Maryanne Hartzell, MD
NPI 1346208964 · Cardiovascular Disease Physician · Norfolk, NE
Enrolled with Medicare as Practitioner - Cardiovascular Disease (cardiology) · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Maryanne Hartzell, MD is a Cardiovascular Disease Physician provider in Norfolk, NE (NPI 1346208964).
Provider details
- NPI number
- 1346208964
- Entity type
- Individual
- Primary specialty
- Cardiovascular Disease PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- 227669 (MA)
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 tenure28% of score
20 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
2,147 Medicare services, 2024 (ranked within specialty)
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 methodology.
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 | 563 | $118 |
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report93000 | 411 | $13 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 172 | $89 |
| Ultrasound of Heart With Color-Depicted Blood Flow, Rate, Direction and Valve Function93306 | 156 | $64 |
| Nuclear Medicine Studies of Heart Muscle at Rest and With Stress and Spect78452 | 150 | $70 |
| Exercise Or Drug-Induced Heart Stress Test With Electrocardiogram (ecg) With Supervision By Physician |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 55 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Rosuvastatin Calcium | 694 | 229 |
| Apixabanbrand: Eliquis | 607 | 112 |
| Losartan Potassium | 575 | 197 |
| Metoprolol Succinate | 553 | 144 |
| Amlodipine Besylate | 486 | 150 |
| Atorvastatin Calcium | 466 | 130 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-05-03
- Last updated
- 2011-08-21
Frequently asked questions
- What is Maryanne Hartzell's NPI number?
- Maryanne Hartzell's National Provider Identifier (NPI) is 1346208964, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Maryanne Hartzell's specialty?
- Maryanne Hartzell is listed in the NPPES registry with a primary specialty of Cardiovascular Disease Physician (Allopathic & Osteopathic Physicians).
- Where is Maryanne Hartzell located?
- Maryanne Hartzell's practice location on file with NPPES is 110 N 29th St, Norfolk, NE 68701-4424.
- What is Maryanne Hartzell's phone number?
- The practice phone number listed in the NPPES registry for Maryanne Hartzell is (402) 844-8284.
- Does Maryanne Hartzell accept Medicare?
- Maryanne Hartzell is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Maryanne Hartzell's NPI active?
- Yes — Maryanne Hartzell's NPI (1346208964) is active in the NPPES registry as of the last update on 2011-08-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.