Dr. Theo E. Meyer, MD

  • Mendon, MA
  • Cardiologist
NPI1568445294PAC ID9335119403
Medicare services, 2024
8,099
Medicare patients, 2024
5,263
Part D claims, 2024
3,583
Publications
27
MIPS score, 2024
100
Practice address
55 North Ave, Mendon, MA 01756
Practice phone
Call (508) 334-1000
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Umass Memorial Medical Center

Mendon, Massachusetts

See all 7 affiliations

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Dr. Theo E. Meyer is a cardiologist in Mendon, Massachusetts

Dr. Meyer practices at Umass Memorial Medical Center in Mendon, Massachusetts.

Dr. Meyer's NPI, 1568445294, was assigned on November 28, 2005. Dr. Meyer holds Massachusetts license 150067.

NPI and contact details
Medicare PAC ID
9335119403
NPI enumeration date
November 28, 2005
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(508) 334-1000
Professional email
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Personal email
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Mobile number
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Sex
Male
Estimated age
76
Medical school graduation
1976

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

Dr. Theo E. Meyer practices at Umass Memorial Medical Center in Mendon, Massachusetts

Dr. Meyer's primary practice is Umass Memorial Medical Center, at 55 North Ave, Mendon, MA 01756 in Worcester County. The practice phone is (508) 334-1000.

  • Umass Memorial Medical Center
    55 North Ave, Mendon, MA 01756 · Worcester CountyPhone(508) 334-1000

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

Dr. Theo E. Meyer is affiliated with 6 sites of care and 1 medical group

Dr. Meyer's primary practice is Umass Memorial Medical Center in Mendon, Massachusetts. Dr. Meyer is also affiliated with UMass Memorial Medical Center - University Campus. The medical group on file is UMass Memorial Medical Group. Dmand AI also links Dr. Meyer to 4 more hospitals, each named with a free account.

See all 7 affiliations for Dr. Meyer

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

Dmand AI tracks the EHR system at Dr. Theo E. Meyer's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Meyer practices, 5 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Umass Memorial Medical CenterAvailable with a free account
+5 more affiliated sitesAvailable with a free account

Source: Dmand AI Technology Install Data

For health IT teams

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Dr. Theo E. Meyer is one of 840 cardiologists in Massachusetts

Cardiovascular disease is Dr. Meyer's primary specialty in the NPI Registry, under taxonomy code 207RC0000X. Dr. Meyer is licensed in Massachusetts.

Specialties and state licenses

  • Cardiovascular disease, MassachusettsPrimaryLicense 150067 · taxonomy 207RC0000X

Cardiologists near Dr. Meyer

Counts of cardiologists 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. Theo E. Meyer billed Medicare for 8,099 services in 2024

CMS data shows 8,099 Medicare services from Dr. Meyer across 11 procedure codes in 2024, for 5,263 Medicare patients. Medicare paid $149,276 for them.

Medicare services, 20248,099
Medicare patients5,263
Paid by Medicare$149,276
Procedure codes11

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

  • 2023
  • 2024
Tests and treatments
2023: 4,9322024: 7,05543%
Office and hospital visits
2023: 1,1692024: 1,04411%

Where Dr. Meyer's Medicare services took place, 2024

  • In an office85611%
  • In a facility7,24389%

Dr. Meyer compared with the Massachusetts median for cardiologists, 2024

  • Dr. Meyer
  • Massachusetts median
Medicare services
8,099vs 1,6125.0 times
Medicare patients
5,263vs 9565.5 times
Part D claims
3,430vs 8464.1 times

Medians across 817 cardiologists in Massachusetts with Dmand AI profiles that report each measure.

Dr. Meyer'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. Meyer

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

Dr. Theo E. Meyer treated 5,263 Medicare patients in 2024, average age 74

CMS counts 5,263 Medicare patients who saw Dr. Meyer in 2024. The largest group is 65 to 74, with 1,824 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 35% are also on Medicaid. Their average risk score is 1.92, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.

Across all payers, Dmand AI patient panel data puts Dr. Meyer's median patient age at 69, with 45% women.

Medicare patients, 20245,263
Average age74
Average risk score1.92
Also on Medicaid35%

Dr. Meyer's Medicare patients by age, 2024

Dr. Meyer's Medicare patients by sex, 2024

  • Women2,71352%
  • Men2,55048%

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

  1. High blood pressure75%
  2. High cholesterol75%
  3. Arthritis49%
  4. Ischemic heart disease44%
  5. Anxiety42%
  6. Mood disorders42%
  7. Chronic kidney disease40%
  8. Depression37%

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

Dr. Meyer's patients across all payers

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

Patient panel by age, all payers

Median age 69

Patient panel by sex, all payers

  • Women45%
  • Men54%

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

Dr. Theo E. Meyer wrote 3,583 Medicare Part D claims in 2024

In 2024, Dr. Meyer wrote 3,583 Medicare Part D claims for 623 patients. 82% of them were for generic drugs. CMS names the drug for 3,430 of them, across 36 drugs with 11 or more claims each, at $1,082,009 in total drug cost. In 2023, CMS named 2,918 claims across 33 drugs.

Part D claims, 20243,583
Drugs named by CMS36
Total drug cost$1.1M
Part D patients623

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

  • Generic2,955 claims82%
  • Brand-name628 claims18%

Dr. Meyer'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.

Part D claims for drugs CMS names, 2023 to 2024

  • 2023
  • 2024
Claims for drugs CMS names
2023: 2,9182024: 3,43018%

Drugs named by CMS: 36 in 2024, 33 in 2023.

See all prescribing by Dr. Meyer

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. Theo E. Meyer scored 100 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 100 out of 100 for Dr. Meyer for performance year 2024, reported through an alternative payment model (APM). Dr. Meyer accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

Accepts Medicare assignment
Yes

Dr. Meyer's MIPS scores, performance year 2024

  • 100of 100Final score
  • 83of 100Quality
  • 100of 100Promoting Interoperability
  • 40of 100Improvement Activities

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. Theo E. Meyer has 27 publications on record

Dmand AI links 27 papers to Dr. Meyer, published from 2011 to 2023. 2016 was the busiest year, with 4. The most frequent topics are Heart Failure, Stroke Volume and Mitral Valve Insufficiency. Dr. Meyer has published most often in Curr Heart Fail Rep. Dr. Meyer's most frequent co-authors are Gerard Philip Aurigemma, MD, David Dionne McManus, MD and Jeffrey Alan Shih, MD.

Papers27
Years published2011 to 2023

Dr. Meyer's papers by year, 2011 to 2023

Topics Dr. Meyer writes about most

  • Heart Failure
  • Stroke Volume
  • Mitral Valve Insufficiency
  • Diastole
  • Echocardiography
  • Mitral Valve
  • Blood Pressure
  • Echocardiography, Doppler

Dr. Meyer's most frequent co-authors

Recent publications by Dr. Meyer

See all 27 publications and co-authors

See who Dr. Meyer researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Meyer works with, so you can find a warm path to the right cardiologists.

How network discovery works

Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage

Dr. Theo E. Meyer received $37,462 in industry payments from 2016 to 2025

CMS Open Payments shows 37 general payments to Dr. Meyer from 7 drug and device companies from 2016 to 2025. Consulting fees make up the largest share, 90% of the total. CVRx, Inc. paid the most, $37,140. It also lists 147 research payments totaling $63,653 from 2017 to 2025.

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

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

$37.5Kin total
  • Consulting fees$33,90090%
  • Travel and lodging$2,6267%
  • Food and beverage$8252%
  • Entertainment$730%
  • Education$380%

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

Share is of all general payments to this clinician.

See all payments to Dr. Meyer

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

Sources for Dr. Theo E. Meyer'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 DataDmand AI Org Hierarchy 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)
Publications, topics and co-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
Industry paymentsOpen Payments (CMS) (opens in a new tab)
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. Theo E. Meyer

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. Theo E. Meyer's NPI number?

Dr. Theo E. Meyer's NPI number is 1568445294. It was assigned on November 28, 2005, and it is active in the NPI Registry.

What kind of doctor is Dr. Theo E. Meyer?

Dr. Theo E. Meyer is a cardiologist in Mendon, Massachusetts. The primary specialty in the NPI Registry is Cardiovascular Disease Physician (taxonomy code 207RC0000X).

Where does Dr. Theo E. Meyer practice?

Dr. Meyer practices at 55 North Ave, Mendon, MA 01756. Dr. Meyer's primary practice is Umass Memorial Medical Center in Mendon, Massachusetts. Dmand AI also links Dr. Meyer to 4 hospitals.

What is Dr. Theo E. Meyer's office phone number?

The practice phone on file for Dr. Meyer is (508) 334-1000.

What is Dr. Theo E. Meyer's medical license number?

Dr. Meyer holds Massachusetts license 150067.

Which hospitals is Dr. Theo E. Meyer affiliated with?

Dr. Meyer is affiliated with UMass Memorial Medical Center - University Campus. Dmand AI links Dr. Meyer to 4 more hospitals.

What medical group is Dr. Theo E. Meyer part of?

Dr. Meyer is linked to UMass Memorial Medical Group.

Does Dr. Theo E. Meyer accept Medicare?

Yes. CMS data shows Dr. Meyer billed Medicare for 8,099 services in 2024, and Dr. Meyer accepts Medicare assignment.

What is Dr. Theo E. Meyer's MIPS score?

Dr. Meyer's MIPS final score for performance year 2024 is 100 out of 100, reported through an alternative payment model (APM).

How many Medicare patients does Dr. Theo E. Meyer see?

CMS counts 5,263 Medicare patients who saw Dr. Meyer in 2024, with an average age of 74.

Show 6 more questionsShow fewer questions

What services does Dr. Theo E. Meyer bill to Medicare?

In 2024, Dr. Meyer's most billed Medicare services were heart test or procedure (93010), hospital inpatient care (99233) and office visit, established patient (99214).

What drugs does Dr. Theo E. Meyer prescribe most?

In 2024 Medicare Part D data, Dr. Meyer's most prescribed drugs by claims were Metoprolol Succinate, Spironolactone and Rosuvastatin Calcium.

Has Dr. Theo E. Meyer received payments from drug or device companies?

CMS Open Payments shows $37,462 in general payments to Dr. Meyer from 7 companies from 2016 to 2025. The largest total came from CVRx, Inc.

How long has Dr. Theo E. Meyer been practicing?

Dr. Meyer graduated from medical school in 1976, 50 years ago.

Does Dr. Theo E. Meyer do research?

Dmand AI links 27 publications to Dr. Meyer, published from 2011 to 2023.

Who does Dr. Theo E. Meyer publish with?

Dr. Meyer's most frequent co-authors are Gerard Philip Aurigemma, MD (6 shared papers), David Dionne McManus, MD (4 shared papers) and Jeffrey Alan Shih, MD (4 shared papers).

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