Stephen Lo
Psychologist · Boston, MA
Stephen Lo is a psychologist with a practice address in Boston, Massachusetts, and NPI 1851030944, issued on May 27, 2022. Check the license (Massachusetts PSY10000066, as entered in NPPES) with the Massachusetts board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Stephen Lo
- Primary taxonomy
- Psychologist 103T00000X
- License number
- PSY10000066 MA
Self-reported in NPPES; status is on the state search - Practice location
- 55 Fruit St, Boston, MA 02114
- Phone
- (866) 602-1448
- Enumerated
- May 27, 2022
- Record last updated
- Nov 17, 2023
- Medicare enrollment
- Enrolled (PECOS I20231129001925); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest psychologist records → All 2,367 in Massachusetts → Look up another NPI →
Also registered at 55 Fruit St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Taimur AbbasiInternal Medicine Physician1841673522
- Megan Abbott, MDAnesthesiology Physician1730839333
- Moustafa AbdallaStudent in an Organized Health Care Education/Training Program1952046062
- Shadi Abdar Esfahani, MD, MPHDiagnostic Radiology Physician1497137590
Verify Stephen Lo in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Massachusetts board licenses this profession
Search for license PSY10000066Check 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
- The General Hospital CorporationBoston, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Stephen Lo among 2,367 psychologist records in Massachusetts
Stephen Lo is one of 2,367 psychologist records with a practice address in Massachusetts. 11% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2022, is newer than 89% of them.
- NPI issued2022 · 89% of these records are older, 9% newer
- In a Medicare fileYes · 11% of these records are
- In the CMS Doctors and Clinicians fileYes · 21% of these records are
- Graduated2022 · median 1997 among the 487 with a school on file
- Record last updated2023 · 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 103T00000X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
457 psychologist records list a practice address in Boston
They are 457 of the 41,865 NPPES records with a practice address in Boston, and 2,367 psychologist records in Massachusetts.
All 2,367 in Massachusetts → Every provider in Boston → Psychologist nationwide →
The 8 psychologist records with the nearest ZIP codes
- John Ablon, PHDBoston, MA 021141629068929
- Kaaren Bekken, PHDBoston, MA 021141235129842
- Mark Blais, PHDBoston, MA 021141871583047
- Corinne Cather, PHDBoston, MA 021141174513725
- Robin Deutsch, PHDBoston, MA 021141841280658
- Stephen Durant, EDDBoston, MA 021141346230513
- Sherman Eisenthal, PHDBoston, MA 021141598755779
- Amy Farabaugh, PHDBoston, MA 021141427048610
Common questions
What is Stephen Lo's NPI number?
Stephen Lo's National Provider Identifier (NPI) is 1851030944, issued on May 27, 2022. An NPI identifies a provider in billing; it is not a license.
Where is Stephen Lo located?
The NPPES record lists a practice address at 55 Fruit St, Boston, MA, 02114. Phone: (866) 602-1448. Providers update this record themselves, so call before visiting.
How can I verify Stephen Lo's license?
NPPES lists Massachusetts license number PSY10000066, as entered by the provider. 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.