Mariam Nassif, M.D.
NPI 1326043209 · Cardiovascular Disease Physician · Ogden, UT
Enrolled with Medicare as Practitioner - Cardiovascular Disease (cardiology) · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mariam Nassif, M.D. is a Cardiovascular Disease Physician provider in Ogden, UT (NPI 1326043209).
Provider details
- NPI number
- 1326043209
- Entity type
- Individual
- Primary specialty
- Cardiovascular Disease PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- 6193751-1205 (UT)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
21 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
1,421 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 315 | $121 |
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report Only93010 | 262 | $8 |
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report Only93010 | 203 | $8 |
| Ultrasound of Heart With Color-Depicted Blood Flow, Rate, Direction and Valve Function93306 | 101 | $65 |
| Exercise Or Drug-Induced Heart Stress Test With Electrocardiogram (ecg) With Review By Physician93018 | 94 | $13 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 31 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Metoprolol Succinate | 116 | 40 |
| Amlodipine Besylate | 105 | 35 |
| Atorvastatin Calcium | 105 | 28 |
| Losartan Potassium | 98 | 39 |
| Carvedilol | 97 | 30 |
| Lisinopril | 93 | 34 |
| Rosuvastatin Calcium | 87 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$49 across 1 record (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
- 2005-06-16
- Last updated
- 2014-08-13
Frequently asked questions
- What is Mariam Nassif's NPI number?
- Mariam Nassif's National Provider Identifier (NPI) is 1326043209, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mariam Nassif's specialty?
- Mariam Nassif is listed in the NPPES registry with a primary specialty of Cardiovascular Disease Physician (Allopathic & Osteopathic Physicians).
- Where is Mariam Nassif located?
- Mariam Nassif's practice location on file with NPPES is 4403 Harrison Blvd, Ogden, UT 84403-3271.
- What is Mariam Nassif's phone number?
- The practice phone number listed in the NPPES registry for Mariam Nassif is (801) 387-2650.
- Does Mariam Nassif accept Medicare?
- Mariam Nassif is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mariam Nassif's NPI active?
- Yes — Mariam Nassif's NPI (1326043209) is active in the NPPES registry as of the last update on 2014-08-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.