Hoon Hong, M.D.
NPI 1790758647 · Internal Medicine Physician · Buena Park, CA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Hoon Hong, M.D. is a Internal Medicine Physician provider in Buena Park, CA (NPI 1790758647).
Provider details
- NPI number
- 1790758647
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- A53118 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
20 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
895 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. 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 .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 302 | $99 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 260 | $139 |
| Blood Glucose (sugar) Test Performed By Hand-Held Instrument82962 | 87 | $3 |
| Automated Urinalysis Test81003 | 85 | $2 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 77 | $140 |
| Administration of Influenza Virus VaccineG0008 | 58 | $29 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 148 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 1,303 | 345 |
| Amlodipine Besylate | 1,202 | 303 |
| Losartan Potassium | 892 | 243 |
| Rosuvastatin Calcium | 828 | 244 |
| Metformin Hcl | 664 | 174 |
| Montelukast Sodium | 375 | 134 |
| Pioglitazone Hcl |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$2,365 across 112 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-02-10
- Last updated
- 2020-02-12
- Certified
- 2020-02-12
Frequently asked questions
- What is Hoon Hong's NPI number?
- Hoon Hong's National Provider Identifier (NPI) is 1790758647, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Hoon Hong's specialty?
- Hoon Hong is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Hoon Hong located?
- Hoon Hong's practice location on file with NPPES is 5832 Beach Blvd Unit 214, Buena Park, CA 90621-5501.
- What is Hoon Hong's phone number?
- The practice phone number listed in the NPPES registry for Hoon Hong is (714) 523-7575.
- Does Hoon Hong accept Medicare?
- Hoon Hong is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Hoon Hong's NPI active?
- Yes — Hoon Hong's NPI (1790758647) is active in the NPPES registry as of the last update on 2020-02-12.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.