What is James Greco's NPI number?

James Greco's National Provider Identifier (NPI) is 1780224428, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is James Greco's specialty?

James Greco is listed in the NPPES registry with a primary specialty of Specialist (Other Service Providers).

Where is James Greco located?

James Greco's practice location on file with NPPES is 3309 S Kingshighway Blvd, Saint Louis, MO 63139-1101.

What is James Greco's phone number?

The practice phone number listed in the NPPES registry for James Greco is (314) 206-3700.

Is James Greco's NPI active?

Yes — James Greco's NPI (1780224428) is active in the NPPES registry as of the last update on 2025-05-06.

IndividualActive

James Greco, L1MA

NPI 1780224428 · Specialist · Saint Louis, MO

James Greco, L1MA is a Specialist provider in Saint Louis, MO (NPI 1780224428).

Provider details

NPI number: 1780224428
Entity type: Individual
Primary specialty: SpecialistOther Service Providers
Credential: L1MA
Sex: Male
Sole proprietor: No

Specialties & taxonomies

SpecialistPrimary174400000X
Other Service Providers

Profile Score

Established profile(58/100 index)

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

Registry tenure38% of score
6 yrs in NPPES registry
Profile completeness38% of score
83% 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

3309 S Kingshighway Blvd

Saint Louis, MO 63139-1101

Phone: (314) 206-3700

Street-level locationGet directions

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Mailing address