Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

DR. JON TRISTER M.D.
NPI 1639131352
Internal Medicine in Worcester, MA

Q: What is Jon Trister's NPI number?

The NPI number for Jon Trister is 1639131352. It was assigned to this individual provider in the NPPES registry on April 6, 2006.

Q: What is Jon Trister's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Q: When was this NPI record last updated?

The NPPES record for Jon Trister was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 27 days 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.

Active since April 06, 2006PECOS Enrolled

82.85/100

CMS Quality Rating

10 WINTHROP ST, WORCESTER, MA 01604(508) 754-9950(508) 754-2592 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Jul 13, 2026, Mar 7, 2023 (2 updates tracked since 2023).

On this page

About Dr. Jon Trister M.d. NPPES

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

DR. JON TRISTER M.D. (NPI 1639131352) is an individual internal medicine provider in Worcester, Massachusetts, licensed in Massachusetts (80587) and active in the NPI registry since April 2006. He is enrolled in Medicare PECOS, is affiliated with Umass Memorial Healthalliance Hospitals, and is a graduate of Other (1975).

NPPES Registry Identity

NPI1639131352

Entity TypeIndividualMale

Primary Taxonomy207R00000X

Provider Legal NameDR. JON TRISTERCredential: M.D.

Location Address10 WINTHROP STWorcester, MA 01604-4435

Mailing Address10 Winthrop StWorcester, MA 01604-4435 · (508) 754-9950 · Fax (508) 754-2592

Phone(508) 754-9950

Fax(508) 754-2592

Sole ProprietorNo

Medical School CMSOtherGraduated 1975

Enumeration DateApril 6, 2006

Last NPPES UpdateJuly 13, 20262 updates tracked since enumeration

✔ NPI 1639131352 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207R00000X

License✔ Licensed in MA · 80587

Definition

A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.

10 WINTHROP ST, Worcester, MA 01604

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Other Identifiers 14

Other784631MA · Empire B/c Ny

Other080587MA · Tufts

Other431050MA · Cmhc

Other735473 101683MA · Aetna

Other985162MA · Network

Other0400053MA · United Health Care

Other431050PRMA · Healthsource

Other0735473 CAP # 44559MA · Us Health Care

Medicaid3144941MA

OtherJ16290MA · Blue Cross Blue Shield

Other29736MA · Fallon

Other66212MA · Harvard Pilgrim

Other0400664MA · Ever Care

Other1928586MA · Cigna

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Anthem Blue Cross and Blue Shield.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. Jon Trister 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 ID4486600954

PECOS Enrollment IDI20050328000791

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 14

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.

Injection, triamcinolone acetonide, not otherwise specified, 10 mg J3301

Triamcinolone acetonide is a medication used to reduce inflammation in the body. It's given as a 10 mg injection for conditions like allergies, arthritis, or skin problems. The injection helps to decrease swelling, redness, and itching.

524 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.

408 services190 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.

352 services180 patients

Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report 93000

An electrocardiogram (ECG) is a non-invasive test that records your heart's electrical activity. Using 12 leads attached to your body, it captures data to help identify heart conditions. A doctor interprets the results and provides a report.

63 services49 patients

Aspiration and/or injection of fluid from large joint 20610

This procedure involves using a needle to remove (aspiration) or introduce (injection) fluid into a large joint like the knee or hip. It can help diagnose conditions, relieve discomfort, or deliver medication directly to the joint.

58 services40 patients

Injection into tendon or ligament 20550

An injection into a tendon or ligament involves placing medication directly into these areas to help reduce inflammation and pain. It's often used for conditions like arthritis or tendonitis. The procedure is quick and usually involves a local anesthetic.

39 services13 patients

Injection of drug or substance under skin or into muscle 96372

This procedure involves administering medication directly under the skin or into a muscle. A small needle is used to inject the drug, allowing it to be absorbed quickly into the bloodstream. It's a common method for delivering a variety of medications.

38 services14 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.

37 services37 patients

Injection, vitamin b-12 cyanocobalamin, up to 1000 mcg J3420

This is a procedure where a small dose of Vitamin B-12, also known as Cyanocobalamin, is injected into your body. This vitamin is essential for nerve function and the production of red blood cells. It's often used to treat vitamin B-12 deficiency.

37 services13 patients

Administration of influenza virus vaccine G0008

The administration of the influenza virus vaccine, also known as the flu shot, is a simple procedure to protect against the flu. A healthcare provider injects a small dose of the vaccine into your arm. This stimulates your immune system to produce antibodies, which will help your body fight off the flu if exposed.

28 services28 patients

Destruction of precancer skin growth, 1 growth 17000

"Destruction of precancer skin growth" is a procedure that eliminates a single precancerous skin growth. This is done to prevent it from developing into skin cancer. The growth may be removed using various methods such as cryotherapy (freezing), laser therapy, or topical medications.

19 services11 patients

New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more 99203

This service involves an initial office or outpatient visit for a new patient. The healthcare professional will spend 30-44 minutes understanding your health history, current issues, and discussing possible treatment plans. It's a comprehensive evaluation to start your healthcare journey.

18 services18 patients

Telephone medical discussion with physician, 11-20 minutes 99442

This is a service where you have a phone conversation with your doctor for 11-20 minutes. It's used for discussing health concerns, reviewing test results, or managing ongoing conditions. It's a convenient way to receive medical advice without an in-person visit.

17 services14 patients

Detection test by immunoassay technique for severe acute respiratory syndrome coronavirus 87426

An immunoassay test for severe acute respiratory syndrome coronavirus is a diagnostic tool. It uses your body's immune response to detect the presence of the virus. It involves taking a sample, usually from your nose or throat, which is then analyzed in a lab for signs of the virus.

12 services12 patients

Hospital Affiliations CMS Care Compare 4

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

Umass Memorial Healthalliance Hospitals

Acute Care Hospitals · Leominster, MA

2/5 CMS rating

OwnershipVoluntary non-profit - Other

CMS Certification Number220001

Location60 Hospital RoadLeominster, MA 01453 · Worcester County

Emergency services

Umass Memorial Health - Harrington Hospital

Acute Care Hospitals · Southbridge, MA

3/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number220019

Location100 South StreetSouthbridge, MA 01550 · Worcester County

Emergency services

Umass Memorial Medical Center/University Campus

Acute Care Hospitals · Worcester, MA

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number220163

Location55 Lake Avenue NorthWorcester, MA 01655 · Worcester County

Emergency services Birthing friendly

St Vincent Hospital

Acute Care Hospitals · Worcester, MA

2/5 CMS rating

OwnershipProprietary

CMS Certification Number220176

Location123 Summer StreetWorcester, MA 01608 · Worcester County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 01604 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

$134.47 typical visit price

range $58.86 – $177.36

Typical copayment $33.61 (range $14.71 – $44.34)

Most-billed visit code 99204

Established Patient

$103.48 typical visit price

range $19.11 – $144.84

Typical copayment $25.87 (range $4.77 – $36.21)

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.

82.85/100

MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program

Individually scored

Quality

75.2

Improvement Activities

Cost

59.22

Reported Quality Measures

Appropriate Treatment for Upper Respiratory Infection (URI)

84%38 patients4/55-star benchmark: 100%

Breast Cancer Screening

46%301 patients2/55-star benchmark: 93%

Closing the Referral Loop: Receipt of Specialist Report

18%691 patients1/55-star benchmark: 87%

Colorectal Cancer Screening

38%955 patients2/55-star benchmark: 88%

Controlling High Blood Pressure

56%610 patients3/55-star benchmark: 91%

Diabetes: Eye Exam

6%244 patients1/55-star benchmark: 100%

Diabetes: Hemoglobin A1c (HbA1c) Poor Control (>9%)

Lower rates are better for this measure.

27%244 patients4/55-star benchmark: 91%

Documentation of Current Medications in the Medical Record

95%4,603 patients4/55-star benchmark: 100%

Falls: Screening for Future Fall Risk

3%611 patients1/55-star benchmark: 100%

HIV Screening

9%921 patients1/55-star benchmark: 60%

Preventive Care and Screening: Body Mass Index (BMI) Screening and Follow-Up Plan

42%1,378 patients2/55-star benchmark: 98%

Preventive Care and Screening: Screening for High Blood Pressure and Follow-Up Documented

18%2,826 patients2/55-star benchmark: 61%

Statin Therapy for the Prevention and Treatment of Cardiovascular Disease

92%392 patients5/55-star benchmark: 91%

Use of High-Risk Medications in Older Adults

Lower rates are better for this measure.

Patients appropriateDiagnosis: 3% · 558 patients

Patients totalRate: 15% · 645 patients

18%645 patients3/55-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 5

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

Blood glucose test or reagent strips for home blood glucose monitor, per 50 strips A4253

DME-Other DME · category DE017N

9 suppliers32 claims101 services$5.74 avg. paid by Medicare

Lancets, per box of 100 A4259

DME-Medical/Surgical Supplies · category DA000N

7 suppliers12 claims19 services$1.03 avg. paid by Medicare

Portable gaseous oxygen system, rental; includes portable container, regulator, flowmeter, humidifier, cannula or mask, and tubing E0431

DME-Oxygen and Supplies · category DC000N

1 supplier12 claims12 services$12.38 avg. paid by Medicare

Portable oxygen contents, gaseous, 1 month's supply = 1 unit E0443

DME-Oxygen and Supplies · category DC000N

1 supplier12 claims12 services$37.22 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

1 supplier12 claims12 services$61.23 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.

JAIN MEDICAL GROUP PC

Family Medicine

10 WINTHROP ST
WORCESTER, MA 01604

Worcester County (508) 799-4100

MCGILLICUDDY & SUNGARIAN, M.D'S, LLP

Neurological Surgery

10 WINTHROP ST
WORCESTER, MA 01604

Worcester County (508) 752-6381

DR. PETER P TOMAIOLO MD

Specialist

10 WINTHROP ST, SUITE 311
WORCESTER, MA 01604

Worcester County (508) 755-6129

CHARANJIT S RAO MD PC

Surgery (Vascular Surgery)

10 WINTHROP ST
WORCESTER, MA 01604

Worcester County (508) 756-2244

JANG B. SINGH, M,D,PC.

Internal Medicine (Cardiovascular Disease)

10 WINTHROP ST, VERNON MEDICAL CENTER
WORCESTER, MA 01604

Worcester County (508) 792-2336

DR. FREDERICK CHEUNG

Dentist (Orthodontics and Dentofacial Orthopedics)

10 WINTHROP ST, #210
WORCESTER, MA 01604

Worcester County (508) 755-2207

VERNON INTEGRATIVE MEDICAL GROUP LLC

Internal Medicine

10 WINTHROP ST
WORCESTER, MA 01604

Worcester County (508) 754-9950

DR. PAULETTE R KIMBALL-WREN MD

Pediatrics

10 WINTHROP ST
WORCESTER, MA 01604

Worcester County (508) 753-3120

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 Jon Trister's NPI number?

The NPI number for Jon Trister is 1639131352. It was assigned to this individual provider in the NPPES registry on April 6, 2006.

Where is Jon Trister located?

Jon Trister practices at 10 Winthrop St, Worcester, MA 01604. The listed phone number is (508) 754-9950.

What is Jon Trister's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Jon Trister enrolled in Medicare?

Yes. Jon Trister 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 Jon Trister accept?

Health plans from Anthem Blue Cross and Blue Shield list Jon Trister 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 Jon Trister affiliated with any hospitals?

According to CMS data, Jon Trister is affiliated with Umass Memorial Healthalliance Hospitals, Umass Memorial Health - Harrington Hospital, Umass Memorial Medical Center/University Campus and St Vincent Hospital.

When was this NPI record last updated?

The NPPES record for Jon Trister was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 27 days 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.