NPPES file of Aug 9, 2026

Gail E. Semigran, MD

Cardiovascular Disease Physician · Boston, MA

Gail E. Semigran, MD is a cardiovascular disease physician with a practice address in Boston, Massachusetts, and NPI 1801872205, issued on Dec 16, 2005. Check the license (Massachusetts 73775, 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
1801872205
Name
Gail E. Semigran
Credential
MD
Primary taxonomy
Cardiovascular Disease Physician 207RC0000X
License number
73775 MA
Self-reported in NPPES; status is on the state search
Practice location
25 New Chardon St, Boston, MA 02114
Phone
(617) 726-1843
Enumerated
Dec 16, 2005
Record last updated
Jul 13, 2026
Medicaid ID
3179028 MA
Medicare enrollment
Enrolled (PECOS I20040614000122); accepts Medicare assignment
Medical or professional school
Harvard Medical School, 1988
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 25 New Chardon St

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

  1. Nicole Chenard, MS, RD, LDNRegistered Dietitian1093255473
  2. Sekar Kathiresan, MDInternal Medicine Physician1134101280
  3. Alfred Kraft, DMDGeneral Practice Dentistry1043323645
  4. Deborah Krivitsky, MS,RD,LDNRegistered Dietitian1851827612
  5. Clare Lamorte, RN,MPHRegistered Nurse1780111476
  6. Nancy McCleary, RNCardiac Rehabilitation Registered Nurse1518493378

Verify Gail E. Semigran 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 73775
    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

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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86% fewer Medicare Part D claims than the average cardiovascular disease physician in 2024

421 Medicare Part D claims for 76 beneficiaries, against an average of 3,078 among the 20,728 providers of this specialty who prescribed in Part D. Brand-name drugs were 9% of claims.

  1. Gail Semigran421
  2. Specialty average3,078

Most prescribed

  1. Metoprolol Succinate88 claims
  2. Atorvastatin Calcium66 claims
  3. Amlodipine Besylate43 claims
  4. Rosuvastatin Calcium27 claims
  5. Lisinopril22 claims
  6. Eliquis18 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.

Bills Medicare through one group practice

  1. Massachusetts General Physicians Organization IncBoston, MA

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

Gail E. Semigran among 1,080 cardiovascular disease physician records in Massachusetts

Gail E. Semigran, MD is one of 1,080 cardiovascular disease physician records with a practice address in Massachusetts. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.

  • NPI issued2005 · 0% of these records are older, 83% newer
  • In a Medicare fileYes · 75% of these records are
  • In the CMS Doctors and Clinicians fileYes · 65% of these records are
  • Graduated1988 · median 2001 among the 698 with a school on file
  • Record last updated2026 · 63% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RC0000X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

476 cardiovascular disease physician records list a practice address in Boston

They are 476 of the 41,865 NPPES records with a practice address in Boston, and 1,080 cardiovascular disease physician records in Massachusetts.

The 8 cardiovascular disease physician records with the nearest ZIP codes

  1. Anjum Butte, MDBoston, MA 021141104807379
  2. William Carlson, MD PHDBoston, MA 021141669462180
  3. Michael Fifer, MDBoston, MA 021141730170630
  4. Edwin Heist, MD PHDBoston, MA 021141255313334
  5. Judy Hung, MDBoston, MA 021141003898461
  6. Calum Macrae, MDBoston, MA 021141467442665
  7. James McFarland, MDBoston, MA 021141497745798
  8. Theofanie Mela, MDBoston, MA 021141366423832

Common questions

What is Gail E. Semigran, MD's NPI number?

Gail E. Semigran, MD's National Provider Identifier (NPI) is 1801872205, issued on Dec 16, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Gail E. Semigran, MD located?

The NPPES record lists a practice address at 25 New Chardon St, Boston, MA, 02114. Phone: (617) 726-1843. Providers update this record themselves, so call before visiting.

How can I verify Gail E. Semigran, MD's license?

NPPES lists Massachusetts license number 73775, 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 Gail E. Semigran, MD prescribe under Medicare Part D?

In 2024, Gail E. Semigran, MD had 421 Medicare Part D claims for 76 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.