Mark Blum, MD
NPI 1134216526 · Interventional Cardiology Physician · Morristown, NJ
Enrolled with Medicare as Practitioner - Cardiovascular Disease (cardiology) · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mark Blum, MD is a Interventional Cardiology Physician provider in Morristown, NJ (NPI 1134216526).
Provider details
- NPI number
- 1134216526
- Entity type
- Individual
- Primary specialty
- Interventional Cardiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 25MA04766300 (NJ)
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
19 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
5,065 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 Report Only93010 | 1,519 | $9 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 1,463 | $140 |
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report93000 | 1,308 | $16 |
| Ultrasound of Heart With Color-Depicted Blood Flow, Rate, Direction and Valve Function93306 | 245 | $71 |
| Ultrasound of Both Sides of Head and Neck Blood Flow93880 | 123 | $40 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 59 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Metoprolol Succinate | 678 | 248 |
| Atorvastatin Calcium | 661 | 224 |
| Rosuvastatin Calcium | 636 | 235 |
| Apixabanbrand: Eliquis | 447 | 135 |
| Amlodipine Besylate | 423 | 160 |
| Valsartan | 392 | 142 |
| Ezetimibe | 360 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,981 across 109 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
- 2006-10-06
- Last updated
- 2016-02-03
Frequently asked questions
- What is Mark Blum's NPI number?
- Mark Blum's National Provider Identifier (NPI) is 1134216526, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Blum's specialty?
- Mark Blum is listed in the NPPES registry with a primary specialty of Interventional Cardiology Physician (Allopathic & Osteopathic Physicians).
- Where is Mark Blum located?
- Mark Blum's practice location on file with NPPES is 95 Madison Ave, Morristown, NJ 07960-6092.
- What is Mark Blum's phone number?
- The practice phone number listed in the NPPES registry for Mark Blum is (973) 889-9001.
- Does Mark Blum accept Medicare?
- Mark Blum is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mark Blum's NPI active?
- Yes — Mark Blum's NPI (1134216526) is active in the NPPES registry as of the last update on 2016-02-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.