Alexander Asser, M.D.
NPI 1861656670 · Clinical Cardiac Electrophysiology Physician · Rockville, MD
Enrolled with Medicare as Practitioner - Cardiac Electrophysiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Alexander Asser, M.D. is a Clinical Cardiac Electrophysiology Physician provider in Rockville, MD (NPI 1861656670).
Provider details
- NPI number
- 1861656670
- Entity type
- Individual
- Primary specialty
- Clinical Cardiac Electrophysiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- D70996 (MD)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
18 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
9,443 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) |
|---|---|---|
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report93000 | 1,561 | $15 |
| Evaluation of Single, Dual, Multiple Lead Or Leadless Pacemaker System Or Implantable Defibrillator System, Remote Up to 90 Days93296 | 1,280 | $25 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 1,278 | $140 |
| Evaluation of Implantable Heart and Blood Vessel Monitoring System, Remote Up to 30 Days93297 | 1,093 | $67 |
| Evaluation of Single, Dual, Multiple Lead Or Leadless Pacemaker System, Remote Up to 90 Days93294 | 921 | $31 |
| Programming of Dual Lead Pacemaker System |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 50 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Metoprolol Succinate | 728 | 226 |
| Apixabanbrand: Eliquis | 650 | 184 |
| Atorvastatin Calcium | 363 | 112 |
| Losartan Potassium | 283 | 83 |
| Rivaroxabanbrand: Xarelto | 279 | 78 |
| Furosemide | 204 | 71 |
| Carvedilol |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,265 across 57 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
- 2008-07-11
- Last updated
- 2010-08-06
Frequently asked questions
- What is Alexander Asser's NPI number?
- Alexander Asser's National Provider Identifier (NPI) is 1861656670, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Alexander Asser's specialty?
- Alexander Asser is listed in the NPPES registry with a primary specialty of Clinical Cardiac Electrophysiology Physician (Allopathic & Osteopathic Physicians).
- Where is Alexander Asser located?
- Alexander Asser's practice location on file with NPPES is 15225 Shady Grove Rd, Rockville, MD 20850-3254.
- What is Alexander Asser's phone number?
- The practice phone number listed in the NPPES registry for Alexander Asser is (301) 670-3000.
- Does Alexander Asser accept Medicare?
- Alexander Asser is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Alexander Asser's NPI active?
- Yes — Alexander Asser's NPI (1861656670) is active in the NPPES registry as of the last update on 2010-08-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.