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GAUTHAM ANIL OROSKAR
NPI 1891291886
Hospitalist in Evanston, IL

Active since March 30, 2018PECOS EnrolledAccepts Medicare Assignment
2650 RIDGE AVE, EVANSTON, IL 60201(847) 570-2000 Get Directions Write a Review

NPPES record last updated: July 19, 2022. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Jul 19, 2022, May 18, 2021, Mar 30, 2021 and 1 more (4 updates tracked since 2018).

About Gautham Anil Oroskar NPPES

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

GAUTHAM ANIL OROSKAR (NPI 1891291886) is an individual hospitalist provider in Evanston, Illinois, licensed in Illinois (036154163) and active in the NPI registry since March 2018. He is enrolled in Medicare PECOS, is affiliated with Northshore University Healthsystem - Evanston Hospital, and maintains 2 additional practice locations.

NPPES Registry Identity

NPI1891291886
Entity TypeIndividualMale
Primary Taxonomy208M00000X
Provider Legal NameGAUTHAM ANIL OROSKAR
Location Address2650 RIDGE AVEEvanston, IL 60201-1700
Mailing Address1775 Ballard RdPark Ridge, IL 60068-1005 · (847) 318-9340
Phone(847) 570-2000
Sole ProprietorNo
Medical School CMSOtherGraduated 2017
Enumeration DateMarch 30, 2018
Last NPPES UpdateJuly 19, 20224 updates tracked since enumeration
NPPES CertifiedJuly 19, 2022
✔ NPI 1891291886 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyHospitalistAllopathic & Osteopathic Physicians
Taxonomy Code208M00000X
License✔ Licensed in IL · 036154163
Definition
Hospitalists are physicians whose primary professional focus is the general medical care of hospitalized patients. Their activities include patient care, teaching, research, and leadership related to Hospital Medicine. The term 'hospitalist' refers to physicians whose practice emphasizes providing care for hospitalized patients.
Also ListedInternal MedicineTaxonomy 207R00000X · License 036154163 (IL)
Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X
2650 RIDGE AVE, Evanston, IL 60201
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Secondary Practice Locations 2

Location 11775 Ballard RdPark Ridge, IL 60068-1005 · Phone (847) 318-9340
Location 22160 S 1st AveMaywood, IL 60153-3328 · Phone (708) 216-9000

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Gautham Anil Oroskar 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 ID143629949
PECOS Enrollment IDI20210527002351
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.

Medicare Billing Reassignments

4

Medicare enrollment records show Gautham Oroskar reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Endeavor Health Medical Group
Same address
Anesthesiology
2650 RIDGE AVE, ANESTHESIOLOGY ROOM 3905
Evanston, IL 60201
  • Reassigned Medicare billing, Illinois enrollment
  • 4,841 clinicians in this Medicare group
NPI 1265695944 (847) 570-2760
Inpatient Consultants Of Illinois, P.C.
21 mi
Hospitalist
15 SALT CREEK LN, SUITE 111
Hinsdale, IL 60521
  • Reassigned Medicare billing, Illinois enrollment
  • 108 clinicians in this Medicare group
NPI 1548442569 (630) 371-0133
Rockford Hospitalist Group, LLC
73 mi
Hospitalist
1401 E STATE ST
Rockford, IL 61104
  • Reassigned Medicare billing, Illinois enrollment
  • 69 clinicians in this Medicare group
NPI 1750088852 (779) 696-4400
Sound Physicians Of Illinois, LLC
271 mi
Hospitalist
12303 DE PAUL DR
Bridgeton, MO 63044
  • Reassigned Medicare billing, Illinois enrollment
  • 419 clinicians in this Medicare group
NPI 1043598865 (314) 344-6000

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 6

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.

Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 99222
Initial hospital inpatient care is a service where a healthcare provider spends about 50 minutes per day overseeing your care while you're admitted in the hospital. This includes reviewing your health status, planning your treatment, and ensuring your safety and comfort.
309 services304 patients
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.
37 services21 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.
27 services27 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.
25 services18 patients
Hospital discharge day management, more than 30 minutes 99239
Hospital discharge day management over 30 minutes involves a detailed process to ensure a smooth transition from hospital to home. It includes final examinations, discussion of your hospital stay, post-discharge instructions, and coordinating follow-up care.
16 services16 patients
Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215
This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.
11 services11 patients

Hospital Affiliations CMS Care Compare 4

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

Northshore University Healthsystem - Evanston Hospital

Acute Care Hospitals · Evanston, IL
5/5 CMS rating
OwnershipVoluntary non-profit - Other
CMS Certification Number140010
Location2650 Ridge AveEvanston, IL 60201 · Cook County
Emergency services Birthing friendly

Franciscan Health Olympia & Chicago Heights

Acute Care Hospitals · Olympia Fields, IL
2/5 CMS rating
OwnershipVoluntary non-profit - Church
CMS Certification Number140172
Location20201 S Crawford AvenueOlympia Fields, IL 60461 · Cook County
Emergency services Birthing friendly

Uw Health

Acute Care Hospitals · Rockford, IL
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number140228
Location1401 East State StreetRockford, IL 61104 · Winnebago County
Emergency services Birthing friendly

Saint Anthony Medical Center

Acute Care Hospitals · Rockford, IL
2/5 CMS rating
OwnershipVoluntary non-profit - Church
CMS Certification Number140233
Location5666 East State StreetRockford, IL 61108 · Winnebago County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 60201 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
$138.86 typical visit price
range $60.08 – $183.39
Typical copayment $34.71 (range $15.02 – $45.84)
Most-billed visit code 99204
Established Patient
$105.70 typical visit price
range $18.97 – $148.12
Typical copayment $26.42 (range $4.74 – $37.03)
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 20

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

DR. THOMAS LEE CIBULL M.D.
Pathology (Anatomic Pathology & Clinical Pathology)
2650 RIDGE AVE, EVANSTON HOSPITAL
EVANSTON, IL 60201
Cook County (847) 570-2040
LAUREN ANDERSON MD
Hospitalist
2650 RIDGE AVE
EVANSTON, IL 60201
Cook County (847) 570-1027
DR. DANIEL K. WEST MD
Radiology (Diagnostic Radiology)
2650 RIDGE AVE, DEPARTMENT OF RADIOLOGY, G507
EVANSTON, IL 60201
Cook County (847) 570-2475
JOEL BERNSTEIN M.D.
Radiology (Diagnostic Radiology)
2650 RIDGE AVE, EVANSTON HOSPITAL
EVANSTON, IL 60201
Cook County (847) 570-1206
MATTHEW R. SHERWOOD MD
Internal Medicine
2650 RIDGE AVE, DIVISION OF INTERNAL MEDICINE RM 4324
EVANSTON, IL 60201
Cook County (847) 570-1010
MICHAEL T. GILLAM M.D.
Emergency Medicine
2650 RIDGE AVE, EMERGENCY MEDICINE RM G909
EVANSTON, IL 60201
Cook County (847) 570-2114
MARLENE ANGELICO CNP
Nurse Practitioner (Acute Care)
2650 RIDGE AVE, EMERGENCY MEDICINE, RM G903C
EVANSTON, IL 60201
Cook County (847) 570-1355
MINA KEROLOS MD
Hospitalist
2650 RIDGE AVE
EVANSTON, IL 60201
Cook County (847) 570-1010

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 Gautham Oroskar's NPI number?

The NPI number for Gautham Oroskar is 1891291886. It was assigned to this individual provider in the NPPES registry on March 30, 2018.

Where is Gautham Oroskar located?

Gautham Oroskar practices at 2650 Ridge Ave, Evanston, IL 60201. The listed phone number is (847) 570-2000.

What is Gautham Oroskar's specialty?

The primary specialty registered for this NPI is Hospitalist with taxonomy code 208M00000X.

Is Gautham Oroskar enrolled in Medicare?

Yes. Gautham Oroskar 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.

Which organizations bill Medicare for Gautham Oroskar's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Gautham Oroskar reassigns Medicare benefits to 4 organizations: Endeavor Health Medical Group (Evanston, IL), Inpatient Consultants Of Illinois, P.C. (Hinsdale, IL), Rockford Hospitalist Group, LLC (Rockford, IL) and Sound Physicians Of Illinois, LLC (Bridgeton, MO). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Gautham Oroskar's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

Is Gautham Oroskar affiliated with any hospitals?

According to CMS data, Gautham Oroskar is affiliated with Northshore University Healthsystem - Evanston Hospital, Franciscan Health Olympia & Chicago Heights, Uw Health and Saint Anthony Medical Center.

When was this NPI record last updated?

The NPPES record for Gautham Oroskar was last updated on July 19, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 years 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.