Brian B. Guarnotta, M.D.
Pediatrics Physician · Braintree, MA
Brian B. Guarnotta, M.D. is a pediatrics physician with a practice address in Braintree, Massachusetts, and NPI 1255319885, issued on Jan 4, 2006. Check the license (Massachusetts 159199, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- Brian B. Guarnotta
- Credential
- M.D.
- Primary taxonomy
- Pediatrics Physician 208000000X
- License number
- 159199 MA
Self-reported in NPPES; status is on the state search - Practice location
- 111 Grossman Dr, Braintree, MA 02184
- Phone
- (781) 849-2300
- Enumerated
- Jan 4, 2006
- Record last updated
- Jan 28, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (781) 849-2377
- Medicaid ID
- 0108511 MA
- Medicare enrollment
- Enrolled (PECOS I20121204000482); accepts Medicare assignment
- Medical or professional school
- University Of South Carolina School Of Medicine, 1992
- Entity
- Type 1 · individual
8 nearest pediatrics physician records → All 2,628 in Massachusetts → Look up another NPI →
Also registered at 111 Grossman Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Deborah Antos, PAMedical Physician Assistant1295798437
- Peter Barrant, M.D.Pediatrics Physician1215913835
- Caitlin Bast, DNPAdult Health Nurse Practitioner1558945071
- Gail Bean, NPNurse Practitioner1992774137
- Vicki Beggs, PHDPsychologist1104877539
- Elvira Belenky, PAMedical Physician Assistant1316901507
Verify Brian B. Guarnotta in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 159199Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Bills Medicare through one group practice
- Atrius Health IncBoston, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Brian B. Guarnotta among 2,628 pediatrics physician records in Massachusetts
Brian B. Guarnotta, M.D. 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. Its NPI, issued in 2006, is newer than 16% of them.
- NPI issued2006 · 16% of these records are older, 48% newer
- In a Medicare fileYes · 25% of these records are
- In the CMS Doctors and Clinicians fileYes · 12% of these records are
- Graduated1992 · median 2010 among the 319 with a school on file
- Record last updated2021 · 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).
17 pediatrics physician records list a practice address in Braintree
They are 17 of the 991 NPPES records with a practice address in Braintree, and 2,628 pediatrics physician records in Massachusetts.
All 2,628 in Massachusetts → Every provider in Braintree → Pediatrics Physician nationwide →
The 8 pediatrics physician records with the nearest ZIP codes
- Peter Barrant, M.D.Braintree, MA 021841215913835
- Jonathan Brenner, M.D., M.P.HBraintree, MA 021841053501189
- Jean Brodnax, M.D.Braintree, MA 021841134117096
- Michele Greenwald, M.D.Braintree, MA 021841124006754
- Thomas Hathaway, M.D.Braintree, MA 021841972581411
- Katherine Jin, MDBraintree, MA 021841730147760
- Mitzi Johnson, MDBraintree, MA 021841497887293
- Laura McCullough, M.D.Braintree, MA 021841417114695
Common questions
What is Brian B. Guarnotta, M.D.'s NPI number?
Brian B. Guarnotta, M.D.'s National Provider Identifier (NPI) is 1255319885, issued on Jan 4, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Brian B. Guarnotta, M.D. located?
The NPPES record lists a practice address at 111 Grossman Dr, Braintree, MA, 02184. Phone: (781) 849-2300. Providers update this record themselves, so call before visiting.
How can I verify Brian B. Guarnotta, M.D.'s license?
NPPES lists Massachusetts license number 159199, 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. 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.