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CHI-CHEN MAO MD
NPI 1467530055
Psychiatry & Neurology - Neurology in South San Francisco, CA

Active since November 01, 2006PECOS EnrolledAccepts Medicare Assignment
96.5/100
CMS Quality Rating
1200 EL CAMINO REAL, SOUTH SAN FRANCISCO, CA 94080(650) 742-2000 Get Directions Write a Review

NPPES record last updated: December 13, 2021. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Chi-chen Mao Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

CHI-CHEN MAO MD (NPI 1467530055) is an individual neurology provider in South San Francisco, California, licensed in California (A44396) and active in the NPI registry since November 2006. He is enrolled in Medicare PECOS and is a graduate of Other (1979).

NPPES Registry Identity

NPI1467530055
Entity TypeIndividualMale
Primary Taxonomy2084N0400X
Provider Legal NameCHI-CHEN MAOCredential: MD
Location Address1200 EL CAMINO REALSouth San Francisco, CA 94080-3208
Mailing Address1800 Harrison St Fl 7Oakland, CA 94612-3466 · (510) 625-6262
Phone(650) 742-2000
Sole ProprietorNo
Medical School CMSOtherGraduated 1979
Enumeration DateNovember 1, 2006
Last NPPES UpdateDecember 13, 2021
✔ NPI 1467530055 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychiatry & Neurology · NeurologyAllopathic & Osteopathic Physicians
Taxonomy Code2084N0400X
License✔ Licensed in CA · A44396
Definition
A Neurologist specializes in the diagnosis and treatment of diseases or impaired function of the brain, spinal cord, peripheral nerves, muscles, autonomic nervous system, and blood vessels that relate to these structures.
1200 EL CAMINO REAL, South San Francisco, CA 94080
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Other Identifiers 1

Medicaid00A443960CA

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Chi-chen Mao Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID1254520430
PECOS Enrollment IDI20110104001281
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 4

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more 99205
This is a first-time patient visit where a healthcare professional spends 60-74 minutes with you. It involves a comprehensive evaluation, including your medical history and current health condition. They'll also advise on preventive health measures and formulate a treatment plan if needed.
132 services132 patients
Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215
This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.
66 services46 patients
Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
20 services16 patients
Prolonged office or other outpatient evaluation and management service(s) beyond the maximum required time of the primary procedure which has been selected using total time on the date of the primary service; each additional 15 minutes by the physician or G2212
This service refers to extended doctor visits where your healthcare provider spends additional time evaluating and managing your health beyond the primary procedure's required time. This includes each extra 15 minutes spent by the physician on the same day as the primary service.
14 services14 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 94080 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$153.83 typical visit price
range $69.00 – $202.35
Typical copayment $38.45 (range $17.25 – $50.58)
Most-billed visit code 99204
Established Patient
$119.48 typical visit price
range $23.44 – $166.46
Typical copayment $29.87 (range $5.86 – $41.61)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

96.5/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored through an Alternative Payment Model
Quality80.34
Promoting Interoperability100
Improvement Activities40

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

SANDRA MOONHEE LEE PHARM. D.
Pharmacist
1200 EL CAMINO REAL
SOUTH SAN FRANCISCO, CA 94080
San Mateo County (650) 742-2627
MELISSA ARGENTE RT
Respiratory Therapist, Registered
1200 EL CAMINO REAL
SOUTH SAN FRANCISCO, CA 94080
San Mateo County (650) 742-3313
DR. JAMES NICHOLAS PEROS MD
Internal Medicine
1200 EL CAMINO REAL
SOUTH SAN FRANCISCO, CA 94080
San Mateo County (650) 742-2000
DR. PIERSON CHIOU M.D.
Radiology (Diagnostic Radiology)
1200 EL CAMINO REAL, 1ST FLOOR, DEPARTMENT OF RADIOLOGY
SOUTH SAN FRANCISCO, CA 94080
San Mateo County (650) 742-3882
MS. LARELL LOUISE FINEREN CRNA
Nurse Anesthetist, Certified Registered
1200 EL CAMINO REAL
SOUTH SAN FRANCISCO, CA 94080
San Mateo County (650) 742-3037
EDMOND L. SCHMULBACH MD
Internal Medicine (Hematology & Oncology)
1200 EL CAMINO REAL
SOUTH SAN FRANCISCO, CA 94080
San Mateo County (650) 742-2000
EDWARD J. BADDOUR MD
Emergency Medicine
1200 EL CAMINO REAL
SOUTH SAN FRANCISCO, CA 94080
San Mateo County (650) 742-2000
ESTHER KOESHADI PHARM.D.
Pharmacist
1200 EL CAMINO REAL, KAISER PERMANENTE INPATIENT PHARMACY 3RD FLOOR
SOUTH SAN FRANCISCO, CA 94080
San Mateo County (650) 742-2486

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Chi-chen Mao's NPI number?

The NPI number for Chi-chen Mao is 1467530055. It was assigned to this individual provider in the NPPES registry on November 1, 2006.

Where is Chi-chen Mao located?

Chi-chen Mao practices at 1200 El Camino Real, South San Francisco, CA 94080. The listed phone number is (650) 742-2000.

What is Chi-chen Mao's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Neurology, with taxonomy code 2084N0400X.

Is Chi-chen Mao enrolled in Medicare?

Yes. Chi-chen Mao is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

When was this NPI record last updated?

The NPPES record for Chi-chen Mao was last updated on December 13, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.