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Dr. Mark Haas, MD
NPI1750330478PAC ID7416000310
- Medicare services, 2024
- 1,992
- Medicare patients, 2024
- 135
- Publications
- 8
- MIPS score, 2024
- 89
- Hospital affiliations
- 5
- Practice address
- 8700 Beverly Blvd, Los Angeles, CA 90048
- Practice phone
- Call (310) 423-5000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Haas' professional email, personal email and mobile number
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Dr. Mark Haas is a pathologist in West Hollywood, California
Dr. Haas practices at Cedars-Sinai Medical Center in Los Angeles, California, part of Cedars-Sinai Health System.
Dr. Haas' NPI, 1750330478, was assigned on May 9, 2006. Dr. Haas graduated from Duke University School Of Medicine in 1982. Dr. Haas' Maryland license number on file is D55055.
NPI and contact details
- NPI
- 1750330478NPI Registry (opens in a new tab)
- Medicare PAC ID
- 7416000310
- NPI enumeration date
- May 9, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (310) 423-5000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 70
- Medical school graduation
- 1982
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Mark Haas practices at Cedars-Sinai Medical Center in Los Angeles, California
Dr. Haas' primary practice is Cedars-Sinai Medical Center, at 8700 Beverly Blvd, Los Angeles, CA 90048 in Los Angeles County. The practice phone is (310) 423-5000.
- Cedars-Sinai Medical Center8700 Beverly Blvd, Los Angeles, CA 90048 · Los Angeles CountyPhone(310) 423-5000
Source: Dmand AI Affiliation Data
Dr. Mark Haas is affiliated with 5 sites of care and 1 medical group
Dr. Haas' primary practice is Cedars-Sinai Medical Center in Los Angeles, California, part of Cedars-Sinai Health System. Dr. Haas is also affiliated with Hoag Hospital Newport Beach. The medical group on file is Cedars-Sinai Medical Group. Dmand AI also links Dr. Haas to 3 more hospitals, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Mark Haas' practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Haas practices, 5 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Cedars-Sinai Medical Center | Available with a free account |
| +4 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Mark Haas is one of 1,354 pathologists in California
Anatomic pathology and clinical pathology is Dr. Haas' primary specialty in the NPI Registry, under taxonomy code 207ZP0102X. Dr. Haas is board certified in anatomic pathology by the American Board of Pathology. Dmand AI has Dr. Haas' licenses on file in 4 states: Maryland, California, Illinois and Connecticut.
Specialties and state licenses
- Anatomic pathology and clinical pathology, MarylandPrimary
- California license
- Illinois license
- Connecticut license
Pathologists near Dr. Haas
Counts of pathologists with a Dmand AI profile, by place and practice. Each opens the list.
1,354pathologists in California45pathologists in West Hollywood37pathologists at Cedars-Sinai Medical Center
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Mark Haas billed Medicare for 1,992 services in 2024
CMS data shows 1,992 Medicare services from Dr. Haas across 7 procedure codes in 2024, for 135 Medicare patients. Medicare paid $48,113 for them. Every service was in a facility, such as a hospital, rather than an office.
Medicare services, 20241,992
Medicare patients135
Paid by Medicare$48,113
Procedure codes7
Dr. Haas' Medicare services by type, 2023 to 2024
- 2023
- 2024
- Lab and pathology
- 2023: 1,4812024: 1,99235%
Dr. Haas compared with the California median for pathologists, 2024
- Dr. Haas
- California median
- Medicare services
- 1,992vs 1,15373% above
- Medicare patients
- 135vs 44770% below
Medians across 1,094 pathologists in California with Dmand AI profiles that report each measure.
Dr. Haas' 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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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Mark Haas treated 135 Medicare patients in 2024, average age 66
CMS counts 135 Medicare patients who saw Dr. Haas in 2024. The largest group is 65 to 74, with 57 patients. 75% of them have chronic kidney disease, and 75% have high blood pressure. 48% are also on Medicaid. Their average risk score is 3.77, 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. Haas' median patient age at 56, with 53% women.
Medicare patients, 2024135
Average age66
Average risk score3.77
Also on Medicaid48%
Dr. Haas' Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Haas' Medicare patients by sex, 2024
- Women5843%
- Men7757%
Chronic conditions among Dr. Haas' Medicare patients, 2024
- Chronic kidney disease75%
- High blood pressure75%
- High cholesterol75%
- Diabetes62%
- Heart failure44%
- Arthritis43%
- Ischemic heart disease41%
- Anxiety28%
Share of Medicare patients with each condition. A patient can have several.
Dr. Haas' patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 56
Patient panel by sex, all payers
- Women53%
- Men46%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Mark Haas scored 89 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 89 out of 100 for Dr. Haas for performance year 2024, reported as part of a group. Dr. Haas accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Dr. Haas' MIPS scores, performance year 2024
- 89of 100Final score
- 84.8of 100Quality
- 99of 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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Dr. Mark Haas has 8 publications on record
Dmand AI links 8 papers to Dr. Haas, published from 2010 to 2023. Dr. Haas' most frequent co-authors are Gerald Bernard Appel, MD, Fernando C. Fervenza, MD and Cynthia C. Nast, MD.
Papers8
Years published2010 to 2023
Dr. Haas' papers by year, 2010 to 2023
Dr. Haas' most frequent co-authors
- Gerald Bernard Appel, MD3 shared papers
- Fernando C. Fervenza, MD3 shared papers
- Cynthia C. Nast, MD3 shared papers
Recent publications by Dr. Haas
See who Dr. Haas researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Haas works with, so you can find a warm path to the right pathologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Mark Haas received $196,422 in industry payments from 2016 to 2025
CMS Open Payments shows 114 general payments to Dr. Haas from 9 drug and device companies from 2016 to 2025. Consulting fees make up the largest share, 89% of the total. AstraZeneca Pharmaceuticals LP paid the most, $72,282. It also lists 5 research payments totaling $27,461 from 2017 to 2019.
General payments to Dr. Haas by program year, 2016 to 2025
General payments to Dr. Haas by kind, 2016 to 2025
$196.4Kin total
- Consulting fees$174,15489%
- Travel and lodging$19,06810%
- Food and beverage$3,2002%
Companies that paid Dr. Haas 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. Mark Haas graduated from Duke University School Of Medicine
Dr. Haas graduated from Duke University School Of Medicine in 1982.
- Medical school
- Board certified in anatomic pathology
Source: Dmand AI Professional Profile Data
Dr. Mark Haas accepts plans from 2 insurance carriers
Dr. Haas is in network with 2 carriers, including CMS Medicare and NV State Medicaid. Medicaid plans come from the most carriers, 1. Check the plan with the practice before a visit.
- CMS Medicare
- NV State Medicaid
Plan types Dr. Haas accepts, by number of carriers
- Medicaid1
- Medicare1
Source: Dmand AI Insurance Network Data
Sources for Dr. Mark Haas'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) |
| 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) |
| 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 |
| Insurance carriers and plan types | Dmand AI Insurance Network 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. Mark Haas
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. Mark Haas' NPI number?
Dr. Mark Haas' NPI number is 1750330478. It was assigned on May 9, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Mark Haas?
Dr. Mark Haas is a pathologist in West Hollywood, California. The primary specialty in the NPI Registry is Anatomic Pathology & Clinical Pathology Physician (taxonomy code 207ZP0102X).
Where does Dr. Mark Haas practice?
Dr. Haas practices at 8700 Beverly Blvd, Los Angeles, CA 90048. Dr. Haas' primary practice is Cedars-Sinai Medical Center in Los Angeles, California, part of Cedars-Sinai Health System. Dmand AI also links Dr. Haas to 3 hospitals.
What is Dr. Mark Haas' office phone number?
The practice phone on file for Dr. Haas is (310) 423-5000.
What is Dr. Mark Haas' medical license number?
Dr. Haas' Maryland license number on file is D55055, one of the licenses on file in 4 states.
Which states has Dr. Mark Haas been licensed in?
Dmand AI has state licenses on file for Dr. Haas in Maryland (1999 to 2010), California (2009 to 2027), Illinois (1989 to 1999) and Connecticut (1986 to 1990).
Which hospitals is Dr. Mark Haas affiliated with?
Dr. Haas practices at Cedars-Sinai Medical Center in Los Angeles, California. Dr. Haas is also affiliated with Hoag Hospital Newport Beach. Dmand AI links Dr. Haas to 3 more hospitals.
What medical group is Dr. Mark Haas part of?
Dr. Haas is linked to Cedars-Sinai Medical Group.
Does Dr. Mark Haas accept Medicare?
Yes. CMS data shows Dr. Haas billed Medicare for 1,992 services in 2024, and Dr. Haas accepts Medicare assignment.
What is Dr. Mark Haas' MIPS score?
Dr. Haas' MIPS final score for performance year 2024 is 89 out of 100, reported as part of a group.
Show 9 more questionsShow fewer questions
How many Medicare patients does Dr. Mark Haas see?
CMS counts 135 Medicare patients who saw Dr. Haas in 2024, with an average age of 66.
Is Dr. Mark Haas board certified?
Yes. Dr. Haas is board certified in anatomic pathology by the American Board of Pathology.
What services does Dr. Mark Haas bill to Medicare?
In 2024, Dr. Haas' most billed Medicare services were lab and pathology test (88350), lab and pathology test (88313) and lab and pathology test (88305).
Where did Dr. Mark Haas go to medical school?
Dr. Haas graduated from Duke University School Of Medicine in 1982.
Has Dr. Mark Haas received payments from drug or device companies?
CMS Open Payments shows $196,422 in general payments to Dr. Haas from 9 companies from 2016 to 2025. The largest total came from AstraZeneca Pharmaceuticals LP.
How long has Dr. Mark Haas been practicing?
Dr. Haas graduated from medical school in 1982, 44 years ago.
Does Dr. Mark Haas do research?
Dmand AI links 8 publications to Dr. Haas, published from 2010 to 2023.
Who does Dr. Mark Haas publish with?
Dr. Haas' most frequent co-authors are Gerald Bernard Appel, MD (3 shared papers), Fernando C. Fervenza, MD (3 shared papers) and Cynthia C. Nast, MD (3 shared papers).
What insurance does Dr. Mark Haas accept?
Dr. Haas is in network with 2 carriers, including CMS Medicare and NV State Medicaid. Medicaid plans come from the most carriers, 1. Check the plan with the practice before a visit.
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