DR. HANNA HUEY-JIUN CHAO (M.D.) – Internal Medicine Physician, NPI 1376581991
Internal Medicine Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
3,447 INTERNAL MEDICINE in CT
Provider Addresses for DR. HANNA HUEY-JIUN CHAO (M.D.)
55 Lock St
New Haven, CT 065113603
Phone: (203) 432-0123
Type: Location
4A Devine St
North Haven, CT 064732142
Phone: (203) 287-6900
Type: Location
151 EVERETT AVE
CHELSEA, MA 021501807
Phone: (617) 889-8580
Fax: (617) 889-8579
Type: Location
Veterans Administration Medical Center, 950, Campbell Avenue, West Haven, New Haven County, Connecticut, 06516, United States
MAIL CODE 11ACSL
WEST HAVEN, CT 065162770
Phone: (203) 932-5711
Fax: (203) 937-3428
Type: Mailing
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
No Open Payments data available for this provider.
This can happen when there are no reportable CMS Open Payments records.
Medicare Enrollment & Revalidation
Source: CMS public data · Not endorsed by CMS ·
Educational use only—not medical, billing, or legal advice.
PECOS enrollment status
Participating (accepts Medicare assignment)
Enrollment effective: 2024-03-11
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking 2 Medicare enrollment records; no due dates published yet.
Enrollment records
2
Earliest due date
Not assigned (TBD)
CMS data updated
2026-06-01
Revalidation progress
- Medicare enrolled
- On CMS revalidation list
- Due date assigned
- Revalidate in PECOS
CMS enrollment records
| Enrollment ID | Type | Specialty | State | Due date |
|---|---|---|---|---|
| I20080625000356 | I | Internal Medicine | CT | TBD |
| I20240311004054 | I | Internal Medicine | MA | TBD |
What to do next
- No action required while the due date shows TBD.
- Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
- Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.
Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS
Medicare Utilization (FFS)
Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·
Educational use only—not medical, billing, or legal advice.
Top Medicare procedures (2023) · refreshed 2026-05-27
| HCPCS | Description | Services | Beneficiaries | Medicare allowed |
|---|---|---|---|---|
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 79 | 75 | $0 |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 76 | 74 | $0 |
| 0241U | Respiratory infectious agent detection by rna for severe acute respiratory syndrome coronavirus 2 (covid 19), influenza a, influenza b, and respiratory syncytial virus, upper respiratory specimen, each reported as detected or not detected | 72 | 67 | $0 |
| 71046 | X-ray of chest, 2 views | 66 | 32 | $0 |
| 99215 | Established patient office or other outpatient visit, 40-54 minutes | 37 | 37 | $0 |
Insurance plans in this area (ZIP 06511)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Interventional Cardiology, Cardiovascular Disease (Cardiology) | CT | |
| - | CT | |
| - | CT | |
| Internal Medicine | NJ | |
| - | CT | |
| - | CT | |
| Certified Nurse Midwife (Cnm) | CT | |
| Internal Medicine | CT | |
| Nurse Practitioner | CT | |
| Internal Medicine | CT |
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