United Medical Doctors
NPI 1639023187 · Sleep Medicine (Internal Medicine) Physician · San Diego, CA
United Medical Doctors is a Sleep Medicine (Internal Medicine) Physician organization in San Diego, CA (NPI 1639023187).
Provider details
- NPI number
- 1639023187
- Entity type
- Organization
- Primary specialty
- Sleep Medicine (Internal Medicine) PhysicianAllopathic & Osteopathic Physicians
- Parent organization
- United Medical Doctors
- Organization subpart
- Yes
- Authorized official
- John Hong, Ceo(951) 290-5472
Specialties & taxonomies
Allopathic & Osteopathic Physicians
- Sleep Specialist (PhD)173F00000X
Other Service Providers
Allopathic & Osteopathic Physicians
- Sleep Disorder Diagnostic Clinic/Center261QS1200X
Ambulatory Health Care Facilities
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
Under 1 yr in registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2026-02-23
- Last updated
- 2026-02-23
- Certified
- 2026-02-23
Frequently asked questions
- What is United Medical Doctors's NPI number?
- United Medical Doctors's National Provider Identifier (NPI) is 1639023187, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is United Medical Doctors?
- United Medical Doctors is classified in the NPPES registry as Sleep Medicine (Internal Medicine) Physician (Allopathic & Osteopathic Physicians).
- Where is United Medical Doctors located?
- United Medical Doctors's practice location on file with NPPES is 5643 Copley Dr Ste 240, San Diego, CA 92111-7903.
- What is United Medical Doctors's phone number?
- The practice phone number listed in the NPPES registry for United Medical Doctors is (858) 348-9050.
- Who is the authorized official for United Medical Doctors?
- The authorized official listed on United Medical Doctors's NPPES record is John Hong, Ceo. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is United Medical Doctors's NPI active?
- Yes — United Medical Doctors's NPI (1639023187) is active in the NPPES registry as of the last update on 2026-02-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.