Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Richard Louis Markowitz, MD

Internal Medicine Physician in Hewlett, NY · enumerated 2005 · practices at Harvard Street Medical Associates, PC.

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

National Provider Identifier

1063414282

Verified

See something wrong? Report a correction

Registry record

Entity type Individual (Type 1)

Name Richard Louis Markowitz

Credential MD

Sex Male

Practice address 1553 Broadway, Hewlett, NY, 11557

Phone (516) 374-1677

Fax (516) 374-8666

Enumeration date Jun 1, 2005

Last updated in NPPES Apr 14, 2020

Taxonomy & licenses

207R00000X Internal Medicine Physician Allopathic & Osteopathic Physicians · License 200488 (NY) Primary

MD · Doctor of Medicine: A physician who completed medical school (allopathic medicine), residency training, and state licensure. About the MD credential

Other identifiers

Identifier	Type	State	Issuer
2599577	Other	NY	GHI
P669414	Other	NY	OXFORD
961772	Other	NY	AETNA
773161	Other	NY	BLUE CROSS BLUE SHIELD
01888673	Medicaid	NY	-

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 Richard Markowitz?

The National Provider Identifier (NPI) for Richard Markowitz is 1063414282, a Type 1 (individual) record in the CMS NPPES registry.

Where does Richard Markowitz practice?

The practice location on file with NPPES is in Hewlett, NY. Providers can have multiple locations; NPPES lists the primary practice address.

Other providers at this practice address

Browse all →

Alan Markowitz Internal Medicine Physician · Hewlett, NY NPI 1326039371 Harvard Street Medical Associates, PC Internal Medicine Physician · Hewlett, NY NPI 1154549368

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2020-04-14.