Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Thomas A Maclean Jr., R.PH.

Pharmacist in Hammond, IN · enumerated 2012.

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

National Provider Identifier

1871840256

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Registry record

Entity type Individual (Type 1)

Name Thomas A Maclean Jr.

Credential R.PH.

Sex Male

Practice address 5500 Hohman Ave, Suite 1a, Hammond, IN, 46320

Phone (219) 937-3467

Fax (219) 937-3672

Enumeration date Aug 5, 2012

Last updated in NPPES Aug 5, 2012

Taxonomy & licenses

183500000X Pharmacist Pharmacy Service Providers · License 26019397A (IN) Primary

RPH · Registered Pharmacist: A licensed pharmacist registered with a state board of pharmacy. About the RPH credential

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

How do I verify Thomas Maclean's NPI record?

Cross-check NPI 1871840256 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.

Is NPI 1871840256 active?

Yes, as of the latest NPPES snapshot, NPI 1871840256 is active (record last updated 2012-08-05).

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Patrick Pontee Obstetrics Physician · Hammond, IN NPI 1376543926 Pharma-Card West, Inc Community/Retail Pharmacy · Hammond, IN NPI 1235197773 St Margaret Mercy Healthcare Centers Psychiatry Physician · Hammond, IN NPI 1891874053 Jose Lusancarez Family Medicine Physician · Hammond, IN NPI 1609180249 Rosenberg Family Practice Internal Medicine Physician · Hammond, IN NPI 1003196866 Patrick Pontee M.D. Obstetrics & Gynecology Physician · Hammond, IN NPI 1588937429 Linda Rosenberg D.O. Internal Medicine Physician · Hammond, IN NPI 1407120488

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2012-08-05.