Mark Joseph Ajalat

  • Los Angeles, CA
  • Vascular surgeon
NPI1487158168PAC ID0941634059
Medicare services, 2024
171
Medicare patients, 2024
38
Part D claims, 2022
25
Publications
1
MIPS score, 2024
97
Practice address
757 Westwood Plaza, Los Angeles, CA 90095
Practice phone
Call (310) 825-6301
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Ronald Reagan UCLA Medical Center

Hospital · Los Angeles, California

See all 4 affiliations

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Mark Joseph Ajalat is a vascular surgeon in Los Angeles, California

Mark Ajalat practices at Ronald Reagan UCLA Medical Center in Los Angeles, California, part of University of California Health.

Mark Ajalat's NPI, 1487158168, was assigned on March 19, 2018. Mark Ajalat graduated from UC Irvine School of Medicine in 2019. Mark Ajalat's California license number on file is A164475.

NPI and contact details
Medicare PAC ID
0941634059
NPI enumeration date
March 19, 2018
NPI status
Active
Accepts Medicare assignment
Yes
Offers telehealth
Yes
Practice phone
(310) 825-6301
Professional email
Get email
Personal email
Get email
Mobile number
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Sex
Male
Estimated age
34
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)

Mark Joseph Ajalat practices at Ronald Reagan UCLA Medical Center in Los Angeles, California

Mark Ajalat's primary practice is Ronald Reagan UCLA Medical Center, at 757 Westwood Plaza, Los Angeles, CA 90095 in Los Angeles County. The practice phone is (310) 825-6301.

Source: Dmand AI Affiliation Data

Mark Joseph Ajalat is affiliated with 3 sites of care and 1 medical group

Mark Ajalat's primary practice is Ronald Reagan UCLA Medical Center in Los Angeles, California, part of University of California Health. Mark Ajalat is also affiliated with Olive View-UCLA Medical Center. The medical group on file is UCLA Gonda (Goldschmied) Vascular Center. Dmand AI also links Mark Ajalat to 1 more group practice or clinic, named with a free account.

See all 4 affiliations for Mark Ajalat

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

Dmand AI tracks the EHR system at Mark Joseph Ajalat's practice

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

EHR by site
SiteEHR vendor and product
Ronald Reagan UCLA Medical CenterAvailable with a free account
+2 more affiliated sitesAvailable with a free account

Source: Dmand AI Technology Install Data

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Mark Joseph Ajalat is one of 532 vascular surgeons in California

Vascular surgery is Mark Ajalat's primary specialty in the NPI Registry, under taxonomy code 2086S0129X. Mark Ajalat is board certified in vascular surgery by the American Board of Surgery. Mark Ajalat has a license on file in California.

Specialties and state licenses

  • Vascular surgery, CaliforniaPrimaryLicense A164475 · 2019 to 2025 · taxonomy 2086S0129X

Vascular surgeons near Mark Ajalat

Counts of vascular surgeons 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

Mark Joseph Ajalat billed Medicare for 171 services in 2024

CMS data shows 171 Medicare services from Mark Ajalat across 2 procedure codes in 2024, for 38 Medicare patients. Medicare paid $15,378 for them. Every service was in a facility, such as a hospital, rather than an office.

Medicare services, 2024171
Medicare patients38
Paid by Medicare$15,378
Procedure codes2

Mark Ajalat's Medicare services by type, 2024

  1. Tests and treatments157
  2. Office and hospital visits14

Mark Ajalat compared with the California median for vascular surgeons, 2024

  • Mark Ajalat
  • California median
Medicare services
171vs 60972% below
Medicare patients
38vs 27286% below
Part D claims
25vs 5555% below

Medians across 499 vascular surgeons in California with Dmand AI profiles that report each measure.

Mark Ajalat'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 Mark Ajalat

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

Mark Joseph Ajalat treated 38 Medicare patients in 2024, average age 75

CMS counts 38 Medicare patients who saw Mark Ajalat in 2024. The largest group is 75 to 84, with 15 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 39% are also on Medicaid. Their average risk score is 2.60, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.

Across all payers, Dmand AI patient panel data puts Mark Ajalat's median patient age at 63, with 39% women.

Medicare patients, 202438
Average age75
Average risk score2.60
Also on Medicaid39%

Mark Ajalat's Medicare patients by age, 2024

CMS leaves out age groups with fewer than 11 patients.

Chronic conditions among Mark Ajalat's Medicare patients, 2024

  1. High blood pressure75%
  2. High cholesterol75%
  3. Cancer71%
  4. Arthritis53%
  5. Diabetes42%
  6. Chronic kidney disease37%
  7. Ischemic heart disease37%
  8. Depression34%

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

Mark Ajalat's patients across all payers

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

Patient panel by age, all payers

Median age 63

Patient panel by sex, all payers

  • Women39%
  • Men59%

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

Mark Joseph Ajalat wrote 25 Medicare Part D claims in 2022

In 2022, Mark Ajalat wrote 25 Medicare Part D claims. They cover 2 drugs, with $166 in total drug cost. In 2021, CMS named 18 claims across 1 drug.

Part D claims, 202225
Drugs named by CMS2
Total drug cost$166

Mark Ajalat's most prescribed drugs by claims, 2022

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, 2021 to 2022

  • 2021
  • 2022
Claims for drugs CMS names
2021: 182022: 2539%

Drugs named by CMS: 2 in 2022, 1 in 2021.

See all prescribing by Mark Ajalat

Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026

Mark Joseph Ajalat 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 Mark Ajalat for performance year 2024, reported as part of a group. Mark Ajalat accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Mark Ajalat as offering telehealth.

Accepts Medicare assignment
Yes
Offers telehealth
Yes

Mark Ajalat's MIPS scores, performance year 2024

  • 97of 100Final score
  • 83.8of 100Quality
  • 100of 100Promoting Interoperability
  • 40of 100Improvement Activities
  • 73of 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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Mark Joseph Ajalat has 1 publication on record

Dmand AI links 1 paper to Mark Ajalat in 2018. Mark Ajalat's most frequent co-author is Samuel Eric Wilson, MD.

Papers1

Mark Ajalat's most frequent co-authors

Recent publications by Mark Ajalat

See all 1 publications and co-authors

See who Mark Ajalat researches with

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

How network discovery works

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

Mark Joseph Ajalat received $7,553 in industry payments from 2019 to 2025

CMS Open Payments shows 114 general payments to Mark Ajalat from 10 drug and device companies from 2019 to 2025. Food and beverage make up the largest share, 90% of the total. W. L. Gore & Associates, Inc. paid the most, $3,052.

General payments to Mark Ajalat by program year, 2019 to 2025

General payments to Mark Ajalat by kind, 2019 to 2025

$7.6Kin total
  • Food and beverage$6,82390%
  • Education$6859%
  • Travel and lodging$441%

Companies that paid Mark Ajalat the most, 2019 to 2025

Share is of all general payments to this clinician.

See all payments to Mark Ajalat

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

Mark Joseph Ajalat graduated from UC Irvine School of Medicine

Mark Ajalat graduated from UC Irvine School of Medicine in 2019.

  1. Medical schoolUC Irvine School of Medicine
  2. Board certified in vascular surgeryAmerican Board of Surgery

Source: Dmand AI Professional Profile Data

Mark Joseph Ajalat accepts plans from 7 insurance carriers

Mark Ajalat is in network with 7 carriers, including Elevance, Blue Cross Blue Shield of Michigan and Blue Cross Blue Shield of Massachusetts. Medicare plans come from the most carriers, 6. Check the plan with the practice before a visit.

  • Elevance
  • Blue Cross Blue Shield of Michigan
  • Blue Cross Blue Shield of Massachusetts
  • HCSC
  • Regence Health Plans
  • CMS Medicare
  • LA Care

Plan types Mark Ajalat accepts, by number of carriers

  1. Medicare6
  2. PPO5
  3. HMO3
  4. POS2
  5. EPO1

Source: Dmand AI Insurance Network Data

Sources for Mark Joseph Ajalat'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)
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 Mark Joseph Ajalat

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

What is Mark Joseph Ajalat's NPI number?

Mark Joseph Ajalat's NPI number is 1487158168. It was assigned on March 19, 2018, and it is active in the NPI Registry.

What does Mark Joseph Ajalat specialize in?

Mark Joseph Ajalat is a vascular surgeon in Los Angeles, California. The primary specialty in the NPI Registry is Vascular Surgery Physician (taxonomy code 2086S0129X).

Where does Mark Joseph Ajalat practice?

Mark Ajalat practices at 757 Westwood Plaza, Los Angeles, CA 90095. Mark Ajalat's primary practice is Ronald Reagan UCLA Medical Center in Los Angeles, California, part of University of California Health. Dmand AI also links Mark Ajalat to 1 group practice or clinic.

What is Mark Joseph Ajalat's office phone number?

The practice phone on file for Mark Ajalat is (310) 825-6301.

What is Mark Joseph Ajalat's medical license number?

Mark Ajalat's California license number on file is A164475.

Which hospitals is Mark Joseph Ajalat affiliated with?

Mark Ajalat practices at Ronald Reagan UCLA Medical Center in Los Angeles, California. Mark Ajalat is also affiliated with Olive View-UCLA Medical Center.

What medical group is Mark Joseph Ajalat part of?

Mark Ajalat is linked to UCLA Gonda (Goldschmied) Vascular Center.

Does Mark Joseph Ajalat accept Medicare?

Yes. CMS data shows Mark Ajalat billed Medicare for 171 services in 2024, and Mark Ajalat accepts Medicare assignment.

Does Mark Joseph Ajalat offer telehealth?

Yes. The CMS Doctors and Clinicians file lists Mark Ajalat as offering telehealth services.

What is Mark Joseph Ajalat's MIPS score?

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

Show 10 more questionsShow fewer questions

How many Medicare patients does Mark Joseph Ajalat see?

CMS counts 38 Medicare patients who saw Mark Ajalat in 2024, with an average age of 75.

Is Mark Joseph Ajalat board certified?

Yes. Mark Ajalat is board certified in vascular surgery by the American Board of Surgery.

What services does Mark Joseph Ajalat bill to Medicare?

In 2024, Mark Ajalat's most billed Medicare services were special service (99183) and office visit, new patient (99205).

Where did Mark Joseph Ajalat go to medical school?

Mark Ajalat graduated from UC Irvine School of Medicine in 2019.

What drugs does Mark Joseph Ajalat prescribe most?

In 2022 Medicare Part D data, Mark Ajalat's most prescribed drugs by claims were Hydrocodone-Acetaminophen and Clopidogrel.

Has Mark Joseph Ajalat received payments from drug or device companies?

CMS Open Payments shows $7,553 in general payments to Mark Ajalat from 10 companies from 2019 to 2025. The largest total came from W. L. Gore & Associates, Inc.

How long has Mark Joseph Ajalat been practicing?

Mark Ajalat graduated from medical school in 2019, 7 years ago.

Does Mark Joseph Ajalat do research?

Dmand AI links 1 publication to Mark Ajalat.

Who does Mark Joseph Ajalat publish with?

Mark Ajalat's most frequent co-authors are Samuel Eric Wilson, MD (1 shared paper).

What insurance does Mark Joseph Ajalat accept?

Mark Ajalat is in network with 7 carriers, including Elevance, Blue Cross Blue Shield of Michigan and Blue Cross Blue Shield of Massachusetts. Medicare plans come from the most carriers, 6. Check the plan with the practice before a visit.

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