DORIS W CHAN D.O.
NPI 1124289053
Emergency Medicine in Houston, TX

Active since June 23, 2008PECOS EnrolledAccepts Medicare Assignment
921 GESSNER RD, MEMORIAL HERMANN MEMORIAL CITY, HOUSTON, TX 77024(713) 242-3070 Get Directions Write a Review

NPPES record last updated: September 13, 2024. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: Sep 13, 2024, Mar 22, 2016 (2 updates tracked since 2016).

About Doris W Chan D.o. NPPES

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

DORIS W CHAN D.O. (NPI 1124289053) is an individual emergency medicine provider in Houston, Texas, licensed in Texas (P8347) and active in the NPI registry since June 2008. She is enrolled in Medicare PECOS, is affiliated with Memorial Hermann Memorial City Hospital, and is a graduate of Nova Southeastern College Of Osteo Medicine (2008).

NPPES Registry Identity

NPI1124289053
Entity TypeIndividualFemale
Primary Taxonomy207P00000X
Provider Legal NameDORIS W CHANCredential: D.O.
Location Address921 GESSNER RD, MEMORIAL HERMANN MEMORIAL CITYHouston, TX 77024-2501
Mailing Address1215 W 25th St, Unit DHouston, TX 77008-2472
Sole ProprietorYes
Medical School CMSNova Southeastern College Of Osteo MedicineGraduated 2008
Enumeration DateJune 23, 2008
Last NPPES UpdateSeptember 13, 20242 updates tracked since enumeration
NPPES CertifiedSeptember 13, 2024
NPI 1124289053 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyEmergency MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207P00000X
License Licensed in TX · P8347
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.

921 GESSNER RD, Houston, TX 77024

Accepted Insurance

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

Doris W Chan D.o. 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 ID4183892821
PECOS Enrollment IDI20150224000941
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.
242 services236 patients
Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 93010
A routine electrocardiogram (ECG) with 12 leads is a simple, non-invasive test that records the electrical activity of your heart. It helps in identifying heart conditions by detecting irregularities in your heart rhythms. The results are interpreted and a report is provided.
222 services209 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.
58 services58 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.
31 services30 patients

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Memorial Hermann Memorial City Hospital

Acute Care Hospitals · Houston, TX
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number450610
Location921 GessnerHouston, TX 77024 · Harris County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 77024 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
$90.40 typical visit price
range $58.24 – $176.98
Typical copayment $22.60 (range $14.56 – $44.24)
Most-billed visit code 99203
Established Patient
$102.71 typical visit price
range $18.60 – $143.93
Typical copayment $25.67 (range $4.65 – $35.98)
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.

Nurse Practitioner (Acute Care)
921 GESSNER RD
HOUSTON, TX 77024
Physician Assistant (Surgical)
921 GESSNER RD
HOUSTON, TX 77024
Physician Assistant
921 GESSNER RD
HOUSTON, TX 77024
Nurse Anesthetist, Certified Registered
921 GESSNER RD
HOUSTON, TX 77024
Pediatrics (Neonatal-Perinatal Medicine)
921 GESSNER RD
HOUSTON, TX 77024
Hospitalist
921 GESSNER RD
HOUSTON, TX 77024
Internal Medicine
921 GESSNER RD
HOUSTON, TX 77024
Anesthesiology
921 GESSNER RD
HOUSTON, TX 77024

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 Doris Chan's NPI number?

The NPI number for Doris Chan is 1124289053. It was assigned to this individual provider in the NPPES registry on June 23, 2008.

Where is Doris Chan located?

Doris Chan practices at 921 Gessner Rd Memorial Hermann Memorial City, Houston, TX 77024. The listed phone number is (713) 242-3070.

What is Doris Chan's specialty?

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

Is Doris Chan enrolled in Medicare?

Yes. Doris 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.

What insurance does Doris Chan accept?

Health plans from Blue Cross and Blue Shield of Texas, Community Health Choice and Oscar Insurance Company list Doris 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.

Is Doris Chan affiliated with any hospitals?

According to CMS data, Doris Chan is affiliated with Memorial Hermann Memorial City Hospital.

When was this NPI record last updated?

The NPPES record for Doris Chan was last updated on September 13, 2024. NPI Profile syncs with the weekly NPPES data releases published by CMS.