Cathleen Bonacci, MD
Pediatrics Physician · Lowell, MA
Cathleen Bonacci, MD is a pediatrics physician with a practice address in Lowell, Massachusetts, and NPI 1215908660, issued on Feb 1, 2006. Check the license (Massachusetts 211266, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Cathleen Bonacci
- Credential
- MD
- Primary taxonomy
- Pediatrics Physician 208000000X
- License number
- 211266 MA
Self-reported in NPPES; status is on the state search - Practice location
- 597 Merrimack St, Lowell, MA 01854
- Phone
- (978) 937-9700
- Enumerated
- Feb 1, 2006
- Record last updated
- Jul 30, 2008 (not updated in 18 years: call before relying on the address or phone)
- Fax
- (978) 446-9830
- Medicaid ID
- 1305557 MA
- Entity
- Type 1 · individual
8 nearest pediatrics physician records → All 2,628 in Massachusetts → Look up another NPI →
Also registered at 597 Merrimack St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Mary Ellen Conroy, M.D.Pediatrics Physician1346356250
- Patricia Dykstra, MDPediatrics Physician1851365035
Verify Cathleen Bonacci in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 211266Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Cathleen Bonacci among 2,628 pediatrics physician records in Massachusetts
Cathleen Bonacci, MD is one of 2,628 pediatrics physician records with a practice address in Massachusetts. 25% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2006, is newer than 16% of them.
- NPI issued2006 · 16% of these records are older, 48% newer
- In a Medicare fileNo · 25% of these records are
- In the CMS Doctors and Clinicians fileNo · 12% of these records are
- Record last updated2008 · 63% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208000000X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
23 pediatrics physician records list a practice address in Lowell
They are 23 of the 2,992 NPPES records with a practice address in Lowell, and 2,628 pediatrics physician records in Massachusetts. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 2,628 in Massachusetts → Every provider in Lowell → Pediatrics Physician nationwide →
The 8 pediatrics physician records with the nearest ZIP codes
- Rekha Bains, M.D.Lowell, MA 018541770547622
- Purnima Baranwal, MDLowell, MA 018541225243652
- Beril Bayrak, M.D.Lowell, MA 018541366432593
- Mary Ellen Conroy, M.D.Lowell, MA 018541346356250
- Snehlata Dave, M.D.Lowell, MA 018541265405575
- Patricia Dykstra, MDLowell, MA 018541851365035
- Kristen Klemmer Fritz, MDLowell, MA 018541225650369
- Rose PitkinLowell, MA 018541619558434
Common questions
What is Cathleen Bonacci, MD's NPI number?
Cathleen Bonacci, MD's National Provider Identifier (NPI) is 1215908660, issued on Feb 1, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Cathleen Bonacci, MD located?
The NPPES record lists a practice address at 597 Merrimack St, Lowell, MA, 01854. Phone: (978) 937-9700. Providers update this record themselves, so call before visiting.
How can I verify Cathleen Bonacci, MD's license?
NPPES lists Massachusetts license number 211266, 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.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. 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.