David Hwang, MD
NPI 1659430429 · Internal Medicine Physician · Evanston, IL
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
David Hwang, MD is a Internal Medicine Physician provider in Evanston, IL (NPI 1659430429).
Provider details
- NPI number
- 1659430429
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 036-099749 (IL)
Specialties & taxonomies
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
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
1,196 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 408 | $102 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 319 | $137 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 201 | $70 |
| 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 | 158 | $17 |
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report Only93010 | 30 | $8 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 104 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 613 | 169 |
| Amlodipine Besylate | 411 | 110 |
| Rosuvastatin Calcium | 302 | 91 |
| Levothyroxine Sodium | 234 | 58 |
| Tamsulosin Hcl | 193 | 55 |
| Lisinopril | 186 | 46 |
| Losartan Potassium |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-12-07
- Last updated
- 2020-12-17
- Certified
- 2020-12-17
Frequently asked questions
- What is David Hwang's NPI number?
- David Hwang's National Provider Identifier (NPI) is 1659430429, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is David Hwang's specialty?
- David Hwang is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is David Hwang located?
- David Hwang's practice location on file with NPPES is 1000 Central St, Evanston, IL 60201-1777.
- What is David Hwang's phone number?
- The practice phone number listed in the NPPES registry for David Hwang is (847) 570-1410.
- Does David Hwang accept Medicare?
- David Hwang is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is David Hwang's NPI active?
- Yes — David Hwang's NPI (1659430429) is active in the NPPES registry as of the last update on 2020-12-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.