DR. ALLEN JAY BLAIVAS (DO) – Internal Medicine Physician, NPI 1104830397
Internal Medicine Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
18,056 INTERNAL MEDICINE in NY
Provider Addresses for DR. ALLEN JAY BLAIVAS (DO)
1000 10th Ave
New York, NY 100191147
Phone: (212) 523-4000
Type: Location
385 Tremont Ave # 561/111
East Orange, NJ 070181023
Phone: (973) 676-1000
Type: Location
1111 AMSTERDAM AVE
NEW YORK, NY 100251716
Phone: (212) 523-4000
Type: Location
44, Barry Place, Passaic, Passaic County, New Jersey, 07055, United States
PASSAIC, NJ 070553516
Phone:
Fax: (973) 395-7034
Type: Mailing
Tremont Avenue, East Orange, Essex County, New Jersey, 07018, United States
EAST ORANGE, NJ 070181023
Phone: (973) 676-1000
Type: Location
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: 2011-09-20
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 |
|---|---|---|---|---|
| I20110202000348 | I | Internal Medicine | NJ | TBD |
| I20110920000833 | I | Internal 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 |
|---|---|---|---|---|
| 99291 | Critical care, first 30-74 minutes | 54 | 54 | $0 |
Insurance plans in this area (ZIP 10019)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| - | NY | |
| - | NJ | |
| Geriatric Medicine, Internal Medicine | NJ | |
| Nurse Practitioner | NJ | |
| Physician Assistant | NJ | |
| Vascular Surgery | NY | |
| Physician Assistant | NJ | |
| Physician Assistant | NY | |
| Orthopedic Surgery | NJ | |
| General Surgery | NJ |
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