Jun Chiong, M.D., M.P.H.
NPI 1598730590 · Internal Medicine Physician · Redlands, CA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Jun Chiong, M.D., M.P.H. is a Internal Medicine Physician provider in Redlands, CA (NPI 1598730590).
Provider details
- NPI number
- 1598730590
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D., M.P.H.
- Sex
- Male
- Sole proprietor
- Yes
- License
- A95516 (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 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
9,987 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) |
|---|---|---|
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report93000 | 1,344 | $15 |
| Residence Visit for Established Patient With Moderate Level of Medical Decision Making, Per Day, If Using Time, at Least 40 Minutes99349 | 1,311 | $131 |
| Ultrasound of Heart With Color-Depicted Blood Flow, Rate, Direction and Valve Function93306 | 1,114 | $211 |
| Chronic Care Management Services, First 20 Minutes of Clinical Staff Time Directed By Health Care Professional, Per Calendar Month99490 | 968 | $66 |
| Subsequent Nursing Facility Care With Moderate Level of Medical Decision Making, Per Day, If Using Time, at Least 30 Minutes99309 | 811 | $106 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 134 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 1,745 | 372 |
| Losartan Potassium | 1,368 | 245 |
| Lisinopril | 791 | 146 |
| Amlodipine Besylate | 757 | 153 |
| Metformin Hcl | 571 | 130 |
| Carvedilol | 502 | 90 |
| Levothyroxine Sodium | 421 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$54 across 1 record (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
- 2006-02-22
- Last updated
- 2020-12-31
- Certified
- 2020-12-31
Frequently asked questions
- What is Jun Chiong's NPI number?
- Jun Chiong's National Provider Identifier (NPI) is 1598730590, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Jun Chiong's specialty?
- Jun Chiong is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Jun Chiong located?
- Jun Chiong's practice location on file with NPPES is 461 Tennessee St Ste C, Redlands, CA 92373-8161.
- What is Jun Chiong's phone number?
- The practice phone number listed in the NPPES registry for Jun Chiong is (909) 475-7371.
- Does Jun Chiong accept Medicare?
- Jun Chiong is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Jun Chiong's NPI active?
- Yes — Jun Chiong's NPI (1598730590) is active in the NPPES registry as of the last update on 2020-12-31.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.