Margaret Rancich, PA-C
NPI 1649831371 · Physician Assistant · Chicago, IL
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Margaret Rancich, PA-C is a Physician Assistant provider in Chicago, IL (NPI 1649831371).
Provider details
- NPI number
- 1649831371
- Entity type
- Individual
- Primary specialty
- Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PA-C
- Sex
- Female
- Sole proprietor
- No
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
- Physician Assistant363A00000X
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
6 yrs in NPPES registry
- Profile completeness28% of score
83% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
289 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 | 214 | $115 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 38 | $164 |
| Telephone Medical Discussion With Physician, 11-20 Minutes99442 | 25 | $81 |
| Telephone Medical Discussion With Physician, 5-10 Minutes99441 | 12 | $51 |
Typical Medicare-allowed amounts for these services range $51–$164 (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 · 12 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 42 | 21 |
| Nirmatrelvir/Ritonavirbrand: Paxlovid | 30 | 30 |
| Amoxicillin/Potassium Clavbrand: Amoxicillin-Clavulanate Potass | 28 | 26 |
| Fluticasone Propionate | 24 | 22 |
| Azithromycin | 19 | 19 |
| Losartan Potassium | 17 | 11 |
| Omeprazole | 14 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2019-06-24
- Last updated
- 2022-09-14
- Certified
- 2022-09-14
Frequently asked questions
- What is Margaret Rancich's NPI number?
- Margaret Rancich's National Provider Identifier (NPI) is 1649831371, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Margaret Rancich's specialty?
- Margaret Rancich is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Margaret Rancich located?
- Margaret Rancich's practice location on file with NPPES is 259 E Erie St Ste 2350, Chicago, IL 60611-3370.
- What is Margaret Rancich's phone number?
- The practice phone number listed in the NPPES registry for Margaret Rancich is (312) 926-6000.
- Does Margaret Rancich accept Medicare?
- Margaret Rancich is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Margaret Rancich's NPI active?
- Yes — Margaret Rancich's NPI (1649831371) is active in the NPPES registry as of the last update on 2022-09-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.