NPPES file of Aug 9, 2026

Peter Zhi Li, M.D.

Internal Medicine Physician · Boston, MA

Peter Zhi Li, M.D. is an internal medicine physician with a practice address in Boston, Massachusetts, and NPI 1154617082, issued on Jun 20, 2011. Check the license (Massachusetts 247832, 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
1154617082
Name
Peter Zhi Li
Credential
M.D.
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
247832 MA
Self-reported in NPPES; status is on the state search
Practice location
800 Washington St, Boston, MA 02111
Phone
(617) 636-5000
Enumerated
Jun 20, 2011
Record last updated
Jun 20, 2011 (not updated in 15 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20140729002861); accepts Medicare assignment
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 800 Washington St

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

  1. Jeffrey Aalberg, MD, MPHSurgery Physician1326788027
  2. Omer Abbak, PHARMDPharmacist1114500337
  3. Aya Abdelnaser, MDStudent in an Organized Health Care Education/Training Program1770425373
  4. Marie Elise Abi Antoun, MDObstetrics & Gynecology Physician1356042626
  5. Ahmad AboalfarajSurgery Physician1538517651
  6. Tala Abu Samaan, MDStudent in an Organized Health Care Education/Training Program1376386250

Verify Peter Zhi Li 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 247832
    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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17% more Medicare Part D claims than the average internal medicine physician in 2024

3,727 Medicare Part D claims for 351 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. 106 claims were for opioids.

  1. Peter Li3,727
  2. Specialty average3,176

Most prescribed

  1. Atorvastatin Calcium391 claims
  2. Lisinopril253 claims
  3. Amlodipine Besylate172 claims
  4. Levothyroxine Sodium127 claims
  5. Losartan Potassium95 claims
  6. Omeprazole90 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.

Industry payments in 2024: $377.43

3 payments; by number, the most common kind was food and beverage; the largest payer was Penumbra, Inc. The 50,334 providers of this specialty with any payment received $1,303.06 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Peter Li$377.43
  2. Specialty average$1,303.06

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through one group practice

  1. Medical Care OF Boston Management CorporationBrookline, MA

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

Peter Zhi Li among 6,825 internal medicine physician records in Massachusetts

Peter Zhi Li, 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 2011, is newer than 65% of them.

  • NPI issued2011 · 65% of these records are older, 33% newer
  • In a Medicare fileYes · 75% of these records are
  • In the CMS Doctors and Clinicians fileYes · 60% of these records are
  • Graduated2011 · median 2004 among the 4,103 with a school on file
  • Record last updated2011 · 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).

2,320 internal medicine physician records list a practice address in Boston

They are 2,320 of the 41,865 NPPES records with a practice address in Boston, and 6,825 internal medicine physician records in Massachusetts.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Dineli Ahearn, M.D.Boston, MA 021111528015922
  2. Ethan Balk, M.D.Boston, MA 021111831136571
  3. Jeanine Carlson, M.D.Boston, MA 021111588603013
  4. Peter Castaldi, M.D.Boston, MA 021111902891062
  5. Daniel Chandler, M.D.Boston, MA 021111760440168
  6. Wambui Chege, M.D.Boston, MA 021111275571549
  7. Kevin Chin, MDBoston, MA 021111568430593
  8. Shira Doron, M.D.Boston, MA 021111831121359

Common questions

What is Peter Zhi Li, M.D.'s NPI number?

Peter Zhi Li, M.D.'s National Provider Identifier (NPI) is 1154617082, issued on Jun 20, 2011. An NPI identifies a provider in billing; it is not a license.

Where is Peter Zhi Li, M.D. located?

The NPPES record lists a practice address at 800 Washington St, Boston, MA, 02111. Phone: (617) 636-5000. Providers update this record themselves, so call before visiting.

How can I verify Peter Zhi Li, M.D.'s license?

NPPES lists Massachusetts license number 247832, 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 Peter Zhi Li, M.D. prescribe under Medicare Part D?

In 2024, Peter Zhi Li, M.D. had 3,727 Medicare Part D claims for 351 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.