Gene Hwang, MD
NPI 1245213073 · Internal Medicine Physician · New Buffalo, MI
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Gene Hwang, MD is a Internal Medicine Physician provider in New Buffalo, MI (NPI 1245213073).
Provider details
- NPI number
- 1245213073
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- 4301048288 (MI)
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
20 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
191 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) |
|---|---|---|
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 53 | $9 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 52 | $86 |
| Established Patient Office Or Other Outpatient Visit With Straightforward Medical Decision Making, If Using Time, 10 Minutes Or More99212 | 35 | $54 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 32 | $123 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 19 | $122 |
Typical Medicare-allowed amounts for these services range $9–$123 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 18 distinct drugs on file.
| Drug | Part D claims (2024) |
|---|---|
| Atenolol | 54 |
| Simvastatin | 39 |
| Levothyroxine Sodium | 32 |
| Amlodipine Besylate | 30 |
| Hydrochlorothiazide | 26 |
| Lisinopril | 23 |
| Lovastatin | 22 |
| Metformin Hcl | 21 |
| Losartan Potassium | 18 |
| Enalapril Maleate | 17 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2005-11-25
- Last updated
- 2008-04-14
Frequently asked questions
- What is Gene Hwang's NPI number?
- Gene Hwang's National Provider Identifier (NPI) is 1245213073, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gene Hwang's specialty?
- Gene Hwang is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Gene Hwang located?
- Gene Hwang's practice location on file with NPPES is 225 S Whittaker St, New Buffalo, MI 49117-1377.
- What is Gene Hwang's phone number?
- The practice phone number listed in the NPPES registry for Gene Hwang is (269) 469-0202.
- Does Gene Hwang accept Medicare?
- Gene Hwang is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Gene Hwang's NPI active?
- Yes — Gene Hwang's NPI (1245213073) is active in the NPPES registry as of the last update on 2008-04-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.