Registry data as of Aug 27, 2026

Corey O'Brien, PHARM.D.

Pharmacotherapy Pharmacist · Hanson, MA

Corey O'Brien, PHARM.D. is a pharmacotherapy pharmacist with a practice address in Hanson, Massachusetts, and NPI 1710475421, issued on Apr 27, 2018. Check the license (Massachusetts PH233692, as entered in NPPES) with the Massachusetts board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.

Record from CMS NPPES, loaded Aug 27, 2026 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1710475421
Name
Corey O'Brien
Credential
PHARM.D.
Primary taxonomy
Pharmacotherapy Pharmacist 1835P1200X
License number
PH233692 MA
Self-reported in NPPES; status is on the state search
Practice location
66 Hammond RD, Hanson, MA 02341
Phone
(201) 390-0587
Enumerated
Apr 27, 2018
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Verify Corey O'Brien in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Massachusetts board licenses this profession
    Search for license PH233692    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
Find the Massachusetts license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

1 pharmacotherapy pharmacist records list a Hanson practice address

They are 1 of the 70 NPPES records with a Hanson practice address, and 110 pharmacotherapy pharmacist records in Massachusetts. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 110 in Massachusetts → Every provider in Hanson →

Other pharmacotherapy pharmacist records in Massachusetts

  1. Katie Akley, PHARM. D.Wareham, MA1437171758
  2. Julie Alizio, PHARMDCambridge, MA1790159184
  3. Edward Allie, PHARMDWestwood, MA1760599401
  4. Mary Amato, PHARM.D.Burlington, MA1861531055
  5. Mary Ambrefe, PHARM.D.Boxford, MA1184709651
  6. Loredana Ardeljan, PHARMDBoston, MA1790668317
  7. Lori Arena, PHARM.D.Boston, MA1902809874
  8. Lindsay Arnold, PHARM DBoston, MA1104046937
  9. Elke Backman, PHARM.D.Boston, MA1285957720
  10. William Beckman, RPHBeverly, MA1043419724

Common questions

What is Corey O'Brien, PHARM.D.'s NPI number?

Corey O'Brien, PHARM.D.'s National Provider Identifier (NPI) is 1710475421, issued on Apr 27, 2018. An NPI identifies a provider in billing; it is not a license.

Where is Corey O'Brien, PHARM.D. located?

The NPPES record lists a practice address at 66 Hammond RD, Hanson, MA, 02341. Phone: (201) 390-0587. Providers update this record themselves, so call before visiting.

How can I verify Corey O'Brien, PHARM.D.'s license?

NPPES lists Massachusetts license number PH233692, 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), loaded Aug 27, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.

Compiled from official public sources by the editorial process.

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.