Katie Fesler, PA-C
NPI 1841919123 · Physician Assistant · Chicago, IL
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Katie Fesler, PA-C is a Physician Assistant provider in Chicago, IL (NPI 1841919123).
Provider details
- NPI number
- 1841919123
- Entity type
- Individual
- Primary specialty
- Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PA-C
- Sex
- Female
- Sole proprietor
- No
- License
- 085.009086 (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 tenure33% of score
3 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
1 documented practice location
- 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 · 10 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Bumetanide | 33 | 24 |
| Metoprolol Succinate | 31 | 22 |
| Spironolactone | 26 | 19 |
| Sacubitril/Valsartanbrand: Entresto | 21 | 12 |
| Furosemide | 21 | 12 |
| Apixabanbrand: Eliquis | 19 | — |
| Empagliflozinbrand: Jardiance |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$26 across 1 record (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
Registry dates
- Enumerated
- 2022-08-22
- Last updated
- 2022-12-14
- Certified
- 2022-12-14
Frequently asked questions
- What is Katie Fesler's NPI number?
- Katie Fesler's National Provider Identifier (NPI) is 1841919123, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Katie Fesler's specialty?
- Katie Fesler is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Katie Fesler located?
- Katie Fesler's practice location on file with NPPES is 675 N Saint Clair St Ste 19-100, Chicago, IL 60611-5969.
- What is Katie Fesler's phone number?
- The practice phone number listed in the NPPES registry for Katie Fesler is (312) 664-3278.
- Does Katie Fesler accept Medicare?
- Katie Fesler is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Katie Fesler's NPI active?
- Yes — Katie Fesler's NPI (1841919123) is active in the NPPES registry as of the last update on 2022-12-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.