Dr. Chi-Chen Mao, MD
- Medicare services, 2024
- 232
- Medicare patients, 2024
- 165
- Part D claims, 2024
- 290
- Publications
- 1
- MIPS score, 2024
- 100
- Practice address
- 1310 El Camino Real, San Bruno, CA 94066
- Practice phone
- Call (650) 596-7000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Dignity Health-GoHealth Urgent Care San Bruno
Urgent Care Center · San Bruno, California
Find Dr. Mao's professional email, personal email and mobile number
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Dr. Chi-Chen Mao is a neurologist in San Bruno, California
Dr. Mao practices at Dignity Health-GoHealth Urgent Care San Bruno in San Bruno, California.
Dr. Mao's NPI, 1467530055, was assigned on November 1, 2006. Dr. Mao graduated from National Taiwan University College of Medicine in 1979. Dr. Mao holds California license A44396.
- NPI
- 1467530055NPI Registry (opens in a new tab)
- Medicare PAC ID
- 1254520430
- NPI enumeration date
- November 1, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (650) 596-7000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 73
- Medical school graduation
- 1979
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Chi-Chen Mao practices at Dignity Health-GoHealth Urgent Care San Bruno in San Bruno, California
Dr. Mao's primary practice is Dignity Health-GoHealth Urgent Care San Bruno, at 1310 El Camino Real, San Bruno, CA 94066. The practice phone is (650) 596-7000.
- Dignity Health-GoHealth Urgent Care San Bruno1310 El Camino Real, San Bruno, CA 94066Phone(650) 596-7000
Source: Dmand AI Affiliation Data
Dr. Chi-Chen Mao is affiliated with 3 sites of care and 2 medical groups
Dr. Mao's primary practice is Dignity Health-GoHealth Urgent Care San Bruno in San Bruno, California. Dr. Mao is also affiliated with Dignity Health - Sequoia Hospital. The medical group on file is The Permanente Medical Group, Inc. Dmand AI also links Dr. Mao to 1 more hospital and 1 medical group, each named with a free account. Dr. Mao's employer is on file too: an urgent care center.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Chi-Chen Mao's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Mao practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Dignity Health-GoHealth Urgent Care San Bruno | Available with a free account |
| +2 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Chi-Chen Mao is one of 2,207 neurologists in California
Neurology is Dr. Mao's primary specialty in the NPI Registry, under taxonomy code 2084N0400X. Dr. Mao is board certified in neurology by the American Board of Psychiatry and Neurology. Dmand AI has Dr. Mao's licenses on file in 3 states: California, Michigan and Oregon.
Specialties and state licenses
- Neurology, CaliforniaPrimary
- Michigan license
- Oregon license
Clinical focus
Dmand AI lists epilepsy, migraine and chronic headache, non-alzheimer's dementia (chronic) and parkinson's disease among the conditions Dr. Mao treats.
Neurologists near Dr. Mao
Counts of neurologists 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. Chi-Chen Mao billed Medicare for 232 services in 2024
CMS data shows 232 Medicare services from Dr. Mao across 4 procedure codes in 2024, for 165 Medicare patients. Medicare paid $39,528 for them. Every service was in an office.
Dr. Mao's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 182024: 2181111%
- Other services
- 2023: 02024: 14
Dr. Mao compared with the California median for neurologists, 2024
- Dr. Mao
- California median
- Medicare services
- 232vs 40443% below
- Medicare patients
- 165vs 19013% below
- Part D claims
- 174vs 32446% below
Medians across 1,995 neurologists in California with Dmand AI profiles that report each measure.
Dr. Mao'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. Mao and other neurologists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Chi-Chen Mao treated 165 Medicare patients in 2024, average age 78
CMS counts 165 Medicare patients who saw Dr. Mao in 2024. The largest group is 65 to 74, with 58 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 10% are also on Medicaid. Their average risk score is 1.06, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Mao's median patient age at 67, with 50% women.
Dr. Mao's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Mao's Medicare patients by sex, 2024
- Women9859%
- Men6741%
Chronic conditions among Dr. Mao's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis55%
- Ischemic heart disease30%
- Mood disorders28%
- Anxiety27%
- Depression24%
- Atrial fibrillation22%
Share of Medicare patients with each condition. A patient can have several.
Dr. Mao'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
- Women50%
- Men46%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Chi-Chen Mao wrote 290 Medicare Part D claims in 2024
In 2024, Dr. Mao wrote 290 Medicare Part D claims for 100 patients. 86% of them were for generic drugs. CMS names the drug for 174 of them, across 8 drugs with 11 or more claims each, at $118,683 in total drug cost. In 2023, CMS named 361 claims across 14 drugs.
Dr. Mao's Part D claims by kind of drug, 2024
- Generic250 claims86%
- Brand-name and other40 claims14%
Dr. Mao'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: 3612024: 17452%
Drugs named by CMS: 8 in 2024, 14 in 2023.
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
Dr. Chi-Chen Mao scored 100 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 100 out of 100 for Dr. Mao for performance year 2024, reported through an alternative payment model (APM). Dr. Mao accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Dr. Mao's MIPS scores, performance year 2024
- 100of 100Final score
- 86.3of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
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. Chi-Chen Mao has 1 publication on record
Dmand AI links 1 paper to Dr. Mao.
Recent publications by Dr. Mao
See who Dr. Mao researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Mao works with, so you can find a warm path to the right neurologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Chi-Chen Mao received $391 in industry payments from 2016 to 2024
CMS Open Payments shows 6 general payments to Dr. Mao from 5 drug and device companies from 2016 to 2024. Food and beverage make up the largest share, 100% of the total. Biogen, Inc. paid the most, $137.
General payments to Dr. Mao by program year, 2016 to 2024
Companies that paid Dr. Mao the most, 2016 to 2024
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Chi-Chen Mao has 1 award and honors on record
Dmand AI lists 1 award for Dr. Mao, most recently CMS Stage 1 2012 in 2011.
Awards and honors for Dr. Mao
- 2011
- CMS Stage 1 2012
Source: Dmand AI Professional Profile Data
Dr. Chi-Chen Mao graduated from National Taiwan University College of Medicine
Dr. Mao graduated from National Taiwan University College of Medicine in 1979. Dr. Mao is a member of AAN.
- Medical school
- Board certified in neurology
Source: Dmand AI Professional Profile Data
Dr. Chi-Chen Mao accepts plans from 12 insurance carriers
Dr. Mao is in network with 12 carriers, including Aetna, Elevance and United Healthcare. PPO plans come from the most carriers, 7. Check the plan with the practice before a visit.
- Aetna
- Elevance
- United Healthcare
- HCSC
- Blue Cross Blue Shield of Michigan
- Alliant Health Plans
- Blue Cross and Blue Shield of Kansas City
- CMS Medicare
- +4 more carriersWith a free account
Plan types Dr. Mao accepts, by number of carriers
- PPO7
- HMO6
- Medicare6
- EPO4
- POS3
Source: Dmand AI Insurance Network Data
Sources for Dr. Chi-Chen Mao'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 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)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) |
| Awards and committee roles | Dmand AI Professional Profile Data |
| 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. Chi-Chen Mao
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. Chi-Chen Mao's NPI number?
Dr. Chi-Chen Mao's NPI number is 1467530055. It was assigned on November 1, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Chi-Chen Mao?
Dr. Chi-Chen Mao is a neurologist in San Bruno, California. The primary specialty in the NPI Registry is Neurology Physician (taxonomy code 2084N0400X).
Where does Dr. Chi-Chen Mao practice?
Dr. Mao practices at 1310 El Camino Real, San Bruno, CA 94066. Dr. Mao's primary practice is Dignity Health-GoHealth Urgent Care San Bruno in San Bruno, California. Dmand AI also links Dr. Mao to 1 hospital and 1 medical group.
What is Dr. Chi-Chen Mao's office phone number?
The practice phone on file for Dr. Mao is (650) 596-7000.
What is Dr. Chi-Chen Mao's medical license number?
Dr. Mao holds California license A44396, one of the licenses on file in 3 states.
Which states has Dr. Chi-Chen Mao been licensed in?
Dmand AI has state licenses on file for Dr. Mao in California (1988 to 2027), Michigan (since 1984) and Oregon (since 1987).
Which hospitals is Dr. Chi-Chen Mao affiliated with?
Dr. Mao is affiliated with Dignity Health - Sequoia Hospital. Dmand AI links Dr. Mao to 1 more hospital.
What medical group is Dr. Chi-Chen Mao part of?
Dr. Mao is linked to The Permanente Medical Group, Inc. Dmand AI links Dr. Mao to 1 more medical group.
Does Dr. Chi-Chen Mao accept Medicare?
Yes. CMS data shows Dr. Mao billed Medicare for 232 services in 2024, and Dr. Mao accepts Medicare assignment.
What is Dr. Chi-Chen Mao's MIPS score?
Dr. Mao's MIPS final score for performance year 2024 is 100 out of 100, reported through an alternative payment model (APM).
Show 9 more questionsShow fewer questions
How many Medicare patients does Dr. Chi-Chen Mao see?
CMS counts 165 Medicare patients who saw Dr. Mao in 2024, with an average age of 78.
Is Dr. Chi-Chen Mao board certified?
Yes. Dr. Mao is board certified in neurology by the American Board of Psychiatry and Neurology.
What services does Dr. Chi-Chen Mao bill to Medicare?
In 2024, Dr. Mao's most billed Medicare services were office visit, new patient (99205), office visit, established patient (99215) and office visit, established patient (99214).
Where did Dr. Chi-Chen Mao go to medical school?
Dr. Mao graduated from National Taiwan University College of Medicine in 1979.
What drugs does Dr. Chi-Chen Mao prescribe most?
In 2024 Medicare Part D data, Dr. Mao's most prescribed drugs by claims were Memantine HCl, Carbidopa-Levodopa and Gabapentin.
Has Dr. Chi-Chen Mao received payments from drug or device companies?
CMS Open Payments shows $391 in general payments to Dr. Mao from 5 companies from 2016 to 2024. The largest total came from Biogen, Inc.
How long has Dr. Chi-Chen Mao been practicing?
Dr. Mao graduated from medical school in 1979, 47 years ago.
Does Dr. Chi-Chen Mao do research?
Dmand AI links 1 publication to Dr. Mao.
What insurance does Dr. Chi-Chen Mao accept?
Dr. Mao is in network with 12 carriers, including Aetna, Elevance and United Healthcare. PPO plans come from the most carriers, 7. Check the plan with the practice before a visit.
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