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CHASE R THORSON MD
NPI 1285194522
Emergency Medicine in Visalia, CA

Active since March 22, 2019PECOS Enrolled
400 W MINERAL KING AVE, VISALIA, CA 93291(559) 624-2000 Get Directions Write a Review

NPPES record last updated: April 7, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Apr 7, 2026, Aug 1, 2024, Mar 22, 2019 (3 updates tracked since 2019).

About Chase R Thorson Md NPPES

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

CHASE R THORSON MD (NPI 1285194522) is an individual emergency medicine provider in Visalia, California, licensed in Maryland (D0100870) and active in the NPI registry since March 2019. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1285194522
Entity TypeIndividualMale
Primary Taxonomy207P00000X
Provider Legal NameCHASE R THORSONCredential: MD
Location Address400 W MINERAL KING AVEVisalia, CA 93291-6237
Mailing Address6201 Greenleigh AveMiddle River, MD 21220-2004 · (410) 933-0000 · Fax (410) 500-4266
Phone(559) 624-2000
Sole ProprietorNo
Enumeration DateMarch 22, 2019
Last NPPES UpdateApril 7, 20263 updates tracked since enumeration
NPPES CertifiedApril 7, 2026
✔ NPI 1285194522 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyEmergency MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207P00000X
License✔ Licensed in MD · D0100870
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.
400 W MINERAL KING AVE, Visalia, CA 93291
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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Chase R Thorson Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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.
127 services123 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.
100 services98 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.
27 services26 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.
18 services18 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 93291 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.

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.

STEPHANIE SONGEY
Emergency Medicine
400 W MINERAL KING AVE
VISALIA, CA 93291
Tulare County (559) 624-2000
GURSHARNJIT KAUR M.D.
Family Medicine
400 W MINERAL KING AVE
VISALIA, CA 93291
Tulare County (559) 624-4820
GEORGE J MOUSSALLY MSN,ACNP-BC,CCRN
Nurse Practitioner (Acute Care)
400 W MINERAL KING AVE
VISALIA, CA 93291
Tulare County (559) 624-2000
DR. MATTHEW KIM M.D.
Hospitalist
400 W MINERAL KING AVE
VISALIA, CA 93291
Tulare County (559) 624-2207
VAN NANCY TRINH DO
Anesthesiology
400 W MINERAL KING AVE
VISALIA, CA 93291
Tulare County (559) 624-6999
STEVEN ANDREW PLATO II M.D.
Thoracic Surgery (Cardiothoracic Vascular Surgery)
400 W MINERAL KING AVE
VISALIA, CA 93291
Tulare County (559) 624-2732
MS. DANA MARIE PAULSEN CRNA
Nurse Anesthetist, Certified Registered
400 W MINERAL KING AVE, KAWEAH DELTA MEDICAL CENTER
VISALIA, CA 93291
Tulare County (559) 624-2000
HEIDI KRISTEL CORBETT
Social Worker (Clinical)
400 W MINERAL KING AVE
VISALIA, CA 93291
Tulare County (559) 624-2000

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 Chase Thorson's NPI number?

The NPI number for Chase Thorson is 1285194522. It was assigned to this individual provider in the NPPES registry on March 22, 2019.

Where is Chase Thorson located?

Chase Thorson practices at 400 W Mineral King Ave, Visalia, CA 93291. The listed phone number is (559) 624-2000.

What is Chase Thorson's specialty?

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

Is Chase Thorson enrolled in Medicare?

Yes. Chase Thorson is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Chase Thorson was last updated on April 7, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.