Katherine Petersen, PA
NPI 1720705957 · Physician Assistant · Chicago, IL
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Katherine Petersen, PA is a Physician Assistant provider in Chicago, IL (NPI 1720705957).
Provider details
- NPI number
- 1720705957
- Entity type
- Individual
- Primary specialty
- Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PA
- Sex
- Female
- Sole proprietor
- No
- License
- 085-009537 (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 tenure25% of score
3 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
437 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 125 | $78 |
| Destruction of Precancer Skin Growth, 2-14 Growths17003 | 87 | $6 |
| Established Patient Office Or Other Outpatient Visit With Straightforward Medical Decision Making, If Using Time, 10 Minutes Or More99212 | 50 | $50 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 49 | $112 |
| Destruction of Precancer Skin Growth, 1 Growth17000 | 37 | $49 |
| Biopsy of Related Skin Growth, First Growth |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 11 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Triamcinolone Acetonide | 77 | 56 |
| Clobetasol Propionate | 36 | 22 |
| Ketoconazole | 30 | 17 |
| Doxycycline Hyclate | 23 | 17 |
| Betamethasone Dipropionate | 20 | 16 |
| Nystatin | 19 | 17 |
| Mupirocin | 18 | 17 |
| Hydrocortisone | 17 | 14 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$459 across 15 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
- 2022-10-27
- Last updated
- 2025-07-08
- Certified
- 2025-07-08
Frequently asked questions
- What is Katherine Petersen's NPI number?
- Katherine Petersen's National Provider Identifier (NPI) is 1720705957, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Katherine Petersen's specialty?
- Katherine Petersen is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Katherine Petersen located?
- Katherine Petersen's practice location on file with NPPES is 1 E Erie St Ste 530, Chicago, IL 60611-2792.
- What is Katherine Petersen's phone number?
- The practice phone number listed in the NPPES registry for Katherine Petersen is (773) 677-4300.
- Does Katherine Petersen accept Medicare?
- Katherine Petersen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Katherine Petersen's NPI active?
- Yes — Katherine Petersen's NPI (1720705957) is active in the NPPES registry as of the last update on 2025-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.