Anca Zegrean, M.D.
NPI 1508009416 · Nephrology Physician · Libertyville, IL
Enrolled with Medicare as Practitioner - Nephrology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Anca Zegrean, M.D. is a Nephrology Physician provider in Libertyville, IL (NPI 1508009416).
Provider details
- NPI number
- 1508009416
- Entity type
- Individual
- Primary specialty
- Nephrology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- Yes
- License
- 036125012 (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
2,553 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) |
|---|---|---|
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 1,053 | $76 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 473 | $16 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 344 | $78 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 186 | $166 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 167 | $104 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 27 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Furosemide | 157 | 56 |
| Dapagliflozin Propanediolbrand: Farxiga | 112 | 31 |
| Allopurinol | 95 | 31 |
| Lisinopril | 89 | 27 |
| Losartan Potassium | 83 | 27 |
| Torsemide | 75 | 25 |
| Amlodipine Besylate | 70 | 24 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$2,011 across 73 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
- 2009-04-08
- Last updated
- 2024-11-22
- Certified
- 2024-11-22
Frequently asked questions
- What is Anca Zegrean's NPI number?
- Anca Zegrean's National Provider Identifier (NPI) is 1508009416, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Anca Zegrean's specialty?
- Anca Zegrean is listed in the NPPES registry with a primary specialty of Nephrology Physician (Allopathic & Osteopathic Physicians).
- Where is Anca Zegrean located?
- Anca Zegrean's practice location on file with NPPES is 1272 American Way, Libertyville, IL 60048-3936.
- What is Anca Zegrean's phone number?
- The practice phone number listed in the NPPES registry for Anca Zegrean is (847) 549-7222.
- Does Anca Zegrean accept Medicare?
- Anca Zegrean is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Anca Zegrean's NPI active?
- Yes — Anca Zegrean's NPI (1508009416) is active in the NPPES registry as of the last update on 2024-11-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.