Dr. Joseph R. Malhis, DO

  • Whittier, CA
  • Internist
NPI1124581830PAC ID9234508870
Medicare services, 2024
429
Medicare patients, 2024
181
Part D claims, 2024
502
Publications
4
MIPS score, 2024
79
Practice address
12401 Washington Blvd, Whittier, CA 90602
Practice phone
Call (562) 698-0811
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

PIH Health Whittier Hospital

Hospital · Whittier, California

See all 5 affiliations

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Dr. Joseph R. Malhis is an internist in Whittier, California

Dr. Malhis practices at PIH Health Whittier Hospital in Whittier, California, part of PIH Health.

Dr. Malhis' NPI, 1124581830, was assigned on April 9, 2019. Dr. Malhis graduated from Kansas City University of Med & Biosciences, College of Osteo Med in 2019. Dr. Malhis holds California license 20179.

NPI and contact details
Medicare PAC ID
9234508870
NPI enumeration date
April 9, 2019
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(562) 698-0811
Professional email
Get email
Personal email
Get email
Mobile number
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Sex
Male
Estimated age
33
Medical school graduation
2019

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

Dr. Joseph R. Malhis practices at PIH Health Whittier Hospital in Whittier, California

Dr. Malhis' primary practice is PIH Health Whittier Hospital, at 12401 Washington Blvd, Whittier, CA 90602 in Los Angeles County. The practice phone is (562) 698-0811.

Source: Dmand AI Affiliation Data

Dr. Joseph R. Malhis is affiliated with 4 sites of care and 1 medical group

Dr. Malhis' primary practice is PIH Health Whittier Hospital in Whittier, California, part of PIH Health. The medical group on file is PIH Health Physicians. Dmand AI also links Dr. Malhis to 1 more hospital, 1 home health agency and 1 skilled nursing facility, each named with a free account.

See all 5 affiliations for Dr. Malhis

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

Dmand AI tracks the EHR system at Dr. Joseph R. Malhis' practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Malhis practices, 4 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
PIH Health Whittier HospitalAvailable with a free account
+3 more affiliated sitesAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Joseph R. Malhis is one of 16,751 internists in California

Internal medicine is Dr. Malhis' primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Malhis is licensed in California.

Specialties and state licenses

  • Internal medicine, CaliforniaPrimaryLicense 20179 · taxonomy 207R00000X

Internists near Dr. Malhis

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. Joseph R. Malhis billed Medicare for 429 services in 2024

CMS data shows 429 Medicare services from Dr. Malhis across 3 procedure codes in 2024, for 181 Medicare patients. Medicare paid $33,165 for them. Every service was in a facility, such as a hospital, rather than an office.

Medicare services, 2024429
Medicare patients181
Paid by Medicare$33,165
Procedure codes3

Dr. Malhis' Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Office and hospital visits
2023: 4512024: 4295%

Dr. Malhis compared with the California median for internists, 2024

  • Dr. Malhis
  • California median
Medicare services
429vs 36119% above
Medicare patients
181vs 15120% above
Part D claims
226vs 42146% below

Medians across 15,815 internists in California with Dmand AI profiles that report each measure.

Dr. Malhis' 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. Malhis

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

Dr. Joseph R. Malhis treated 181 Medicare patients in 2024, average age 74

CMS counts 181 Medicare patients who saw Dr. Malhis in 2024. The largest group is 75 to 84, with 63 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 60% are also on Medicaid. Their average risk score is 3.19, 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. Malhis' median patient age at 72, with 49% women.

Medicare patients, 2024181
Average age74
Average risk score3.19
Also on Medicaid60%

Dr. Malhis' Medicare patients by age, 2024

Dr. Malhis' Medicare patients by sex, 2024

  • Women9955%
  • Men8245%

Chronic conditions among Dr. Malhis' Medicare patients, 2024

  1. High blood pressure75%
  2. High cholesterol75%
  3. Diabetes62%
  4. Chronic kidney disease54%
  5. Heart failure51%
  6. Arthritis48%
  7. Ischemic heart disease46%
  8. Mood disorders41%

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

Dr. Malhis' patients across all payers

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

Patient panel by age, all payers

Median age 72

Patient panel by sex, all payers

  • Women49%
  • Men51%

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

Dr. Joseph R. Malhis wrote 502 Medicare Part D claims in 2024

In 2024, Dr. Malhis wrote 502 Medicare Part D claims for 189 patients. 89% of them were for generic drugs. CMS names the drug for 226 of them, across 14 drugs with 11 or more claims each, at $15,747 in total drug cost. In 2023, CMS named 161 claims across 10 drugs.

Part D claims, 2024502
Drugs named by CMS14
Total drug cost$15,747
Part D patients189

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

  • Generic445 claims89%
  • Brand-name and other57 claims11%

Dr. Malhis' 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. Malhis' Part D claims, 2024

  • Opioids6%28 of 502 claims
  • Antibiotics29%144 of 502 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: 1612024: 22640%

Drugs named by CMS: 14 in 2024, 10 in 2023.

See all prescribing by Dr. Malhis

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. Joseph R. Malhis scored 79 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 79 out of 100 for Dr. Malhis for performance year 2024, reported as part of a group. Dr. Malhis accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

Accepts Medicare assignment
Yes

Dr. Malhis' MIPS scores, performance year 2024

  • 79of 100Final score
  • 58.7of 100Quality
  • 40of 100Improvement Activities
  • 75of 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. Joseph R. Malhis has 4 publications on record

Dmand AI links 4 papers to Dr. Malhis, published from 2021 to 2023. 2021 was the busiest year, with 3. The most frequent topics are COVID-19 and Pandemics. Dr. Malhis' most frequent co-authors are Andrew Michael Ebers, MD and Aysam H. Mahmoud, MD.

Papers4
Years published2021 to 2023

Topics Dr. Malhis writes about most

  • COVID-19
  • Pandemics

Dr. Malhis' most frequent co-authors

Recent publications by Dr. Malhis

See all 4 publications and co-authors

See who Dr. Malhis researches with

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

How network discovery works

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

Dr. Joseph R. Malhis graduated from Kansas City University of Med & Biosciences, College of Osteo Med

Dr. Malhis graduated from Kansas City University of Med & Biosciences, College of Osteo Med in 2019.

  1. Medical schoolKansas City University of Med & Biosciences, College of Osteo Med

Source: Dmand AI Professional Profile Data

Sources for Dr. Joseph R. Malhis'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
Training, board certification and membershipsDmand AI Professional Profile 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. Joseph R. Malhis

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. Joseph R. Malhis' NPI number?

Dr. Joseph R. Malhis' NPI number is 1124581830. It was assigned on April 9, 2019, and it is active in the NPI Registry.

What kind of doctor is Dr. Joseph R. Malhis?

Dr. Joseph R. Malhis is an internist in Whittier, California. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).

Where does Dr. Joseph R. Malhis practice?

Dr. Malhis practices at 12401 Washington Blvd, Whittier, CA 90602. Dr. Malhis' primary practice is PIH Health Whittier Hospital in Whittier, California, part of PIH Health. Dmand AI also links Dr. Malhis to 1 hospital, 1 home health agency and 1 skilled nursing facility.

What is Dr. Joseph R. Malhis' office phone number?

The practice phone on file for Dr. Malhis is (562) 698-0811.

What is Dr. Joseph R. Malhis' medical license number?

Dr. Malhis holds California license 20179.

Which hospitals is Dr. Joseph R. Malhis affiliated with?

Dr. Malhis practices at PIH Health Whittier Hospital in Whittier, California. Dmand AI links Dr. Malhis to 1 more hospital.

What medical group is Dr. Joseph R. Malhis part of?

Dr. Malhis is linked to PIH Health Physicians.

Does Dr. Joseph R. Malhis accept Medicare?

Yes. CMS data shows Dr. Malhis billed Medicare for 429 services in 2024, and Dr. Malhis accepts Medicare assignment.

What is Dr. Joseph R. Malhis' MIPS score?

Dr. Malhis' MIPS final score for performance year 2024 is 79 out of 100, reported as part of a group.

How many Medicare patients does Dr. Joseph R. Malhis see?

CMS counts 181 Medicare patients who saw Dr. Malhis in 2024, with an average age of 74.

Show 6 more questionsShow fewer questions

What services does Dr. Joseph R. Malhis bill to Medicare?

In 2024, Dr. Malhis' most billed Medicare services were hospital inpatient care (99232), hospital inpatient care (99239) and hospital inpatient care (99222).

Where did Dr. Joseph R. Malhis go to medical school?

Dr. Malhis graduated from Kansas City University of Med & Biosciences, College of Osteo Med in 2019.

What drugs does Dr. Joseph R. Malhis prescribe most?

In 2024 Medicare Part D data, Dr. Malhis' most prescribed drugs by claims were Furosemide, Hydrocodone-Acetaminophen and Eliquis.

How long has Dr. Joseph R. Malhis been practicing?

Dr. Malhis graduated from medical school in 2019, 7 years ago.

Does Dr. Joseph R. Malhis do research?

Dmand AI links 4 publications to Dr. Malhis, published from 2021 to 2023.

Who does Dr. Joseph R. Malhis publish with?

Dr. Malhis' most frequent co-authors are Andrew Michael Ebers, MD (1 shared paper) and Aysam H. Mahmoud, MD (1 shared paper).

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