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LONG BEACH INTERNAL MEDICAL GROUP, INC. A PROFESSIONAL CORPORATION
NPI 1861601981
Internal Medicine in Long Beach, CA

Active since May 22, 2007CLIA 05D0994453 · Waiver
2650 ELM AVE STE 307, LONG BEACH, CA 90806(562) 595-8549(562) 492-6271 Get Directions Write a Review

NPPES record last updated: February 26, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Feb 8, 2026, Aug 22, 2020 (2 updates tracked since 2020).

About Long Beach Internal Medical Group, Inc. A Professional Corporation NPPES

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

LONG BEACH INTERNAL MEDICAL GROUP, INC. A PROFESSIONAL CORPORATION (NPI 1861601981) is a healthcare organization registered as an internal medicine in Long Beach, California and active in the NPI registry since May 2007. The organization holds a CLIA Waiver certificate valid through December 13, 2027 and lists Denise Perez, Billing Manager, as its authorized official.

NPPES Registry Identity

NPI1861601981
Entity TypeOrganization
Primary Taxonomy207R00000X
Legal Business NameLONG BEACH INTERNAL MEDICAL GROUP, INC. A PROFESSIONAL CORPORATION
Location Address2650 ELM AVE STE 307Long Beach, CA 90806-1600
Mailing Address2650 Elm Ave Ste 307Long Beach, CA 90806-1600 · (562) 595-8549 · Fax (562) 492-6271
Phone(562) 595-8549
Fax(562) 492-6271
Organization SubpartNo
Authorized OfficialDenise PerezBilling Manager · (562) 595-8549
Enumeration DateMay 22, 2007
Last NPPES UpdateFebruary 26, 20262 updates tracked since enumeration
NPPES CertifiedFebruary 26, 2026
✔ NPI 1861601981 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
2650 ELM AVE STE 307, Long Beach, CA 90806
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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 05D0994453

Long Beach Internal Medical Group · Long Beach, CA
Active · expires Dec 13, 2027
CLIA Number05D0994453
Laboratory TypePhysician Office
Certificate Effective DateDecember 14, 2025
Certificate Expiration DateDecember 13, 2027
Laboratory DirectorStephen W. Hryniewicki MD
Laboratory Phone(562) 595-8549
Laboratory LocationLong Beach Internal Medical Group2650 Elm Avenue #309, Long Beach, CA 90806
CLIA data matches this NPI record on: 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.

JAMES D. LEO, M.D., INC.
Internal Medicine
2650 ELM AVE STE 307
LONG BEACH, CA 90806
Los Angeles County (562) 426-6220

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 Long Beach Internal Medical Group, Inc. A Professional Corporation's NPI number?

The NPI number for Long Beach Internal Medical Group, Inc. A Professional Corporation is 1861601981. It was assigned to this organization in the NPPES registry on May 22, 2007.

Where is Long Beach Internal Medical Group, Inc. A Professional Corporation located?

Long Beach Internal Medical Group, Inc. A Professional Corporation is located at 2650 Elm Ave Ste 307, Long Beach, CA 90806. The listed phone number is (562) 595-8549.

What is Long Beach Internal Medical Group, Inc. A Professional Corporation's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Does Long Beach Internal Medical Group, Inc. A Professional Corporation hold a CLIA laboratory certificate?

Yes. A Certificate of Waiver (number 05D0994453) is associated with this NPI, valid through December 13, 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 Long Beach Internal Medical Group, Inc. A Professional Corporation was last updated on February 26, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 months 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.