Type 2 · Organization ✓ Active NPI ✓ Valid NPI checksum

Conrad May M.D. Ltd

Q: What type of organization is Conrad May M.D. Ltd?

Conrad May M.D. Ltd is registered in NPPES as a Health Maintenance Organization (its primary provider taxonomy).

Health Maintenance Organization in Chicago, IL · enumerated 2007 · authorized official Conrad May, Doctor.

Data current as of Jul 13, 2026 · sourced from CMS NPPES

National Provider Identifier

1649463175

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Registry record

Entity type Organization (Type 2)

Legal business name Conrad May M.D. Ltd

Practice address 3857 W Washington Blvd, Chicago, IL, 60624

Phone (773) 533-1417

Fax (773) 533-7348

Enumeration date Aug 17, 2007

Last updated in NPPES Mar 7, 2023

Taxonomy & classification

302R00000X Health Maintenance Organization Managed Care Organizations · License 207QA0505X (IL) Primary

Authorized official

Name Conrad May

Title Doctor

Phone (773) 533-1417

Other identifiers

Identifier	Type	State	Issuer
D12107	Other	IL	UPIN
21600463	Other	IL	BCBS
03638263	Medicaid	IL	-

What is an NPI number?

A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.

Read the full guide → Validate an NPI →

Frequently asked questions

What type of organization is Conrad May M.D. Ltd?

Conrad May M.D. Ltd is registered in NPPES as a Health Maintenance Organization (its primary provider taxonomy).

What is a Type 2 NPI?

A Type 2 NPI identifies an organization (group practice, hospital, pharmacy, lab), while Type 1 NPIs identify individual providers. Organizations bill under their Type 2 NPI.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2023-03-07.