LISA CHAN MD
NPI 1366062325
Emergency Medicine in Vallejo, CA

Active since April 20, 2020PECOS EnrolledAccepts Medicare Assignment
975 SERENO DR, VALLEJO, CA 94589(707) 651-1000 Get Directions Write a Review

NPPES record last updated: December 11, 2025. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Dec 11, 2025, May 8, 2023, Apr 20, 2020 (3 updates tracked since 2020).

About Lisa Chan Md NPPES

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

LISA CHAN MD (NPI 1366062325) is an individual emergency medicine provider in Vallejo, California, licensed in Connecticut (073665) and active in the NPI registry since April 2020. She is enrolled in Medicare PECOS and is a graduate of F H Netter, M.d. School Of Med At Quinnipiac Univ (2020).

NPPES Registry Identity

NPI1366062325
Entity TypeIndividualFemale
Primary Taxonomy207P00000X
Provider Legal NameLISA CHANCredential: MD
Location Address975 SERENO DRVallejo, CA 94589-2441
Mailing Address975 Sereno DrVallejo, CA 94589-2441 · (707) 651-1000
Sole ProprietorNo
Medical School CMSF H Netter, M.d. School Of Med At Quinnipiac UnivGraduated 2020
Enumeration DateApril 20, 2020
Last NPPES UpdateDecember 11, 20253 updates tracked since enumeration
NPPES CertifiedDecember 11, 2025
✔ NPI 1366062325 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyEmergency MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207P00000X
Licenses✔ Licensed in CT · 073665✔ Licensed in CA · 204583
Definition
An emergency physician focuses on the immediate decision making and action necessary to prevent death or any further disability both in the pre-hospital setting by directing emergency medical technicians and in the emergency department. The emergency physician provides immediate recognition, evaluation, care, stabilization and disposition of a generally diversified population of adult and pediatric patients in response to acute illness and injury.
975 SERENO DR, Vallejo, CA 94589

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Lisa Chan 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 ID2769848860
PECOS Enrollment IDI20230516001310, I20260420001916
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.

Medicare Billing Reassignments

5

Medicare enrollment records show Lisa Chan reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Internal Medicine
975 SERENO DRIVE
Vallejo, CA 94589
  • Reassigned Medicare billing, California enrollment
  • 20,078 clinicians in this Medicare group
Emergency Medicine
56 FRANKLIN ST
Waterbury, CT 06706
  • Reassigned Medicare billing, Connecticut enrollment
  • 100 clinicians in this Medicare group
General Acute Care Hospital
100 GRAND ST
New Britain, CT 06052
  • Reassigned Medicare billing, Connecticut enrollment
  • 745 clinicians in this Medicare group
Internal Medicine
114 WOODLAND ST, SAINT FRANCIS MEDICAL GROUP INC.
Hartford, CT 06105
  • Reassigned Medicare billing, Connecticut enrollment
  • 1,186 clinicians in this Medicare group
General Acute Care Hospital
80 SEYMOUR ST
Hartford, CT 06102
  • Reassigned Medicare billing, Connecticut enrollment
  • 1,333 clinicians in this Medicare group

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

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.
139 services137 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.
70 services69 patients
Critical care, first 30-74 minutes 99291
Critical care involves immediate and constant attention by a team of specially-trained health professionals. It's for patients with life-threatening conditions, requiring first 30-74 minutes of intense monitoring and treatment.
25 services25 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.
19 services19 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 94589 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
$98.85 typical visit price
range $65.02 – $191.95
Typical copayment $24.71 (range $16.25 – $47.98)
Most-billed visit code 99203
Established Patient
$113.05 typical visit price
range $21.86 – $157.69
Typical copayment $28.26 (range $5.46 – $39.42)
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.

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.

Physical Medicine & Rehabilitation
975 SERENO DR
VALLEJO, CA 94589
Pharmacist
975 SERENO DR
VALLEJO, CA 94589
Student in an Organized Health Care Education/Training Program
975 SERENO DR
VALLEJO, CA 94589
Social Worker (Clinical)
975 SERENO DR
VALLEJO, CA 94589
Student in an Organized Health Care Education/Training Program
975 SERENO DR
VALLEJO, CA 94589
Anesthesiology
975 SERENO DR
VALLEJO, CA 94589
Family Medicine
975 SERENO DR
VALLEJO, CA 94589
Surgery
975 SERENO DR
VALLEJO, CA 94589

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 Lisa Chan's NPI number?

The NPI number for Lisa Chan is 1366062325. It was assigned to this individual provider in the NPPES registry on April 20, 2020.

Where is Lisa Chan located?

Lisa Chan practices at 975 Sereno Dr, Vallejo, CA 94589. The listed phone number is (707) 651-1000.

What is Lisa Chan's specialty?

The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.

Is Lisa Chan enrolled in Medicare?

Yes. Lisa 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.

Which organizations bill Medicare for Lisa Chan's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Lisa Chan reassigns Medicare benefits to 5 organizations: Permanente Medical Group Inc (Vallejo, CA), Cep America LLC (Waterbury, CT), The Hospital Of Central Connecticut At New Britain General And Bradley (New Britain, CT), Trinity Health Of New England Provider Network Organization Inc (Hartford, CT) and Hartford Hospital (Hartford, CT). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Lisa Chan's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Lisa Chan accept?

Health plans from WellSense Health Plan list Lisa Chan as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Lisa Chan was last updated on December 11, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 months 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.