Michael Tarr, MD
Emergency Medicine Physician · Lawrence, MA
Michael Tarr, MD is an emergency medicine physician with a practice address in Lawrence, Massachusetts, and NPI 1528562089, issued on Mar 20, 2018. Check the license (Massachusetts 291839, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- Michael Tarr
- Credential
- MD
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- 291839 MA
Self-reported in NPPES; status is on the state search - Practice location
- 1 General St, Lawrence, MA 01841
- Phone
- (978) 683-4000
- Enumerated
- Mar 20, 2018
- Record last updated
- Sep 12, 2025
- Medicare enrollment
- Enrolled (PECOS I20220718003244); accepts Medicare assignment
- Medical or professional school
- New York Medical College, 2018
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 1,829 in Massachusetts → Look up another NPI →
Also registered at 1 General St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Khalid Algarrahi, M.D.Anatomic Pathology & Clinical Pathology Physician1548793839
- Stephen Amoroso, LICSWClinical Social Worker1891270864
- Meredith Bailey, CRNACertified Registered Nurse Anesthetist1841551827
- Benjamin Bautz, MDEmergency Medicine Physician1124440573
- Meghan BertoneCertified Registered Nurse Anesthetist1417579764
Verify Michael Tarr in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 291839Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
52% fewer Medicare Part D claims than the average emergency medicine physician in 2024
109 Medicare Part D claims for 81 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D.
Most prescribed
- Ibuprofen17 claims
- Ondansetron Hcl15 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
- Community Medical Associates, Inc.Methuen, MA
- Lawrence General HospitalLawrence, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Michael Tarr among 1,829 emergency medicine physician records in Massachusetts
Michael Tarr, MD is one of 1,829 emergency medicine physician records with a practice address in Massachusetts. 82% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2018, is newer than 80% of them.
- NPI issued2018 · 80% of these records are older, 16% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileYes · 66% of these records are
- Graduated2018 · median 2011 among the 1,200 with a school on file
- Record last updated2025 · 57% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
38 emergency medicine physician records list a practice address in Lawrence
They are 38 of the 2,264 NPPES records with a practice address in Lawrence, and 1,829 emergency medicine physician records in Massachusetts.
All 1,829 in Massachusetts → Every provider in Lawrence → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Ylisabyth Bradshaw, D.O.Lawrence, MA 018411760466932
- Susan Browne, M.D.Lawrence, MA 018411821072091
- John Chang, D.O.Lawrence, MA 018411679557326
- Tracy Ferguson, M.D.Lawrence, MA 018411871578716
- Michael Filbin, M.D.Lawrence, MA 018411205811148
- Franklin Friedman, M.D.Lawrence, MA 018411013992965
- Ricardo Gervasio, M.D.Lawrence, MA 018411780669598
- Michelle Harris, M.D.Lawrence, MA 018411831175520
Common questions
What is Michael Tarr, MD's NPI number?
Michael Tarr, MD's National Provider Identifier (NPI) is 1528562089, issued on Mar 20, 2018. An NPI identifies a provider in billing; it is not a license.
Where is Michael Tarr, MD located?
The NPPES record lists a practice address at 1 General St, Lawrence, MA, 01841. Phone: (978) 683-4000. Providers update this record themselves, so call before visiting.
How can I verify Michael Tarr, MD's license?
NPPES lists Massachusetts license number 291839, 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 Michael Tarr, MD prescribe under Medicare Part D?
In 2024, Michael Tarr, MD had 109 Medicare Part D claims for 81 beneficiaries; the average among emergency medicine physician prescribers was 226. 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.