Irene Hwu, MD
NPI 1699936757 · Geriatric Medicine (Internal Medicine) Physician · East Setauket, NY
Enrolled with Medicare as Practitioner - Geriatric Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Irene Hwu, MD is a Geriatric Medicine (Internal Medicine) Physician provider in East Setauket, NY (NPI 1699936757).
Provider details
- NPI number
- 1699936757
- Entity type
- Individual
- Primary specialty
- Geriatric Medicine (Internal Medicine) PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- 260594 (NY)
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
18 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
2,102 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 | 425 | $151 |
| 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 | 411 | $19 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 360 | $212 |
| Residence Visit for Established Patient With High Level of Medical Decision Making, Per Day, If Using Time, at Least 60 Minutes99350 | 180 | $213 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 111 | $154 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 62 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 266 | 70 |
| Levothyroxine Sodium | 214 | 46 |
| Amlodipine Besylate | 189 | 47 |
| Metoprolol Succinate | 120 | 29 |
| Losartan Potassium | 113 | 31 |
| Sertraline Hcl | 103 | 29 |
| Fluticasone Propionate |
Practice location
Mailing address
Registry dates
- Enumerated
- 2008-06-21
- Last updated
- 2012-08-13
Frequently asked questions
- What is Irene Hwu's NPI number?
- Irene Hwu's National Provider Identifier (NPI) is 1699936757, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Irene Hwu's specialty?
- Irene Hwu is listed in the NPPES registry with a primary specialty of Geriatric Medicine (Internal Medicine) Physician (Allopathic & Osteopathic Physicians).
- Where is Irene Hwu located?
- Irene Hwu's practice location on file with NPPES is 205 N Belle Mead Rd, East Setauket, NY 11733-3483.
- What is Irene Hwu's phone number?
- The practice phone number listed in the NPPES registry for Irene Hwu is (631) 444-4630.
- Does Irene Hwu accept Medicare?
- Irene Hwu is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Irene Hwu's NPI active?
- Yes — Irene Hwu's NPI (1699936757) is active in the NPPES registry as of the last update on 2012-08-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.