DR. STEPHEN M. ABO (D.O.) – Hematology & Oncology Physician, NPI 1891717708
Hematology & Oncology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
441 HEMATOLOGY/ONCOLOGY in NJ
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Provider Addresses for DR. STEPHEN M. ABO (D.O.)
713, Girard Avenue, Westfield, Union County, New Jersey, 07090, United States
WESTFIELD, NJ 07090
Phone: (973) 877-2829
Fax: (973) 877-2964
Type: Mailing
Saint Michael's Medical Center, 111, Central Avenue, The Ironbound, Newark, Essex County, New Jersey, 07102, United States
CANCER CENTER
NEWARK, NJ 07102
Phone: (973) 877-2829
Fax: (973) 877-2964
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 36 Open Payments records for all available years, with a total value of $1,701.
Total Amount is formed as General ($1,701) + Research ($0) + Ownership ($0) = $1,701.
Last reported payment date: 2024-12-20 • Largest payer in this snapshot: Novartis Pharmaceuticals Corporation ($1,131).
Total Amount
$1,701
General + Research + Ownership
Payments
36
Total payment records
General Amount
$1,701
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-20
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Novartis Pharmaceuticals Corporation | $1,131 |
| AstraZeneca Pharmaceuticals LP | $194 |
| Incyte Corporation | $100 |
| Janssen Biotech, Inc. | $100 |
| GENZYME CORPORATION | $78 |
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: 2007-04-20
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 |
|---|---|---|---|---|
| I20070420000358 | I | Hematology/Oncology | 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 |
|---|---|---|---|---|
| 99232 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 3,697 | 268 | $0 |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 704 | 246 | $0 |
| 99222 | Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 330 | 256 | $0 |
| 99236 | Initial hospital care with same-day admission and discharge with high level of medical decision making, per day, if using time, at least 85 minutes | 215 | 27 | $0 |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 138 | 81 | $0 |
Insurance plans in this area (ZIP 07090)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| - | MA | |
| Nurse Practitioner | NJ | |
| Nurse Practitioner | NJ | |
| Critical Care (Intensivists), Pulmonary Disease | NJ | |
| - | NJ | |
| General Surgery | NJ | |
| O B S T E T R I C S/ G Y N E C O L O G Y | NJ | |
| O B S T E T R I C S/ G Y N E C O L O G Y | NJ | |
| General Surgery | NY | |
| General Surgery | NJ |
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