JOHN J OPPENHEIMER (MD) – Allergy Physician, NPI 1639170871
Allergy Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
187 ALLERGY/IMMUNOLOGY in NJ
Provider Addresses for JOHN J OPPENHEIMER (MD)
PO Box 846028, Albany Street, Church Green, Financial District, Boston, Suffolk County, Massachusetts, 02284-6028, United States
BOSTON, MA 022416457
Phone: (973) 656-6280
Fax: (973) 290-7495
Type: Mailing
8 SADDLE RD
FIRST FLOOR
CEDAR KNOLLS, NJ 079271902
Phone: (908) 934-0555
Fax: (973) 540-0472
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 268 Open Payments records for all available years, with a total value of $286,557.
Total Amount is formed as General ($286,283) + Research ($274) + Ownership ($0) = $286,557.
Last reported payment date: 2024-12-13 • Largest payer in this snapshot: GlaxoSmithKline, LLC. ($143,516).
Total Amount
$286,557
General + Research + Ownership
Payments
268
Total payment records
General Amount
$286,283
General payments
Research Amount
$274
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-13
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| GlaxoSmithKline, LLC. | $143,516 |
| AstraZeneca Pharmaceuticals LP | $40,916 |
| AstraZeneca UK Limited | $29,945 |
| GENZYME CORPORATION | $16,852 |
| Teva Pharmaceuticals USA, Inc. | $11,261 |
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: 2010-03-11
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 |
|---|---|---|---|---|
| I20100311000475 | I | Allergy/Immunology | NJ | 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 |
|---|---|---|---|---|
| J2357 | Injection, omalizumab, 5 mg | 2,190 | 11 | $0 |
| 95004 | Test for allergy using allergenic extract | 851 | 54 | $0 |
| J0517 | Injection, benralizumab, 1 mg | 780 | 12 | $0 |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 198 | 114 | $0 |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 151 | 96 | $0 |
Insurance plans in this area (ZIP 02241)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| ALLERGY/IMMUNOLOGY | NJ | 95004 | Injection of allergenic extracts into skin, accessed through the skin | 1017 | 47 |
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 | |
| 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 | |
| Allergy/Immunology, Pediatric Medicine | NJ |
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