Mary Bakalos, M.D.
Diagnostic Radiology Physician · Ayer, MA
Mary Bakalos, M.D. is a diagnostic radiology physician with a practice address in Ayer, Massachusetts, and NPI 1629036090, issued on May 3, 2006. Check the license (Massachusetts 154232, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- Mary Bakalos
- Credential
- M.D.
- Primary taxonomy
- Diagnostic Radiology Physician 2085R0202X
- License number
- 154232 MA
Self-reported in NPPES; status is on the state search - Practice location
- 200 Groton RD, Ayer, MA 01432
- Phone
- (978) 784-9270
- Enumerated
- May 3, 2006
- Entity
- Type 1 · individual
Also registered at 200 Groton RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Steven Balser, M.D.Emergency Medical Services (Emergency Medicine) Physician1750468393
- Sanjay Basu, MDInternal Medicine Physician1285682450
- Marie Bennett, FNP-BCFamily Nurse Practitioner1215376405
- Colin Blake, MDAnesthesiology Physician1770565657
- Jessica Blood, RDRegistered Dietitian1174114672
- Gary Donia, MPTPhysical Therapist1033321344
Verify Mary Bakalos in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 154232Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
One hospital or facility affiliation
- L And M Radiology IncLawrence, MA
Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
2 diagnostic radiology physician records list a Ayer practice address
They are 2 of the 118 NPPES records with a Ayer practice address, and 1,484 diagnostic radiology physician records in Massachusetts.
All 2 in Ayer → All 1,484 in Massachusetts → Every provider in Ayer →
Other diagnostic radiology physician records in Massachusetts
- Aly AbayazeedWorcester, MA1821221946
- Mashya Abbassi, MDBoston, MA1114459179
- Gerald Abbott, MDBoston, MA1316935299
- Shadi Abdar Esfahani, MD, MPHBoston, MA1497137590
- Essmaeel Abdel-Dayem, MDSouth Weymouth, MA1427088335
- Scott Abel, MDLowell, MA1124020201
- Godwin Abiola, MDBoston, MA1740645035
- Jeanne Ackman, M.D.Boston, MA1285692897
- Ryan Adams, M.D.Boston, MA1073969481
- Alexander Adduci, MD PHDWest Barnstable, MA1306890017
Common questions
What is Mary Bakalos, M.D.'s NPI number?
Mary Bakalos, M.D.'s National Provider Identifier (NPI) is 1629036090, issued on May 3, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Mary Bakalos, M.D. located?
The NPPES record lists a practice address at 200 Groton RD, Ayer, MA, 01432. Phone: (978) 784-9270. Providers update this record themselves, so call before visiting.
How can I verify Mary Bakalos, M.D.'s license?
NPPES lists Massachusetts license number 154232, as entered by the provider. Search the Massachusetts Board of Registration in Medicine at https://www.mass.gov/orgs/board-of-registration-in-medicine. 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), loaded Aug 27, 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.
Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.