Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 30 days.

DR. JONATHAN H TRESS M.D.
NPI 1013016187
Internal Medicine - Infectious Disease in Hartford, CT

Active since September 22, 2006PECOS EnrolledAccepts Medicare Assignment
100 RETREAT AVE, SUITE 200, HARTFORD, CT 06106(860) 548-9293(860) 548-9933 Get Directions Write a Review

NPPES record last updated: July 12, 2026. Verified against the NPPES registry weekly; last sync: July 26, 2026.

About Dr. Jonathan H Tress M.d. NPPES

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

DR. JONATHAN H TRESS M.D. (NPI 1013016187) is an individual infectious disease provider in Hartford, Connecticut, licensed in Connecticut (26116) and active in the NPI registry since September 2006. He is enrolled in Medicare PECOS and is a graduate of State University Of New York At Buffalo School Of Medicine (1979).

NPPES Registry Identity

NPI1013016187
Entity TypeIndividualMale
Primary Taxonomy207RI0200X
Provider Legal NameDR. JONATHAN H TRESSCredential: M.D.
Location Address100 RETREAT AVE, SUITE 200Hartford, CT 06106-2528
Mailing Address100 Retreat Ave, Suite 200Hartford, CT 06106-2528 · (860) 548-9293 · Fax (860) 548-9933
Fax(860) 548-9933
Sole ProprietorYes
Medical School CMSState University Of New York At Buffalo School Of MedicineGraduated 1979
Enumeration DateSeptember 22, 2006
Last NPPES UpdateJuly 12, 2026
NPI 1013016187 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyInternal Medicine · Infectious DiseaseAllopathic & Osteopathic Physicians
Taxonomy Code207RI0200X
License Licensed in CT · 26116
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.

100 RETREAT AVE, Hartford, CT 06106

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. Jonathan H Tress 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 ID2365436243
PECOS Enrollment IDI20040413001262
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 7

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 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.
122 services42 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.
61 services53 patients
Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
51 services36 patients
Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit G0439
An annual wellness visit is a yearly appointment with your primary care provider to create or update a personalized prevention plan. This plan helps prevent illness based on your current health and risk factors. It's a subsequent visit, meaning it follows an initial assessment.
20 services20 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.
19 services15 patients
Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more 99212
This is a routine check-up for patients who have previously seen the doctor. During this 10-19 minute visit, the doctor will review your health status, discuss any concerns, and manage ongoing treatments or medications. It's a chance to ensure your health is on track.
13 services12 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 06106 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
$138.84 typical visit price
range $60.82 – $183.10
Typical copayment $34.71 (range $15.20 – $45.77)
Most-billed visit code 99204
Established Patient
$106.68 typical visit price
range $19.76 – $149.26
Typical copayment $26.67 (range $4.94 – $37.31)
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.

Referred Medical Equipment & Supplies CMS DME claims

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

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
1 supplier11 claims12 services$61.89 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

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.

Obstetrics & Gynecology
100 RETREAT AVE, SUITE 201
HARTFORD, CT 06106
Internal Medicine (Cardiovascular Disease)
100 RETREAT AVE, SUITE 811
HARTFORD, CT 06106
Dietitian, Registered (Nutrition, Pediatric)
100 RETREAT AVE
HARTFORD, CT 06106
Internal Medicine (Infectious Disease)
100 RETREAT AVE, SUITE 903
HARTFORD, CT 06106
Physical Therapist
100 RETREAT AVE, SUITE 306
HARTFORD, CT 06106
Dermatology
100 RETREAT AVE, SUITE 603
HARTFORD, CT 06106
Internal Medicine
100 RETREAT AVE, SUITE 605
HARTFORD, CT 06106
Internal Medicine (Cardiovascular Disease)
100 RETREAT AVE
HARTFORD, CT 06106

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 Jonathan Tress's NPI number?

The NPI number for Jonathan Tress is 1013016187. It was assigned to this individual provider in the NPPES registry on September 22, 2006.

Where is Jonathan Tress located?

Jonathan Tress practices at 100 Retreat Ave Suite 200, Hartford, CT 06106. The listed phone number is (860) 548-9293.

What is Jonathan Tress's specialty?

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

Is Jonathan Tress enrolled in Medicare?

Yes. Jonathan Tress 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.

When was this NPI record last updated?

The NPPES record for Jonathan Tress was last updated on July 12, 2026. NPI Profile syncs with the weekly NPPES data releases published by CMS.