Dr. Charles Myron Blatt, MD

  • Chestnut Hill, MA
  • Cardiologist
NPI1043277619PAC ID8224077177
Medicare services, 2024
959
Medicare patients, 2024
165
Part D claims, 2024
1,681
Publications
24
Hospital affiliations
1
Practice address
830 Boylston St, Chestnut Hill, MA 02467
Practice phone
Call (617) 732-1318
Professional email
Get professional email
Personal email
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Mobile number
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Social profiles

Primary practice

Lown Cardiovascular Group, Inc.

Chestnut Hill, Massachusetts

See all 6 affiliations

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Dr. Charles Myron Blatt is a cardiologist in Chestnut Hill, Massachusetts

Dr. Blatt practices at Lown Cardiovascular Group, Inc. in Chestnut Hill, Massachusetts.

Dr. Blatt's NPI, 1043277619, was assigned on April 27, 2006. Dr. Blatt graduated from Vagelos College of Physicians and Surgeons in 1978. Dr. Blatt's Massachusetts license number on file is 45860.

NPI and contact details
Medicare PAC ID
8224077177
NPI enumeration date
April 27, 2006
NPI status
Active
Accepts Medicare assignment
Yes
Offers telehealth
Yes
Practice phone
(617) 732-1318
Professional email
Get email
Personal email
Get email
Mobile number
Get number
Sex
Male
Estimated age
74
Medical school graduation
1978

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

Dr. Charles Myron Blatt practices at Lown Cardiovascular Group, Inc. in Chestnut Hill, Massachusetts

Dr. Blatt's primary practice is Lown Cardiovascular Group, Inc., at 830 Boylston St, Chestnut Hill, MA 02467 in Middlesex County. The practice phone is (617) 732-1318.

  • Lown Cardiovascular Group, Inc.
    830 Boylston St, Chestnut Hill, MA 02467 · Middlesex CountyPhone(617) 732-1318

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

Dr. Charles Myron Blatt is affiliated with 4 sites of care and 2 medical groups

Dr. Blatt's primary practice is Lown Cardiovascular Group, Inc. in Chestnut Hill, Massachusetts. Dr. Blatt is also affiliated with Brigham and Women's Hospital. The medical group on file is Lown Group. Dmand AI also links Dr. Blatt to 2 more group practices and clinics and 1 medical group, each named with a free account.

See all 6 affiliations for Dr. Blatt

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

Dmand AI tracks the EHR system at Dr. Charles Myron Blatt's practice

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

EHR by site
SiteEHR vendor and product
Lown Cardiovascular Group, Inc.Available with a free account
+3 more sites and 1 medical groupAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Charles Myron Blatt is one of 840 cardiologists in Massachusetts

Cardiovascular disease is Dr. Blatt's primary specialty in the NPI Registry, under taxonomy code 207RC0000X. Dr. Blatt is board certified in cardiovascular disease by the American Board of Internal Medicine. Dr. Blatt has a license on file in Massachusetts.

Specialties and state licenses

  • Cardiovascular disease, MassachusettsPrimaryLicense 45860 · 1979 to 2025 · taxonomy 207RC0000X

Clinical focus

Dmand AI lists aneurysm, atrial fibrillation and flutter, cardiomyopathy, cerebrovascular disease, chronic hypertension, coronary artery disease, heart blockage and heart failure among the conditions Dr. Blatt treats.

Cardiologists near Dr. Blatt

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

840cardiologists in Massachusetts
6cardiologists in Chestnut Hill

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

Dr. Charles Myron Blatt billed Medicare for 959 services in 2024

CMS data shows 959 Medicare services from Dr. Blatt across 9 procedure codes in 2024, for 165 Medicare patients. Medicare paid $87,296 for them. Every service was in an office.

Medicare services, 2024959
Medicare patients165
Paid by Medicare$87,296
Procedure codes9

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

  • 2023
  • 2024
Tests and treatments
2023: 6302024: 6143%
Office and hospital visits
2023: 3562024: 3453%

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

  • Dr. Blatt
  • Massachusetts median
Medicare services
959vs 1,61241% below
Medicare patients
165vs 95683% below
Part D claims
1,518vs 84679% above

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

Dr. Blatt'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. Blatt

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

Dr. Charles Myron Blatt treated 165 Medicare patients in 2024, average age 79

CMS counts 165 Medicare patients who saw Dr. Blatt in 2024. The largest group is 75 to 84, with 73 patients. 75% of them have high blood pressure, and 75% have high cholesterol. Their average risk score is 1.23, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Dr. Blatt's median patient age at 79, with 40% women.

Medicare patients, 2024165
Average age79
Average risk score1.23

Dr. Blatt's Medicare patients by age, 2024

CMS leaves out age groups with fewer than 11 patients.

Dr. Blatt's Medicare patients by sex, 2024

  • Women7042%
  • Men9558%

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

  1. High blood pressure75%
  2. High cholesterol75%
  3. Arthritis49%
  4. Atrial fibrillation45%
  5. Ischemic heart disease44%
  6. Anxiety30%
  7. Chronic kidney disease25%
  8. Cancer23%

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

Dr. Blatt's patients across all payers

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

Patient panel by age, all payers

Median age 79

Patient panel by sex, all payers

  • Women40%
  • Men60%

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

Dr. Charles Myron Blatt wrote 1,681 Medicare Part D claims in 2024

In 2024, Dr. Blatt wrote 1,681 Medicare Part D claims for 148 patients. 87% of them were for generic drugs. CMS names the drug for 1,518 of them, across 27 drugs with 11 or more claims each, at $228,172 in total drug cost. In 2023, CMS named 1,250 claims across 21 drugs.

Part D claims, 20241,681
Drugs named by CMS27
Total drug cost$228,172
Part D patients148

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

  • Generic1,461 claims87%
  • Brand-name220 claims13%

Dr. Blatt'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: 1,2502024: 1,51821%

Drugs named by CMS: 27 in 2024, 21 in 2023.

See all prescribing by Dr. Blatt

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. Charles Myron Blatt offers telehealth to Medicare patients

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

Accepts Medicare assignment
Yes
Offers telehealth
Yes

Source: Doctors and Clinicians National Downloadable File (CMS)

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Dr. Charles Myron Blatt has 24 publications on record

Dmand AI links 24 papers to Dr. Blatt in 2007. The most frequent topics are Exercise Test, Coronary Disease and Electrocardiography. Dr. Blatt has published most often in Am J Cardiol. Dr. Blatt's most frequent co-authors are Mutaz B. Habal, MD and Thomas Woodrow Smith, MD.

Papers24

Topics Dr. Blatt writes about most

  • Exercise Test
  • Coronary Disease
  • Electrocardiography
  • Anti-Arrhythmia Agents
  • Heart Ventricles
  • Monitoring, Physiologic
  • Arrhythmias, Cardiac
  • Dogs

Dr. Blatt's most frequent co-authors

Recent publications by Dr. Blatt

See all 24 publications and co-authors

See who Dr. Blatt researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Blatt 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. Charles Myron Blatt received $1,429 in industry payments from 2017 to 2024

CMS Open Payments shows 7 general payments to Dr. Blatt from 2 drug and device companies from 2017 to 2024. Travel and lodging make up the largest share, 61% of the total. Boston Scientific Corporation paid the most, $1,357.

General payments to Dr. Blatt by program year, 2017 to 2024

General payments to Dr. Blatt by kind, 2017 to 2024

$1.4Kin total
  • Travel and lodging$87161%
  • Food and beverage$55839%

Companies that paid Dr. Blatt the most, 2017 to 2024

Share is of all general payments to this clinician.

See all payments to Dr. Blatt

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

Dr. Charles Myron Blatt has 2 awards and honors on record

Dmand AI lists 2 awards for Dr. Blatt, most recently CMS Stage 1 2012 in 2011.

Awards and honors for Dr. Blatt

  1. 2011
    • CMS Stage 1 2012
  2. Undated
    • ACC Fellow

Source: Dmand AI Professional Profile Data

Dr. Charles Myron Blatt graduated from Vagelos College of Physicians and Surgeons

Dr. Blatt graduated from Vagelos College of Physicians and Surgeons in 1978. Dr. Blatt is a member of ACC.

  1. Medical schoolVagelos College of Physicians and Surgeons
  2. Board certified in cardiovascular diseaseAmerican Board of Internal Medicine
  3. Board certified in internal medicineAmerican Board of Internal Medicine

Source: Dmand AI Professional Profile Data

Dr. Charles Myron Blatt accepts plans from 15 insurance carriers

Dr. Blatt is in network with 15 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. Medicare plans come from the most carriers, 10. Check the plan with the practice before a visit.

  • Aetna
  • Elevance
  • Blue Cross Blue Shield of Michigan
  • Excellus BlueCross BlueShield
  • United Healthcare
  • Blue Cross Blue Shield of Massachusetts
  • HCSC
  • Humana
  • +7 more carriersWith a free account

Plan types Dr. Blatt accepts, by number of carriers

  1. Medicare10
  2. PPO10
  3. HMO6
  4. POS6
  5. EPO4
  6. Medicaid1

Source: Dmand AI Insurance Network Data

Sources for Dr. Charles Myron Blatt'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)
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)
Awards and committee rolesDmand AI Professional Profile Data
Training, board certification and membershipsDmand AI Professional Profile Data
Insurance carriers and plan typesDmand AI Insurance Network 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. Charles Myron Blatt

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. Charles Myron Blatt's NPI number?

Dr. Charles Myron Blatt's NPI number is 1043277619. It was assigned on April 27, 2006, and it is active in the NPI Registry.

What kind of doctor is Dr. Charles Myron Blatt?

Dr. Charles Myron Blatt is a cardiologist in Chestnut Hill, Massachusetts. The primary specialty in the NPI Registry is Cardiovascular Disease Physician (taxonomy code 207RC0000X).

Where does Dr. Charles Myron Blatt practice?

Dr. Blatt practices at 830 Boylston St, Chestnut Hill, MA 02467. Dr. Blatt's primary practice is Lown Cardiovascular Group, Inc. in Chestnut Hill, Massachusetts. Dmand AI also links Dr. Blatt to 2 group practices and clinics and 1 medical group.

What is Dr. Charles Myron Blatt's office phone number?

The practice phone on file for Dr. Blatt is (617) 732-1318.

What is Dr. Charles Myron Blatt's medical license number?

Dr. Blatt's Massachusetts license number on file is 45860.

Which hospitals is Dr. Charles Myron Blatt affiliated with?

Dr. Blatt is affiliated with Brigham and Women's Hospital.

What medical group is Dr. Charles Myron Blatt part of?

Dr. Blatt is linked to Lown Group. Dmand AI links Dr. Blatt to 1 more medical group.

Does Dr. Charles Myron Blatt accept Medicare?

Yes. CMS data shows Dr. Blatt billed Medicare for 959 services in 2024, and Dr. Blatt accepts Medicare assignment.

Does Dr. Charles Myron Blatt offer telehealth?

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

How many Medicare patients does Dr. Charles Myron Blatt see?

CMS counts 165 Medicare patients who saw Dr. Blatt in 2024, with an average age of 79.

Show 9 more questionsShow fewer questions

Is Dr. Charles Myron Blatt board certified?

Yes. Dr. Blatt is board certified in cardiovascular disease by the American Board of Internal Medicine.

What services does Dr. Charles Myron Blatt bill to Medicare?

In 2024, Dr. Blatt's most billed Medicare services were heart test or procedure (93000), office visit, established patient (99215) and heart test or procedure (93306).

Where did Dr. Charles Myron Blatt go to medical school?

Dr. Blatt graduated from Vagelos College of Physicians and Surgeons in 1978.

What drugs does Dr. Charles Myron Blatt prescribe most?

In 2024 Medicare Part D data, Dr. Blatt's most prescribed drugs by claims were Metoprolol Succinate, Amlodipine Besylate and Eliquis.

Has Dr. Charles Myron Blatt received payments from drug or device companies?

CMS Open Payments shows $1,429 in general payments to Dr. Blatt from 2 companies from 2017 to 2024. The largest total came from Boston Scientific Corporation.

How long has Dr. Charles Myron Blatt been practicing?

Dr. Blatt graduated from medical school in 1978, 48 years ago.

Does Dr. Charles Myron Blatt do research?

Dmand AI links 24 publications to Dr. Blatt.

Who does Dr. Charles Myron Blatt publish with?

Dr. Blatt's most frequent co-authors are Mutaz B. Habal, MD (1 shared paper) and Thomas Woodrow Smith, MD (1 shared paper).

What insurance does Dr. Charles Myron Blatt accept?

Dr. Blatt is in network with 15 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. Medicare plans come from the most carriers, 10. Check the plan with the practice before a visit.

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