Constance Kass
NPI 1639842933 · Medical Physician Assistant · Evergreen Park, IL
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Constance Kass is a Medical Physician Assistant provider in Evergreen Park, IL (NPI 1639842933).
Provider details
- NPI number
- 1639842933
- Entity type
- Individual
- Primary specialty
- Medical Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Sex
- Female
- Sole proprietor
- Yes
- License
- 085008654 (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
4 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 · 28 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 61 | 27 |
| Azithromycin | 54 | 53 |
| Losartan Potassium | 42 | — |
| Rosuvastatin Calcium | 34 | 11 |
| Omeprazole | 29 | — |
| Amoxicillin/Potassium Clavbrand: Amoxicillin-Clavulanate Potass | 26 | 25 |
| Amlodipine Besylate |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$2,368 across 110 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)
- 9760 S Kedzie AveEvergreen Park, IL 60805-3109Phone: (708) 423-8150Fax: (708) 423-8152
- 6264 Edgebrook Ln ELa Grange, IL 60525-6994Phone: (708) 522-9251
Registry dates
- Enumerated
- 2021-08-01
- Last updated
- 2023-09-16
- Certified
- 2023-09-16
Frequently asked questions
- What is Constance Kass's NPI number?
- Constance Kass's National Provider Identifier (NPI) is 1639842933, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Constance Kass's specialty?
- Constance Kass is listed in the NPPES registry with a primary specialty of Medical Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Constance Kass located?
- Constance Kass's practice location on file with NPPES is 9760 S Kedzie Ave, Evergreen Park, IL 60805-3109.
- What is Constance Kass's phone number?
- The practice phone number listed in the NPPES registry for Constance Kass is (708) 423-8150.
- Does Constance Kass accept Medicare?
- Constance Kass is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Constance Kass's NPI active?
- Yes — Constance Kass's NPI (1639842933) is active in the NPPES registry as of the last update on 2023-09-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.