STEPHEN ALEXANDER WESELY MD
NPI 1629069042
Emergency Medicine in Tracy, CA

Q: What is Stephen Wesely's NPI number?

The NPI number for Stephen Wesely is 1629069042. It was assigned to this individual provider in the NPPES registry on November 3, 2005.

Q: What is Stephen Wesely's specialty?

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

Q: When was this NPI record last updated?

The NPPES record for Stephen Wesely was last updated on July 28, 2008. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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.

Active since November 03, 2005PECOS EnrolledAccepts Medicare Assignment

94.62/100

CMS Quality Rating

1420 N TRACY BLVD, EMERGENCY DEPT, TRACY, CA 95376(209) 342-2300(209) 524-4240 Get Directions Write a Review

NPPES record last updated: July 28, 2008. Verified against the NPPES registry weekly; last sync: August 02, 2026.

On this page

About Stephen Alexander Wesely Md NPPES

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

STEPHEN ALEXANDER WESELY MD (NPI 1629069042) is an individual emergency medicine provider in Tracy, California, licensed in California (G75251) and active in the NPI registry since November 2005. He is enrolled in Medicare PECOS and is a graduate of Loma Linda University School Of Medicine (1991).

NPPES Registry Identity

NPI1629069042

Entity TypeIndividualMale

Primary Taxonomy207P00000X

Provider Legal NameSTEPHEN ALEXANDER WESELYCredential: MD

Location Address1420 N TRACY BLVD, EMERGENCY DEPTTracy, CA 95376-3451

Mailing Address4301 Northstar WayModesto, CA 95356-9262 · (209) 342-2300 · Fax (209) 524-4240

Phone(209) 342-2300

Fax(209) 524-4240

Sole ProprietorNo

Medical School CMSLoma Linda University School Of MedicineGraduated 1991

Enumeration DateNovember 3, 2005

Last NPPES UpdateJuly 28, 2008

✔ NPI 1629069042 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyEmergency MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207P00000X

License✔ Licensed in CA · G75251

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.

1420 N TRACY BLVD, Tracy, CA 95376

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Other Identifiers 5

Medicare UPINF79195

MedicaidOOG752510CA

OtherOOG752510CA · Blue Shield

Medicare PIN00G752510CA

Medicare PIN00G752512CA

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

Stephen Alexander Wesely 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 ID749369981

PECOS Enrollment IDI20080429000990

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 13

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.

156 services155 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.

142 services107 patients

New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204

This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.

134 services134 patients

Injection, dexamethasone sodium phosphate, 1 mg J1100

Dexamethasone sodium phosphate is a medication given via injection. It is a type of steroid that helps reduce inflammation and immune responses. It can be used to treat a variety of conditions, such as allergies, skin conditions, arthritis, and more.

120 services11 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.

109 services106 patients

Injection, ceftriaxone sodium, per 250 mg J0696

Ceftriaxone sodium is an antibiotic injection used to treat a variety of bacterial infections. Each injection contains 250 mg of the medicine. It works by stopping the growth of bacteria in your body.

68 services17 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.

51 services50 patients

Urinalysis, manual test 81002

A urinalysis is a simple, non-invasive test that checks the urine for various elements such as sugar, protein, and signs of infection. It can help detect many common conditions, including kidney disease and diabetes. The manual test involves a lab technician examining a urine sample.

48 services41 patients

Injection of drug or substance under skin or into muscle 96372

This procedure involves administering medication directly under the skin or into a muscle. A small needle is used to inject the drug, allowing it to be absorbed quickly into the bloodstream. It's a common method for delivering a variety of medications.

45 services38 patients

Detection test by immunoassay with direct visual observation for severe acute respiratory syndrome coronavirus 2 (covid-19) 87811

This is a test to detect COVID-19, the virus causing severe respiratory illness. It uses a method called immunoassay, which identifies the virus by its unique proteins. The test is directly observed for accuracy. It helps determine if you're currently infected.

31 services28 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.

27 services23 patients

Detection test by nucleic acid for multiple types influenza virus 87502

A detection test by nucleic acid for multiple types of influenza virus is a diagnostic procedure. It identifies the genetic material of the virus in your body. It's highly accurate and can distinguish between different flu strains, helping in prompt and precise treatment.

17 services17 patients

New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more 99203

This service involves an initial office or outpatient visit for a new patient. The healthcare professional will spend 30-44 minutes understanding your health history, current issues, and discussing possible treatment plans. It's a comprehensive evaluation to start your healthcare journey.

17 services17 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 95376 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

$90.32 typical visit price

range $58.87 – $176.60

Typical copayment $22.58 (range $14.71 – $44.15)

Most-billed visit code 99203

Established Patient

$103.36 typical visit price

range $19.28 – $144.60

Typical copayment $25.84 (range $4.82 – $36.15)

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

Quality

76.67

Improvement Activities

Cost

97.14

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.

SUTTER TRACY COMMUNITY HOSPITAL

General Acute Care Hospital

1420 N TRACY BLVD
TRACY, CA 95376

San Joaquin County (209) 835-1500

AISHA MALIK M.S., CCC-SLP

Speech-Language Pathologist

1420 N TRACY BLVD
TRACY, CA 95376

San Joaquin County (209) 835-1500

VICTOR SEGURA-PEREZ FNP

Nurse Practitioner (Family)

1420 N TRACY BLVD, S3CVO
TRACY, CA 95376

San Joaquin County (855) 398-1644

YOSEMITE PATHOLOGY MEDICAL GROUP, IN

Clinical Medical Laboratory

1420 N TRACY BLVD
TRACY, CA 95376

San Joaquin County (209) 577-1200

RACHEL MASTON

Nurse Practitioner (Family)

1420 N TRACY BLVD
TRACY, CA 95376

San Joaquin County (209) 835-1500

MR. JASON A PILKERTON NPC, MSN

Nurse Practitioner (Family)

1420 N TRACY BLVD
TRACY, CA 95376

San Joaquin County (209) 832-6018

JANICE MARIE CRAWFORD MD

Emergency Medicine

1420 N TRACY BLVD, EMERGENCY DEPT
TRACY, CA 95376

San Joaquin County (209) 342-2300

MR. STELIOS KATZAKIS PA-C

Physician Assistant

1420 N TRACY BLVD
TRACY, CA 95376

San Joaquin County (209) 832-6018

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 Stephen Wesely's NPI number?

The NPI number for Stephen Wesely is 1629069042. It was assigned to this individual provider in the NPPES registry on November 3, 2005.

Where is Stephen Wesely located?

Stephen Wesely practices at 1420 N Tracy Blvd Emergency Dept, Tracy, CA 95376. The listed phone number is (209) 342-2300.

What is Stephen Wesely's specialty?

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

Is Stephen Wesely enrolled in Medicare?

Yes. Stephen Wesely 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 Stephen Wesely was last updated on July 28, 2008. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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.