Megan O'Brien
Clinical Social Worker · Natick, MA
Megan O'Brien is a clinical social worker with a practice address in Natick, Massachusetts, and NPI 1578600888, issued on Jan 30, 2007. Check the license with the Massachusetts board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Megan O'Brien
- Primary taxonomy
- Clinical Social Worker 1041C0700X
- Practice location
- 67 Union St, Natick, MA 01760
- Phone
- (508) 383-1207
- Enumerated
- Jan 30, 2007
- Record last updated
- May 26, 2015 (not updated in 11 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20150814014730); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest clinical social worker records → All 17,815 in Massachusetts → Look up another NPI →
Also registered at 67 Union St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Stephen Belmonte, M.D.Ophthalmology Physician1942249834
- Robert Berkowitz, M.D.Psychiatry Physician1538183504
- Kristen Bernstein, NPFamily Nurse Practitioner1205948676
Verify Megan O'Brien in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Massachusetts board licenses this professionCheck 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
- Southcoast Physicians Group IncFall River, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Megan O'Brien among 17,815 clinical social worker records in Massachusetts
Megan O'Brien is one of 17,815 clinical social worker records with a practice address in Massachusetts. 8% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 15% of them.
- NPI issued2007 · 15% of these records are older, 70% newer
- In a Medicare fileYes · 8% of these records are
- In the CMS Doctors and Clinicians fileYes · 17% of these records are
- Graduated2008 · median 2004 among the 3,059 with a school on file
- Record last updated2015 · 68% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 1041C0700X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
85 clinical social worker records list a practice address in Natick
They are 85 of the 1,154 NPPES records with a practice address in Natick, and 17,815 clinical social worker records in Massachusetts.
All 17,815 in Massachusetts → Every provider in Natick → Clinical Social Worker nationwide →
The 8 clinical social worker records with the nearest ZIP codes
- Susan Andrew, LICSWNatick, MA 017601225141773
- Betsy Casselman, MSW - LICSWNatick, MA 017601356317788
- Cynthia Chamberlain, LICSWNatick, MA 017601215045489
- Judith Drachman, LICSWNatick, MA 017601902991300
- Martha Dumas, MSWNatick, MA 017601407949761
- Laura DunneNatick, MA 017601013084664
- James Heithmar, MSW LICSWNatick, MA 017601114092210
- Heather Jeronimo, MSW, LICSWNatick, MA 017601255491601
Common questions
What is Megan O'Brien's NPI number?
Megan O'Brien's National Provider Identifier (NPI) is 1578600888, issued on Jan 30, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Megan O'Brien located?
The NPPES record lists a practice address at 67 Union St, Natick, MA, 01760. Phone: (508) 383-1207. Providers update this record themselves, so call before visiting.
How can I verify Megan O'Brien's license?
Search the Massachusetts board that licenses this profession; the NPPES record confirms identity 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.