Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Daniel Counihan, MD
Surgery Physician in Boston, MA · enumerated 2023.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1588367270
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Registry record
Entity type Individual (Type 1)
Name Daniel Counihan
Credential MD
Sex Male
Practice address 85 E Concord St Ste 3000, Boston, MA, 02118
Phone (617) 638-8442
Enumeration date Mar 23, 2023
Last updated in NPPES Jun 27, 2023
Taxonomy & licenses
MD · Doctor of Medicine: A physician who completed medical school (allopathic medicine), residency training, and state licensure.
About the MD credential
What is an NPI number?
A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.
Frequently asked questions
What is the NPI number for Daniel Counihan?
The National Provider Identifier (NPI) for Daniel Counihan is 1588367270, a Type 1 (individual) record in the CMS NPPES registry.
Where does Daniel Counihan practice?
The practice location on file with NPPES is in Boston, MA. Providers can have multiple locations; NPPES lists the primary practice address.
Other providers at this practice address
Browse all → Rebecca Reardon-Lochbaum Surgery Physician · Boston, MA NPI 1285377945 Lawson Traylor Surgery Physician · Boston, MA NPI 1588366389 Luis Rendon Student in an Organized Health Care Education/Training Program · Boston, MA NPI 1033811161 Joseph Dao Surgery Physician · Boston, MA NPI 1801590070 Emanuele Lagazzi Student in an Organized Health Care Education/Training Program · Boston, MA NPI 1790544294 Michael Ferraton Surgery Physician · Boston, MA NPI 1902666142 Shirline Wee Surgery Physician · Boston, MA NPI 1811757024 Yoojin Yoon Surgery Physician · Boston, MA NPI 1588465751
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2023-06-27.