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TRISTYN ST THOMAS-ACHOJA, MD, INC, A PROFESSIONAL MEDICAL CORPORATION
NPI 1093475303
Anesthesiology in Anaheim, CA

Active since December 28, 2021
1741 W ROMNEYA DR, SUITE F, ANAHEIM, CA 92801(714) 408-9481 Get Directions Write a Review

NPPES record last updated: December 29, 2021. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Tristyn St Thomas-achoja, Md, Inc, A Professional Medical Corporation NPPES

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

TRISTYN ST THOMAS-ACHOJA, MD, INC, A PROFESSIONAL MEDICAL CORPORATION (NPI 1093475303) is a healthcare organization registered as an anesthesiology in Anaheim, California and active in the NPI registry since December 2021. The organization lists Tristyn V St. Thomas-achoja, Ceo/president, as its authorized official.

NPPES Registry Identity

NPI1093475303
Entity TypeOrganization
Primary Taxonomy207L00000X
Legal Business NameTRISTYN ST THOMAS-ACHOJA, MD, INC, A PROFESSIONAL MEDICAL CORPORATION
Location Address1741 W ROMNEYA DR, SUITE FAnaheim, CA 92801-1805
Mailing Address5 Holland, Suite 101Irvine, CA 92618-2568 · (949) 588-2190 · Fax (949) 588-2199
Phone(714) 408-9481
Organization SubpartNo
Authorized OfficialTristyn V St. Thomas-achojaCeo/president · (949) 588-2190
Enumeration DateDecember 28, 2021
Last NPPES UpdateDecember 29, 2021
NPPES CertifiedDecember 29, 2021
✔ NPI 1093475303 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyAnesthesiologyAllopathic & Osteopathic Physicians
Taxonomy Code207L00000X
Definition
An anesthesiologist is trained to provide pain relief and maintenance, or restoration, of a stable condition during and immediately following an operation or an obstetric or diagnostic procedure. The anesthesiologist assesses the risk of the patient undergoing surgery and optimizes the patient's condition prior to, during and after surgery. In addition to these management responsibilities, the anesthesiologist provides medical management and consultation in pain management and critical care medicine. Anesthesiologists diagnose and treat acute, long-standing and cancer pain problems; diagnose and treat patients with critical illnesses or severe injuries; direct resuscitation in the care of patients with cardiac or respiratory emergencies, including the need for artificial ventilation; and supervise post-anesthesia recovery.
1741 W ROMNEYA DR, Anaheim, CA 92801
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Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Tristyn St Thomas-achoja, Md, Inc, A Professional Medical Corporation is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

Medicare enrollment records show 1 clinician reassigns Medicare billing to Tristyn St Thomas-Achoja, MD, Inc, A Professional Medical Corporation, which bills Medicare for the services this clinician delivers.

Clinician (1)

Tristyn St Thomas-Achoja
Anesthesiology
NPI 1306256490
1211 W LA PALMA AVE STE 209
Anaheim, CA 92801
(877) 594-2787
✔ PECOS✔ Accepts Medicare2.2 mi

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

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 Tristyn St Thomas-Achoja, MD, Inc, A Professional Medical Corporation's NPI number?

The NPI number for Tristyn St Thomas-Achoja, MD, Inc, A Professional Medical Corporation is 1093475303. It was assigned to this organization in the NPPES registry on December 28, 2021.

Where is Tristyn St Thomas-Achoja, MD, Inc, A Professional Medical Corporation located?

Tristyn St Thomas-Achoja, MD, Inc, A Professional Medical Corporation is located at 1741 W Romneya Dr Suite F, Anaheim, CA 92801. The listed phone number is (714) 408-9481.

What is Tristyn St Thomas-Achoja, MD, Inc, A Professional Medical Corporation's specialty?

The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.

Is Tristyn St Thomas-Achoja, MD, Inc, A Professional Medical Corporation enrolled in Medicare?

Yes. Tristyn St Thomas-Achoja, MD, Inc, A Professional Medical Corporation is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Tristyn St Thomas-Achoja, MD, Inc, A Professional Medical Corporation?

According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Anesthesiology) reassigns their Medicare billing to Tristyn St Thomas-Achoja, MD, Inc, A Professional Medical Corporation. A reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for the clinician's services. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

When was this NPI record last updated?

The NPPES record for Tristyn St Thomas-Achoja, MD, Inc, A Professional Medical Corporation was last updated on December 29, 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.