Dr. Tomas J. Vietorisz, MD

  • Stamford, CT
  • Internist
NPI1760594386PAC ID8729098884
Medicare services, 2024
527
Medicare patients, 2024
224
Part D claims, 2024
4,621
MIPS score, 2024
87
Hospital affiliations
2
Practice address
1 Omega Dr, Stamford, CT 06907
Practice phone
Call (203) 276-7447
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Stamford Health Medical Group, Inc.

Stamford, Connecticut

See all 5 affiliations

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Dr. Tomas J. Vietorisz is an internist in Stamford, Connecticut

Dr. Vietorisz practices at Stamford Health Medical Group, Inc. in Stamford, Connecticut.

Dr. Vietorisz's NPI, 1760594386, was assigned on August 31, 2006. Dr. Vietorisz graduated from Icahn School Of Medicine At Mount Sinai in 1988. Dr. Vietorisz holds Connecticut license 034534.

NPI and contact details
Medicare PAC ID
8729098884
NPI enumeration date
August 31, 2006
NPI status
Active
Accepts Medicare assignment
Yes
Offers telehealth
Yes
Practice phone
(203) 276-7447
Professional email
Get email
Personal email
Get email
Mobile number
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Sex
Male
Estimated age
64
Medical school graduation
1988

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)

Dr. Tomas J. Vietorisz practices at Stamford Health Medical Group, Inc. in Stamford, Connecticut

Dr. Vietorisz's primary practice is Stamford Health Medical Group, Inc., at 1 Omega Dr, Stamford, CT 06907 in Western Ct County. The practice phone is (203) 276-7447.

  • Stamford Health Medical Group, Inc.
    1 Omega Dr, Stamford, CT 06907 · Western Ct CountyPhone(203) 276-7447

Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data

Dr. Tomas J. Vietorisz is affiliated with 4 sites of care and 1 medical group

Dr. Vietorisz's primary practice is Stamford Health Medical Group, Inc. in Stamford, Connecticut. Dr. Vietorisz is also affiliated with Stamford Hospital. The medical group on file is Stamford Health Medical Group. Dmand AI also links Dr. Vietorisz to 1 more hospital and 1 group practice or clinic, each named with a free account.

See all 5 affiliations for Dr. Vietorisz

Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data

Dmand AI tracks the EHR system at Dr. Tomas J. Vietorisz's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Vietorisz practices, 3 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Stamford Health Medical Group, Inc.Available with a free account
+3 more affiliated sitesAvailable with a free account

Source: Dmand AI Technology Install Data

For health IT teams

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Dr. Tomas J. Vietorisz is one of 2,189 internists in Connecticut

Internal medicine is Dr. Vietorisz's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Vietorisz is licensed in Connecticut.

Specialties and state licenses

  • Internal medicine, ConnecticutPrimaryLicense 034534 · taxonomy 207R00000X

Internists near Dr. Vietorisz

Counts of internists with a Dmand AI profile, by place and practice. Each opens the list.

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Dr. Tomas J. Vietorisz billed Medicare for 527 services in 2024

CMS data shows 527 Medicare services from Dr. Vietorisz across 5 procedure codes in 2024, for 224 Medicare patients. Medicare paid $34,036 for them. Every service was in an office.

Medicare services, 2024527
Medicare patients224
Paid by Medicare$34,036
Procedure codes5

Dr. Vietorisz's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Office and hospital visits
2023: 4522024: 4442%
Other services
2023: 172024: 45165%
Tests and treatments
2023: 532024: 3828%

Dr. Vietorisz compared with the Connecticut median for internists, 2024

  • Dr. Vietorisz
  • Connecticut median
Medicare services
527vs 39035% above
Medicare patients
224vs 17230% above
Part D claims
4,022vs 34311.7 times

Medians across 2,185 internists in Connecticut with Dmand AI profiles that report each measure.

Dr. Vietorisz's most billed Medicare procedure codes, 2024

CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.

See all procedures by Dr. Vietorisz

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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Dr. Tomas J. Vietorisz treated 224 Medicare patients in 2024, average age 75

CMS counts 224 Medicare patients who saw Dr. Vietorisz in 2024. The largest group is 65 to 74, with 101 patients. 75% of them have high cholesterol, and 69% have high blood pressure. 14% are also on Medicaid. Their average risk score is 1.30, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Dr. Vietorisz's median patient age at 66, with 50% women.

Medicare patients, 2024224
Average age75
Average risk score1.30
Also on Medicaid14%

Dr. Vietorisz's Medicare patients by age, 2024

CMS leaves out age groups with fewer than 11 patients.

Dr. Vietorisz's Medicare patients by sex, 2024

  • Women12054%
  • Men10446%

Chronic conditions among Dr. Vietorisz's Medicare patients, 2024

  1. High cholesterol75%
  2. High blood pressure69%
  3. Arthritis63%
  4. Ischemic heart disease33%
  5. Diabetes24%
  6. Osteoporosis23%
  7. Cancer22%
  8. Anxiety20%

Share of Medicare patients with each condition. A patient can have several.

Dr. Vietorisz's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 66

Patient panel by sex, all payers

  • Women50%
  • Men47%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Dr. Tomas J. Vietorisz wrote 4,621 Medicare Part D claims in 2024

In 2024, Dr. Vietorisz wrote 4,621 Medicare Part D claims for 489 patients. 87% of them were for generic drugs. CMS names the drug for 4,022 of them, across 86 drugs with 11 or more claims each, at $2,382,186 in total drug cost. In 2023, CMS named 3,783 claims across 81 drugs.

Part D claims, 20244,621
Drugs named by CMS86
Total drug cost$2.4M
Part D patients489

Dr. Vietorisz's Part D claims by kind of drug, 2024

  • Generic4,033 claims87%
  • Brand-name574 claims12%
  • Other14 claims0%

Dr. Vietorisz's most prescribed drugs by claims, 2024

CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.

Drug classes CMS tracks in Dr. Vietorisz's Part D claims, 2024

  • Opioids2%100 of 4,621 claims
  • Antibiotics3%129 of 4,621 claims
  • Antipsychotics, patients 65 and over0%17 of 4,621 claims

Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.

Part D claims for drugs CMS names, 2023 to 2024

  • 2023
  • 2024
Claims for drugs CMS names
2023: 3,7832024: 4,0226%

Drugs named by CMS: 86 in 2024, 81 in 2023.

See all prescribing by Dr. Vietorisz

Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data

Dr. Tomas J. Vietorisz scored 87 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 87 out of 100 for Dr. Vietorisz for performance year 2024, reported as part of a group. Dr. Vietorisz accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Vietorisz as offering telehealth.

Accepts Medicare assignment
Yes
Offers telehealth
Yes

Dr. Vietorisz's MIPS scores, performance year 2024

  • 87of 100Final score
  • 84.9of 100Quality
  • 99of 100Promoting Interoperability
  • 40of 100Improvement Activities
  • 71of 100Cost

Each score is out of 100. The final score weighs the categories CMS scored for this clinician.

Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026

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Dr. Tomas J. Vietorisz received $313 in industry payments from 2016 to 2025

CMS Open Payments shows 7 general payments to Dr. Vietorisz from 6 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 68% of the total. Celgene Corporation paid the most, $140.

General payments to Dr. Vietorisz by program year, 2016 to 2025

General payments to Dr. Vietorisz by kind, 2016 to 2025

$313in total
  • Food and beverage$21468%
  • Education$9932%

Companies that paid Dr. Vietorisz the most, 2016 to 2025

Share is of all general payments to this clinician.

See all payments to Dr. Vietorisz

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Dr. Tomas J. Vietorisz graduated from Icahn School Of Medicine At Mount Sinai

Dr. Vietorisz graduated from Icahn School Of Medicine At Mount Sinai in 1988.

  1. Medical schoolIcahn School Of Medicine At Mount Sinai

Source: Dmand AI Professional Profile Data

Sources for Dr. Tomas J. Vietorisz's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data
Primary practice, affiliations and health systemNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab)
MIPS scores, telehealth, assignment and procedure percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Training, board certification and membershipsDmand AI Professional Profile Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Dr. Tomas J. Vietorisz

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Dr. Tomas J. Vietorisz's NPI number?

Dr. Tomas J. Vietorisz's NPI number is 1760594386. It was assigned on August 31, 2006, and it is active in the NPI Registry.

What kind of doctor is Dr. Tomas J. Vietorisz?

Dr. Tomas J. Vietorisz is an internist in Stamford, Connecticut. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).

Where does Dr. Tomas J. Vietorisz practice?

Dr. Vietorisz practices at 1 Omega Dr, Stamford, CT 06907. Dr. Vietorisz's primary practice is Stamford Health Medical Group, Inc. in Stamford, Connecticut. Dmand AI also links Dr. Vietorisz to 1 hospital and 1 group practice or clinic.

What is Dr. Tomas J. Vietorisz's office phone number?

The practice phone on file for Dr. Vietorisz is (203) 276-7447.

What is Dr. Tomas J. Vietorisz's medical license number?

Dr. Vietorisz holds Connecticut license 034534.

Which hospitals is Dr. Tomas J. Vietorisz affiliated with?

Dr. Vietorisz is affiliated with Stamford Hospital. Dmand AI links Dr. Vietorisz to 1 more hospital.

What medical group is Dr. Tomas J. Vietorisz part of?

Dr. Vietorisz is linked to Stamford Health Medical Group.

Does Dr. Tomas J. Vietorisz accept Medicare?

Yes. CMS data shows Dr. Vietorisz billed Medicare for 527 services in 2024, and Dr. Vietorisz accepts Medicare assignment.

Does Dr. Tomas J. Vietorisz offer telehealth?

Yes. The CMS Doctors and Clinicians file lists Dr. Vietorisz as offering telehealth services.

What is Dr. Tomas J. Vietorisz's MIPS score?

Dr. Vietorisz's MIPS final score for performance year 2024 is 87 out of 100, reported as part of a group.

Show 6 more questionsShow fewer questions

How many Medicare patients does Dr. Tomas J. Vietorisz see?

CMS counts 224 Medicare patients who saw Dr. Vietorisz in 2024, with an average age of 75.

What services does Dr. Tomas J. Vietorisz bill to Medicare?

In 2024, Dr. Vietorisz's most billed Medicare services were office visit, established patient (99214), office visit, established patient (99213) and medicare service (G0439).

Where did Dr. Tomas J. Vietorisz go to medical school?

Dr. Vietorisz graduated from Icahn School Of Medicine At Mount Sinai in 1988.

What drugs does Dr. Tomas J. Vietorisz prescribe most?

In 2024 Medicare Part D data, Dr. Vietorisz's most prescribed drugs by claims were Prednisone, Atorvastatin Calcium and Methotrexate.

Has Dr. Tomas J. Vietorisz received payments from drug or device companies?

CMS Open Payments shows $313 in general payments to Dr. Vietorisz from 6 companies from 2016 to 2025. The largest total came from Celgene Corporation.

How long has Dr. Tomas J. Vietorisz been practicing?

Dr. Vietorisz graduated from medical school in 1988, 38 years ago.

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