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Dr. Zara Rachel Mathews, MD
NPI1124300652PAC ID9537474374
- Medicare services, 2024
- 41
- Medicare patients, 2024
- 52
- Part D claims, 2024
- 39
- Publications
- 4
- MIPS score, 2024
- 97
- Practice address
- 222 W 39th Ave, San Mateo, CA 94403
- Practice phone
- Call (650) 573-2222
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Mathews' professional email, personal email and mobile number
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Dr. Zara Rachel Mathews is an emergency medicine physician in San Mateo, California
Dr. Mathews practices at San Mateo Medical Center in San Mateo, California, part of County of San Mateo, California.
Dr. Mathews' NPI, 1124300652, was assigned on September 10, 2011. Dr. Mathews graduated from The Warren Alpert Medical School of Brown University in 2011. Dr. Mathews holds California license 135767.
NPI and contact details
- NPI
- 1124300652NPI Registry (opens in a new tab)
- Medicare PAC ID
- 9537474374
- NPI enumeration date
- September 10, 2011
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (650) 573-2222
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 41
- Medical school graduation
- 2011
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Zara Rachel Mathews practices at San Mateo Medical Center in San Mateo, California
Dr. Mathews' primary practice is San Mateo Medical Center, at 222 W 39th Ave, San Mateo, CA 94403 in San Mateo County. The practice phone is (650) 573-2222.
- San Mateo Medical Center222 W 39th Ave, San Mateo, CA 94403 · San Mateo CountyPhone(650) 573-2222
Source: Dmand AI Affiliation Data
Dr. Zara Rachel Mathews is affiliated with 2 sites of care and 1 medical group
Dr. Mathews' primary practice is San Mateo Medical Center in San Mateo, California, part of County of San Mateo, California. The medical group on file is Vituity. Dmand AI also links Dr. Mathews to 1 more skilled nursing facility, named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Zara Rachel Mathews' practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Mathews practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| San Mateo Medical Center | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
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Dmand AI maps EHR vendors, IT decision makers and buying committees across County of San Mateo, California and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Zara Rachel Mathews is one of 7,423 emergency medicine physicians in California
Emergency medicine is Dr. Mathews' primary specialty in the NPI Registry, under taxonomy code 207P00000X. Dr. Mathews is board certified in emergency medicine by the American Board of Emergency Medicine. Dmand AI has Dr. Mathews' licenses on file in 2 states: California and New York.
Specialties and state licenses
- Emergency medicine, CaliforniaPrimary
- New York license
Emergency medicine physicians near Dr. Mathews
Counts of emergency medicine physicians with a Dmand AI profile, by place and practice. Each opens the list.
7,423emergency medicine physicians in California24emergency medicine physicians in San Mateo16emergency medicine physicians at San Mateo Medical Center
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Zara Rachel Mathews billed Medicare for 41 services in 2024
CMS data shows 41 Medicare services from Dr. Mathews across 2 procedure codes in 2024, for 52 Medicare patients. Medicare paid $5,240 for them. Every service was in a facility, such as a hospital, rather than an office.
Medicare services, 202441
Medicare patients52
Paid by Medicare$5,240
Procedure codes2
Dr. Mathews' Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 472024: 4113%
- Tests and treatments
- 2023: 172024: 0100%
Dr. Mathews compared with the California median for emergency medicine physicians, 2024
- Dr. Mathews
- California median
- Medicare services
- 41vs 26585% below
- Medicare patients
- 52vs 24379% below
Medians across 7,079 emergency medicine physicians in California with Dmand AI profiles that report each measure.
Dr. Mathews' 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. Zara Rachel Mathews treated 52 Medicare patients in 2024, average age 66
CMS counts 52 Medicare patients who saw Dr. Mathews in 2024. The largest group is 65 to 74, with 23 patients. 67% of them have high blood pressure, and 54% have high cholesterol. Their average risk score is 1.77, 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. Mathews' median patient age at 39, with 53% women.
Medicare patients, 202452
Average age66
Average risk score1.77
Dr. Mathews' Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Mathews' Medicare patients by sex, 2024
- Women3465%
- Men1835%
Chronic conditions among Dr. Mathews' Medicare patients, 2024
- High blood pressure67%
- High cholesterol54%
- Arthritis37%
- Anxiety35%
- Mood disorders35%
- Depression27%
- Tobacco use27%
- Diabetes25%
Share of Medicare patients with each condition. A patient can have several.
Dr. Mathews' patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 39
Patient panel by sex, all payers
- Women53%
- Men47%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Zara Rachel Mathews wrote 39 Medicare Part D claims in 2024
In 2024, Dr. Mathews wrote 39 Medicare Part D claims for 26 patients. 92% of them were for generic drugs.
Part D claims, 202439
Part D patients26
Dr. Mathews' Part D claims by kind of drug, 2024
- Generic36 claims92%
- Brand-name and other3 claims8%
Drug classes CMS tracks in Dr. Mathews' Part D claims, 2024
- Antibiotics44%17 of 39 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
Dr. Zara Rachel Mathews 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 Dr. Mathews for performance year 2024, reported as part of a group. Dr. Mathews accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Dr. Mathews' MIPS scores, performance year 2024
- 97of 100Final score
- 90of 100Quality
- 40of 100Improvement Activities
- 78of 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. Zara Rachel Mathews has 4 publications on record
Dmand AI links 4 papers to Dr. Mathews in 2015. The most frequent topics are Spectrum Analysis. Dr. Mathews' most frequent co-authors are Gregory D. Jay, MD, Alex Koyfman, MD and Brett S. Marinelli.
Papers4
Topics Dr. Mathews writes about most
- Spectrum Analysis
Dr. Mathews' most frequent co-authors
- Gregory D. Jay, MD1 shared paper
- Alex Koyfman, MD1 shared paper
- Brett S. Marinelli1 shared paper
Recent publications by Dr. Mathews
Annu Int Conf IEEE Eng Med Biol Soc
AlgorithmsConjunctivaFiber Optic Technology
Administration, TopicalMice, Inbred BALB COintments
Clinical CompetenceCurriculumDeveloping Countries
See who Dr. Mathews researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Mathews works with, so you can find a warm path to the right emergency medicine physicians.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Zara Rachel Mathews graduated from The Warren Alpert Medical School of Brown University
Dr. Mathews graduated from The Warren Alpert Medical School of Brown University in 2011.
- Medical school
- Board certified in emergency medicine
Source: Dmand AI Professional Profile Data
Dr. Zara Rachel Mathews accepts plans from 9 insurance carriers
Dr. Mathews is in network with 9 carriers, including United Healthcare, Blue Cross Blue Shield of Massachusetts and Blue Cross Blue Shield of Michigan. PPO plans come from the most carriers, 6. Check the plan with the practice before a visit.
- United Healthcare
- Blue Cross Blue Shield of Massachusetts
- Blue Cross Blue Shield of Michigan
- Regence Health Plans
- Aspirus Health Plan
- Blue Cross and Blue Shield of Kansas City
- CMS Medicare
- Elevance
- +1 more carriersWith a free account
Plan types Dr. Mathews accepts, by number of carriers
- PPO6
- Medicare5
- POS2
- EPO1
- HMO1
Source: Dmand AI Insurance Network Data
Sources for Dr. Zara Rachel Mathews'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) |
| Part D prescribing | Medicare Part D Prescribers - 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. Zara Rachel Mathews
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. Zara Rachel Mathews' NPI number?
Dr. Zara Rachel Mathews' NPI number is 1124300652. It was assigned on September 10, 2011, and it is active in the NPI Registry.
What kind of doctor is Dr. Zara Rachel Mathews?
Dr. Zara Rachel Mathews is an emergency medicine physician in San Mateo, California. The primary specialty in the NPI Registry is Emergency Medicine Physician (taxonomy code 207P00000X).
Where does Dr. Zara Rachel Mathews practice?
Dr. Mathews practices at 222 W 39th Ave, San Mateo, CA 94403. Dr. Mathews' primary practice is San Mateo Medical Center in San Mateo, California, part of County of San Mateo, California. Dmand AI also links Dr. Mathews to 1 skilled nursing facility.
What is Dr. Zara Rachel Mathews' office phone number?
The practice phone on file for Dr. Mathews is (650) 573-2222.
What is Dr. Zara Rachel Mathews' medical license number?
Dr. Mathews holds California license 135767, one of the licenses on file in 2 states.
Which states has Dr. Zara Rachel Mathews been licensed in?
Dmand AI has state licenses on file for Dr. Mathews in California (2015 to 2026) and New York (2013 to 2015).
Which hospitals is Dr. Zara Rachel Mathews affiliated with?
Dr. Mathews practices at San Mateo Medical Center in San Mateo, California.
What medical group is Dr. Zara Rachel Mathews part of?
Dr. Mathews is linked to Vituity.
Does Dr. Zara Rachel Mathews accept Medicare?
Yes. CMS data shows Dr. Mathews billed Medicare for 41 services in 2024, and Dr. Mathews accepts Medicare assignment.
What is Dr. Zara Rachel Mathews' MIPS score?
Dr. Mathews' MIPS final score for performance year 2024 is 97 out of 100, reported as part of a group.
Show 8 more questionsShow fewer questions
How many Medicare patients does Dr. Zara Rachel Mathews see?
CMS counts 52 Medicare patients who saw Dr. Mathews in 2024, with an average age of 66.
Is Dr. Zara Rachel Mathews board certified?
Yes. Dr. Mathews is board certified in emergency medicine by the American Board of Emergency Medicine.
What services does Dr. Zara Rachel Mathews bill to Medicare?
In 2024, Dr. Mathews' most billed Medicare services were emergency department visit (99284) and emergency department visit (99285).
Where did Dr. Zara Rachel Mathews go to medical school?
Dr. Mathews graduated from The Warren Alpert Medical School of Brown University in 2011.
How long has Dr. Zara Rachel Mathews been practicing?
Dr. Mathews graduated from medical school in 2011, 15 years ago.
Does Dr. Zara Rachel Mathews do research?
Dmand AI links 4 publications to Dr. Mathews.
Who does Dr. Zara Rachel Mathews publish with?
Dr. Mathews' most frequent co-authors are Gregory D. Jay, MD (1 shared paper), Alex Koyfman, MD (1 shared paper) and Brett S. Marinelli (1 shared paper).
What insurance does Dr. Zara Rachel Mathews accept?
Dr. Mathews is in network with 9 carriers, including United Healthcare, Blue Cross Blue Shield of Massachusetts and Blue Cross Blue Shield of Michigan. PPO plans come from the most carriers, 6. Check the plan with the practice before a visit.
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