Zachary Pellis, MD
NPI 1295424828 · Internal Medicine Physician · Chicago, IL
Enrolled with Medicare as Order and Referring Only - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Zachary Pellis, MD is a Internal Medicine Physician provider in Chicago, IL (NPI 1295424828).
Provider details
- NPI number
- 1295424828
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 125.082264 (IL)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
3 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 · 8 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Hydralazine Hcl | 27 | — |
| Atorvastatin Calcium | 19 | 11 |
| Furosemide | 17 | — |
| Metoprolol Succinate | 17 | — |
| Amlodipine Besylate | 14 | — |
| Lisinopril | 14 | — |
| Gabapentin | 12 | — |
Practice location
Mailing address
Registry dates
- Enumerated
- 2023-05-01
- Last updated
- 2023-06-16
- Certified
- 2023-06-16
Frequently asked questions
- What is Zachary Pellis's NPI number?
- Zachary Pellis's National Provider Identifier (NPI) is 1295424828, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Zachary Pellis's specialty?
- Zachary Pellis is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Zachary Pellis located?
- Zachary Pellis's practice location on file with NPPES is 5841 S Maryland Ave Ste Mc7082, Chicago, IL 60637-1465.
- What is Zachary Pellis's phone number?
- The practice phone number listed in the NPPES registry for Zachary Pellis is (773) 702-6840.
- Does Zachary Pellis accept Medicare?
- Zachary Pellis is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Zachary Pellis's NPI active?
- Yes — Zachary Pellis's NPI (1295424828) is active in the NPPES registry as of the last update on 2023-06-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.