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GEOFFREY TSARAS MD
NPI 1023278769
Internal Medicine - Infectious Disease in Rockford, IL

Active since June 16, 2008PECOS EnrolledAccepts Medicare Assignment
74.98/100
CMS Quality Rating
1340 CHARLES ST STE 404, ROCKFORD, IL 61104(779) 696-1890(779) 696-2410 Get Directions Write a Review

NPPES record last updated: March 12, 2021. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Mar 12, 2021, Mar 17, 2018, Dec 4, 2017 and 1 more (4 updates tracked since 2016).

About Geoffrey Tsaras Md NPPES

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

GEOFFREY TSARAS MD (NPI 1023278769) is an individual infectious disease provider in Rockford, Illinois, licensed in Illinois (036126289) and active in the NPI registry since June 2008. He is enrolled in Medicare PECOS, is affiliated with Uw Health, and maintains a secondary practice location in Rockford.

NPPES Registry Identity

NPI1023278769
Entity TypeIndividualMale
Primary Taxonomy207RI0200X
Provider Legal NameGEOFFREY TSARASCredential: MD
Location Address1340 CHARLES ST STE 404Rockford, IL 61104-2200
Mailing AddressPo Box 78866Milwaukee, WI 53278-8866 · (779) 696-7150
Phone(779) 696-1890
Fax(779) 696-2410
Sole ProprietorNo
Medical School CMSOtherGraduated 1998
Enumeration DateJune 16, 2008
Last NPPES UpdateMarch 12, 20214 updates tracked since enumeration
NPPES CertifiedMarch 12, 2021
✔ NPI 1023278769 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Infectious DiseaseAllopathic & Osteopathic Physicians
Taxonomy Code207RI0200X
Licenses✔ Licensed in IL · 036126289✔ Licensed in MN · 103894
Definition
An internist who deals with infectious diseases of all types and in all organ systems. Conditions requiring selective use of antibiotics call for this special skill. This physician often diagnoses and treats AIDS patients and patients with fevers which have not been explained. Infectious disease specialists may also have expertise in preventive medicine and travel medicine.
1340 CHARLES ST STE 404, Rockford, IL 61104
Open in Google Maps ↗

Secondary Practice Location 1

Location 1129 Phelps Ave. #508Rockford, IL 61108-2455 · Phone (815) 229-2300 · Fax (815) 229-3909

Other Identifiers 3

OtherP00746355MN · Medicare, Railroad
MedicaidENROLLEDMN
Medicaid036126289IL

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Home State Health, Ambetter Health, Ambetter Health of Delaware and more.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

Geoffrey Tsaras Md 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 ID6709951874
PECOS Enrollment IDI20101021001146
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 8

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.
206 services105 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.
132 services88 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.
106 services95 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.
49 services24 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.
33 services32 patients
Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 99231
Follow-up hospital inpatient care is a daily service where a healthcare professional checks on your health progress during your hospital stay. Each session typically lasts 15 minutes, involving updates on your condition and adjustments to your treatment plan, if necessary.
25 services21 patients

Hospital Affiliations CMS Care Compare 2

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

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 61104 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
$127.46 typical visit price
range $54.80 – $168.44
Typical copayment $31.86 (range $13.70 – $42.11)
Most-billed visit code 99204
Established Patient
$97.25 typical visit price
range $17.16 – $136.56
Typical copayment $24.31 (range $4.29 – $34.14)
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.

74.98/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality79.92
Promoting Interoperability78
Improvement Activities40
Cost55.01

Other Providers at the Same Location NPPES 2

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

SWEDISHAMERICAN HOSPITAL
Clinic/Center (Multi-Specialty)
1340 CHARLES ST STE 404
ROCKFORD, IL 61104
Winnebago County (779) 696-1890
DR. SCOTT R HOMANN M.D.
Internal Medicine (Infectious Disease)
1340 CHARLES ST STE 404
ROCKFORD, IL 61104
Winnebago County (779) 696-1890

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 Geoffrey Tsaras's NPI number?

The NPI number for Geoffrey Tsaras is 1023278769. It was assigned to this individual provider in the NPPES registry on June 16, 2008.

Where is Geoffrey Tsaras located?

Geoffrey Tsaras practices at 1340 Charles St Ste 404, Rockford, IL 61104. The listed phone number is (779) 696-1890.

What is Geoffrey Tsaras's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Infectious Disease, with taxonomy code 207RI0200X.

Is Geoffrey Tsaras enrolled in Medicare?

Yes. Geoffrey Tsaras 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 Geoffrey Tsaras accept?

Health plans from Ambetter Health, Ambetter Health of Delaware, Ambetter from Home State Health, Aspirus Health Plan and MercyCare Health Plans and 1 other insurer list Geoffrey Tsaras 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 Geoffrey Tsaras affiliated with any hospitals?

According to CMS data, Geoffrey Tsaras is affiliated with Uw Health and Saint Anthony Medical Center.

When was this NPI record last updated?

The NPPES record for Geoffrey Tsaras was last updated on March 12, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.