Quoc Dang, D.O.
NPI 1639539752 · Family Medicine Physician · Chicago, IL
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Quoc Dang, D.O. is a Family Medicine Physician provider in Chicago, IL (NPI 1639539752).
Provider details
- NPI number
- 1639539752
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- D.O.
- Sex
- Male
- Sole proprietor
- No
- License
- 036.147714 (IL)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
10 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
545 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 Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 211 | $134 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 144 | $9 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 55 | $136 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 38 | $95 |
| Administration of Influenza Virus VaccineG0008 | 35 | $34 |
| Administration of Pneumococcal VaccineG0009 | 19 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 66 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 279 | 92 |
| Metformin Hcl | 172 | 51 |
| Losartan Potassium | 135 | 45 |
| Amlodipine Besylate | 130 | 42 |
| Lisinopril | 109 | 34 |
| Alendronate Sodium | 97 | 35 |
| Azelastine Hcl | 88 | 28 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$3,091 across 151 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 (1)
- 5060 N Broadway StChicago, IL 60640-3007Phone: (773) 293-8890
Registry dates
- Enumerated
- 2016-03-02
- Last updated
- 2021-08-18
- Certified
- 2021-08-18
Frequently asked questions
- What is Quoc Dang's NPI number?
- Quoc Dang's National Provider Identifier (NPI) is 1639539752, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Quoc Dang's specialty?
- Quoc Dang is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Quoc Dang located?
- Quoc Dang's practice location on file with NPPES is 4753 N Elston Ave, Chicago, IL 60630-4490.
- What is Quoc Dang's phone number?
- The practice phone number listed in the NPPES registry for Quoc Dang is (773) 205-7200.
- Does Quoc Dang accept Medicare?
- Quoc Dang is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Quoc Dang's NPI active?
- Yes — Quoc Dang's NPI (1639539752) is active in the NPPES registry as of the last update on 2021-08-18.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.