Brain DiseasesCystsPineal Gland
Dr. Kevin Z. Chao, MD
NPI1659551471PAC ID1456515832
- Part D claims, 2024
- 65
- Publications
- 4
- Hospital affiliations
- 2
- Industry payments
- $3,467
- Medical group
- 1
- Practice address
- 1100 Veterans Boulevard, Redwood City, CA 94063
- Practice phone
- Call (650) 299-2000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Chao's professional email, personal email and mobile number
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Dr. Kevin Z. Chao is a neurosurgeon in Redwood City, California
Dr. Chao practices at Redwood City Medical Center in Redwood City, California, part of Kaiser Permanente.
Dr. Chao's NPI, 1659551471, was assigned on November 8, 2007. Dr. Chao graduated from UC San Diego School of Medicine in 2005. Dr. Chao holds California license A96578.
NPI and contact details
- NPI
- 1659551471NPI Registry (opens in a new tab)
- Medicare PAC ID
- 1456515832
- NPI enumeration date
- November 8, 2007
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (650) 299-2000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- 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. Kevin Z. Chao practices at Redwood City Medical Center in Redwood City, California
Dr. Chao's primary practice is Redwood City Medical Center, at 1100 Veterans Boulevard, Redwood City, CA 94063 in San Mateo County. The practice phone is (650) 299-2000.
- Redwood City Medical Center1100 Veterans Boulevard, Redwood City, CA 94063 · San Mateo CountyPhone(650) 299-2000
Source: Dmand AI Affiliation Data
Dr. Kevin Z. Chao is affiliated with 2 sites of care and 1 medical group
Dr. Chao's primary practice is Redwood City Medical Center in Redwood City, California, part of Kaiser Permanente. Dr. Chao is also affiliated with Stanford Hospital at 300 Pasteur Drive. The medical group on file is The Permanente Medical Group, Inc.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Kevin Z. Chao's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Chao practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Redwood City 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
See the EHR and IT leaders at every hospital where Dr. Chao practices
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Dr. Kevin Z. Chao is one of 846 neurosurgeons in California
Neurological surgery is Dr. Chao's primary specialty in the NPI Registry, under taxonomy code 207T00000X. Dr. Chao is board certified in neurological surgery by the American Board of Neurological Surgery. Dr. Chao is licensed in California.
Specialties and state licenses
- Neurological surgery, CaliforniaPrimary
Clinical focus
Dmand AI lists neck pain and spine problems among the conditions Dr. Chao treats.
Neurosurgeons near Dr. Chao
Counts of neurosurgeons with a Dmand AI profile, by place and practice. Each opens the list.
846neurosurgeons in California17neurosurgeons in Redwood City8neurosurgeons at Redwood City Medical Center
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Kevin Z. Chao's patients have a median age of 67
Across all payers, Dmand AI patient panel data puts Dr. Chao's median patient age at 67, with 52% women.
Dr. Chao's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 67
Patient panel by sex, all payers
- Women52%
- Men48%
Source: Dmand AI Patient Panel Data
Dr. Kevin Z. Chao wrote 65 Medicare Part D claims in 2024
In 2024, Dr. Chao wrote 65 Medicare Part D claims for 35 patients. 100% of them were for generic drugs. CMS names the drug for 15 of them, across 1 drug with 11 or more claims each, at $120 in total drug cost. In 2018, CMS named 17 claims across 1 drug.
Part D claims, 202465
Drugs named by CMS1
Total drug cost$120
Part D patients35
Dr. Chao'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.
Drug classes CMS tracks in Dr. Chao's Part D claims, 2024
- Opioids32%21 of 65 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2018 to 2024
- 2018
- 2024
- Claims for drugs CMS names
- 2018: 172024: 1512%
Drugs named by CMS: 1 in 2024, 1 in 2018.
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
How Dr. Kevin Z. Chao takes part in Medicare
Dr. Chao accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Kevin Z. Chao has 4 publications on record
Dmand AI links 4 papers to Dr. Chao, published from 2010 to 2013. The most frequent topics are Cerebral Revascularization, Cerebrovascular Circulation and Moyamoya Disease. Dr. Chao's most frequent co-authors are Gary Kenneth Steinberg, MD, Sanjeev Dutta, MD, MA, FRCSC and Peter Alexander Gooderham, MD.
Papers4
Years published2010 to 2013
Dr. Chao's papers by year, 2010 to 2013
Topics Dr. Chao writes about most
- Cerebral Revascularization
- Cerebrovascular Circulation
- Moyamoya Disease
Dr. Chao's most frequent co-authors
- Gary Kenneth Steinberg, MD2 shared papers
- Sanjeev Dutta, MD, MA, FRCSC1 shared paper
- Peter Alexander Gooderham, MD1 shared paper
Recent publications by Dr. Chao
World Neurosurg
Cerebral RevascularizationCerebrovascular CirculationHeadache
Blood Loss, SurgicalBrainBrain Ischemia
See who Dr. Chao researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Chao works with, so you can find a warm path to the right neurosurgeons.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Kevin Z. Chao received $3,467 in industry payments from 2016 to 2025
CMS Open Payments shows 30 general payments to Dr. Chao from 10 drug and device companies from 2016 to 2025. Travel and lodging make up the largest share, 69% of the total. Alphatec Spine, Inc paid the most, $929.
General payments to Dr. Chao by program year, 2016 to 2025
General payments to Dr. Chao by kind, 2016 to 2025
$3.5Kin total
- Travel and lodging$2,37869%
- Food and beverage$1,08931%
Companies that paid Dr. Chao 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. Kevin Z. Chao graduated from UC San Diego School of Medicine
Dr. Chao graduated from UC San Diego School of Medicine in 2005. Dr. Chao is a member of AANS and CNS.
- Medical school
- Board certified in neurological surgery
Source: Dmand AI Professional Profile Data
Dr. Kevin Z. Chao accepts plans from 5 insurance carriers
Dr. Chao is in network with 5 carriers, including Kaiser Permanente, United Healthcare and CMS Medicare. HMO plans come from the most carriers, 2. Check the plan with the practice before a visit.
- Kaiser Permanente
- United Healthcare
- CMS Medicare
- Delta Dental
- NV State Medicaid
Plan types Dr. Chao accepts, by number of carriers
- HMO2
- POS2
- EPO1
- Medicaid1
- Medicare1
- PPO1
Source: Dmand AI Insurance Network Data
Sources for Dr. Kevin Z. Chao'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 patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| Part D prescribing | Medicare 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 percentiles | Doctors and Clinicians National Downloadable File (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. Kevin Z. Chao
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. Kevin Z. Chao's NPI number?
Dr. Kevin Z. Chao's NPI number is 1659551471. It was assigned on November 8, 2007, and it is active in the NPI Registry.
What kind of doctor is Dr. Kevin Z. Chao?
Dr. Kevin Z. Chao is a neurosurgeon in Redwood City, California. The primary specialty in the NPI Registry is Neurological Surgery Physician (taxonomy code 207T00000X).
Where does Dr. Kevin Z. Chao practice?
Dr. Chao practices at 1100 Veterans Boulevard, Redwood City, CA 94063. Dr. Chao's primary practice is Redwood City Medical Center in Redwood City, California, part of Kaiser Permanente.
What is Dr. Kevin Z. Chao's office phone number?
The practice phone on file for Dr. Chao is (650) 299-2000.
What is Dr. Kevin Z. Chao's medical license number?
Dr. Chao holds California license A96578.
Which hospitals is Dr. Kevin Z. Chao affiliated with?
Dr. Chao practices at Redwood City Medical Center in Redwood City, California. Dr. Chao is also affiliated with Stanford Hospital at 300 Pasteur Drive.
What medical group is Dr. Kevin Z. Chao part of?
Dr. Chao is linked to The Permanente Medical Group, Inc.
Does Dr. Kevin Z. Chao accept Medicare?
Yes. CMS lists Dr. Chao as accepting Medicare assignment.
Is Dr. Kevin Z. Chao board certified?
Yes. Dr. Chao is board certified in neurological surgery by the American Board of Neurological Surgery.
Where did Dr. Kevin Z. Chao go to medical school?
Dr. Chao graduated from UC San Diego School of Medicine in 2005.
Show 6 more questionsShow fewer questions
What drugs does Dr. Kevin Z. Chao prescribe most?
In 2024 Medicare Part D data, Dr. Chao's most prescribed drugs by claims were Oxycodone HCl.
Has Dr. Kevin Z. Chao received payments from drug or device companies?
CMS Open Payments shows $3,467 in general payments to Dr. Chao from 10 companies from 2016 to 2025. The largest total came from Alphatec Spine, Inc.
How long has Dr. Kevin Z. Chao been practicing?
Dr. Chao graduated from medical school in 2005, 21 years ago.
Does Dr. Kevin Z. Chao do research?
Dmand AI links 4 publications to Dr. Chao, published from 2010 to 2013.
Who does Dr. Kevin Z. Chao publish with?
Dr. Chao's most frequent co-authors are Gary Kenneth Steinberg, MD (2 shared papers), Sanjeev Dutta, MD, MA, FRCSC (1 shared paper) and Peter Alexander Gooderham, MD (1 shared paper).
What insurance does Dr. Kevin Z. Chao accept?
Dr. Chao is in network with 5 carriers, including Kaiser Permanente, United Healthcare and CMS Medicare. HMO plans come from the most carriers, 2. Check the plan with the practice before a visit.
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