MICHAEL J SPEZIA DO INC
NPI 1912229147
Health Maintenance Organization in Saint Louis, MO

Active since February 15, 2010
23 N OAKS PLZ, SUITE 200, SAINT LOUIS, MO 63121(314) 385-7161(314) 385-3502 Get Directions Write a Review

NPPES record last updated: January 23, 2012. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Michael J Spezia Do Inc NPPES

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

MICHAEL J SPEZIA DO INC (NPI 1912229147) is a healthcare organization registered as a health maintenance organization in Saint Louis, Missouri and active in the NPI registry since February 2010. The organization lists Michael Joseph Spezia, Doctor, as its authorized official.

NPPES Registry Identity

NPI1912229147
Entity TypeOrganization
Primary Taxonomy302R00000X
Legal Business NameMICHAEL J SPEZIA DO INC
Location Address23 N OAKS PLZ, SUITE 200Saint Louis, MO 63121-2917
Mailing Address23 N Oaks Plz, Suite 200Saint Louis, MO 63121-2917 · (314) 385-7161 · Fax (314) 385-3502
Fax(314) 385-3502
Organization SubpartNo
Authorized OfficialMichael Joseph SpeziaDoctor · (314) 385-7161
Enumeration DateFebruary 15, 2010
Last NPPES UpdateJanuary 23, 2012
✔ NPI 1912229147 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyHealth Maintenance OrganizationManaged Care Organizations
Taxonomy Code302R00000X
License✔ Licensed in MO · R8660
Definition
(1) A form of health insurance in which its members prepay a premium for the HMO's health services which generally include inpatient and ambulatory care. For the patient, an HMO means reduced out-of-pocket costs (i.e. no deductible), no paperwork (i.e. insurance forms), and only a small copayment for each office visit to cover the paperwork handled by the HMO; (2) A organization of health care personnel and facilities that provides a comprehensive range of health services to an enrolled population for a fixed sum of money paid in advance for a specified period of time. These health services include a wide variety of medical treatments and consults, inpatient and outpatient hospitalization, home health service, ambulance service, and sometimes dental and pharmacy services. The HMO may be organized as a group model, an individual practice association (IPA), a network model or a staff model.
23 N OAKS PLZ, Saint Louis, MO 63121

Other Identifiers 2

Medicaid240274704MO
Medicare UPIN000009022MO

Accepted Insurance

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Michael J Spezia Do Inc 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 Michael J Spezia Do Inc, which bills Medicare for the services this clinician delivers.

Clinician (1)

Family Practice
NPI 1316928369
23 N OAKS PLZ SUITE 200
Saint Louis, MO 63121
(314) 385-7161
✔ PECOS✔ Accepts MedicareSame address

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 Michael J Spezia Do Inc's NPI number?

The NPI number for Michael J Spezia Do Inc is 1912229147. It was assigned to this organization in the NPPES registry on February 15, 2010.

Where is Michael J Spezia Do Inc located?

Michael J Spezia Do Inc is located at 23 N Oaks Plz Suite 200, Saint Louis, MO 63121. The listed phone number is (314) 385-7161.

What is Michael J Spezia Do Inc's specialty?

The primary specialty registered for this NPI is Health Maintenance Organization with taxonomy code 302R00000X.

Is Michael J Spezia Do Inc enrolled in Medicare?

Yes. Michael J Spezia Do Inc is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Michael J Spezia Do Inc?

According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Family Practice) reassigns their Medicare billing to Michael J Spezia Do Inc. 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.

What insurance does Michael J Spezia Do Inc accept?

Health plans from Medica list Michael J Spezia Do Inc as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Michael J Spezia Do Inc was last updated on January 23, 2012. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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.