Nasser Nasseri-Asl, MD
NPI 1437119047 · Specialist · Catonsville, MD
Enrolled with Medicare as Practitioner - Rheumatology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Nasser Nasseri-Asl, MD is a Specialist provider in Catonsville, MD (NPI 1437119047).
Provider details
- NPI number
- 1437119047
- Entity type
- Individual
- Primary specialty
- SpecialistOther Service Providers
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- D0060914 (MD)
Specialties & taxonomies
Other Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
20 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
17,398 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 1,511 | $5 |
| Blood Test, Comprehensive Group of Blood Chemicals80053 | 1,427 | $10 |
| Complete Blood Cell Count (red Cells, White Blood Cell, Platelets), Automated Test and Automated Differential White Blood Cell Count85025 | 1,409 | $8 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 1,358 | $132 |
| Measurement C-Reactive Protein for Detection of Infection Or Inflammation86140 | 1,287 | $5 |
| Red Blood Cell Sedimentation Rate, to Detect Inflammation, Automated85652 | 1,281 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 25 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Prednisone | 385 | 178 |
| Hydroxychloroquine Sulfate | 300 | 154 |
| Methotrexate Sodiumbrand: Methotrexate | 239 | 111 |
| Leflunomide | 121 | 65 |
| Allopurinol | 71 | 34 |
| Abatacept/Maltosebrand: Orencia | 66 | 11 |
| Methylprednisolone | 65 | 30 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$21,841 across 61 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-03-27
- Last updated
- 2024-01-31
- Certified
- 2024-01-31
Frequently asked questions
- What is Nasser Nasseri-Asl's NPI number?
- Nasser Nasseri-Asl's National Provider Identifier (NPI) is 1437119047, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Nasser Nasseri-Asl's specialty?
- Nasser Nasseri-Asl is listed in the NPPES registry with a primary specialty of Specialist (Other Service Providers).
- Where is Nasser Nasseri-Asl located?
- Nasser Nasseri-Asl's practice location on file with NPPES is 700 Geipe Rd Ste 200, Catonsville, MD 21228-4176.
- What is Nasser Nasseri-Asl's phone number?
- The practice phone number listed in the NPPES registry for Nasser Nasseri-Asl is (410) 744-0661.
- Does Nasser Nasseri-Asl accept Medicare?
- Nasser Nasseri-Asl is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Nasser Nasseri-Asl's NPI active?
- Yes — Nasser Nasseri-Asl's NPI (1437119047) is active in the NPPES registry as of the last update on 2024-01-31.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.