NPPES file of Aug 9, 2026

Lydecke B. Sweet, MD

Internal Medicine Physician · Charlestown, MA

Lydecke B. Sweet, MD is an internal medicine physician with a practice address in Charlestown, Massachusetts, and NPI 1639160146, issued on Nov 3, 2005. Check the license (Massachusetts 212913, 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
1639160146
Name
Lydecke B. Sweet
Credential
MD
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
212913 MA
Self-reported in NPPES; status is on the state search
Practice location
73 High St, Charlestown, MA 02129
Phone
(617) 724-8135
Enumerated
Nov 3, 2005
Record last updated
Feb 14, 2014 (not updated in 12 years: call before relying on the address or phone)
Fax
(617) 724-8010
Medicaid ID
0183857 MA
Medicare enrollment
Enrolled (PECOS I20080424000749); accepts Medicare assignment
Medical or professional school
Boston University School Of Medicine, 1999
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 73 High St

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

  1. Quinn Almerico-Leclair, LICSWClinical Social Worker1902158173
  2. Chelsea AtzingerClinical Social Worker1093452187
  3. Christina Biagiotti, P.T.Physical Therapist1942337704
  4. Robin BleicherClinical Social Worker1104717289
  5. Tiara Calhoun, MDPulmonary Disease Physician1902326101
  6. Sara Callahan, FNPFamily Nurse Practitioner1942722533

Verify Lydecke B. Sweet 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 212913
    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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94% more Medicare Part D claims than the average internal medicine physician in 2024

6,174 Medicare Part D claims for 410 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 16% of claims. 103 claims were for opioids.

  1. Lydecke Sweet6,174
  2. Specialty average3,176

Most prescribed

  1. Atorvastatin Calcium461 claims
  2. Amlodipine Besylate295 claims
  3. Omeprazole278 claims
  4. Levothyroxine Sodium220 claims
  5. Lisinopril189 claims
  6. Eliquis154 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 2 group practices

  1. Massachusetts General Physicians Organization IncBoston, MA
  2. The General Hospital CorporationBoston, MA

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

Lydecke B. Sweet among 6,825 internal medicine physician records in Massachusetts

Lydecke B. Sweet, MD is one of 6,825 internal medicine 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, 88% newer
  • In a Medicare fileYes · 75% of these records are
  • In the CMS Doctors and Clinicians fileYes · 60% of these records are
  • Graduated1999 · median 2004 among the 4,103 with a school on file
  • Record last updated2014 · 64% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

12 internal medicine physician records list a practice address in Charlestown

They are 12 of the 421 NPPES records with a practice address in Charlestown, and 6,825 internal medicine physician records in Massachusetts.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Hugo Calavia Liano, MDBoston, MA 021291568026367
  2. Caitlin Cohen, MDCharlestown, MA 021291710368121
  3. Michael Garrity, MDCharlestown, MA 021291932181369
  4. Lauren Glickman, MDCharlestown, MA 021291508856808
  5. Rajani Larocca, MDCharlestown, MA 021291144204884
  6. Wei Sum Li, M.D.Charlestown, MA 021291629425046
  7. Joyce Liu, MDCharlestown, MA 021291144395179
  8. Cheryl Monteiro, MDCharlestown, MA 021291649700253

Common questions

What is Lydecke B. Sweet, MD's NPI number?

Lydecke B. Sweet, MD's National Provider Identifier (NPI) is 1639160146, issued on Nov 3, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Lydecke B. Sweet, MD located?

The NPPES record lists a practice address at 73 High St, Charlestown, MA, 02129. Phone: (617) 724-8135. Providers update this record themselves, so call before visiting.

How can I verify Lydecke B. Sweet, MD's license?

NPPES lists Massachusetts license number 212913, 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 Lydecke B. Sweet, MD prescribe under Medicare Part D?

In 2024, Lydecke B. Sweet, MD had 6,174 Medicare Part D claims for 410 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.