Mark Edward Hall

  • Westlake Village, CA
  • Rheumatologist
NPI1891181103PAC ID2466751623
Medicare services, 2024
2,391
Medicare patients, 2024
275
Part D claims, 2024
508
MIPS score, 2024
88
Hospital affiliations
1
Practice address
141 Triunfo Canyon Rd, Westlake Village, CA 91361
Practice phone
Call (310) 794-1276
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

UCLA Medical Plaza

Westlake Village, California

See all 4 affiliations

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Mark Edward Hall is a rheumatologist in Westlake Village, California

Mark Hall practices at UCLA Medical Plaza in Westlake Village, California.

Mark Hall's NPI, 1891181103, was assigned on April 13, 2015. Mark Hall graduated from Paul L. Foster School of Medicine in 2015. Mark Hall holds California license A167921.

NPI and contact details
Medicare PAC ID
2466751623
NPI enumeration date
April 13, 2015
NPI status
Active
Accepts Medicare assignment
Yes
Offers telehealth
Yes
Practice phone
(310) 794-1276
Professional email
Get email
Personal email
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Mobile number
Get number
Sex
Male
Estimated age
37
Medical school graduation
2015

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

Mark Edward Hall practices at UCLA Medical Plaza in Westlake Village, California

Mark Hall's primary practice is UCLA Medical Plaza, at 141 Triunfo Canyon Rd, Westlake Village, CA 91361 in Ventura County. The practice phone is (310) 794-1276.

  • UCLA Medical Plaza
    141 Triunfo Canyon Rd, Westlake Village, CA 91361 · Ventura CountyPhone(310) 794-1276

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

Mark Edward Hall is affiliated with 3 sites of care and 1 medical group

Mark Hall's primary practice is UCLA Medical Plaza in Westlake Village, California. Mark Hall is also affiliated with Ronald Reagan UCLA Medical Center. The medical group on file is UCLA Medical Group. Dmand AI also links Mark Hall to 1 more group practice or clinic, named with a free account.

See all 4 affiliations for Mark Hall

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

Dmand AI tracks the EHR system at Mark Edward Hall's practice

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

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

Source: Dmand AI Technology Install Data

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Mark Edward Hall is one of 821 rheumatologists in California

Rheumatology is Mark Hall's primary specialty in the NPI Registry, under taxonomy code 207RR0500X. Mark Hall is board certified in internal medicine by the American Board of Internal Medicine. Dmand AI has Mark Hall's licenses on file in 2 states: California and Texas.

Specialties and state licenses

  • Rheumatology, CaliforniaPrimaryLicense A167921 · 2020 to 2026 · taxonomy 207RR0500X
  • Texas license2020 to 2027

Clinical focus

Dmand AI lists arteritis, arthritis, fibromyalgia and chronic pain, fluid in a joint, gout, joint arthropathy, joint pain and lupus among the conditions Mark Hall treats.

Rheumatologists near Mark Hall

Counts of rheumatologists with a Dmand AI profile, by place and practice. Each opens the list.

821rheumatologists in California
2rheumatologists in Westlake Village

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Mark Edward Hall billed Medicare for 2,391 services in 2024

CMS data shows 2,391 Medicare services from Mark Hall across 8 procedure codes in 2024, for 275 Medicare patients. Medicare paid $98,352 for them. Every service was in an office.

Medicare services, 20242,391
Medicare patients275
Paid by Medicare$98,352
Procedure codes8

Mark Hall's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Drugs given in the office
2023: 1,0202024: 1,32029%
Office and hospital visits
2023: 7372024: 64313%
Other services
2023: 02024: 405
Tests and treatments
2023: 192024: 2321%

Mark Hall compared with the California median for rheumatologists, 2024

  • Mark Hall
  • California median
Medicare services
2,391vs 9002.7 times
Medicare patients
275vs 21627% above
Part D claims
414vs 96257% below

Medians across 773 rheumatologists in California with Dmand AI profiles that report each measure.

Mark Hall'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 Hall

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

Mark Edward Hall treated 275 Medicare patients in 2024, average age 74

CMS counts 275 Medicare patients who saw Mark Hall in 2024. The largest group is 65 to 74, with 148 patients. 75% of them have arthritis, and 75% have high cholesterol. 7% are also on Medicaid. Their average risk score is 1.38, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Mark Hall's median patient age at 64, with 70% women.

Medicare patients, 2024275
Average age74
Average risk score1.38
Also on Medicaid7%

Mark Hall's Medicare patients by age, 2024

CMS leaves out age groups with fewer than 11 patients.

Mark Hall's Medicare patients by sex, 2024

  • Women17564%
  • Men10036%

Chronic conditions among Mark Hall's Medicare patients, 2024

  1. Arthritis75%
  2. High cholesterol75%
  3. High blood pressure67%
  4. Ischemic heart disease38%
  5. Osteoporosis31%
  6. Anxiety26%
  7. Mood disorders25%
  8. Diabetes24%

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

Mark Hall's patients across all payers

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

Patient panel by age, all payers

Median age 64

Patient panel by sex, all payers

  • Women70%
  • Men29%

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

Mark Edward Hall wrote 508 Medicare Part D claims in 2024

In 2024, Mark Hall wrote 508 Medicare Part D claims for 107 patients. 73% of them were for generic drugs. CMS names the drug for 414 of them, across 13 drugs with 11 or more claims each, at $515,097 in total drug cost. In 2023, CMS named 440 claims across 12 drugs.

Part D claims, 2024508
Drugs named by CMS13
Total drug cost$515,097
Part D patients107

Mark Hall's Part D claims by kind of drug, 2024

  • Generic373 claims73%
  • Brand-name135 claims27%

Mark Hall'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.

Part D claims for drugs CMS names, 2023 to 2024

  • 2023
  • 2024
Claims for drugs CMS names
2023: 4402024: 4146%

Drugs named by CMS: 13 in 2024, 12 in 2023.

See all prescribing by Mark Hall

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

Mark Edward Hall scored 88 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 88 out of 100 for Mark Hall for performance year 2024, reported as part of a group. Mark Hall accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Mark Hall as offering telehealth.

Accepts Medicare assignment
Yes
Offers telehealth
Yes

Mark Hall's MIPS scores, performance year 2024

  • 88of 100Final score
  • 79.4of 100Quality
  • 100of 100Promoting Interoperability
  • 40of 100Improvement Activities
  • 74of 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 Edward Hall graduated from Paul L. Foster School of Medicine

Mark Hall graduated from Paul L. Foster School of Medicine in 2015.

  1. Medical schoolPaul L. Foster School of Medicine
  2. Board certified in internal medicineAmerican Board of Internal Medicine
  3. Board certified in rheumatologyAmerican Board of Internal Medicine

Source: Dmand AI Professional Profile Data

Mark Edward Hall accepts plans from 13 insurance carriers

Mark Hall is in network with 13 carriers, including Blue Cross Blue Shield of Michigan, United Healthcare and Elevance. PPO plans come from the most carriers, 9. Check the plan with the practice before a visit.

  • Blue Cross Blue Shield of Michigan
  • United Healthcare
  • Elevance
  • HCSC
  • Aetna
  • Blue Cross Blue Shield of Massachusetts
  • Regence Health Plans
  • Alliant Health Plans
  • +5 more carriersWith a free account

Plan types Mark Hall accepts, by number of carriers

  1. PPO9
  2. HMO6
  3. Medicare6
  4. EPO3
  5. POS2

Source: Dmand AI Insurance Network Data

Sources for Mark Edward Hall'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 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)
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 Edward Hall

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 Edward Hall's NPI number?

Mark Edward Hall's NPI number is 1891181103. It was assigned on April 13, 2015, and it is active in the NPI Registry.

What does Mark Edward Hall specialize in?

Mark Edward Hall is a rheumatologist in Westlake Village, California. The primary specialty in the NPI Registry is Rheumatology Physician (taxonomy code 207RR0500X).

Where does Mark Edward Hall practice?

Mark Hall practices at 141 Triunfo Canyon Rd, Westlake Village, CA 91361. Mark Hall's primary practice is UCLA Medical Plaza in Westlake Village, California. Dmand AI also links Mark Hall to 1 group practice or clinic.

What is Mark Edward Hall's office phone number?

The practice phone on file for Mark Hall is (310) 794-1276.

What is Mark Edward Hall's medical license number?

Mark Hall holds California license A167921, one of the licenses on file in 2 states.

Which states has Mark Edward Hall been licensed in?

Dmand AI has state licenses on file for Mark Hall in California (2020 to 2026) and Texas (2020 to 2027).

Which hospitals is Mark Edward Hall affiliated with?

Mark Hall is affiliated with Ronald Reagan UCLA Medical Center.

What medical group is Mark Edward Hall part of?

Mark Hall is linked to UCLA Medical Group.

Does Mark Edward Hall accept Medicare?

Yes. CMS data shows Mark Hall billed Medicare for 2,391 services in 2024, and Mark Hall accepts Medicare assignment.

Does Mark Edward Hall offer telehealth?

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

Show 8 more questionsShow fewer questions

What is Mark Edward Hall's MIPS score?

Mark Hall's MIPS final score for performance year 2024 is 88 out of 100, reported as part of a group.

How many Medicare patients does Mark Edward Hall see?

CMS counts 275 Medicare patients who saw Mark Hall in 2024, with an average age of 74.

Is Mark Edward Hall board certified?

Yes. Mark Hall is board certified in internal medicine by the American Board of Internal Medicine.

What services does Mark Edward Hall bill to Medicare?

In 2024, Mark Hall's most billed Medicare services were injected or infused drug (J0897), office visit, established patient (99214) and medicare service (G2211).

Where did Mark Edward Hall go to medical school?

Mark Hall graduated from Paul L. Foster School of Medicine in 2015.

What drugs does Mark Edward Hall prescribe most?

In 2024 Medicare Part D data, Mark Hall's most prescribed drugs by claims were Allopurinol, Prednisone and Methotrexate.

How long has Mark Edward Hall been practicing?

Mark Hall graduated from medical school in 2015, 11 years ago.

What insurance does Mark Edward Hall accept?

Mark Hall is in network with 13 carriers, including Blue Cross Blue Shield of Michigan, United Healthcare and Elevance. PPO plans come from the most carriers, 9. Check the plan with the practice before a visit.

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