NPPES file of Aug 9, 2026

Charles Myron Blatt, MD

Cardiovascular Disease Physician · Brookline, MA

Charles Myron Blatt, MD is a cardiovascular disease physician with a practice address in Brookline, Massachusetts, and NPI 1043277619, issued on Apr 27, 2006. Check the license (Massachusetts 45860, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1043277619
Name
Charles Myron Blatt
Credential
MD
Primary taxonomy
Cardiovascular Disease Physician 207RC0000X
License number
45860 MA
Self-reported in NPPES; status is on the state search
Practice location
21 Longwood Ave, Brookline, MA 02446
Phone
(617) 732-1318
Enumerated
Apr 27, 2006
Record last updated
Feb 25, 2010 (not updated in 16 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20050429000172); accepts Medicare assignment
Medical or professional school
Columbia University College Of Physicians And Surgeons, 1978
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 21 Longwood Ave

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Sima Kasraie, DMDGeneral Practice Dentistry1831959345
  2. George Koch, D.M.D.Endodontics1528410321
  3. Stephanie LeeDentist1215637525
  4. Dara Lee Lewis, MDCardiovascular Disease Physician1578692018
  5. Wilfred Mamuya, MD PHDCardiovascular Disease Physician1215999255
  6. Shmuel Ravid, MD MPHCardiovascular Disease Physician1699731885

Verify Charles Myron Blatt in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
    Search for license 45860
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Massachusetts license search

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45% fewer Medicare Part D claims than the average cardiovascular disease physician in 2024

1,681 Medicare Part D claims for 148 beneficiaries, against an average of 3,078 among the 20,728 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims.

  1. Charles Blatt1,681
  2. Specialty average3,078

Most prescribed

  1. Metoprolol Succinate195 claims
  2. Amlodipine Besylate168 claims
  3. Eliquis138 claims
  4. Rosuvastatin Calcium113 claims
  5. Lisinopril110 claims
  6. Losartan Potassium100 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Industry payments in 2024: $51.07

2 payments; by number, the most common kind was food and beverage; the largest payer was Heartflow, Inc. The 16,686 providers of this specialty with any payment received $3,819.56 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Charles Blatt$51.07
  2. Specialty average$3,819.56

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through one group practice

  1. Lown Medical Group PLLCChestnut Hill, MA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Cardiovascular Disease Physician providers in Massachusetts

There are 1,080 cardiovascular disease physician records in Massachusetts.

Other cardiovascular disease physician records in Massachusetts

  1. Mahmoud Abdelghany, M.D.Springfield, MA1134479629
  2. Rishard Abdul, M.B.B.SSpringfield, MA1114412830
  3. Saeed Abughazaleh, MDSpringfield, MA1427782762
  4. Subasit Acharji, MDLeominster, MA1225246358
  5. Kenneth Adams, M.D.Haverhill, MA1720082787
  6. Nicholas Adamstein, MDBoston, MA1548897218
  7. Dale Adler, M.D.Boston, MA1295769966
  8. Nadeem Afridi, MDNewburyport, MA1619961372
  9. Hanna Ahmed, M.DWorcester, MA1417111428
  10. Mashrafi Ahmed, M.DSpringfield, MA1265759328

Common questions

What is Charles Myron Blatt, MD's NPI number?

Charles Myron Blatt, MD's National Provider Identifier (NPI) is 1043277619, issued on Apr 27, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Charles Myron Blatt, MD located?

The NPPES record lists a practice address at 21 Longwood Ave, Brookline, MA, 02446. Phone: (617) 732-1318. Providers update this record themselves, so call before visiting.

How can I verify Charles Myron Blatt, MD's license?

NPPES lists Massachusetts license number 45860, as entered by the provider. Search the Massachusetts Board of Registration in Medicine at https://findmydoctor.mass.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Charles Myron Blatt, MD prescribe under Medicare Part D?

In 2024, Charles Myron Blatt, MD had 1,681 Medicare Part D claims for 148 beneficiaries; the average among cardiovascular disease physician prescribers was 3,078. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.