Liesbeth Tryzelaar, MD
Internal Medicine Physician · Beverly, MA
Liesbeth Tryzelaar, MD is an internal medicine physician with a practice address in Beverly, Massachusetts, and NPI 1316106297, issued on Jun 5, 2008. Check the license (Massachusetts 237552, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- Liesbeth Tryzelaar
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 237552 MA
Self-reported in NPPES; status is on the state search - Practice location
- 100 Cummings Ctr Ste 166D, Beverly, MA 01915
- Phone
- (978) 712-3360
- Enumerated
- Jun 5, 2008
- Record last updated
- Dec 11, 2012 (not updated in 14 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20240617000718); accepts Medicare assignment
- Medical or professional school
- Tufts University School Of Medicine, 2008
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 6,825 in Massachusetts → Look up another NPI →
Also registered at 100 Cummings Ctr Ste 166D
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Michael Butler, LPNLicensed Practical Nurse1366225047
- Danielle Cote, LPTAPhysical Therapy Assistant1548724057
- Catherine FrontieroLicensed Practical Nurse1144867896
- Lauren HayesPhysical Therapist1629775978
- Diane Knight-Barkowski, RNRegistered Nurse1477198448
- Deborah McDonaldLicensed Practical Nurse1235710526
Verify Liesbeth Tryzelaar in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 237552Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
93% fewer Medicare Part D claims than the average internal medicine physician in 2024
224 Medicare Part D claims for 80 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.
Most prescribed
- Tamsulosin Hcl20 claims
- Finasteride18 claims
- Cefpodoxime Proxetil14 claims
- Atenolol11 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
- Mass General Brigham Medical Group Suburban Massachusetts IncNewton, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Liesbeth Tryzelaar among 6,825 internal medicine physician records in Massachusetts
Liesbeth Tryzelaar, 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 2008, is newer than 55% of them.
- NPI issued2008 · 55% of these records are older, 40% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 60% of these records are
- Graduated2008 · median 2004 among the 4,103 with a school on file
- Record last updated2012 · 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).
37 internal medicine physician records list a practice address in Beverly
They are 37 of the 2,169 NPPES records with a practice address in Beverly, and 6,825 internal medicine physician records in Massachusetts.
All 6,825 in Massachusetts → Every provider in Beverly → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Eric Bachman, MDBeverly, MA 019151326016148
- Walid Bader, D.O.Beverly, MA 019151134184161
- Cynthia Bjorlie, MDBeverly, MA 019151861489270
- Eric Chun, MDBeverly, MA 019151700826872
- Sabrina Haas, MDBeverly, MA 019151528002631
- Alyssa Handler, M.D.Beverly, MA 019151114985744
- Agnes Jimenez, M.D.Beverly, MA 019151235186602
- Bushra Khan, MDBeverly, MA 019151205882966
Common questions
What is Liesbeth Tryzelaar, MD's NPI number?
Liesbeth Tryzelaar, MD's National Provider Identifier (NPI) is 1316106297, issued on Jun 5, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Liesbeth Tryzelaar, MD located?
The NPPES record lists a practice address at 100 Cummings Ctr Ste 166D, Beverly, MA, 01915. Phone: (978) 712-3360. Providers update this record themselves, so call before visiting.
How can I verify Liesbeth Tryzelaar, MD's license?
NPPES lists Massachusetts license number 237552, 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 Liesbeth Tryzelaar, MD prescribe under Medicare Part D?
In 2024, Liesbeth Tryzelaar, MD had 224 Medicare Part D claims for 80 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.