Stephen Mayer, M.D.
NPI 1477635506 · Interventional Cardiology Physician · Springfield, IL
Stephen Mayer, M.D. is a Interventional Cardiology Physician provider in Springfield, IL (NPI 1477635506).
Provider details
- NPI number
- 1477635506
- Entity type
- Individual
- Primary specialty
- Interventional Cardiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 036-077146 (IL)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Other Service Providers
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 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
- 2006-10-19
- Last updated
- 2017-04-14
Frequently asked questions
- What is Stephen Mayer's NPI number?
- Stephen Mayer's National Provider Identifier (NPI) is 1477635506, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Stephen Mayer's specialty?
- Stephen Mayer is listed in the NPPES registry with a primary specialty of Interventional Cardiology Physician (Allopathic & Osteopathic Physicians).
- Where is Stephen Mayer located?
- Stephen Mayer's practice location on file with NPPES is 619 E Mason St, Springfield, IL 62701-1034.
- What is Stephen Mayer's phone number?
- The practice phone number listed in the NPPES registry for Stephen Mayer is (217) 788-0706.
- Is Stephen Mayer's NPI active?
- Yes — Stephen Mayer's NPI (1477635506) is active in the NPPES registry as of the last update on 2017-04-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.