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SATHISH KUMAR CULLATH HARIKRISHNAN M.D.,
NPI 1861421869
Hospitalist in Streamwood, IL

Active since July 02, 2006PECOS EnrolledAccepts Medicare Assignment
921 KINGS CANYON DR, STREAMWOOD, IL 60107(312) 404-9818 Get Directions Write a Review

NPPES record last updated: August 5, 2026. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Aug 5, 2026, Nov 27, 2015 (2 updates tracked since 2015).

About Sathish Kumar Cullath Harikrishnan M.d., NPPES

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

SATHISH KUMAR CULLATH HARIKRISHNAN M.D., (NPI 1861421869) is an individual hospitalist provider in Streamwood, Illinois, licensed in Wisconsin (58348) and active in the NPI registry since July 2006. He is enrolled in Medicare PECOS, is affiliated with Rochelle Community Hospital, and maintains a secondary practice location in Elma.

NPPES Registry Identity

NPI1861421869
Entity TypeIndividualMale
Primary Taxonomy208M00000X
Provider Legal NameSATHISH KUMAR CULLATH HARIKRISHNANCredential: M.D.,
Location Address921 KINGS CANYON DRStreamwood, IL 60107-4510
Mailing Address921 Kings Canyon DrStreamwood, IL 60107-4510 · (312) 404-9818
Phone(312) 404-9818
Sole ProprietorNo
Medical School CMSOtherGraduated 2000
Enumeration DateJuly 2, 2006
Last NPPES UpdateAugust 5, 20262 updates tracked since enumeration
NPPES CertifiedAugust 5, 2026
✔ NPI 1861421869 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyHospitalistAllopathic & Osteopathic Physicians
Taxonomy Code208M00000X
Licenses✔ Licensed in WI · 58348✔ Licensed in IL · 336.081335
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 MD61296996 (WA), 87710 (OH)
921 KINGS CANYON DR, Streamwood, IL 60107
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Other Names 1

Other Name (5)Sathishkumar Harikrishnan Cullath M.d.,

Secondary Practice Location 1

Location 1600 E Main StElma, WA 98541-9560 · Phone (360) 346-2222

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Medica, Quartz.Insurance ›

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

Sathish Kumar Cullath Harikrishnan 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 ID1355348087
PECOS Enrollment IDI20090110000210, I20131008000973, I20221007001024, I20230308002457
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

19

Medicare enrollment records show Sathish Kumar Cullath Harikrishnan reassigns Medicare billing to 19 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Premier Health Consultants Inc
4.1 mi
Internal Medicine
2815 FORBS AVENUE SUITE 107
Hoffman Estates, IL 60192
  • Reassigned Medicare billing, Illinois and Wisconsin enrollments
  • 6 clinicians in this Medicare group
NPI 1205202009 (312) 404-9818
Inpatient Consultants Of Illinois, P.C.
20 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
Rochelle Community Hospital Association
44 mi
Family Medicine
900 N 2ND ST STE 200
Rochelle, IL 61068
  • Reassigned Medicare billing, Illinois enrollment
  • Also billed through NPI 1821053216 (Illinois)
  • 38 clinicians in this Medicare group
NPI 1568518322 (815) 562-3784
Mercy Health System Corporation
62 mi
Multi-Specialty
580 N WASHINGTON ST
Janesville, WI 53548
  • Reassigned Medicare billing, Wisconsin enrollment
  • 1,155 clinicians in this Medicare group
NPI 1598718603 (608) 741-7630
Ascension Medical Group-Southeast Wisconsin Inc
74 mi
Anesthesiology
2301 N LAKE DR
Milwaukee, WI 53211
  • Reassigned Medicare billing, Wisconsin enrollment
  • 1,343 clinicians in this Medicare group
NPI 1194473066 (414) 585-1000
Freeport Memorial Hospital
75 mi
General Acute Care Hospital
1045 W STEPHENSON ST
Freeport, IL 61032
  • Reassigned Medicare billing, Illinois enrollment
  • 478 clinicians in this Medicare group
NPI 1447228788 (815) 599-6000
Cgh Medical Center
78 mi
Family Medicine
101 E MILLER RD
Sterling, IL 61081
  • Reassigned Medicare billing, Illinois enrollment
  • 356 clinicians in this Medicare group
NPI 1548540636 (815) 625-4790
Watertown Physician Practices LLC
85 mi
Family Medicine
1507 DOCTORS CT
Watertown, WI 53094
  • Reassigned Medicare billing, Wisconsin enrollment
  • 215 clinicians in this Medicare group
NPI 1770964363 (920) 261-4111
Cogent Healthcare Of Illinois, LLC
220 mi
Internal Medicine
1005 BROADWAY ST
Quincy, IL 62301
  • Reassigned Medicare billing, Illinois enrollment
  • 81 clinicians in this Medicare group
NPI 1487897849 (615) 377-5652
Sound Physicians Of Illinois, LLC
254 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 9

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.
501 services154 patients
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.
117 services110 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.
59 services50 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.
35 services34 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.
32 services32 patients
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.
21 services20 patients

Hospital Affiliations CMS Care Compare 4

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

Rochelle Community Hospital

Critical Access Hospitals · Rochelle, IL
OwnershipVoluntary non-profit - Private
CMS Certification Number141312
Location900 N 2nd StRochelle, IL 61068 · Ogle County
Emergency services

Sanford Worthington Medical Center

Acute Care Hospitals · Worthington, MN
OwnershipVoluntary non-profit - Private
CMS Certification Number240022
Location1018 Sixth Avenue PO Box 997Worthington, MN 56187 · Nobles County
Emergency services Birthing friendly

Huggins Hospital

Critical Access Hospitals · Wolfeboro, NH
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number301312
Location240 South Main StreetWolfeboro, NH 03894 · Carroll County
Emergency services

Island Hospital

Acute Care Hospitals · Anacortes, WA
5/5 CMS rating
OwnershipGovernment - Hospital District or Authority
CMS Certification Number500007
Location1211 24th StreetAnacortes, WA 98221 · Skagit County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 60107 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.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

Reported Quality Measures

Care Plan
Percentage of patients aged 65 years and older who have an advance care plan or surrogate decision maker documented in the medical record that an advance care plan was discussed but the patient did not wish or was not able to name a surrogate decision maker…
93%121 patients4/55-star benchmark: 100%
Providers report different measures because they deliver different services; reporting more or less information is not a reflection of quality. Star ratings appear only where CMS assigned them.

Referred Medical Equipment & Supplies CMS DME claims 2

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Portable gaseous oxygen system, rental; includes portable container, regulator, flowmeter, humidifier, cannula or mask, and tubing E0431
DME-Oxygen and Supplies · category DC000N
4 suppliers78 claims78 services$18.51 avg. paid by Medicare
Oxygen concentrator, single delivery port, capable of delivering 85 percent or greater oxygen concentration at the prescribed flow rate E1390
DME-Oxygen and Supplies · category DC002N
4 suppliers100 claims100 services$104.64 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

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 Sathish Kumar Cullath Harikrishnan's NPI number?

The NPI number for Sathish Kumar Cullath Harikrishnan is 1861421869. It was assigned to this individual provider in the NPPES registry on July 2, 2006. The provider is also known as Sathishkumar Harikrishnan Cullath M.D.,.

Where is Sathish Kumar Cullath Harikrishnan located?

Sathish Kumar Cullath Harikrishnan practices at 921 Kings Canyon Dr, Streamwood, IL 60107. The listed phone number is (312) 404-9818.

What is Sathish Kumar Cullath Harikrishnan's specialty?

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

Is Sathish Kumar Cullath Harikrishnan enrolled in Medicare?

Yes. Sathish Kumar Cullath Harikrishnan 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 Sathish Kumar Cullath Harikrishnan's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Sathish Kumar Cullath Harikrishnan reassigns Medicare benefits to 19 organizations: Premier Health Consultants Inc (Hoffman Estates, IL), Inpatient Consultants Of Illinois, P.C. (Hinsdale, IL), Rochelle Community Hospital Association (Rochelle, IL), Mercy Health System Corporation (Janesville, WI), Ascension Medical Group-Southeast Wisconsin Inc (Milwaukee, WI) and 14 more organizations, listed in the Medicare section above. 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 Sathish Kumar Cullath Harikrishnan's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Sathish Kumar Cullath Harikrishnan accept?

Health plans from Medica and Quartz list Sathish Kumar Cullath Harikrishnan 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 Sathish Kumar Cullath Harikrishnan affiliated with any hospitals?

According to CMS data, Sathish Kumar Cullath Harikrishnan is affiliated with Rochelle Community Hospital, Sanford Worthington Medical Center, Huggins Hospital and Island Hospital.

When was this NPI record last updated?

The NPPES record for Sathish Kumar Cullath Harikrishnan was last updated on August 5, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.