Catherine Plonka, MD
NPI 1376551960 · Family Medicine Physician · Chicago, IL
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Catherine Plonka, MD is a Family Medicine Physician provider in Chicago, IL (NPI 1376551960).
Provider details
- NPI number
- 1376551960
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- 036094032 (IL)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
19 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
137 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 56 | $123 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 35 | $9 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 27 | $90 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 19 | $133 |
Typical Medicare-allowed amounts for these services range $9–$133 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 33 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Levothyroxine Sodium | 58 | 15 |
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 45 | — |
| Atorvastatin Calcium | 42 | — |
| Amlodipine Besylate | 35 | 12 |
| Hydrochlorothiazide | 31 | 11 |
| Omeprazole | 30 | — |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-08-03
- Last updated
- 2021-12-14
- Certified
- 2021-12-14
Frequently asked questions
- What is Catherine Plonka's NPI number?
- Catherine Plonka's National Provider Identifier (NPI) is 1376551960, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Catherine Plonka's specialty?
- Catherine Plonka is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Catherine Plonka located?
- Catherine Plonka's practice location on file with NPPES is 4600 N Ravenswood Ave, Chicago, IL 60640-4510.
- What is Catherine Plonka's phone number?
- The practice phone number listed in the NPPES registry for Catherine Plonka is (773) 561-7500.
- Does Catherine Plonka accept Medicare?
- Catherine Plonka is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Catherine Plonka's NPI active?
- Yes — Catherine Plonka's NPI (1376551960) is active in the NPPES registry as of the last update on 2021-12-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.