Daniel Robert O'Brien, D.M.D.
General Practice Dentistry · Marlborough, MA
Daniel Robert O'Brien, D.M.D. is a general practice dentistry with a practice address in Marlborough, Massachusetts, and NPI 1588856991, issued on Aug 10, 2007. Check the license (Massachusetts 17502, as entered in NPPES) with the Massachusetts board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Daniel Robert O'Brien
- Credential
- D.M.D.
- Primary taxonomy
- General Practice Dentistry 1223G0001X
- License number
- 17502 MA
Self-reported in NPPES; status is on the state search - Practice location
- 340 Maple St, Marlborough, MA 01752
- Phone
- (508) 481-0110
- Enumerated
- Aug 10, 2007
- Record last updated
- Aug 10, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (508) 481-7110
- Entity
- Type 1 · individual
Also registered at 340 Maple St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Lauren Abraham, LICSWMental Health Counselor1932503745
- Deborah Aisenberg, LICSWSocial Worker1174587273
- Nicole Alleca, M.S. CF-SLPSpeech-Language Pathologist1649596065
- Heather AntanavicaMental Health Counselor1013620608
- Suzanne ArtemieffSocial Worker1851444327
- John Attram, M.ED.Counselor1104976992
Verify Daniel Robert O'Brien in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Massachusetts board licenses this profession
Search for license 17502Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
49% fewer Medicare Part D claims than the average general practice dentistry in 2024
42 Medicare Part D claims for 26 beneficiaries, against an average of 83 among the 70,290 providers of this specialty who prescribed in Part D.
Most prescribed
- Amoxicillin28 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.
33 general practice dentistry records list a practice address in Marlborough
They are 33 of the 3,071 NPPES records with a practice address in Marlborough, and 3,489 general practice dentistry records in Massachusetts.
All 33 in Marlborough → All 3,489 in Massachusetts → Every provider in Marlborough →
Other general practice dentistry records in Massachusetts
- Mark Aaron, DMDGreat Barrington, MA1902020902
- Heidi Aaronson, D.M.D.Wellesley, MA1134375652
- Jamil Abbasy, DMDSouthampton, MA1992988026
- Sama Abdul-Aziz, DMDBoston, MA1427543610
- Muhannad AbdulghaniBrockton, MA1326806654
- Noor AbdulkareemQuincy, MA1932809662
- Asma AbdullahShrewsbury, MA1225301237
- Abdulaziz Abdulwahed, BDSBoston, MA1730637414
- Sabahat Abernethy, DMD, CAGSAbington, MA1518089903
- Rana Abood, DMDBoston, MA1376660936
Common questions
What is Daniel Robert O'Brien, D.M.D.'s NPI number?
Daniel Robert O'Brien, D.M.D.'s National Provider Identifier (NPI) is 1588856991, issued on Aug 10, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Daniel Robert O'Brien, D.M.D. located?
The NPPES record lists a practice address at 340 Maple St, Marlborough, MA, 01752. Phone: (508) 481-0110. Providers update this record themselves, so call before visiting.
How can I verify Daniel Robert O'Brien, D.M.D.'s license?
NPPES lists Massachusetts license number 17502, as entered by the provider. Search the Massachusetts board that licenses this profession; the NPPES record confirms identity only.
How much does Daniel Robert O'Brien, D.M.D. prescribe under Medicare Part D?
In 2024, Daniel Robert O'Brien, D.M.D. had 42 Medicare Part D claims for 26 beneficiaries; the average among general practice dentistry prescribers was 83. 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.