1. Home
  2. Directory
  3. California
  4. Hayward
  5. Physician Assistant
  6. NPI Profile

MARK CHAN
NPI 1740639442
Physician Assistant - Medical in Hayward, CA

Active since June 03, 2016PECOS EnrolledAccepts Medicare Assignment
91.04/100
CMS Quality Rating
27200 CALAROGA AVE, HAYWARD, CA 94545(510) 264-4000 Get Directions Write a Review

NPPES record last updated: June 3, 2016. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Mark Chan NPPES

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

MARK CHAN (NPI 1740639442) is an individual medical provider in Hayward, California, licensed in California (53443) and active in the NPI registry since June 2016. He is enrolled in Medicare PECOS and is a graduate of Other (2016).

NPPES Registry Identity

NPI1740639442
Entity TypeIndividualMale
Primary Taxonomy363AM0700X
Provider Legal NameMARK CHAN
Location Address27200 CALAROGA AVEHayward, CA 94545-4339
Mailing Address27200 Calaroga AveHayward, CA 94545-4339
Phone(510) 264-4000
Sole ProprietorYes
Medical School CMSOtherGraduated 2016
Enumeration DateJune 3, 2016
✔ NPI 1740639442 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPhysician Assistant · MedicalPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363AM0700X
License✔ Licensed in CA · 53443
27200 CALAROGA AVE, Hayward, CA 94545
Open in Google Maps ↗

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

Mark Chan 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 ID1951695840
PECOS Enrollment IDI20160816001918
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.

Emergency department visit with high level of medical decision making 99285
An emergency department visit for severe conditions is when you urgently seek medical help due to serious health issues. These could be severe injuries, breathing problems, unbearable pain, or sudden severe illness. Doctors and nurses will provide immediate care to stabilize your condition.
73 services69 patients
Emergency department visit with moderate level of medical decision making 99284
An emergency department visit for a high-severity issue means you're experiencing a serious health problem that needs immediate attention. This could be a severe injury, serious illness, or life-threatening condition. Medical professionals will provide urgent care to stabilize your condition.
62 services60 patients
Emergency department visit with low level of medical decision making 99283
An emergency department visit for a problem of moderate severity involves immediate medical attention for issues like minor fractures, burns, or high fever. The healthcare team will assess your condition, provide necessary treatment, and may suggest further tests or admission if required.
37 services36 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.
36 services36 patients

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.

91.04/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality82.13
Promoting Interoperability100
Improvement Activities40
Cost64.1

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.

JONAS CRUZ MASIKAT M.D
Internal Medicine
27200 CALAROGA AVE
HAYWARD, CA 94545
Alameda County (510) 780-4345
MEI-KUEN GRACE CHUNG OT
Occupational Therapist
27200 CALAROGA AVE
HAYWARD, CA 94545
Alameda County (510) 264-4202
MANON A. BAZE PA
Physician Assistant
27200 CALAROGA AVE
HAYWARD, CA 94545
Alameda County (510) 264-4026
YAHYA AHMED M.D.
Internal Medicine
27200 CALAROGA AVE
HAYWARD, CA 94545
Alameda County (510) 264-4000
JOANNE LIM
Occupational Therapist (Physical Rehabilitation)
27200 CALAROGA AVE
HAYWARD, CA 94545
Alameda County (510) 780-4308
HAYWARD SISTERS HOSPITAL
Skilled Nursing Facility
27200 CALAROGA AVE
HAYWARD, CA 94545
Alameda County (510) 264-4000
NEELIMA AKKINAPALLI P.A.
Physician Assistant
27200 CALAROGA AVE
HAYWARD, CA 94545
Alameda County (510) 264-4000
SARAH LYNN WELSH D.O.
Emergency Medicine
27200 CALAROGA AVE
HAYWARD, CA 94545
Alameda County (510) 264-4026

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 Mark Chan's NPI number?

The NPI number for Mark Chan is 1740639442. It was assigned to this individual provider in the NPPES registry on June 3, 2016.

Where is Mark Chan located?

Mark Chan practices at 27200 Calaroga Ave, Hayward, CA 94545. The listed phone number is (510) 264-4000.

What is Mark Chan's specialty?

The primary specialty registered for this NPI is Physician Assistant, specializing in Medical, with taxonomy code 363AM0700X.

Is Mark Chan enrolled in Medicare?

Yes. Mark Chan 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 Mark Chan was last updated on June 3, 2016. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.