Vasil Peev, M.D.
NPI 1427229087 · Nephrology Physician · Chicago, IL
Enrolled with Medicare as Practitioner - Nephrology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Vasil Peev, M.D. is a Nephrology Physician provider in Chicago, IL (NPI 1427229087).
Provider details
- NPI number
- 1427229087
- Entity type
- Individual
- Primary specialty
- Nephrology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 036-135152 (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
18 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
1,025 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 High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 297 | $149 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 243 | $122 |
| 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 | 224 | $17 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 167 | $81 |
| Initial Hospital Care With Straightforward Or Low-Level Medical Decision Making, If Using Time, at Least 55 Minutes99222 | 58 | $136 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 42 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Prednisone | 355 | 75 |
| Atorvastatin Calcium | 213 | 73 |
| Calcitriol | 200 | 42 |
| Lisinopril | 173 | 57 |
| Allopurinol | 155 | 40 |
| Famotidine | 153 | 48 |
| Nifedipinebrand: Nifedipine Er | 152 | 44 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$2,345 across 4 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
- 2008-03-21
- Last updated
- 2015-02-20
Frequently asked questions
- What is Vasil Peev's NPI number?
- Vasil Peev's National Provider Identifier (NPI) is 1427229087, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Vasil Peev's specialty?
- Vasil Peev is listed in the NPPES registry with a primary specialty of Nephrology Physician (Allopathic & Osteopathic Physicians).
- Where is Vasil Peev located?
- Vasil Peev's practice location on file with NPPES is 1725 W Harrison St, Chicago, IL 60612-3841.
- What is Vasil Peev's phone number?
- The practice phone number listed in the NPPES registry for Vasil Peev is (312) 942-4252.
- Does Vasil Peev accept Medicare?
- Vasil Peev is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Vasil Peev's NPI active?
- Yes — Vasil Peev's NPI (1427229087) is active in the NPPES registry as of the last update on 2015-02-20.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.