hospital, named with a free account.

See all 4 affiliations for Dr. Mesisca

Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Dr. Michael Kenneth Mesisca's practice

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

EHR by site
SiteEHR vendor and product
Riverside University Medical CenterAvailable with a free account
+2 more affiliated sitesAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Michael Kenneth Mesisca is one of 7,423 emergency medicine physicians in California

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

Specialties and state licenses

  • Emergency medicine, CaliforniaPrimaryLicense 20A10981 · taxonomy 207P00000X

Emergency medicine physicians near Dr. Mesisca

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. Michael Kenneth Mesisca billed Medicare for 100 services in 2024

CMS data shows 100 Medicare services from Dr. Mesisca across 3 procedure codes in 2024, for 98 Medicare patients. Medicare paid $14,293 for them. Every service was in a facility, such as a hospital, rather than an office.

Medicare services, 2024100
Medicare patients98
Paid by Medicare$14,293
Procedure codes3

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

  • 2023
  • 2024
Office and hospital visits
2023: 822024: 10022%

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

  • Dr. Mesisca
  • California median
Medicare services
100vs 26562% below
Medicare patients
98vs 24360% below
Part D claims
26vs 6258% below

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

Dr. Mesisca'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. Mesisca

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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Mesisca and other emergency medicine physicians in California.

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

Dr. Michael Kenneth Mesisca treated 98 Medicare patients in 2024, average age 71

CMS counts 98 Medicare patients who saw Dr. Mesisca in 2024. The largest group is 65 to 74, with 35 patients. 75% of them have high blood pressure, and 74% have high cholesterol. 69% are also on Medicaid. Their average risk score is 2.96, 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. Mesisca's median patient age at 42, with 59% women.

Medicare patients, 202498
Average age71
Average risk score2.96
Also on Medicaid69%

Dr. Mesisca's Medicare patients by age, 2024

Dr. Mesisca's Medicare patients by sex, 2024

  • Women5859%
  • Men4041%

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

  1. High blood pressure75%
  2. High cholesterol74%
  3. Diabetes61%
  4. Arthritis55%
  5. Chronic kidney disease51%
  6. Heart failure49%
  7. Mood disorders47%
  8. Ischemic heart disease44%

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

Dr. Mesisca's patients across all payers

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

Patient panel by age, all payers

Median age 42

Patient panel by sex, all payers

  • Women59%
  • Men41%

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

Dr. Michael Kenneth Mesisca wrote 90 Medicare Part D claims in 2024

In 2024, Dr. Mesisca wrote 90 Medicare Part D claims for 74 patients. 92% of them were for generic drugs. CMS names the drug for 26 of them, across 2 drugs with 11 or more claims each, at $125 in total drug cost. In 2018, CMS named 14 claims across 1 drug.

Part D claims, 202490
Drugs named by CMS2
Total drug cost$125
Part D patients74

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

  • Generic83 claims92%
  • Brand-name and other7 claims8%

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

  • Antibiotics70%63 of 90 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, 2018 to 2024

  • 2018
  • 2024
Claims for drugs CMS names
2018: 142024: 2686%

Drugs named by CMS: 2 in 2024, 1 in 2018.

See all prescribing by Dr. Mesisca

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. Michael Kenneth Mesisca 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 Dr. Mesisca for performance year 2024, reported as part of a group. Dr. Mesisca accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

Accepts Medicare assignment
Yes

Dr. Mesisca'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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Dr. Michael Kenneth Mesisca has 7 publications on record

Dmand AI links 7 papers to Dr. Mesisca, published from 2020 to 2025. 2022 was the busiest year, with 3. The most frequent topics are COVID-19, SARS-CoV-2 and Pandemics. Dr. Mesisca's most frequent co-authors are Melanie Randall, MD, Thomas F. Minahan, DO and Timothy Paul Nesper, MD.

Papers7
Years published2020 to 2025

Dr. Mesisca's papers by year, 2020 to 2025

Topics Dr. Mesisca writes about most

  • COVID-19
  • SARS-CoV-2
  • Pandemics

Dr. Mesisca's most frequent co-authors

Recent publications by Dr. Mesisca

See all 7 publications and co-authors

See who Dr. Mesisca researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Mesisca 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. Michael Kenneth Mesisca received $53 in industry payments from 2020 to 2023

CMS Open Payments shows 3 general payments to Dr. Mesisca from 3 drug and device companies from 2020 to 2023. Food and beverage make up the largest share, 100% of the total. Davol Inc. paid the most, $22.

General payments to Dr. Mesisca by program year, 2020 to 2023

Companies that paid Dr. Mesisca the most, 2020 to 2023

Share is of all general payments to this clinician.

See all payments to Dr. Mesisca

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

Dr. Michael Kenneth Mesisca graduated from WesternU College of Osteopathic Medicine of the Pacific

Dr. Mesisca graduated from WesternU College of Osteopathic Medicine of the Pacific in 2008. Dr. Mesisca is a member of AOA.

  1. Medical schoolWesternU College of Osteopathic Medicine of the Pacific
  2. Board certified in emergency medicineAOA Board of Emergency Medicine
  3. Board certified in 2009 - 2026CA State License
  4. Board certified in 2020 - 2026HI State License

Source: Dmand AI Professional Profile Data

Dr. Michael Kenneth Mesisca accepts plans from 7 insurance carriers

Dr. Mesisca is in network with 7 carriers, including United Healthcare, Molina and Aspirus Health Plan. Medicare plans come from the most carriers, 3. Check the plan with the practice before a visit.

  • United Healthcare
  • Molina
  • Aspirus Health Plan
  • Blue Cross and Blue Shield of Kansas City
  • CMS Medicare
  • Elevance
  • HCSC

Plan types Dr. Mesisca accepts, by number of carriers

  1. Medicare3
  2. PPO3
  3. HMO2
  4. POS2
  5. EPO1

Source: Dmand AI Insurance Network Data

Sources for Dr. Michael Kenneth Mesisca'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 phoneNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data
Primary practice, affiliations and health systemNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand 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. Michael Kenneth Mesisca

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 Kenneth Mesisca's NPI number?

Dr. Michael Kenneth Mesisca's NPI number is 1831426840. It was assigned on November 11, 2009, and it is active in the NPI Registry.

What kind of doctor is Dr. Michael Kenneth Mesisca?

Dr. Michael Kenneth Mesisca is an emergency medicine physician in Moreno Valley, California. The primary specialty in the NPI Registry is Emergency Medicine Physician (taxonomy code 207P00000X).

Where does Dr. Michael Kenneth Mesisca practice?

Dr. Mesisca practices at 26520 Cactus Ave, Moreno Valley, CA 92555. Dr. Mesisca's primary practice is Riverside University Medical Center in Moreno Valley, California. Dmand AI also links Dr. Mesisca to 1 hospital.

What is Dr. Michael Kenneth Mesisca's office phone number?

The practice phone on file for Dr. Mesisca is (951) 486-4458.

What is Dr. Michael Kenneth Mesisca's medical license number?

Dr. Mesisca holds California license 20A10981.

Which hospitals is Dr. Michael Kenneth Mesisca affiliated with?

Dr. Mesisca is affiliated with Riverside University Health System - Medical Center. Dmand AI links Dr. Mesisca to 1 more hospital.

What medical group is Dr. Michael Kenneth Mesisca part of?

Dr. Mesisca is linked to Vituity.

Does Dr. Michael Kenneth Mesisca accept Medicare?

Yes. CMS data shows Dr. Mesisca billed Medicare for 100 services in 2024, and Dr. Mesisca accepts Medicare assignment.

What is Dr. Michael Kenneth Mesisca's MIPS score?

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

How many Medicare patients does Dr. Michael Kenneth Mesisca see?

CMS counts 98 Medicare patients who saw Dr. Mesisca in 2024, with an average age of 71.

Show 9 more questionsShow fewer questions

Is Dr. Michael Kenneth Mesisca board certified?

Yes. Dr. Mesisca is board certified in emergency medicine by the AOA Board of Emergency Medicine.

What services does Dr. Michael Kenneth Mesisca bill to Medicare?

In 2024, Dr. Mesisca's most billed Medicare services were emergency department visit (99285), critical care (99291) and emergency department visit (99284).

Where did Dr. Michael Kenneth Mesisca go to medical school?

Dr. Mesisca graduated from WesternU College of Osteopathic Medicine of the Pacific in 2008.

What drugs does Dr. Michael Kenneth Mesisca prescribe most?

In 2024 Medicare Part D data, Dr. Mesisca's most prescribed drugs by claims were Sulfamethoxazole-Trimethoprim and Nitrofurantoin Mono-Macro.

Has Dr. Michael Kenneth Mesisca received payments from drug or device companies?

CMS Open Payments shows $53 in general payments to Dr. Mesisca from 3 companies from 2020 to 2023. The largest total came from Davol Inc.

How long has Dr. Michael Kenneth Mesisca been practicing?

Dr. Mesisca graduated from medical school in 2008, 18 years ago.

Does Dr. Michael Kenneth Mesisca do research?

Dmand AI links 7 publications to Dr. Mesisca, published from 2020 to 2025.

Who does Dr. Michael Kenneth Mesisca publish with?

Dr. Mesisca's most frequent co-authors are Melanie Randall, MD (6 shared papers), Thomas F. Minahan, DO (4 shared papers) and Timothy Paul Nesper, MD (2 shared papers).

What insurance does Dr. Michael Kenneth Mesisca accept?

Dr. Mesisca is in network with 7 carriers, including United Healthcare, Molina and Aspirus Health Plan. Medicare plans come from the most carriers, 3. Check the plan with the practice before a visit.

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