Julie Rombaut O'Connor, M.D.
Family Medicine Physician · Lowell, MA
Julie Rombaut O'Connor, M.D. is a family medicine physician with a practice address in Lowell, Massachusetts, and NPI 1528389863, issued on Jun 22, 2010. Check the license (Massachusetts 257149, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- Julie Rombaut O'Connor
- Credential
- M.D.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License numbers
- 257149 MA
LP01908 RI
Self-reported in NPPES; status is on the state search - Practice location
- 1081 Varnum Ave, Lowell, MA 01854
- Phone
- (978) 427-6810
- Enumerated
- Jun 22, 2010
- Record last updated
- Jan 15, 2020 (not updated in 6 years: call before relying on the address or phone)
- Fax
- (978) 427-6887
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 2,265 in Massachusetts → Look up another NPI →
Also registered at 1081 Varnum Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Julie Rombaut O'Connor in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 257149Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
100% fewer Medicare Part D claims than the average family medicine physician in 2024
12 Medicare Part D claims, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D.
Most prescribed
- Memantine Hcl Er11 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.
Julie Rombaut O'Connor among 2,265 family medicine physician records in Massachusetts
Julie Rombaut O'Connor, M.D. is one of 2,265 family medicine physician records with a practice address in Massachusetts. 80% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2010, is newer than 61% of them.
- NPI issued2010 · 61% of these records are older, 37% newer
- In a Medicare fileYes · 80% of these records are
- In the CMS Doctors and Clinicians fileNo · 68% of these records are
- Record last updated2020 · 59% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Family Medicine Physician providers in Massachusetts
There are 2,265 family medicine physician records in Massachusetts.
All 2,265 in Massachusetts → Every provider in Lowell → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Diane Epstein, MSN,FNPLowell, MA 018541932266343
- Namita Tiwari, MDLowell, MA 018541437417854
- Majed Abbas, MDLowell, MA 018521346827870
- Muthulakshimi Arumugam, MSN, FNPLowell, MA 018521871277251
- Margarita Castro-Zarraga, M.D.Lowell, MA 018521578705679
- Deepthi Desai, MDLowell, MA 018521144762998
- Jessica Fournier, MDLowell, MA 018521437719135
- John Grieveson, MDLowell, MA 018521326018813
Common questions
What is Julie Rombaut O'Connor, M.D.'s NPI number?
Julie Rombaut O'Connor, M.D.'s National Provider Identifier (NPI) is 1528389863, issued on Jun 22, 2010. An NPI identifies a provider in billing; it is not a license.
Where is Julie Rombaut O'Connor, M.D. located?
The NPPES record lists a practice address at 1081 Varnum Ave, Lowell, MA, 01854. Phone: (978) 427-6810. Providers update this record themselves, so call before visiting.
How can I verify Julie Rombaut O'Connor, M.D.'s license?
NPPES lists Massachusetts license number 257149, 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 Julie Rombaut O'Connor, M.D. prescribe under Medicare Part D?
In 2024, Julie Rombaut O'Connor, M.D. had 12 Medicare Part D claims; the average among family medicine physician prescribers was 3,544. 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.