Dr. Marisa Kathleen Holubar, MD
- Medicare services, 2024
- 207
- Medicare patients, 2024
- 75
- Publications
- 56
- MIPS score, 2024
- 89
- Hospital affiliations
- 2
- Practice address
- 300 Pasteur Drive, Stanford, CA 94305
- Practice phone
- Call (650) 723-4000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Holubar's professional email, personal email and mobile number
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Dr. Marisa Kathleen Holubar is an infectious disease specialist in Stanford, California
Dr. Holubar practices at Stanford Hospital at 300 Pasteur Drive in Stanford, California, part of Stanford University.
Dr. Holubar's NPI, 1558588939, was assigned on April 19, 2007. Dr. Holubar graduated from University of Wisconsin-Madison in 2005. Dr. Holubar's California license number on file is A110386.
- NPI
- 1558588939NPI Registry (opens in a new tab)
- Medicare PAC ID
- 3173789112
- NPI enumeration date
- April 19, 2007
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (650) 723-4000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 47
- Medical school graduation
- 2005
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Marisa Kathleen Holubar practices at Stanford Hospital at 300 Pasteur Drive in Stanford, California
Dr. Holubar's primary practice is Stanford Hospital at 300 Pasteur Drive, at 300 Pasteur Drive, Stanford, CA 94305 in Santa Clara County. The practice phone is (650) 723-4000.
- Stanford Hospital at 300 Pasteur Drive300 Pasteur Drive, Stanford, CA 94305 · Santa Clara CountyPhone(650) 723-4000
Source: Dmand AI Affiliation Data
Dr. Marisa Kathleen Holubar is affiliated with 2 sites of care and 2 medical groups
Dr. Holubar's primary practice is Stanford Hospital at 300 Pasteur Drive in Stanford, California, part of Stanford University. The medical group on file is Stanford Health Care. Dmand AI also links Dr. Holubar to 1 more hospital and 1 medical group, each named with a free account. Dr. Holubar's employer is on file too: a hospital.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Marisa Kathleen Holubar's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Holubar practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Stanford Hospital at 300 Pasteur Drive | Available with a free account |
| +1 more site and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Marisa Kathleen Holubar is one of 1,054 infectious disease specialists in California
Infectious disease is Dr. Holubar's primary specialty in the NPI Registry, under taxonomy code 207RI0200X. Dr. Holubar is board certified in infectious disease by the American Board of Internal Medicine. Dmand AI has Dr. Holubar's licenses on file in 2 states: California and Rhode Island.
Specialties and state licenses
- Infectious disease, CaliforniaPrimary
- Rhode Island license
Infectious disease specialists near Dr. Holubar
Counts of infectious disease specialists 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. Marisa Kathleen Holubar billed Medicare for 207 services in 2024
CMS data shows 207 Medicare services from Dr. Holubar across 4 procedure codes in 2024, for 75 Medicare patients. Medicare paid $21,996 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Holubar's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 162024: 2071194%
Dr. Holubar compared with the California median for infectious disease specialists, 2024
- Dr. Holubar
- California median
- Medicare services
- 207vs 42952% below
- Medicare patients
- 75vs 18058% below
Medians across 930 infectious disease specialists in California with Dmand AI profiles that report each measure.
Dr. Holubar'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.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Holubar and other infectious disease specialists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Marisa Kathleen Holubar treated 75 Medicare patients in 2024, average age 74
CMS counts 75 Medicare patients who saw Dr. Holubar in 2024. The largest group is 65 to 74, with 27 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 41% are also on Medicaid. Their average risk score is 3.94, 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. Holubar's median patient age at 59, with 43% women.
Dr. Holubar's Medicare patients by age, 2024
Dr. Holubar's Medicare patients by sex, 2024
- Women2736%
- Men4864%
Chronic conditions among Dr. Holubar's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Chronic kidney disease65%
- Heart failure57%
- Ischemic heart disease57%
- Diabetes55%
- Atrial fibrillation51%
- Arthritis49%
Share of Medicare patients with each condition. A patient can have several.
Dr. Holubar's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 59
Patient panel by sex, all payers
- Women43%
- Men54%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Marisa Kathleen Holubar 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. Holubar for performance year 2024, reported as part of a group. Dr. Holubar accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Dr. Holubar's MIPS scores, performance year 2024
- 89of 100Final score
- 87.1of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
- 70of 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. Marisa Kathleen Holubar has 56 publications on record
Dmand AI links 56 papers to Dr. Holubar, published from 2013 to 2024. 2024 was the busiest year, with 11. The most frequent topics are COVID-19, SARS-CoV-2 and Anti-Bacterial Agents. Dr. Holubar has published most often in Open Forum Infect Dis. Dr. Holubar's most frequent co-authors are Yvonne Maldonado, MD, Benjamin Alan Pinsky, MD, PhD and Niaz Banaei.
Dr. Holubar's papers by year, 2013 to 2024
Topics Dr. Holubar writes about most
- COVID-19
- SARS-CoV-2
- Anti-Bacterial Agents
- Feces
- Poliovirus
- Poliovirus Vaccine, Oral
- Health Personnel
- Mexico
Dr. Holubar's most frequent co-authors
- Yvonne Maldonado, MD16 shared papers
- Benjamin Alan Pinsky, MD, PhD8 shared papers
- Niaz Banaei7 shared papers
Recent publications by Dr. Holubar
Sci Transl Med
See who Dr. Holubar researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Holubar works with, so you can find a warm path to the right infectious disease specialists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Marisa Kathleen Holubar graduated from University of Wisconsin-Madison
Dr. Holubar graduated from University of Wisconsin-Madison in 2005.
- Medical school
- Board certified in infectious disease
Source: Dmand AI Professional Profile Data
Dr. Marisa Kathleen Holubar accepts plans from 7 insurance carriers
Dr. Holubar is in network with 7 carriers, including Elevance, Excellus BlueCross BlueShield and Blue Cross Blue Shield of Michigan. Medicare plans come from the most carriers, 7. Check the plan with the practice before a visit.
- Elevance
- Excellus BlueCross BlueShield
- Blue Cross Blue Shield of Michigan
- Blue Cross Blue Shield of Massachusetts
- HCSC
- Regence Health Plans
- CMS Medicare
Plan types Dr. Holubar accepts, by number of carriers
- Medicare7
- PPO6
- HMO3
- POS3
- EPO2
Source: Dmand AI Insurance Network Data
Sources for Dr. Marisa Kathleen Holubar'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 |
| 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. Marisa Kathleen Holubar
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. Marisa Kathleen Holubar's NPI number?
Dr. Marisa Kathleen Holubar's NPI number is 1558588939. It was assigned on April 19, 2007, and it is active in the NPI Registry.
What kind of doctor is Dr. Marisa Kathleen Holubar?
Dr. Marisa Kathleen Holubar is an infectious disease specialist in Stanford, California. The primary specialty in the NPI Registry is Infectious Disease Physician (taxonomy code 207RI0200X).
Where does Dr. Marisa Kathleen Holubar practice?
Dr. Holubar practices at 300 Pasteur Drive, Stanford, CA 94305. Dr. Holubar's primary practice is Stanford Hospital at 300 Pasteur Drive in Stanford, California, part of Stanford University. Dmand AI also links Dr. Holubar to 1 hospital and 1 medical group.
What is Dr. Marisa Kathleen Holubar's office phone number?
The practice phone on file for Dr. Holubar is (650) 723-4000.
What is Dr. Marisa Kathleen Holubar's medical license number?
Dr. Holubar's California license number on file is A110386, one of the licenses on file in 2 states.
Which states has Dr. Marisa Kathleen Holubar been licensed in?
Dmand AI has state licenses on file for Dr. Holubar in California (2009 to 2025) and Rhode Island (2005 to 2009).
Which hospitals is Dr. Marisa Kathleen Holubar affiliated with?
Dr. Holubar practices at Stanford Hospital at 300 Pasteur Drive in Stanford, California. Dmand AI links Dr. Holubar to 1 more hospital.
What medical group is Dr. Marisa Kathleen Holubar part of?
Dr. Holubar is linked to Stanford Health Care. Dmand AI links Dr. Holubar to 1 more medical group.
Does Dr. Marisa Kathleen Holubar accept Medicare?
Yes. CMS data shows Dr. Holubar billed Medicare for 207 services in 2024, and Dr. Holubar accepts Medicare assignment.
What is Dr. Marisa Kathleen Holubar's MIPS score?
Dr. Holubar's MIPS final score for performance year 2024 is 89 out of 100, reported as part of a group.
Show 8 more questionsShow fewer questions
How many Medicare patients does Dr. Marisa Kathleen Holubar see?
CMS counts 75 Medicare patients who saw Dr. Holubar in 2024, with an average age of 74.
Is Dr. Marisa Kathleen Holubar board certified?
Yes. Dr. Holubar is board certified in infectious disease by the American Board of Internal Medicine.
What services does Dr. Marisa Kathleen Holubar bill to Medicare?
In 2024, Dr. Holubar's most billed Medicare services were hospital inpatient care (99233), hospital inpatient care (99232) and hospital inpatient care (99223).
Where did Dr. Marisa Kathleen Holubar go to medical school?
Dr. Holubar graduated from University of Wisconsin-Madison in 2005.
How long has Dr. Marisa Kathleen Holubar been practicing?
Dr. Holubar graduated from medical school in 2005, 21 years ago.
Does Dr. Marisa Kathleen Holubar do research?
Dmand AI links 56 publications to Dr. Holubar, published from 2013 to 2024.
Who does Dr. Marisa Kathleen Holubar publish with?
Dr. Holubar's most frequent co-authors are Yvonne Maldonado, MD (16 shared papers), Benjamin Alan Pinsky, MD, PhD (8 shared papers) and Niaz Banaei (7 shared papers).
What insurance does Dr. Marisa Kathleen Holubar accept?
Dr. Holubar is in network with 7 carriers, including Elevance, Excellus BlueCross BlueShield and Blue Cross Blue Shield of Michigan. Medicare plans come from the most carriers, 7. Check the plan with the practice before a visit.
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