DR. MICHAEL JOHN THORNTON MD
NPI 1003892233
Internal Medicine - Critical Care Medicine in Sacramento, CA

Active since December 20, 2005PECOS EnrolledAccepts Medicare Assignment
4150 V ST, SUITE 3400, SACRAMENTO, CA 95817(916) 734-3566 Get Directions Write a Review

NPPES record last updated: December 9, 2021. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Dr. Michael John Thornton Md NPPES

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

DR. MICHAEL JOHN THORNTON MD (NPI 1003892233) is an individual critical care medicine provider in Sacramento, California, licensed in California (A81778) and active in the NPI registry since December 2005. He is enrolled in Medicare PECOS and is a graduate of Other (2000).

NPPES Registry Identity

NPI1003892233
Entity TypeIndividualMale
Primary Taxonomy207RC0200X
Provider Legal NameDR. MICHAEL JOHN THORNTONCredential: MD
Location Address4150 V ST, SUITE 3400Sacramento, CA 95817-1460
Mailing Address4150 V St, Suite 3400Sacramento, CA 95817-1460 · (916) 734-3566 · Fax (916) 734-7924
Sole ProprietorNo
Medical School CMSOtherGraduated 2000
Enumeration DateDecember 20, 2005
Last NPPES UpdateDecember 9, 2021
NPI 1003892233 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 4

Primary SpecialtyInternal Medicine · Critical Care MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207RC0200X
License Licensed in CA · A81778
Definition
An internist who diagnoses, treats and supports patients with multiple organ dysfunction. This specialist may have administrative responsibilities for intensive care units and may also facilitate and coordinate patient care among the primary physician, the critical care staff and other specialists.
Also ListedInternal MedicineTaxonomy 207R00000X · License A81778 (CA)
Also ListedInternal Medicine · Pulmonary DiseaseTaxonomy 207RP1001X · License A81778 (CA)
Also ListedHospitalistTaxonomy 208M00000X · License A81778 (CA)
4150 V ST, Sacramento, CA 95817

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. Michael John Thornton 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 ID5294795720
PECOS Enrollment IDI20041018001268
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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 95817 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
$137.20 typical visit price
range $60.44 – $180.85
Typical copayment $34.30 (range $15.11 – $45.21)
Most-billed visit code 99204
Established Patient
$105.95 typical visit price
range $19.88 – $148.15
Typical copayment $26.48 (range $4.97 – $37.03)
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 Anesthetist, Certified Registered
4150 V ST, PSSB-SUITE 1200, MED: ANESTHESIA
SACRAMENTO, CA 95817
Nurse Anesthetist, Certified Registered
4150 V ST, PSSB-SUITE 1200, MED: ANESTHESIA
SACRAMENTO, CA 95817
Internal Medicine
4150 V ST, #3116
SACRAMENTO, CA 95817
Internal Medicine (Endocrinology, Diabetes & Metabolism)
4150 V ST, #3116
SACRAMENTO, CA 95817
Internal Medicine
4150 V ST, #3116
SACRAMENTO, CA 95817
Internal Medicine (Critical Care Medicine)
4150 V ST, SUITE 3400
SACRAMENTO, CA 95817
General Acute Care Hospital
4150 V ST, 2100
SACRAMENTO, CA 95817
Student in an Organized Health Care Education/Training Program
4150 V ST, SUITE 3100
SACRAMENTO, CA 95817

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 Michael Thornton's NPI number?

The NPI number for Michael Thornton is 1003892233. It was assigned to this individual provider in the NPPES registry on December 20, 2005.

Where is Michael Thornton located?

Michael Thornton practices at 4150 V St Suite 3400, Sacramento, CA 95817. The listed phone number is (916) 734-3566.

What is Michael Thornton's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Critical Care Medicine, with taxonomy code 207RC0200X.

Is Michael Thornton enrolled in Medicare?

Yes. Michael Thornton 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 Michael Thornton was last updated on December 9, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.