Dr. Matthew Samual Baron, DO

  • Baltimore, MD
  • Internist
NPI1255513644PAC ID3375792187
Medicare services, 2024
1,436
Medicare patients, 2024
244
Part D claims, 2024
3,769
MIPS score, 2024
90
Hospital affiliations
1
Practice address
301 Saint Paul Place, Baltimore, MD 21202
Practice phone
Call (410) 332-9237
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Mercy Medical Center

Hospital · Baltimore, Maryland

See all 7 affiliations

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Dr. Matthew Samual Baron is an internist in Baltimore, Maryland

Dr. Baron practices at Mercy Medical Center in Baltimore, Maryland, part of Mercy Medical Center.

Dr. Baron's NPI, 1255513644, was assigned on November 28, 2007. Dr. Baron graduated from Philadelphia College of Osteopathic Medicine in 2007. Dr. Baron holds Maryland license H0075355.

NPI and contact details
Medicare PAC ID
3375792187
NPI enumeration date
November 28, 2007
NPI status
Active
Accepts Medicare assignment
Yes
Offers telehealth
Yes
Practice phone
(410) 332-9237
Professional email
Get email
Personal email
Get email
Mobile number
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Sex
Male
Estimated age
45
Medical school graduation
2007

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

Dr. Matthew Samual Baron practices at Mercy Medical Center in Baltimore, Maryland

Dr. Baron's primary practice is Mercy Medical Center, at 301 Saint Paul Place, Baltimore, MD 21202 in Baltimore City. The practice phone is (410) 332-9237.

  • Mercy Medical Center
    301 Saint Paul Place, Baltimore, MD 21202 · Baltimore CityPhone(410) 332-9237

Source: Dmand AI Affiliation Data

Dr. Matthew Samual Baron is affiliated with 6 sites of care and 1 medical group

Dr. Baron's primary practice is Mercy Medical Center in Baltimore, Maryland, part of Mercy Medical Center. The medical group on file is Mercy Family Care Physicians. Dmand AI also links Dr. Baron to 4 more home health agencies and 1 group practice or clinic, each named with a free account.

See all 7 affiliations for Dr. Baron

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

Dmand AI tracks the EHR system at Dr. Matthew Samual Baron's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Baron practices, 6 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Mercy 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. Matthew Samual Baron is one of 3,320 internists in Maryland

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

Specialties and state licenses

  • Internal medicine, MarylandPrimaryLicense H0075355 · taxonomy 207R00000X

Internists near Dr. Baron

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. Matthew Samual Baron billed Medicare for 1,436 services in 2024

CMS data shows 1,436 Medicare services from Dr. Baron across 20 procedure codes in 2024, for 244 Medicare patients. Medicare paid $101,338 for them. Every service was in an office.

Medicare services, 20241,436
Medicare patients244
Paid by Medicare$101,338
Procedure codes20

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

  • 2023
  • 2024
Office and hospital visits
2023: 1,2612024: 74341%
Other services
2023: 1562024: 441183%
Tests and treatments
2023: 1822024: 1915%
Lab and pathology
2023: 362024: 6169%

Dr. Baron compared with the Maryland median for internists, 2024

  • Dr. Baron
  • Maryland median
Medicare services
1,436vs 6562.2 times
Medicare patients
244vs 251Close to median
Part D claims
3,255vs 30910.5 times

Medians across 3,215 internists in Maryland with Dmand AI profiles that report each measure.

Dr. Baron'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. Baron

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

Dr. Matthew Samual Baron treated 244 Medicare patients in 2024, average age 71

CMS counts 244 Medicare patients who saw Dr. Baron in 2024. The largest group is 65 to 74, with 127 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 18% are also on Medicaid. Their average risk score is 1.24, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Dr. Baron's median patient age at 59, with 37% women.

Medicare patients, 2024244
Average age71
Average risk score1.24
Also on Medicaid18%

Dr. Baron's Medicare patients by age, 2024

Dr. Baron's Medicare patients by sex, 2024

  • Women9840%
  • Men14660%

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

  1. High blood pressure75%
  2. High cholesterol75%
  3. Arthritis50%
  4. Ischemic heart disease44%
  5. Anxiety34%
  6. Diabetes32%
  7. Mood disorders30%
  8. Depression27%

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

Dr. Baron's patients across all payers

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

Patient panel by age, all payers

Median age 59

Patient panel by sex, all payers

  • Women37%
  • Men63%

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

Dr. Matthew Samual Baron wrote 3,769 Medicare Part D claims in 2024

In 2024, Dr. Baron wrote 3,769 Medicare Part D claims for 294 patients. 88% of them were for generic drugs. CMS names the drug for 3,255 of them, across 76 drugs with 11 or more claims each, at $361,644 in total drug cost. In 2023, CMS named 3,351 claims across 81 drugs.

Part D claims, 20243,769
Drugs named by CMS76
Total drug cost$361,644
Part D patients294

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

  • Generic3,332 claims88%
  • Brand-name and other437 claims12%

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

  • Antibiotics2%84 of 3,769 claims
  • Antipsychotics, patients 65 and over1%52 of 3,769 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: 3,3512024: 3,2553%

Drugs named by CMS: 76 in 2024, 81 in 2023.

See all prescribing by Dr. Baron

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. Matthew Samual Baron scored 90 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 90 out of 100 for Dr. Baron for performance year 2024, reported individually. Dr. Baron accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Baron as offering telehealth.

Accepts Medicare assignment
Yes
Offers telehealth
Yes

Dr. Baron's MIPS scores, performance year 2024

  • 90of 100Final score
  • 77.2of 100Quality
  • 100of 100Promoting Interoperability
  • 40of 100Improvement Activities
  • 75of 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. Matthew Samual Baron received $9,290 in industry payments from 2016 to 2025

CMS Open Payments shows 565 general payments to Dr. Baron from 48 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 100% of the total. AstraZeneca Pharmaceuticals LP paid the most, $1,199.

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

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

$9.3Kin total
  • Food and beverage$9,285100%
  • Education$50%

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

Share is of all general payments to this clinician.

See all payments to Dr. Baron

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

Dr. Matthew Samual Baron graduated from Philadelphia College of Osteopathic Medicine

Dr. Baron graduated from Philadelphia College of Osteopathic Medicine in 2007.

  1. Medical schoolPhiladelphia College of Osteopathic Medicine

Source: Dmand AI Professional Profile Data

Sources for Dr. Matthew Samual Baron'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)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. Matthew Samual Baron

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. Matthew Samual Baron's NPI number?

Dr. Matthew Samual Baron's NPI number is 1255513644. It was assigned on November 28, 2007, and it is active in the NPI Registry.

What kind of doctor is Dr. Matthew Samual Baron?

Dr. Matthew Samual Baron is an internist in Baltimore, Maryland. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).

Where does Dr. Matthew Samual Baron practice?

Dr. Baron practices at 301 Saint Paul Place, Baltimore, MD 21202. Dr. Baron's primary practice is Mercy Medical Center in Baltimore, Maryland, part of Mercy Medical Center. Dmand AI also links Dr. Baron to 4 home health agencies and 1 group practice or clinic.

What is Dr. Matthew Samual Baron's office phone number?

The practice phone on file for Dr. Baron is (410) 332-9237.

What is Dr. Matthew Samual Baron's medical license number?

Dr. Baron holds Maryland license H0075355.

Which hospitals is Dr. Matthew Samual Baron affiliated with?

Dr. Baron practices at Mercy Medical Center in Baltimore, Maryland.

What medical group is Dr. Matthew Samual Baron part of?

Dr. Baron is linked to Mercy Family Care Physicians.

Does Dr. Matthew Samual Baron accept Medicare?

Yes. CMS data shows Dr. Baron billed Medicare for 1,436 services in 2024, and Dr. Baron accepts Medicare assignment.

Does Dr. Matthew Samual Baron offer telehealth?

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

What is Dr. Matthew Samual Baron's MIPS score?

Dr. Baron's MIPS final score for performance year 2024 is 90 out of 100, reported individually.

Show 6 more questionsShow fewer questions

How many Medicare patients does Dr. Matthew Samual Baron see?

CMS counts 244 Medicare patients who saw Dr. Baron in 2024, with an average age of 71.

What services does Dr. Matthew Samual Baron bill to Medicare?

In 2024, Dr. Baron's most billed Medicare services were office visit, established patient (99214), medicare service (G2211) and office visit, established patient (99213).

Where did Dr. Matthew Samual Baron go to medical school?

Dr. Baron graduated from Philadelphia College of Osteopathic Medicine in 2007.

What drugs does Dr. Matthew Samual Baron prescribe most?

In 2024 Medicare Part D data, Dr. Baron's most prescribed drugs by claims were Rosuvastatin Calcium, Atorvastatin Calcium and Losartan Potassium.

Has Dr. Matthew Samual Baron received payments from drug or device companies?

CMS Open Payments shows $9,290 in general payments to Dr. Baron from 48 companies from 2016 to 2025. The largest total came from AstraZeneca Pharmaceuticals LP.

How long has Dr. Matthew Samual Baron been practicing?

Dr. Baron graduated from medical school in 2007, 19 years ago.

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