Kwang Jang, D.O.
NPI 1326271909 · Internal Medicine Physician · Chicago, IL
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Kwang Jang, D.O. is a Internal Medicine Physician provider in Chicago, IL (NPI 1326271909).
Provider details
- NPI number
- 1326271909
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- D.O.
- Sex
- Male
- Sole proprietor
- No
- License
- 125056216 (IL)
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 tenure33% of score
16 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
1 documented practice location
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
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 prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 73 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 328 | 114 |
| Amlodipine Besylate | 224 | 79 |
| Metformin Hclbrand: Metformin Hcl Er | 152 | 51 |
| Losartan Potassium | 149 | 43 |
| Metformin Hcl | 144 | 41 |
| Levothyroxine Sodium | 121 | 29 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$80 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
- 2009-08-28
- Last updated
- 2013-09-25
Frequently asked questions
- What is Kwang Jang's NPI number?
- Kwang Jang's National Provider Identifier (NPI) is 1326271909, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Kwang Jang's specialty?
- Kwang Jang is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Kwang Jang located?
- Kwang Jang's practice location on file with NPPES is 7464 N Clark St, Chicago, IL 60626-1620.
- What is Kwang Jang's phone number?
- The practice phone number listed in the NPPES registry for Kwang Jang is (773) 381-8700.
- Does Kwang Jang accept Medicare?
- Kwang Jang is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Kwang Jang's NPI active?
- Yes — Kwang Jang's NPI (1326271909) is active in the NPPES registry as of the last update on 2013-09-25.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.