DR. NASSER NASSERI-ASL (MD) – Specialist, NPI 1437119047
Specialist
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
5,262 INTERNAL MEDICINE in MD
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Provider Addresses for DR. NASSER NASSERI-ASL (MD)
700, Geipe Road, Catonsville Heights, Catonsville, Baltimore County, Maryland, 21228, United States
SUITE 266
CATONSVILLE, MD 212284147
Phone: (410) 744-0661
Fax: (410) 744-8036
Type: Mailing
Geipe Road, Catonsville Heights, Catonsville, Baltimore County, Maryland, 21228, United States
CATONSVILLE, MD 212284176
Phone: (410) 744-0661
Fax: (410) 744-8036
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 128 Open Payments records for all available years, with a total value of $43,173.
Total Amount is formed as General ($43,173) + Research ($0) + Ownership ($0) = $43,173.
Last reported payment date: 2024-12-13 • Largest payer in this snapshot: Amgen Inc. ($21,357).
Total Amount
$43,173
General + Research + Ownership
Payments
128
Total payment records
General Amount
$43,173
General payments
Research Amount
$0
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 |
|---|---|
| Amgen Inc. | $21,357 |
| Horizon Therapeutics plc | $20,252 |
| ABBVIE INC. | $397 |
| GlaxoSmithKline, LLC. | $315 |
| PFIZER INC. | $139 |
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: 2004-07-29
PECOS data refreshed: 2026-06-15
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 |
|---|---|---|---|---|
| I20040729000115 | I | Rheumatology | MD | 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 |
|---|---|---|---|---|
| J1602 | Injection, golimumab, 1 mg, for intravenous use | 26,340 | 48 | $0 |
| J0129 | Injection, abatacept, 10 mg (code may be used for medicare when drug administered under the direct supervision of a physician, not for use when drug is self administered) | 14,225 | 36 | $0 |
| J0897 | Injection, denosumab, 1 mg | 3,660 | 47 | $0 |
| J1745 | Injection, infliximab, excludes biosimilar, 10 mg | 1,960 | 12 | $0 |
| 36415 | Insertion of needle into vein for collection of blood sample | 1,065 | 515 | $0 |
Insurance plans in this area (ZIP 21228)
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Provider's Procedures
Group practice members
| Name | Specialty | State |
|---|---|---|
| Rheumatology, Internal Medicine | MD | |
| Nurse Practitioner | MD | |
| R H E U M A T O L O G Y | MD | |
| Nurse Practitioner | MD | |
| - | MD | |
| Nurse Practitioner | MD | |
| Geriatric Medicine, Internal Medicine, Rheumatology | MD | |
| Rheumatology, Internal Medicine | MD |
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