NPPES file of Aug 9, 2026

Elizabeth P. Lo, M.D.

Internal Medicine Physician · Burlington, MA

Elizabeth P. Lo, M.D. is an internal medicine physician with a practice address in Burlington, Massachusetts, and NPI 1598981060, issued on Apr 17, 2007. Check the license (Massachusetts 239115, 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 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1598981060
Name
Elizabeth P. Lo
Credential
M.D.
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
239115 MA
Self-reported in NPPES; status is on the state search
Practice location
67 S Bedford St Ste 202E, Burlington, MA 01803
Phone
(781) 744-7000
Enumerated
Apr 17, 2007
Record last updated
Apr 14, 2021 (not updated in 5 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20090623000640); accepts Medicare assignment
Medical or professional school
Johns Hopkins University School Of Medicine, 2006
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 67 S Bedford St Ste 202E

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

  1. Stacey Anderson, NPNurse Practitioner1659685253
  2. Bethany Arguello, PA-CPhysician Assistant1295075992
  3. Marissa Baltus, MDInternal Medicine Physician1942308796
  4. Michael Berarducci, MDInternal Medicine Physician1447358270
  5. Joshua Berkowitz, M.D.Internal Medicine Physician1891802633
  6. Robert Brew, M.D.Internal Medicine Physician1356449409

Verify Elizabeth P. Lo 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 239115
    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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44% more Medicare Part D claims than the average internal medicine physician in 2024

4,564 Medicare Part D claims for 754 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 8% of claims. 20 claims were for opioids.

  1. Elizabeth Lo4,564
  2. Specialty average3,176

Most prescribed

  1. Atorvastatin Calcium746 claims
  2. Lisinopril280 claims
  3. Amlodipine Besylate249 claims
  4. Levothyroxine Sodium203 claims
  5. Simvastatin162 claims
  6. Rosuvastatin Calcium158 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.

The MIPS final score for 2023 (Medicare payment program): 91.4 of 100

The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score76.9
  2. Costnot scored (reweighted)
  3. Promoting interoperabilityout of 100 · 25%100.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).

Bills Medicare through one group practice

  1. Lahey Clinic IncBurlington, MA

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

Elizabeth P. Lo among 6,825 internal medicine physician records in Massachusetts

Elizabeth P. Lo, M.D. 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 2007, is newer than 46% of them.

  • NPI issued2007 · 46% of these records are older, 45% newer
  • In a Medicare fileYes · 75% of these records are
  • In the CMS Doctors and Clinicians fileYes · 60% of these records are
  • Graduated2006 · median 2004 among the 4,103 with a school on file
  • Record last updated2021 · 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).

144 internal medicine physician records list a practice address in Burlington

They are 144 of the 2,620 NPPES records with a practice address in Burlington, and 6,825 internal medicine physician records in Massachusetts.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Joshua Berkowitz, M.D.Burlington, MA 018031891802633
  2. Michael Britt, MD IDBurlington, MA 018031831186071
  3. Betsey Crawford, M.D.Burlington, MA 018031629174859
  4. Stephen Dong, M.D.Burlington, MA 018031437122470
  5. Jeffrey Gorvine, M.D.Burlington, MA 018031376553636
  6. Richard Kalish, MDBurlington, MA 018031154394955
  7. Sheri Keitz, MD, PHDBurlington, MA 018031336179514
  8. David Longworth, MDBurlington, MA 018031811092869

Common questions

What is Elizabeth P. Lo, M.D.'s NPI number?

Elizabeth P. Lo, M.D.'s National Provider Identifier (NPI) is 1598981060, issued on Apr 17, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Elizabeth P. Lo, M.D. located?

The NPPES record lists a practice address at 67 S Bedford St Ste 202E, Burlington, MA, 01803. Phone: (781) 744-7000. Providers update this record themselves, so call before visiting.

How can I verify Elizabeth P. Lo, M.D.'s license?

NPPES lists Massachusetts license number 239115, 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 Elizabeth P. Lo, M.D. prescribe under Medicare Part D?

In 2024, Elizabeth P. Lo, M.D. had 4,564 Medicare Part D claims for 754 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.

What is Elizabeth P. Lo, M.D.'s MIPS final score?

The 2023 MIPS final score is 91.4 of 100. The average among 454,083 clinicians with a measured score was 83.5.

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.