Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

KLEIN AND ASSOCIATES MD PA
NPI 1962434449
Internal Medicine - Rheumatology in Hagerstown, MD

Q: What is Klein And Associates MD PA's NPI number?

The NPI number for Klein And Associates MD PA is 1962434449. It was assigned to this organization in the NPPES registry on July 7, 2006.

Q: What is Klein And Associates MD PA's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Rheumatology, with taxonomy code 207RR0500X.

Active since July 07, 2006CLIA 21D0220755 · Waiver

346 MILL STREET, HAGERSTOWN, MD 21740(301) 791-6680(301) 714-1506 Get Directions Write a Review

NPPES record last updated: July 9, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Jul 9, 2026, Apr 5, 2022, Apr 26, 2018 (3 updates tracked since 2018).

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About Klein And Associates Md Pa NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

KLEIN AND ASSOCIATES MD PA (NPI 1962434449) is a healthcare organization registered as a rheumatology in Hagerstown, Maryland and active in the NPI registry since July 2006. The organization holds a CLIA Waiver certificate valid through February 27, 2027 and lists Okechukwu C Okoye, Owner, as its authorized official.

NPPES Registry Identity

NPI1962434449

Entity TypeOrganization

Primary Taxonomy207RR0500X

Legal Business NameKLEIN AND ASSOCIATES MD PA

Location Address346 MILL STREETHagerstown, MD 21740

Mailing Address346 Mill StHagerstown, MD 21740-6138 · (301) 791-6680 · Fax (301) 714-1506

Phone(301) 791-6680

Fax(301) 714-1506

Organization SubpartNo

Authorized OfficialOkechukwu C OkoyeOwner · (301) 791-6680

Enumeration DateJuly 7, 2006

Last NPPES UpdateJuly 9, 20263 updates tracked since enumeration

NPPES CertifiedJuly 9, 2026

✔ NPI 1962434449 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · RheumatologyAllopathic & Osteopathic Physicians

Taxonomy Code207RR0500X

Definition

An internist who treats diseases of joints, muscle, bones and tendons. This specialist diagnoses and treats arthritis, back pain, muscle strains, common athletic injuries and collagen diseases.

346 MILL STREET, Hagerstown, MD 21740

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Other Identifiers 1

Medicaid12961400MD

Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

CLIA Laboratory Certificates CMS CLIA

Laboratory certificates issued under the Clinical Laboratory Improvement Amendments (CLIA) program, which sets federal quality standards for human laboratory testing in the United States. There is no official CMS crosswalk between CLIA and NPI numbers; these certificates are associated with this NPI by matching facility names, locations and phone numbers in the CMS CLIA registry.

Certificate of Waiver 21D0220755

Klein And Associates MD PA · Hagerstown, MD

Active · expires Feb 27, 2027

CLIA Number21D0220755

Laboratory TypePhysician Office

Certificate Effective DateFebruary 28, 2025

Certificate Expiration DateFebruary 27, 2027

Laboratory DirectorSteven J. Klein MD

Laboratory Phone(301) 791-6680

Laboratory LocationKlein And Associates MD PA346 Mill St, Hagerstown, MD 21740

CLIA data matches this NPI record on: Address Name Phone

This certificate is issued to a laboratory to perform only waived tests.

Other Providers at the Same Location NPPES

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

OKECHUKWU C OKOYE

Internal Medicine (Rheumatology)

346 MILL STREET
HAGERSTOWN, MD 21740

Washington County (301) 791-6680

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Klein And Associates MD PA's NPI number?

The NPI number for Klein And Associates MD PA is 1962434449. It was assigned to this organization in the NPPES registry on July 7, 2006.

Where is Klein And Associates MD PA located?

Klein And Associates MD PA is located at 346 Mill Street, Hagerstown, MD 21740. The listed phone number is (301) 791-6680.

What is Klein And Associates MD PA's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Rheumatology, with taxonomy code 207RR0500X.

Does Klein And Associates MD PA hold a CLIA laboratory certificate?

Yes. A Certificate of Waiver (number 21D0220755) is associated with this NPI, valid through February 27, 2027. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.

When was this NPI record last updated?

The NPPES record for Klein And Associates MD PA was last updated on July 9, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 31 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.