Maria Khan, M.D.
NPI 1548476773 · Nephrology Physician · Libertyville, IL
Enrolled with Medicare as Practitioner - Nephrology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Maria Khan, M.D. is a Nephrology Physician provider in Libertyville, IL (NPI 1548476773).
Provider details
- NPI number
- 1548476773
- Entity type
- Individual
- Primary specialty
- Nephrology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- 036121625 (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
19 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
3,018 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 | 1,123 | $74 |
| 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 | 471 | $15 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 416 | $110 |
| Dialysis Services, Per Day, Less Than Full Month Service (20 Years Or Older)90970 | 283 | $9 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 184 | $163 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 30 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Allopurinol | 123 | 48 |
| Furosemide | 101 | 44 |
| Carvedilol | 77 | 32 |
| Amlodipine Besylate | 68 | 28 |
| Losartan Potassium | 65 | 20 |
| Lisinopril | 54 | 20 |
| Calcitriol | 52 | 17 |
| Sodium Zirconium Cyclosilicate |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,080 across 39 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
- 2007-05-15
- Last updated
- 2024-11-22
- Certified
- 2024-11-22
Frequently asked questions
- What is Maria Khan's NPI number?
- Maria Khan's National Provider Identifier (NPI) is 1548476773, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Maria Khan's specialty?
- Maria Khan is listed in the NPPES registry with a primary specialty of Nephrology Physician (Allopathic & Osteopathic Physicians).
- Where is Maria Khan located?
- Maria Khan's practice location on file with NPPES is 1272 American Way, Libertyville, IL 60048.
- What is Maria Khan's phone number?
- The practice phone number listed in the NPPES registry for Maria Khan is (847) 549-7222.
- Does Maria Khan accept Medicare?
- Maria Khan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Maria Khan's NPI active?
- Yes — Maria Khan's NPI (1548476773) 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.