Hankyu Chung, M.D.
NPI 1447367966 · Internal Medicine Physician · San Jose, CA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Hankyu Chung, M.D. is a Internal Medicine Physician provider in San Jose, CA (NPI 1447367966).
Provider details
- NPI number
- 1447367966
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- A31980 (CA)
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 tenure28% of score
19 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
672 Medicare services, 2024 (ranked within specialty)
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 methodology.
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) |
|---|---|---|
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report Only93010 | 429 | $9 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 97 | $142 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 87 | $158 |
| Telephone Medical Discussion With Physician, 11-20 Minutes99442 | 33 | $77 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 26 | $103 |
Typical Medicare-allowed amounts for these services range $9–$158 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 62 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 314 | 109 |
| Amlodipine Besylate | 214 | 72 |
| Metformin Hclbrand: Metformin Hcl Er | 200 | 68 |
| Rosuvastatin Calcium | 158 | 48 |
| Losartan Potassium | 157 | 51 |
| Losartan/Hydrochlorothiazidebrand: Losartan-Hydrochlorothiazide | 121 | 43 |
Practice location
Mailing address
Additional practice locations (1)
- 333 W El Camino Real Ste 230Sunnyvale, CA 94087-1969Phone: (949) 694-5700Fax: (669) 677-9373
Registry dates
- Enumerated
- 2006-08-23
- Last updated
- 2024-08-23
- Certified
- 2024-08-23
Frequently asked questions
- What is Hankyu Chung's NPI number?
- Hankyu Chung's National Provider Identifier (NPI) is 1447367966, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Hankyu Chung's specialty?
- Hankyu Chung is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Hankyu Chung located?
- Hankyu Chung's practice location on file with NPPES is 2039 Forest Ave, San Jose, CA 95128-4817.
- What is Hankyu Chung's phone number?
- The practice phone number listed in the NPPES registry for Hankyu Chung is (408) 297-8600.
- Does Hankyu Chung accept Medicare?
- Hankyu Chung is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Hankyu Chung's NPI active?
- Yes — Hankyu Chung's NPI (1447367966) is active in the NPPES registry as of the last update on 2024-08-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.