DR. DAVID WEI M.D.
NPI 1437354081
Emergency Medicine in Walnut Creek, CA

Active since June 15, 2007PECOS EnrolledAccepts Medicare Assignment
94.62/100
CMS Quality Rating
1601 YGNACIO VALLEY RD, WALNUT CREEK, CA 94598(925) 939-5800 Get Directions Write a Review

NPPES record last updated: October 11, 2025. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Oct 11, 2025, Jul 19, 2022, Jul 14, 2022 (3 updates tracked since 2022).

About Dr. David Wei M.d. NPPES

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

DR. DAVID WEI M.D. (NPI 1437354081) is an individual emergency medicine provider in Walnut Creek, California, licensed in California (A112876) and active in the NPI registry since June 2007. He is enrolled in Medicare PECOS and is a graduate of Northwestern University Feinberg Medical School (2007).

NPPES Registry Identity

NPI1437354081
Entity TypeIndividualMale
Primary Taxonomy207P00000X
Provider Legal NameDR. DAVID WEICredential: M.D.
Location Address1601 YGNACIO VALLEY RDWalnut Creek, CA 94598-3122
Mailing Address2100 Powell St Ste 900Emeryville, CA 94608-1844 · (925) 471-4291
Sole ProprietorNo
Medical School CMSNorthwestern University Feinberg Medical SchoolGraduated 2007
Enumeration DateJune 15, 2007
Last NPPES UpdateOctober 11, 20253 updates tracked since enumeration
NPPES CertifiedOctober 11, 2025
NPI 1437354081 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyEmergency MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207P00000X
License Licensed in CA · A112876
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.
Also ListedGeneral PracticeTaxonomy 208D00000X · License A112876 (CA)
1601 YGNACIO VALLEY RD, Walnut Creek, CA 94598

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

Dr. David Wei M.d. 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 ID3577757079
PECOS Enrollment IDI20110804000371
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 12

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.
444 services438 patients
Removal of skin and tissue, 20.0 sq cm or less 11042
This procedure involves the surgical removal of skin and tissue, up to 20.0 square cm in size. It's often performed to treat conditions like skin cancer or to remove moles, warts, and other skin lesions. The area is numbed and the unwanted tissue is carefully cut out.
318 services131 patients
Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
207 services95 patients
Removal of skin and tissue, each additional 20.0 sq cm or less 11045
This procedure involves the removal of skin and tissue, typically due to disease, injury, or abnormal growth. Each session removes an area of 20.0 square cm or less. It's performed by a trained professional and may require multiple sessions for larger areas.
134 services22 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.
129 services84 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.
106 services105 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 94598 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
$104.51 typical visit price
range $69.00 – $202.35
Typical copayment $26.12 (range $17.25 – $50.58)
Most-billed visit code 99203
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.

94.62/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality76.67
Improvement Activities40
Cost97.14

Referred Medical Equipment & Supplies CMS DME claims

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Shoulder orthosis, figure of eight design abduction restrainer, canvas and webbing, prefabricated, off-the-shelf L3660
DME-Orthotic Devices · category DF000N
1 supplier11 claims11 services$87.03 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

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.

Emergency Medicine
1601 YGNACIO VALLEY RD
WALNUT CREEK, CA 94598
Anesthesiology
1601 YGNACIO VALLEY RD
WALNUT CREEK, CA 94598
Anesthesiology
1601 YGNACIO VALLEY RD
WALNUT CREEK, CA 94598
Personal Emergency Response Attendant
1601 YGNACIO VALLEY RD
WALNUT CREEK, CA 94598
Pediatrics (Neonatal-Perinatal Medicine)
1601 YGNACIO VALLEY RD
WALNUT CREEK, CA 94598
Anesthesiology
1601 YGNACIO VALLEY RD
WALNUT CREEK, CA 94598
Emergency Medicine
1601 YGNACIO VALLEY RD
WALNUT CREEK, CA 94598
Anesthesiology
1601 YGNACIO VALLEY RD
WALNUT CREEK, CA 94598

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 David Wei's NPI number?

The NPI number for David Wei is 1437354081. It was assigned to this individual provider in the NPPES registry on June 15, 2007.

Where is David Wei located?

David Wei practices at 1601 Ygnacio Valley Rd, Walnut Creek, CA 94598. The listed phone number is (925) 939-5800.

What is David Wei's specialty?

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

Is David Wei enrolled in Medicare?

Yes. David Wei 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 David Wei was last updated on October 11, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.