James Kowalski, FNP-C
NPI 1801418561 · Family Nurse Practitioner · Chicago, IL
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
James Kowalski, FNP-C is a Family Nurse Practitioner provider in Chicago, IL (NPI 1801418561).
Provider details
- NPI number
- 1801418561
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- FNP-C
- Sex
- Male
- Sole proprietor
- Yes
- License
- 209021284 (IL)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
6 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
1,059 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) |
|---|---|---|
| Residence Visit for Established Patient With Moderate Level of Medical Decision Making, Per Day, If Using Time, at Least 40 Minutes99349 | 660 | $102 |
| Residence Visit for Established Patient With Low Level of Medical Decision Making, Per Day, If Using Time, at Least 30 Minutes99348 | 154 | $61 |
| Residence Visit for New Patient With High Level of Medical Decision Making, Per Day, If Using Time, at Least 75 Minutes99345 | 113 | $159 |
| Physician Or Allowed Practitioner Certification for Medicare-Covered Home Health Services Under a Home Health Plan of Care (patient Not Present), Including Contacts With Home Health Agency and Review of Reports of Patient Status Required By Physicians andG0180 | 44 | $43 |
| Chronic Care Management Services for Two Or More Chronic Conditions, First 30 Minutes Provided Personally By Health Care Professional, Per Calendar Month99491 | 43 | $68 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 128 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Levothyroxine Sodium | 550 | 65 |
| Atorvastatin Calcium | 449 | 67 |
| Amlodipine Besylate | 375 | 43 |
| Sertraline Hcl | 338 | 38 |
| Furosemide | 294 | 59 |
| Losartan Potassium | 285 | 32 |
| Donepezil Hcl | 281 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2020-05-15
- Last updated
- 2020-05-15
- Certified
- 2020-05-15
Frequently asked questions
- What is James Kowalski's NPI number?
- James Kowalski's National Provider Identifier (NPI) is 1801418561, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is James Kowalski's specialty?
- James Kowalski is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is James Kowalski located?
- James Kowalski's practice location on file with NPPES is 445 E Illinois St Unit 5106, Chicago, IL 60611-5371.
- What is James Kowalski's phone number?
- The practice phone number listed in the NPPES registry for James Kowalski is (217) 619-6042.
- Does James Kowalski accept Medicare?
- James Kowalski is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is James Kowalski's NPI active?
- Yes — James Kowalski's NPI (1801418561) is active in the NPPES registry as of the last update on 2020-05-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.