What is Gregory Maag's NPI number?

Gregory Maag's National Provider Identifier (NPI) is 1467632570, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Gregory Maag's specialty?

Gregory Maag is listed in the NPPES registry with a primary specialty of Audiologist (Speech, Language and Hearing Service Providers).

Where is Gregory Maag located?

Gregory Maag's practice location on file with NPPES is 1417 Washington Ave, Alton, IL 62002-3964.

What is Gregory Maag's phone number?

The practice phone number listed in the NPPES registry for Gregory Maag is (618) 462-7900.

Is Gregory Maag's NPI active?

Yes — Gregory Maag's NPI (1467632570) is active in the NPPES registry as of the last update on 2007-11-06.

IndividualActive

Gregory Maag, M.A.-FAAA

NPI 1467632570 · Audiologist · Alton, IL

Gregory Maag, M.A.-FAAA is a Audiologist provider in Alton, IL (NPI 1467632570).

Provider details

NPI number: 1467632570
Entity type: Individual
Primary specialty: AudiologistSpeech, Language and Hearing Service Providers
Credential: M.A.-FAAA
Sex: Male
Sole proprietor: No
License: 147 000375 (IL)

Specialties & taxonomies

AudiologistPrimary231H00000XLicense 147 000375 (IL)
Speech, Language and Hearing Service Providers

Profile Score

Detailed profile(88/100 index)

A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.

Registry tenure38% of score
18 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

1417 Washington Ave

Alton, IL 62002-3964

Phone: (618) 462-7900

Fax: (618) 462-0179

Street-level locationGet directions

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Mailing address