Andrew Marz, DO
NPI 1548640220 · Student in an Organized Health Care Education/Training Program · Hinsdale, IL
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Andrew Marz, DO is a Student in an Organized Health Care Education/Training Program provider in Hinsdale, IL (NPI 1548640220).
Provider details
- NPI number
- 1548640220
- Entity type
- Individual
- Primary specialty
- Student in an Organized Health Care Education/Training ProgramStudent, Health Care
- Credential
- DO
- Sex
- Male
- Sole proprietor
- No
- License
- 125067301 (IL)
Specialties & taxonomies
- Student in an Organized Health Care Education/Training ProgramPrimary390200000XLicense 125067301 (IL)
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
11 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
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 prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 99 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 570 | 198 |
| Losartan Potassium | 268 | 99 |
| Amlodipine Besylate | 231 | 91 |
| Levothyroxine Sodium | 211 | 72 |
| Lisinopril | 181 | 63 |
| Tamsulosin Hcl | 156 | 56 |
| Metoprolol Tartrate |
Practice location
Mailing address
Registry dates
- Enumerated
- 2015-06-08
- Last updated
- 2021-12-17
Frequently asked questions
- What is Andrew Marz's NPI number?
- Andrew Marz's National Provider Identifier (NPI) is 1548640220, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Andrew Marz's specialty?
- Andrew Marz is listed in the NPPES registry with a primary specialty of Student in an Organized Health Care Education/Training Program (Student, Health Care).
- Where is Andrew Marz located?
- Andrew Marz's practice location on file with NPPES is 135 N Oak St, Hinsdale, IL 60521-3860.
- What is Andrew Marz's phone number?
- The practice phone number listed in the NPPES registry for Andrew Marz is (630) 856-8900.
- Does Andrew Marz accept Medicare?
- Andrew Marz is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Andrew Marz's NPI active?
- Yes — Andrew Marz's NPI (1548640220) is active in the NPPES registry as of the last update on 2021-12-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.