Dongjin Sung, M.D.
NPI 1114231198 · Internal Medicine Physician · Gardena, CA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Dongjin Sung, M.D. is a Internal Medicine Physician provider in Gardena, CA (NPI 1114231198).
Provider details
- NPI number
- 1114231198
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 2012013838 (MO)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
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
15 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
4 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
568 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 | 175 | $99 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 141 | $9 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 132 | $138 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 57 | $140 |
| Annual Depression Screening, 5 to 15 MinutesG0444 | 27 | $21 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 119 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 829 | 252 |
| Metformin Hcl | 586 | 166 |
| Losartan Potassium | 502 | 148 |
| Amlodipine Besylate | 443 | 137 |
| Omeprazole | 392 | 152 |
| Rosuvastatin Calcium | 360 | 109 |
| Tamsulosin Hcl |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$765 across 38 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
Additional practice locations (3)
- 16020 S Western AveSte 101Gardena, CA 90247-3743Phone: (424) 551-3110
- 16020 S Western AveSte 101Gardena, CA 90247-3743Phone: (424) 551-3110
- 11116 Medical Campus RdHagerstown, MD 21742-6710Phone: (716) 868-9146
Registry dates
- Enumerated
- 2010-08-02
- Last updated
- 2020-03-20
- Certified
- 2020-03-20
Frequently asked questions
- What is Dongjin Sung's NPI number?
- Dongjin Sung's National Provider Identifier (NPI) is 1114231198, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Dongjin Sung's specialty?
- Dongjin Sung is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Dongjin Sung located?
- Dongjin Sung's practice location on file with NPPES is 1740 W Gardena Blvd, Gardena, CA 90247-4764.
- What is Dongjin Sung's phone number?
- The practice phone number listed in the NPPES registry for Dongjin Sung is (424) 551-3110.
- Does Dongjin Sung accept Medicare?
- Dongjin Sung is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Dongjin Sung's NPI active?
- Yes — Dongjin Sung's NPI (1114231198) is active in the NPPES registry as of the last update on 2020-03-20.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.