Julie Kowacz, MD
NPI 1235231309 · Internal Medicine Physician · Grand Haven, MI
Enrolled with Medicare as Practitioner - Pediatric Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Julie Kowacz, MD is a Internal Medicine Physician provider in Grand Haven, MI (NPI 1235231309).
Provider details
- NPI number
- 1235231309
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- 4301093783 (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
174 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Straightforward Medical Decision Making, If Using Time, 10 Minutes Or More99212 | 79 | $53 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 60 | $85 |
| New Patient Office Or Other Outpatient Visit With Straightforward Medical Decision Making, If Using Time, 15 Minutes Or More99202 | 18 | $68 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 17 | $110 |
Typical Medicare-allowed amounts for these services range $53–$110 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 7 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Cephalexin | 27 | 27 |
| Amoxicillin/Potassium Clavbrand: Amoxicillin-Clavulanate Potass | 22 | 22 |
| Prednisone | 18 | 18 |
| Doxycycline Hyclate | 16 | 16 |
| Mupirocin | 13 | 13 |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 12 | 12 |
| Diclofenac Sodium | 11 | 11 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-09-01
- Last updated
- 2018-11-01
Frequently asked questions
- What is Julie Kowacz's NPI number?
- Julie Kowacz's National Provider Identifier (NPI) is 1235231309, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Julie Kowacz's specialty?
- Julie Kowacz is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Julie Kowacz located?
- Julie Kowacz's practice location on file with NPPES is 15100 Whittaker Way, Grand Haven, MI 49417-8696.
- What is Julie Kowacz's phone number?
- The practice phone number listed in the NPPES registry for Julie Kowacz is (616) 935-6210.
- Does Julie Kowacz accept Medicare?
- Julie Kowacz is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Julie Kowacz's NPI active?
- Yes — Julie Kowacz's NPI (1235231309) is active in the NPPES registry as of the last update on 2018-11-01.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.