JOHN KUSTER (M.D.) – Allergy & Immunology Physician, NPI 1952834087
Allergy & Immunology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
71 ALLERGY/IMMUNOLOGY in CT
Provider Addresses for JOHN KUSTER (M.D.)
20 York St
New Haven, CT 065103220
Phone: (203) 688-4242
Type: Location
150 Bergen St # B239
Newark, NJ 071032496
Phone: (973) 972-7300
Type: Location
Yale New Haven Hospital, 20, York Street, Downtown, New Haven, New Haven County, Connecticut, 06510, United States
NEW HAVEN, CT 065103220
Phone: (203) 688-4242
Type: Mailing
PO BOX 208013
NEW HAVEN, CT 065208013
Phone: (203) 287-6200
Type: Mailing
6 DEVINE ST FL 2
NORTH HAVEN, CT 064732195
Phone: (203) 287-6200
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
Loading prescription activity...
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: 2022-08-01
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.
Enrollment records
1
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 |
|---|---|---|---|---|
| I20220801001998 | I | Allergy/Immunology | CT | 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 |
|---|---|---|---|---|
| 95004 | Test for allergy using allergenic extract | 295 | 11 | $0 |
| 95018 | Test for allergy using combination of methods with drug or biological | 117 | 13 | $0 |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 55 | 48 | $0 |
| 99212 | Established patient office or other outpatient visit, 10-19 minutes | 50 | 45 | $0 |
| 99203 | New patient office or other outpatient visit, 30-44 minutes | 45 | 45 | $0 |
Insurance plans in this area (ZIP 06510)
Loading plans...
Group practice members
| Name | Specialty | State |
|---|---|---|
| Interventional Cardiology, Cardiovascular Disease (Cardiology) | CT | |
| H E M A T O L O G Y/ O N C O L O G Y | CT | |
| Internal Medicine, Nephrology | SC | |
| - | CT | |
| - | NC | |
| Internal Medicine | CT | |
| - | CT | |
| Cardiac Surgery | CT | |
| - | CT | |
| - | CT |
Reviews
All reviews are moderated before publication. Reviews reflect users' opinions; we do not verify the accuracy of individual reviews.
No reviews yet. Be the first to share your experience — your opinion helps families compare providers.