James E. Liebmann, MD
Medical Oncology Physician · Worcester, MA
James E. Liebmann, MD is a medical oncology physician with a practice address in Worcester, Massachusetts, and NPI 1477556587, issued on May 23, 2005. Check the license (Massachusetts 238144, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- James E. Liebmann
- Credential
- MD
- Primary taxonomy
- Medical Oncology Physician 207RX0202X
- License number
- 238144 MA
Self-reported in NPPES; status is on the state search - Practice location
- 55 Lake Ave N, Worcester, MA 01655
- Phone
- (508) 334-7098
- Enumerated
- May 23, 2005
- Record last updated
- Jun 29, 2017 (not updated in 9 years: call before relying on the address or phone)
- Fax
- (508) 856-6715
- Medicaid ID
- 21384 NM
- Medicare enrollment
- Enrolled (PECOS I20081106000086); accepts Medicare assignment
- Medical or professional school
- University Of California, San Francisco School Of Medicine, 1983
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest medical oncology physician records → All 421 in Massachusetts → Look up another NPI →
Also registered at 55 Lake Ave N
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify James E. Liebmann in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 238144Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
32% more Medicare Part D claims than the average medical oncology physician in 2024
929 Medicare Part D claims for 207 beneficiaries, against an average of 703 among the 4,230 providers of this specialty who prescribed in Part D. Brand-name drugs were 17% of claims. 126 claims were for opioids.
Most prescribed
- Anastrozole146 claims
- Oxycodone Hcl44 claims
- Prednisone34 claims
- Hydroxyurea33 claims
- Prochlorperazine Maleate31 claims
- Tamoxifen Citrate29 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.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- Beth Israel Lahey Health Specialty Care, Inc.Gloucester, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
James E. Liebmann among 421 medical oncology physician records in Massachusetts
James E. Liebmann, MD is one of 421 medical oncology physician records with a practice address in Massachusetts. 76% 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, 90% newer
- In a Medicare fileYes · 76% of these records are
- In the CMS Doctors and Clinicians fileYes · 69% of these records are
- Graduated1983 · median 2007 among the 291 with a school on file
- Record last updated2017 · 51% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RX0202X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Medical Oncology Physician providers in Massachusetts
There are 421 medical oncology physician records in Massachusetts.
All 421 in Massachusetts → Every provider in Worcester → Medical Oncology Physician nationwide →
The 8 medical oncology physician records with the nearest ZIP codes
- John Krikorian, M.D.Framingham, MA 017021104851286
- Jack Leitner, MDFramingham, MA 017021205975067
- James O'Shea, M.D.Worcester, MA 016081962564153
- Vivek Samnotra, MDFramingham, MA 017021285665935
- Daniel Lee, M.D., PHDWorcester, MA 016051023175593
- Kimberly Brennan, D.O.Concord, MA 017421487838744
- Charles Rosenbaum, M.D.Marlborough, MA 017521922049147
- Daniel Fein, M.D.Milford, MA 017571053791707
Common questions
What is James E. Liebmann, MD's NPI number?
James E. Liebmann, MD's National Provider Identifier (NPI) is 1477556587, issued on May 23, 2005. An NPI identifies a provider in billing; it is not a license.
Where is James E. Liebmann, MD located?
The NPPES record lists a practice address at 55 Lake Ave N, Worcester, MA, 01655. Phone: (508) 334-7098. Providers update this record themselves, so call before visiting.
How can I verify James E. Liebmann, MD's license?
NPPES lists Massachusetts license number 238144, 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 James E. Liebmann, MD prescribe under Medicare Part D?
In 2024, James E. Liebmann, MD had 929 Medicare Part D claims for 207 beneficiaries; the average among medical oncology physician prescribers was 703. Part D covers Medicare prescriptions only.
What is James E. Liebmann, MD'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.