Michael J Spezia DO Inc
NPI 1912229147 · Health Maintenance Organization · Saint Louis, MO
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Michael J Spezia DO Inc is a Health Maintenance Organization organization in Saint Louis, MO (NPI 1912229147).
Provider details
- NPI number
- 1912229147
- Entity type
- Organization
- Primary specialty
- Health Maintenance OrganizationManaged Care Organizations
- Organization subpart
- No
- Authorized official
- Michael Spezia, Doctor(314) 385-7161
- License
- R8660 (MO)
Specialties & taxonomies
Managed Care Organizations
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
16 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2010-02-15
- Last updated
- 2012-01-23
Frequently asked questions
- What is Michael J Spezia DO Inc's NPI number?
- Michael J Spezia DO Inc's National Provider Identifier (NPI) is 1912229147, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Michael J Spezia DO Inc?
- Michael J Spezia DO Inc is classified in the NPPES registry as Health Maintenance Organization (Managed Care Organizations).
- Where is Michael J Spezia DO Inc located?
- Michael J Spezia DO Inc's practice location on file with NPPES is 23 N Oaks Plz, Saint Louis, MO 63121-2917.
- What is Michael J Spezia DO Inc's phone number?
- The practice phone number listed in the NPPES registry for Michael J Spezia DO Inc is (314) 385-7161.
- Does Michael J Spezia DO Inc accept Medicare?
- Michael J Spezia DO Inc is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Who is the authorized official for Michael J Spezia DO Inc?
- The authorized official listed on Michael J Spezia DO Inc's NPPES record is Michael Spezia, Doctor. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Michael J Spezia DO Inc's NPI active?
- Yes — Michael J Spezia DO Inc's NPI (1912229147) is active in the NPPES registry as of the last update on 2012-01-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.