Mark Romanowsky, M.D.
Internal Medicine Physician · Lowell, MA
Mark Romanowsky, M.D. is an internal medicine physician with a practice address in Lowell, Massachusetts, and NPI 1578521761, issued on May 4, 2006. Check the license (Massachusetts 43073, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- Mark Romanowsky
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 43073 MA
Self-reported in NPPES; status is on the state search - Practice location
- 33 Bartlett St Ste 204, Lowell, MA 01852
- Phone
- (978) 458-1293
- Enumerated
- May 4, 2006
- Record last updated
- Mar 19, 2015 (not updated in 11 years: call before relying on the address or phone)
- Fax
- (978) 458-6953
- Medicaid ID
- 2070987 MA
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 6,825 in Massachusetts → Look up another NPI →
Also registered at 33 Bartlett St Ste 204
A shared address usually means a shared clinic or building; it does not show who employs whom.
- John Grieveson, MDFamily Medicine Physician1326018813
Verify Mark Romanowsky in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 43073Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
99% fewer Medicare Part D claims than the average internal medicine physician in 2024
36 Medicare Part D claims, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of 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 Romanowsky among 6,825 internal medicine physician records in Massachusetts
Mark Romanowsky, 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 2006, is newer than 12% of them.
- NPI issued2006 · 12% of these records are older, 54% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileNo · 60% of these records are
- Record last updated2015 · 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).
57 internal medicine physician records list a practice address in Lowell
They are 57 of the 2,992 NPPES records with a practice address in Lowell, and 6,825 internal medicine physician records in Massachusetts.
All 6,825 in Massachusetts → Every provider in Lowell → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Zaheer Ahmed, M.D.Lowell, MA 018521346289337
- Margaret Allard, MD MPHLowell, MA 018521528024585
- Alexandra Argasinski, M.D.Lowell, MA 018521508813395
- Peter Bradshaw, M.D.Lowell, MA 018521083770903
- Jack Chang, MDLowell, MA 018521811182041
- Mariana Chemaly, MDLowell, MA 018521811183056
- Shabnam Cheriyath, MDLowell, MA 018521487980116
- Herbert Kleinman, M.D.Lowell, MA 018521396791125
Common questions
What is Mark Romanowsky, M.D.'s NPI number?
Mark Romanowsky, M.D.'s National Provider Identifier (NPI) is 1578521761, issued on May 4, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Mark Romanowsky, M.D. located?
The NPPES record lists a practice address at 33 Bartlett St Ste 204, Lowell, MA, 01852. Phone: (978) 458-1293. Providers update this record themselves, so call before visiting.
How can I verify Mark Romanowsky, M.D.'s license?
NPPES lists Massachusetts license number 43073, 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 Romanowsky, M.D. prescribe under Medicare Part D?
In 2024, Mark Romanowsky, M.D. had 36 Medicare Part D claims; 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.