Zachary Giesen, DO
NPI 1083077408 · Cardiovascular Disease Physician · Medford, OR
Enrolled with Medicare as Practitioner - Cardiovascular Disease (cardiology) · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Zachary Giesen, DO is a Cardiovascular Disease Physician provider in Medford, OR (NPI 1083077408).
Provider details
- NPI number
- 1083077408
- Entity type
- Individual
- Primary specialty
- Cardiovascular Disease PhysicianAllopathic & Osteopathic Physicians
- Credential
- DO
- Sex
- Male
- Sole proprietor
- No
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
10 yrs in NPPES registry
- Profile completeness28% of score
83% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
2,566 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) |
|---|---|---|
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report Only93010 | 522 | $8 |
| Ultrasound of Heart With Color-Depicted Blood Flow, Rate, Direction and Valve Function93306 | 459 | $69 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 312 | $16 |
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report93000 | 241 | $14 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 223 |
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 | 327 | 116 |
| Apixabanbrand: Eliquis | 180 | 59 |
| Losartan Potassium | 129 | 50 |
| Atorvastatin Calcium | 122 | 51 |
| Furosemide | 101 | 44 |
| Spironolactone | 90 | 34 |
| Carvedilol | 71 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2016-04-02
- Last updated
- 2022-07-29
- Certified
- 2022-07-29
Frequently asked questions
- What is Zachary Giesen's NPI number?
- Zachary Giesen's National Provider Identifier (NPI) is 1083077408, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Zachary Giesen's specialty?
- Zachary Giesen is listed in the NPPES registry with a primary specialty of Cardiovascular Disease Physician (Allopathic & Osteopathic Physicians).
- Where is Zachary Giesen located?
- Zachary Giesen's practice location on file with NPPES is 520 Medical Center Dr Ste 200, Medford, OR 97504-4314.
- What is Zachary Giesen's phone number?
- The practice phone number listed in the NPPES registry for Zachary Giesen is (541) 930-7222.
- Does Zachary Giesen accept Medicare?
- Zachary Giesen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Zachary Giesen's NPI active?
- Yes — Zachary Giesen's NPI (1083077408) is active in the NPPES registry as of the last update on 2022-07-29.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.