DR. NIHAL ESSA ABDULLA (MD) – Hematology & Oncology Physician, NPI 1750585345
Hematology & Oncology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
21,511 INTERNAL MEDICINE in CA
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Provider Addresses for DR. NIHAL ESSA ABDULLA (MD)
Katella Avenue, Los Alamitos, Orange County, California, 90702, United States
LOS ALAMITOS, CA 90720
Phone: (562) 735-0602
Fax: (562) 490-8590
Type: Location
3822 KATELLA AVE STE 200
LOS ALAMITOS, CA 907203302
Phone: (562) 735-0602
Fax: (562) 490-8590
Type: Mailing
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 529 Open Payments records for all available years, with a total value of $17,801.
Total Amount is formed as General ($17,801) + Research ($0) + Ownership ($0) = $17,801.
Last reported payment date: 2024-12-20 • Largest payer in this snapshot: AstraZeneca Pharmaceuticals LP ($4,048).
Total Amount
$17,801
General + Research + Ownership
Payments
529
Total payment records
General Amount
$17,801
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 |
|---|---|
| AstraZeneca Pharmaceuticals LP | $4,048 |
| BeiGene USA, Inc. | $1,981 |
| Merck Sharp & Dohme LLC | $738 |
| Novartis Pharmaceuticals Corporation | $558 |
| PFIZER INC. | $379 |
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: 2016-03-16
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 |
|---|---|---|---|---|
| I20081006000685 | I | Hematology/Oncology | TX | TBD |
| I20160316002312 | I | Hematology/Oncology | CA | 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 |
|---|---|---|---|---|
| J1439 | Injection, ferric carboxymaltose, 1 mg | 27,750 | 13 | $0 |
| J0897 | Injection, denosumab, 1 mg | 3,960 | 24 | $0 |
| J1100 | Injection, dexamethasone sodium phosphate, 1 mg | 810 | 15 | $0 |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 343 | 141 | $0 |
| 99231 | Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes | 252 | 56 | $0 |
Insurance plans in this area (ZIP 90720)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| H E M A T O L O G Y/ O N C O L O G Y | CA | |
| H E M A T O L O G Y/ O N C O L O G Y | CA | |
| H E M A T O L O G Y/ O N C O L O G Y | CA | |
| H E M A T O L O G Y/ O N C O L O G Y | CA | |
| Hematology/Oncology, Internal Medicine | CA | |
| Nurse Practitioner | CA | |
| Hematology/Oncology, Internal Medicine | CA | |
| H E M A T O L O G Y/ O N C O L O G Y | CA | |
| Medical Oncology, Hematology/Oncology | CA | |
| Hematology/Oncology, Internal Medicine | CA |
Reviews
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