Katherine Conner, M.D.
NPI 1720216120 · Allergy & Immunology Physician · Park Ridge, IL
Enrolled with Medicare as Practitioner - Allergy/Immunology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Katherine Conner, M.D. is a Allergy & Immunology Physician provider in Park Ridge, IL (NPI 1720216120).
Provider details
- NPI number
- 1720216120
- Entity type
- Individual
- Primary specialty
- Allergy & Immunology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- 036.129920 (IL)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
17 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
3,607 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
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 .
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) |
|---|---|---|
| Test for Allergy Using Allergenic Extract95004 | 1,398 | $4 |
| Professional Service for Preparation and Provision of 1 Or More Antigens95165 | 1,131 | $15 |
| Professional Service for Multiple Injections of Allergen95117 | 558 | $12 |
| Test for Allergy Using Allergenic Extract Injected Into Skin95024 | 172 | $8 |
| Professional Service for Single Injection of Allergen95115 | 163 | $10 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 109 | $91 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 13 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Montelukast Sodium | 72 | 22 |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 46 | 28 |
| Ipratropium Bromide | 30 | 15 |
| Prednisone | 30 | 20 |
| Azithromycin | 21 | 16 |
| Fluticasone Propionate | 16 | — |
| Epinephrine | 15 | 15 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,154 across 55 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
Registry dates
- Enumerated
- 2009-06-24
- Last updated
- 2025-07-23
- Certified
- 2025-07-23
Frequently asked questions
- What is Katherine Conner's NPI number?
- Katherine Conner's National Provider Identifier (NPI) is 1720216120, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Katherine Conner's specialty?
- Katherine Conner is listed in the NPPES registry with a primary specialty of Allergy & Immunology Physician (Allopathic & Osteopathic Physicians).
- Where is Katherine Conner located?
- Katherine Conner's practice location on file with NPPES is 2604 Dempster St Ste 204, Park Ridge, IL 60068-8426.
- What is Katherine Conner's phone number?
- The practice phone number listed in the NPPES registry for Katherine Conner is (847) 635-7300.
- Does Katherine Conner accept Medicare?
- Katherine Conner is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Katherine Conner's NPI active?
- Yes — Katherine Conner's NPI (1720216120) is active in the NPPES registry as of the last update on 2025-07-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.