DR. ROBERT MICHAEL KLEIN (M.D.) – Allergy Physician, NPI 1235196452
Allergy Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
187 ALLERGY/IMMUNOLOGY in NJ
Provider Addresses for DR. ROBERT MICHAEL KLEIN (M.D.)
8718 Brittany Dr
Wayne, NJ 074708506
Phone: (973) 650-9317
Fax: (818) 745-1201
Type: Location
8718 BRITTANY DR
WAYNE, NJ 074708506
Phone: (973) 650-9317
Fax: (818) 745-1201
Type: Mailing
3959 BROADWAY
PH BUILDING, 17TH FLOOR, EAST WING, ROOM 114
NEW YORK, NY 100323720
Phone: (212) 305-2300
Fax: (212) 305-4538
Type: Location
1005, Clifton Avenue, Athenia, Clifton, Passaic County, New Jersey, 07013, United States
CLIFTON, NJ 070133520
Phone: (973) 773-7400
Fax: (973) 779-5224
Type: Mailing
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 37 Open Payments records for all available years, with a total value of $1,429.
Total Amount is formed as General ($1,429) + Research ($0) + Ownership ($0) = $1,429.
Last reported payment date: 2024-12-03 • Largest payer in this snapshot: Optinose US, Inc. ($290).
Total Amount
$1,429
General + Research + Ownership
Payments
37
Total payment records
General Amount
$1,429
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-03
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Optinose US, Inc. | $290 |
| AstraZeneca Pharmaceuticals LP | $280 |
| GENZYME CORPORATION | $186 |
| GlaxoSmithKline, LLC. | $120 |
| Lilly USA, LLC | $98 |
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: 2021-09-02
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 |
|---|---|---|---|---|
| I20110113000214 | I | Allergy/Immunology | NJ | TBD |
| I20210902002580 | I | Pediatric Medicine | NY | 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 | 13 | 12 | $0 |
Insurance plans in this area (ZIP 07470)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| A L L E R G Y/ I M M U N O L O G Y | NJ | |
| A L L E R G Y/ I M M U N O L O G Y | NJ | |
| Allergy/Immunology, Internal Medicine | NY | |
| A L L E R G Y/ I M M U N O L O G Y | NJ | |
| A L L E R G Y/ I M M U N O L O G Y | NJ | |
| Allergy/Immunology, Internal Medicine, Pediatric Medicine | NJ | |
| Nurse Practitioner | NJ | |
| A L L E R G Y/ I M M U N O L O G Y | LA | |
| A L L E R G Y/ I M M U N O L O G Y | MA | |
| Allergy/Immunology, Pediatric Medicine | NJ |
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