Mark Liponis, M.D.
Internal Medicine Physician · Lenox, MA
Mark Liponis, M.D. is an internal medicine physician with a practice address in Lenox, Massachusetts, and NPI 1679616452, issued on Feb 14, 2007. Check the license (Massachusetts 54666, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- Mark Liponis
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 54666 MA
Self-reported in NPPES; status is on the state search - Practice location
- 45 Walker St Ste 1, Lenox, MA 01240
- Phone
- (413) 881-4075
- Enumerated
- Feb 14, 2007
- Record last updated
- Apr 22, 2019 (not updated in 7 years: call before relying on the address or phone)
- Fax
- (413) 551-7173
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 6,825 in Massachusetts → Look up another NPI →
Verify Mark Liponis in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 54666Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
84% fewer Medicare Part D claims than the average internal medicine physician in 2024
505 Medicare Part D claims for 49 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 19% of claims.
Most prescribed
- Rosuvastatin Calcium31 claims
- Valsartan29 claims
- Alprazolam18 claims
- Doxazosin Mesylate17 claims
- Losartan Potassium16 claims
- Metoprolol Succinate16 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.
Mark Liponis among 6,825 internal medicine physician records in Massachusetts
Mark Liponis, 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 fileNo · 60% of these records are
- Record last updated2019 · 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).
8 internal medicine physician records list a practice address in Lenox
They are 8 of the 120 NPPES records with a practice address in Lenox, and 6,825 internal medicine physician records in Massachusetts.
All 6,825 in Massachusetts → Every provider in Lenox → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Nada Esa, MDLenox, MA 012401558713065
- Cynthia Geyer, M.D.Lenox, MA 012401235144528
- John Hickey, MDLenox, MA 012401649217423
- Terra Lampiasi, D.O.Lenox, MA 012401417397803
- Todd LepineLenox, MA 012401225090079
- Amanda Staples Opperman, DOLenox, MA 012401265745350
- Terry Weaver, M.D.Lenox, MA 012401831390129
- Stephanie Shapiro, M.D.Cambridge, MA 012391487693487
Common questions
What is Mark Liponis, M.D.'s NPI number?
Mark Liponis, M.D.'s National Provider Identifier (NPI) is 1679616452, issued on Feb 14, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Mark Liponis, M.D. located?
The NPPES record lists a practice address at 45 Walker St Ste 1, Lenox, MA, 01240. Phone: (413) 881-4075. Providers update this record themselves, so call before visiting.
How can I verify Mark Liponis, M.D.'s license?
NPPES lists Massachusetts license number 54666, 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 Mark Liponis, M.D. prescribe under Medicare Part D?
In 2024, Mark Liponis, M.D. had 505 Medicare Part D claims for 49 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.