Zachary Nankee, D.O.
NPI 1538514229 · Family Medicine Physician · Chicago, IL
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Zachary Nankee, D.O. is a Family Medicine Physician provider in Chicago, IL (NPI 1538514229).
Provider details
- NPI number
- 1538514229
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- D.O.
- Sex
- Male
- Sole proprietor
- No
- License
- PTL1808 (CA)
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 tenure33% of score
10 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
3 documented practice locations
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
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 · 41 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 125 | 45 |
| Amlodipine Besylate | 90 | 39 |
| Losartan Potassium | 61 | 28 |
| Ibuprofen | 60 | 20 |
| Gabapentin | 59 | 21 |
| Nifedipinebrand: Nifedipine Er | 57 | 20 |
| Losartan/Hydrochlorothiazidebrand: Losartan-Hydrochlorothiazide |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$620 across 28 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
Additional practice locations (2)
- 2350 Buhne St Ste aEureka, CA 95501-3205Phone: (707) 443-4593
- 2700 Dolbeer StEureka, CA 95501-4736Phone: (707) 445-8121
Registry dates
- Enumerated
- 2016-04-29
- Last updated
- 2025-06-25
- Certified
- 2025-06-25
Frequently asked questions
- What is Zachary Nankee's NPI number?
- Zachary Nankee's National Provider Identifier (NPI) is 1538514229, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Zachary Nankee's specialty?
- Zachary Nankee is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Zachary Nankee located?
- Zachary Nankee's practice location on file with NPPES is 6217 S Kimbark Ave, Chicago, IL 60637-5264.
- What is Zachary Nankee's phone number?
- The practice phone number listed in the NPPES registry for Zachary Nankee is (312) 682-6110.
- Does Zachary Nankee accept Medicare?
- Zachary Nankee is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Zachary Nankee's NPI active?
- Yes — Zachary Nankee's NPI (1538514229) is active in the NPPES registry as of the last update on 2025-06-25.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.