ZACHARY THOMAS SIRESS DO
NPI 1407598022
Internal Medicine in Saint Joseph, MO

Active since April 13, 2022PECOS EnrolledAccepts Medicare Assignment
5514 CORPORATE DR STE 120, SAINT JOSEPH, MO 64507(816) 271-1350(816) 271-1355 Get Directions Write a Review

NPPES record last updated: April 7, 2026. Verified against the NPPES registry weekly; last sync: October 11, 2026.

Record update history: Apr 7, 2026, May 2, 2022, Apr 13, 2022 (3 updates tracked since 2022).

About Zachary Thomas Siress Do NPPES

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

ZACHARY THOMAS SIRESS DO (NPI 1407598022) is an individual internal medicine provider in Saint Joseph, Missouri, licensed in Missouri (2025053213) and active in the NPI registry since April 2022. He is enrolled in Medicare PECOS, is affiliated with Mosaic Life Care At St Joseph, and is a graduate of Other (2025).

NPPES Registry Identity

NPI1407598022
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameZACHARY THOMAS SIRESSCredential: DO
Location Address5514 CORPORATE DR STE 120Saint Joseph, MO 64507-7754
Mailing Address5514 Corporate Dr Ste 120Saint Joseph, MO 64507-7754 · (816) 271-1350 · Fax (816) 271-1355
Fax(816) 271-1355
Sole ProprietorNo
Medical School CMSOtherGraduated 2025
Enumeration DateApril 13, 2022
Last NPPES UpdateApril 7, 20263 updates tracked since enumeration
NPPES CertifiedApril 7, 2026
✔ NPI 1407598022 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in MO · 2025053213
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
5514 CORPORATE DR STE 120, Saint Joseph, MO 64507

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

Zachary Thomas Siress Do 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 ID446639827
PECOS Enrollment IDI20260413001456
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.

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Mosaic Life Care At St Joseph

Acute Care Hospitals · Saint Joseph, MO
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number260006
Location5325 Faraon StreetSaint Joseph, MO 64506 · Buchanan County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 64507 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
$121.96 typical visit price
range $52.28 – $161.24
Typical copayment $30.49 (range $13.07 – $40.31)
Most-billed visit code 99204
Established Patient
$93.24 typical visit price
range $16.30 – $131.05
Typical copayment $23.31 (range $4.07 – $32.76)
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 13

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Internal Medicine
5514 CORPORATE DR STE 120
SAINT JOSEPH, MO 64507
Internal Medicine
5514 CORPORATE DR STE 120
SAINT JOSEPH, MO 64507
Internal Medicine
5514 CORPORATE DR STE 120
SAINT JOSEPH, MO 64507
Pediatrics
5514 CORPORATE DR STE 120
SAINT JOSEPH, MO 64507
Internal Medicine
5514 CORPORATE DR STE 120
SAINT JOSEPH, MO 64507
Nurse Practitioner (Pediatrics)
5514 CORPORATE DR STE 120
SAINT JOSEPH, MO 64507
Internal Medicine
5514 CORPORATE DR STE 120
SAINT JOSEPH, MO 64507
Internal Medicine
5514 CORPORATE DR STE 120
SAINT JOSEPH, MO 64507

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 Zachary Siress's NPI number?

The NPI number for Zachary Siress is 1407598022. It was assigned to this individual provider in the NPPES registry on April 13, 2022.

Where is Zachary Siress located?

Zachary Siress practices at 5514 Corporate Dr Ste 120, Saint Joseph, MO 64507. The listed phone number is (816) 271-1350.

What is Zachary Siress's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Zachary Siress enrolled in Medicare?

Yes. Zachary Siress 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.

Is Zachary Siress affiliated with any hospitals?

According to CMS data, Zachary Siress is affiliated with Mosaic Life Care At St Joseph.

When was this NPI record last updated?

The NPPES record for Zachary Siress 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 6 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.