DR. MARIA S. KHAN M.D.
NPI 1548476773
Internal Medicine - Nephrology in Libertyville, IL

Active since May 15, 2007PECOS EnrolledAccepts Medicare Assignment
1272 AMERICAN WAY, LIBERTYVILLE, IL 60048(847) 549-7222(866) 954-5804 Get Directions Write a Review

NPPES record last updated: November 22, 2024. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Nov 22, 2024, Jun 27, 2024, Dec 15, 2021 and 3 more (6 updates tracked since 2016).

About Dr. Maria S. Khan M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. MARIA S. KHAN M.D. (NPI 1548476773) is an individual nephrology provider in Libertyville, Illinois, licensed in Illinois (036121625) and active in the NPI registry since May 2007. She is enrolled in Medicare PECOS, is affiliated with Vista Medical Center East, and is a graduate of Other (2002).

NPPES Registry Identity

NPI1548476773
Entity TypeIndividualFemale
Primary Taxonomy207RN0300X
Provider Legal NameDR. MARIA S. KHANCredential: M.D.
Location Address1272 AMERICAN WAYLibertyville, IL 60048
Mailing Address210 S Desplaines StChicago, IL 60661-5500 · (312) 654-2721 · Fax (866) 954-5804
Fax(866) 954-5804
Sole ProprietorNo
Medical School CMSOtherGraduated 2002
Enumeration DateMay 15, 2007
Last NPPES UpdateNovember 22, 20246 updates tracked since enumeration
NPPES CertifiedNovember 22, 2024
NPI 1548476773 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyInternal Medicine · NephrologyAllopathic & Osteopathic Physicians
Taxonomy Code207RN0300X
License Licensed in IL · 036121625
Definition
An internist who treats disorders of the kidney, high blood pressure, fluid and mineral balance and dialysis of body wastes when the kidneys do not function. This specialist consults with surgeons about kidney transplantation.
1272 AMERICAN WAY, Libertyville, IL 60048

Other Identifiers 1

Medicaid036121625IL

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Dr. Maria S. Khan M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID2961552393
PECOS Enrollment IDI20090605000474
Eligible to Order & Refer Part B Labs & Imaging Durable Medical Equipment Home Health Agency Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 13

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232
Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.
1,123 services390 patients
Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
416 services218 patients
Dialysis services, per day, less than full month service (20 years or older) 90970
Dialysis is a treatment that replicates some functions of healthy kidneys when they're not working properly. It helps to remove waste, salt, and excess water from your body and maintain a safe level of certain chemicals in your blood. This service, for patients aged 20 or older, is provided on a daily basis for less than a full month.
283 services11 patients
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223
Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.
184 services171 patients
Dialysis services, 4 or more physician visits per month (20 years or older) 90960
Dialysis is a treatment that filters and purifies your blood using a machine. It helps keep your fluids and electrolytes in balance when the kidneys can't do their job. This service includes 4 or more visits per month with a physician to monitor your health and adjust your treatment as needed.
142 services23 patients
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233
Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.
80 services38 patients

Hospital Affiliations CMS Care Compare 5

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Vista Medical Center East

Acute Care Hospitals · Waukegan, IL
2/5 CMS rating
OwnershipProprietary
CMS Certification Number140084
Location1324 North Sheridan RoadWaukegan, IL 60085 · Lake County
Emergency services Birthing friendly

Northwestern Lake Forest Hospital

Acute Care Hospitals · Lake Forest, IL
5/5 CMS rating
OwnershipVoluntary non-profit - Other
CMS Certification Number140130
Location1000 N Westmoreland RoadLake Forest, IL 60045 · Lake County
Emergency services Birthing friendly

Advocate Illinois Masonic Medical Center

Acute Care Hospitals · Chicago, IL
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number140182
Location836 West Wellington AvenueChicago, IL 60657 · Cook County
Emergency services Birthing friendly

Advocate Condell Medical Center

Acute Care Hospitals · Libertyville, IL
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number140202
Location801 S Milwaukee AveLibertyville, IL 60048 · Lake County
Emergency services Birthing friendly

Northwestern Medicine Central Dupage Hospital

Acute Care Hospitals · Winfield, IL
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number140242
Location25 North Winfield RoadWinfield, IL 60190 · Du Page County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 60048 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$137.43 typical visit price
range $59.81 – $181.38
Typical copayment $34.35 (range $14.95 – $45.34)
Most-billed visit code 99204
Established Patient
$105.07 typical visit price
range $19.15 – $147.12
Typical copayment $26.26 (range $4.78 – $36.78)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 7

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Internal Medicine (Nephrology)
1272 AMERICAN WAY
LIBERTYVILLE, IL 60048
Nurse Practitioner (Family)
1272 AMERICAN WAY
LIBERTYVILLE, IL 60048
Internal Medicine (Nephrology)
1272 AMERICAN WAY
LIBERTYVILLE, IL 60048
Internal Medicine (Nephrology)
1272 AMERICAN WAY
LIBERTYVILLE, IL 60048
Nurse Practitioner (Gerontology)
1272 AMERICAN WAY
LIBERTYVILLE, IL 60048
Internal Medicine (Nephrology)
1272 AMERICAN WAY
LIBERTYVILLE, IL 60048
Internal Medicine (Nephrology)
1272 AMERICAN WAY
LIBERTYVILLE, IL 60048

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Maria Khan's NPI number?

The NPI number for Maria Khan is 1548476773. It was assigned to this individual provider in the NPPES registry on May 15, 2007.

Where is Maria Khan located?

Maria Khan practices at 1272 American Way, Libertyville, IL 60048. The listed phone number is (847) 549-7222.

What is Maria Khan's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Nephrology, with taxonomy code 207RN0300X.

Is Maria Khan enrolled in Medicare?

Yes. Maria Khan is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

What insurance does Maria Khan accept?

Health plans from Ambetter Health, Ambetter Health of Delaware and Ambetter from Home State Health list Maria Khan as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Maria Khan affiliated with any hospitals?

According to CMS data, Maria Khan is affiliated with Vista Medical Center East, Northwestern Lake Forest Hospital, Advocate Illinois Masonic Medical Center, Advocate Condell Medical Center and Northwestern Medicine Central Dupage Hospital.

When was this NPI record last updated?

The NPPES record for Maria Khan was last updated on November 22, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 20 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.