Dr. David Matthew Stein, MD

  • Worcester, MA
  • Internist
NPI1245729656PAC ID2668723339
Medicare services, 2024
572
Medicare patients, 2024
198
Part D claims, 2024
2,970
Hospital affiliations
5
Industry payments
$229
Practice address
5 Neponset Street, Worcester, MA 01606
Practice phone
Call (508) 853-2716
Professional email
Get professional email
Personal email
Get personal email
Mobile number
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Social profiles

Primary practice

Reliant Medical Group - Worcester - Neponset Street

Mammography / Breast Imaging Center · Worcester, Massachusetts

See all 11 affiliations

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Dr. David Matthew Stein is an internist in Worcester, Massachusetts

Dr. Stein practices at Reliant Medical Group - Worcester - Neponset Street in Worcester, Massachusetts.

Dr. Stein's NPI, 1245729656, was assigned on May 2, 2018. Dr. Stein graduated from University of Massachusetts Medical School in 2018. Dr. Stein holds Massachusetts license 285771.

NPI and contact details
Medicare PAC ID
2668723339
NPI enumeration date
May 2, 2018
NPI status
Active
Accepts Medicare assignment
Yes
Offers telehealth
Yes
Practice phone
(508) 853-2716
Professional email
Get email
Personal email
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Mobile number
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Sex
Male
Estimated age
34
Medical school graduation
2018

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

Dr. David Matthew Stein practices at Reliant Medical Group - Worcester - Neponset Street in Worcester, Massachusetts

Dr. Stein's primary practice is Reliant Medical Group - Worcester - Neponset Street, at 5 Neponset Street, Worcester, MA 01606. The practice phone is (508) 853-2716.

  • Reliant Medical Group - Worcester - Neponset Street
    5 Neponset Street, Worcester, MA 01606Phone(508) 853-2716

Source: Dmand AI Affiliation Data

Dr. David Matthew Stein is affiliated with 10 sites of care and 1 medical group

Dr. Stein's primary practice is Reliant Medical Group - Worcester - Neponset Street in Worcester, Massachusetts. Dr. Stein is also affiliated with UMass Memorial Medical Center - University Campus. The medical group on file is Reliant Medical Group. Dmand AI also links Dr. Stein to 4 more hospitals, 3 home health agencies and 1 group practice or clinic, each named with a free account. Dr. Stein's employer is on file too: a breast imaging center.

See all 11 affiliations for Dr. Stein

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Dr. David Matthew Stein's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Stein practices, 10 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Reliant Medical Group - Worcester - Neponset StreetAvailable with a free account
+9 more affiliated sitesAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. David Matthew Stein is one of 5,528 internists in Massachusetts

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

Specialties and state licenses

  • Internal medicine, MassachusettsPrimaryLicense 285771 · taxonomy 207R00000X

Internists near Dr. Stein

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. David Matthew Stein billed Medicare for 572 services in 2024

CMS data shows 572 Medicare services from Dr. Stein across 13 procedure codes in 2024, for 198 Medicare patients. Medicare paid $49,534 for them. Every service was in an office.

Medicare services, 2024572
Medicare patients198
Paid by Medicare$49,534
Procedure codes13

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

  • 2023
  • 2024
Office and hospital visits
2023: 1832024: 23931%
Other services
2023: 1412024: 16316%
Tests and treatments
2023: 322024: 96200%
Lab and pathology
2023: 1742024: 7457%

Dr. Stein compared with the Massachusetts median for internists, 2024

  • Dr. Stein
  • Massachusetts median
Medicare services
572vs 43133% above
Medicare patients
198vs 194Close to median
Part D claims
2,470vs 4026.1 times

Medians across 5,369 internists in Massachusetts with Dmand AI profiles that report each measure.

Dr. Stein'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. Stein

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

Dr. David Matthew Stein treated 198 Medicare patients in 2024, average age 72

CMS counts 198 Medicare patients who saw Dr. Stein in 2024. The largest group is 65 to 74, with 95 patients. 75% of them have high cholesterol, and 70% have high blood pressure. 20% are also on Medicaid. Their average risk score is 1.20, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Dr. Stein's median patient age at 55, with 47% women.

Medicare patients, 2024198
Average age72
Average risk score1.20
Also on Medicaid20%

Dr. Stein's Medicare patients by age, 2024

Dr. Stein's Medicare patients by sex, 2024

  • Women6935%
  • Men12965%

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

  1. High cholesterol75%
  2. High blood pressure70%
  3. Arthritis38%
  4. Diabetes28%
  5. Ischemic heart disease25%
  6. Chronic kidney disease22%
  7. Mood disorders19%
  8. Atrial fibrillation18%

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

Dr. Stein's patients across all payers

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

Patient panel by age, all payers

Median age 55

Patient panel by sex, all payers

  • Women47%
  • Men52%

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

Dr. David Matthew Stein wrote 2,970 Medicare Part D claims in 2024

In 2024, Dr. Stein wrote 2,970 Medicare Part D claims for 428 patients. 90% of them were for generic drugs. CMS names the drug for 2,470 of them, across 71 drugs with 11 or more claims each, at $209,926 in total drug cost. In 2023, CMS named 2,341 claims across 58 drugs.

Part D claims, 20242,970
Drugs named by CMS71
Total drug cost$209,926
Part D patients428

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

  • Generic2,659 claims90%
  • Brand-name and other311 claims10%

Dr. Stein'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. Stein's Part D claims, 2024

  • Opioids3%103 of 2,970 claims
  • Antibiotics2%65 of 2,970 claims
  • Antipsychotics, patients 65 and over0%13 of 2,970 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: 2,3412024: 2,4706%

Drugs named by CMS: 71 in 2024, 58 in 2023.

See all prescribing by Dr. Stein

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. David Matthew Stein offers telehealth to Medicare patients

Dr. Stein accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Stein as offering telehealth.

Accepts Medicare assignment
Yes
Offers telehealth
Yes

Source: Doctors and Clinicians National Downloadable File (CMS)

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Dr. David Matthew Stein received $229 in industry payments from 2023 to 2025

CMS Open Payments shows 12 general payments to Dr. Stein from 1 drug or device company from 2023 to 2025. Food and beverage make up the largest share, 100% of the total. Gilead Sciences, Inc. paid the most, $229.

General payments to Dr. Stein by program year, 2023 to 2025

Companies that paid Dr. Stein the most, 2023 to 2025

Share is of all general payments to this clinician.

See all payments to Dr. Stein

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

Dr. David Matthew Stein graduated from University of Massachusetts Medical School

Dr. Stein graduated from University of Massachusetts Medical School in 2018.

  1. Medical schoolUniversity of Massachusetts Medical School

Source: Dmand AI Professional Profile Data

Sources for Dr. David Matthew Stein'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 phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand 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)
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. David Matthew Stein

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. David Matthew Stein's NPI number?

Dr. David Matthew Stein's NPI number is 1245729656. It was assigned on May 2, 2018, and it is active in the NPI Registry.

What kind of doctor is Dr. David Matthew Stein?

Dr. David Matthew Stein is an internist in Worcester, Massachusetts. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).

Where does Dr. David Matthew Stein practice?

Dr. Stein practices at 5 Neponset Street, Worcester, MA 01606. Dr. Stein's primary practice is Reliant Medical Group - Worcester - Neponset Street in Worcester, Massachusetts. Dmand AI also links Dr. Stein to 4 hospitals, 3 home health agencies and 1 group practice or clinic.

What is Dr. David Matthew Stein's office phone number?

The practice phone on file for Dr. Stein is (508) 853-2716.

What is Dr. David Matthew Stein's medical license number?

Dr. Stein holds Massachusetts license 285771.

Which hospitals is Dr. David Matthew Stein affiliated with?

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

What medical group is Dr. David Matthew Stein part of?

Dr. Stein is linked to Reliant Medical Group.

Does Dr. David Matthew Stein accept Medicare?

Yes. CMS data shows Dr. Stein billed Medicare for 572 services in 2024, and Dr. Stein accepts Medicare assignment.

Does Dr. David Matthew Stein offer telehealth?

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

How many Medicare patients does Dr. David Matthew Stein see?

CMS counts 198 Medicare patients who saw Dr. Stein in 2024, with an average age of 72.

Show 5 more questionsShow fewer questions

What services does Dr. David Matthew Stein bill to Medicare?

In 2024, Dr. Stein's most billed Medicare services were office visit, established patient (99214), medicare service (G0439) and office visit, established patient (99215).

Where did Dr. David Matthew Stein go to medical school?

Dr. Stein graduated from University of Massachusetts Medical School in 2018.

What drugs does Dr. David Matthew Stein prescribe most?

In 2024 Medicare Part D data, Dr. Stein's most prescribed drugs by claims were Atorvastatin Calcium, Amlodipine Besylate and Lisinopril.

Has Dr. David Matthew Stein received payments from drug or device companies?

CMS Open Payments shows $229 in general payments to Dr. Stein from 1 company from 2023 to 2025. The largest total came from Gilead Sciences, Inc.

How long has Dr. David Matthew Stein been practicing?

Dr. Stein graduated from medical school in 2018, 8 years ago.

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