Elizabeth Kozak, M.D.
NPI 1811076805 · Internal Medicine Physician · Grand Rapids, MI
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Elizabeth Kozak, M.D. is a Internal Medicine Physician provider in Grand Rapids, MI (NPI 1811076805).
Provider details
- NPI number
- 1811076805
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- EK062494 (MI)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
19 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
810 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) |
|---|---|---|
| Assessment of Emotional Or Behavioral Problems96127 | 243 | $4 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 159 | $180 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 116 | $88 |
| Annual Depression Screening, 5 to 15 MinutesG0444 | 95 | $19 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 68 | $127 |
| Hemoglobin A1c Level83036 | 47 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 107 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 1,058 | 320 |
| Levothyroxine Sodium | 505 | 145 |
| Lisinopril | 471 | 158 |
| Amlodipine Besylate | 359 | 120 |
| Hydrochlorothiazide | 343 | 105 |
| Losartan Potassium | 324 | 104 |
| Omeprazole |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-11-02
- Last updated
- 2026-03-18
- Certified
- 2026-03-18
Frequently asked questions
- What is Elizabeth Kozak's NPI number?
- Elizabeth Kozak's National Provider Identifier (NPI) is 1811076805, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Elizabeth Kozak's specialty?
- Elizabeth Kozak is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Elizabeth Kozak located?
- Elizabeth Kozak's practice location on file with NPPES is 3200 Eagle Park Dr Ne, Grand Rapids, MI 49525-7057.
- What is Elizabeth Kozak's phone number?
- The practice phone number listed in the NPPES registry for Elizabeth Kozak is (616) 285-9090.
- Does Elizabeth Kozak accept Medicare?
- Elizabeth Kozak is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Elizabeth Kozak's NPI active?
- Yes — Elizabeth Kozak's NPI (1811076805) is active in the NPPES registry as of the last update on 2026-03-18.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.