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UNITED MEDICAL DOCTORS
NPI 1639023187
Internal Medicine - Sleep Medicine in San Diego, CA

Active since February 23, 2026
5643 COPLEY DR STE 240, SAN DIEGO, CA 92111(858) 348-9050 Get Directions Write a Review

NPPES record last updated: February 23, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About United Medical Doctors NPPES

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

UNITED MEDICAL DOCTORS (NPI 1639023187) is a healthcare organization registered as a sleep medicine in San Diego, California and active in the NPI registry since February 2026. The organization lists John J Hong, Ceo, as its authorized official.

NPPES Registry Identity

NPI1639023187
Entity TypeOrganization
Primary Taxonomy207RS0012X
Legal Business NameUNITED MEDICAL DOCTORS
Location Address5643 COPLEY DR STE 240San Diego, CA 92111-7903
Mailing Address28078 Baxter Rd Ste 530Murrieta, CA 92563-1405 · (951) 290-5472
Phone(858) 348-9050
Organization SubpartYes
Authorized OfficialJohn J HongCeo · (951) 290-5472
Enumeration DateFebruary 23, 2026
NPPES CertifiedFebruary 23, 2026
✔ NPI 1639023187 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 4

★ Primary SpecialtyInternal Medicine · Sleep MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207RS0012X
Definition
An Internist who practices Sleep Medicine is certified in the subspecialty of sleep medicine and specializes in the clinical assessment, physiologic testing, diagnosis, management and prevention of sleep and circadian rhythm disorders. Sleep specialists treat patients of any age and use multidisciplinary approaches. Disorders managed by sleep specialists include, but are not limited to, sleep related breathing disorders, insomnia, hypersomnias, circadian rhythm sleep disorders, parasomnias and sleep related movement disorders.
Also ListedSleep Specialist, PhDTaxonomy 173F00000X
Also ListedFamily Medicine · Sleep MedicineTaxonomy 207QS1201X
Also ListedClinic/Center · Sleep Disorder DiagnosticTaxonomy 261QS1200X
5643 COPLEY DR STE 240, San Diego, CA 92111
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Group Practice 1

Group TaxonomyThis provider is a business group of one or more individual practitioners, who practice with different areas of specialization.193200000X MULTI-SPECIALTY GROUP

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 United Medical Doctors's NPI number?

The NPI number for United Medical Doctors is 1639023187. It was assigned to this organization in the NPPES registry on February 23, 2026.

Where is United Medical Doctors located?

United Medical Doctors is located at 5643 Copley Dr Ste 240, San Diego, CA 92111. The listed phone number is (858) 348-9050.

What is United Medical Doctors's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Sleep Medicine, with taxonomy code 207RS0012X.

When was this NPI record last updated?

The NPPES record for United Medical Doctors was last updated on February 23, 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.