NPI Portal NPI Lookup & Verification

Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Adam R. Block, D.O.

Anesthesiology Physician in Oak Lawn, IL · enumerated 2006.

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

National Provider Identifier

1437106630

Verified

See something wrong? Report a correction

Registry record

Entity type Individual (Type 1)
Name Dr. Adam R. Block
Credential D.O.
Sex Male
Practice address 4440 W 95th St, Oak Lawn, IL, 60453
Phone (708) 684-8000
Enumeration date May 31, 2006
Last updated in NPPES Jun 26, 2025

Taxonomy & licenses

208VP0014X Interventional Pain Medicine Physician Allopathic & Osteopathic Physicians · License 036109660 (IN) Secondary
207L00000X Anesthesiology Physician Allopathic & Osteopathic Physicians · License 036109660 (IL) Primary
DO · Doctor of Osteopathic Medicine: A fully licensed physician trained in osteopathic medical schools, with the same practice rights as an MD. About the DO credential

Other identifiers

Identifier Type State Issuer
036109660 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 is the NPI number for Adam Block?
The National Provider Identifier (NPI) for Adam Block is 1437106630, a Type 1 (individual) record in the CMS NPPES registry.
Where does Adam Block practice?
The practice location on file with NPPES is in Oak Lawn, IL. Providers can have multiple locations; NPPES lists the primary practice address.

Other providers at this practice address

Browse all →

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2025-06-26.