Ann Nguyen, MD
NPI 1629208988 · Advanced Heart Failure and Transplant Cardiology Physician · Chicago, IL
Enrolled with Medicare as Practitioner - Advanced Heart Failure and Transplant Cardiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Ann Nguyen, MD is a Advanced Heart Failure and Transplant Cardiology Physician provider in Chicago, IL (NPI 1629208988).
Provider details
- NPI number
- 1629208988
- Entity type
- Individual
- Primary specialty
- Advanced Heart Failure and Transplant Cardiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- Yes
- License
- 036131288 (IL)
Specialties & taxonomies
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
16 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
1,527 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 Report Only93010 | 1,008 | $9 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 121 | $127 |
| Critical Care, First 30-74 Minutes99291 | 85 | $236 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 69 | $18 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 64 | $159 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 14 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Spironolactone | 81 | 34 |
| Sacubitril/Valsartanbrand: Entresto | 59 | 24 |
| Metoprolol Succinate | 38 | 18 |
| Empagliflozinbrand: Jardiance | 37 | 16 |
| Furosemide | 34 | 11 |
| Atorvastatin Calcium | 32 | 14 |
| Dapagliflozin Propanediol |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$961 across 18 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)
- 1000 Central St Ste 730Evanston, IL 60201-1779Phone: (847) 663-8410Fax: (847) 676-1727
Registry dates
- Enumerated
- 2009-07-21
- Last updated
- 2020-03-06
- Certified
- 2020-03-06
Frequently asked questions
- What is Ann Nguyen's NPI number?
- Ann Nguyen's National Provider Identifier (NPI) is 1629208988, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ann Nguyen's specialty?
- Ann Nguyen is listed in the NPPES registry with a primary specialty of Advanced Heart Failure and Transplant Cardiology Physician (Allopathic & Osteopathic Physicians).
- Where is Ann Nguyen located?
- Ann Nguyen's practice location on file with NPPES is 5841 S Maryland Ave Ste Mc6080, Chicago, IL 60637-1641.
- What is Ann Nguyen's phone number?
- The practice phone number listed in the NPPES registry for Ann Nguyen is (773) 702-9324.
- Does Ann Nguyen accept Medicare?
- Ann Nguyen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Ann Nguyen's NPI active?
- Yes — Ann Nguyen's NPI (1629208988) is active in the NPPES registry as of the last update on 2020-03-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.