Hyunseok Kim, M.D, M.P.H
NPI 1558758524 · Gastroenterology Physician · West Hollywood, CA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Hyunseok Kim, M.D, M.P.H is a Gastroenterology Physician provider in West Hollywood, CA (NPI 1558758524).
Provider details
- NPI number
- 1558758524
- Entity type
- Individual
- Primary specialty
- Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D, M.P.H
- Sex
- Male
- Sole proprietor
- No
- License
- 291954 (MA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
11 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
290 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 High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 111 | $153 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 64 | $83 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 34 | $104 |
| New Patient Office Or Other Outpatient Visit With a High Level of Medical Decision Making, If Using Time, 60 Minutes Or More99205 | 32 | $187 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 27 | $182 |
| Initial Hospital Care With Straightforward Or Low-Level Medical Decision Making, If Using Time, at Least 55 Minutes |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 10 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Ursodiol | 31 | — |
| Tenofovir Alafenamidebrand: Vemlidy | 29 | — |
| Furosemide | 26 | — |
| Sulfamethoxazole/Trimethoprimbrand: Sulfamethoxazole-Trimethoprim | 17 | 15 |
| Rifaximinbrand: Xifaxan | 16 | — |
| Omeprazole | 16 | — |
| Carvedilol | 15 | — |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$325 across 5 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
- 2015-04-17
- Last updated
- 2024-04-02
- Certified
- 2024-04-02
Frequently asked questions
- What is Hyunseok Kim's NPI number?
- Hyunseok Kim's National Provider Identifier (NPI) is 1558758524, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Hyunseok Kim's specialty?
- Hyunseok Kim is listed in the NPPES registry with a primary specialty of Gastroenterology Physician (Allopathic & Osteopathic Physicians).
- Where is Hyunseok Kim located?
- Hyunseok Kim's practice location on file with NPPES is 8900 Beverly Blvd Ste 310, West Hollywood, CA 90048-2438.
- What is Hyunseok Kim's phone number?
- The practice phone number listed in the NPPES registry for Hyunseok Kim is (310) 423-2641.
- Does Hyunseok Kim accept Medicare?
- Hyunseok Kim is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Hyunseok Kim's NPI active?
- Yes — Hyunseok Kim's NPI (1558758524) is active in the NPPES registry as of the last update on 2024-04-02.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.