THOMAS G AHN M D A PROF CORP
NPI 1982720728
Internal Medicine - Endocrinology, Diabetes & Metabolism in Los Angeles, CA

Q: What is Thomas G Ahn M D A Prof Corp's NPI number?

The NPI number for Thomas G Ahn M D A Prof Corp is 1982720728. It was assigned to this organization in the NPPES registry on March 22, 2007.

Q: What is Thomas G Ahn M D A Prof Corp's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Endocrinology, Diabetes & Metabolism, with taxonomy code 207RE0101X.

Active since March 22, 2007

2080 CENTURY PARK E, SUITE 1410, LOS ANGELES, CA 90067(310) 277-7600(310) 553-9103 Get Directions Write a Review

NPPES record last updated: December 29, 2025. Verified against the NPPES registry weekly; last sync: August 02, 2026.

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About Thomas G Ahn M D A Prof Corp NPPES

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

THOMAS G AHN M D A PROF CORP (NPI 1982720728) is a healthcare organization registered as an endocrinology, diabetes & metabolism in Los Angeles, California and active in the NPI registry since March 2007. The organization lists Thomas G Ahn, Owner, as its authorized official.

NPPES Registry Identity

NPI1982720728

Entity TypeOrganization

Primary Taxonomy207RE0101X

Legal Business NameTHOMAS G AHN M D A PROF CORP

Location Address2080 CENTURY PARK E, SUITE 1410Los Angeles, CA 90067-2001

Mailing Address2080 Century Park E, Suite 1410Los Angeles, CA 90067-2001 · (310) 277-7600 · Fax (310) 553-9103

Phone(310) 277-7600

Fax(310) 553-9103

Organization SubpartNo

Authorized OfficialThomas G AhnOwner · (310) 277-7600

Enumeration DateMarch 22, 2007

Last NPPES UpdateDecember 29, 2025

NPPES CertifiedDecember 29, 2025

✔ NPI 1982720728 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Endocrinology, Diabetes & MetabolismAllopathic & Osteopathic Physicians

Taxonomy Code207RE0101X

Definition

An internist who concentrates on disorders of the internal (endocrine) glands such as the thyroid and adrenal glands. This specialist also deals with disorders such as diabetes, metabolic and nutritional disorders, obesity, pituitary diseases and menstrual and sexual problems.

2080 CENTURY PARK E, Los Angeles, CA 90067

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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 MULTIPLE SINGLE SPECIALTY GROUP

Other Providers at the Same Location NPPES 20

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

MITCHELL E COHEN M.D.

Internal Medicine (Endocrinology, Diabetes & Metabolism)

2080 CENTURY PARK E, SUITE 1609
LOS ANGELES, CA 90067

Los Angeles County (310) 203-8664

MRS. LYDIA NARY SAR RN

Registered Nurse (Oncology)

2080 CENTURY PARK E, STE 1005
LAS ANGELES, CA 90067

Los Angeles County (310) 229-3555

DR. JESSICA JISEON CHO M.D.

Internal Medicine

2080 CENTURY PARK E, SUITE 807
LOS ANGELES, CA 90067

Los Angeles County (310) 553-6494

JULIA GERGYE

Nurse Practitioner

2080 CENTURY PARK E
LOS ANGELES, CA 90067

Los Angeles County (310) 715-3237

DR. ROYA GOLSHANI M.D.

Internal Medicine

2080 CENTURY PARK E, SUITE 1804
LOS ANGELES, CA 90067

Los Angeles County (310) 553-5588

DR. SCOTT ZEITLIN M.D.

Urology

2080 CENTURY PARK E, SUITE 1407
LOS ANGELES, CA 90067

Los Angeles County (310) 284-8191

DR. ERIC RONALD SUE M.D.

Internal Medicine

2080 CENTURY PARK E, SUITE 1605
LOS ANGELES, CA 90067

Los Angeles County (310) 556-1800

HOWARD M. MOSS MD INC.

Clinic/Center (Medical Specialty)

2080 CENTURY PARK E, SUITE 1703
LOS ANGELES, CA 90067

Los Angeles County (310) 553-2080

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 Thomas G Ahn M D A Prof Corp's NPI number?

The NPI number for Thomas G Ahn M D A Prof Corp is 1982720728. It was assigned to this organization in the NPPES registry on March 22, 2007.

Where is Thomas G Ahn M D A Prof Corp located?

Thomas G Ahn M D A Prof Corp is located at 2080 Century Park E Suite 1410, Los Angeles, CA 90067. The listed phone number is (310) 277-7600.

What is Thomas G Ahn M D A Prof Corp's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Endocrinology, Diabetes & Metabolism, with taxonomy code 207RE0101X.

When was this NPI record last updated?

The NPPES record for Thomas G Ahn M D A Prof Corp was last updated on December 29, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.