npidata.org Sign in
Products
Provider RadarWatch an area and specialty — weekly alerts on new cliniciansPractice RadarWeekly alerts when new organisations register nearbySpecialtiesEvery NUCC taxonomy, with counts by state and cityStatesProvider counts and breakdowns for all 50 statesPhysician listsMDs and DOs with addresses and phone numbersNP listsNurse practitioners, the fastest-growing groupAPIJSON, delta feed, free tier
Use cases
Healthcare sales prospectingPhysician recruiting and locum staffingMedical device sales territory planningCredentialing and provider verificationHealthcare marketing lists and audience buildingPharmaceutical sales and prescriber targeting
Account
Start freeThree radars and an export a month Sign in Pricing
Explore
Data Labs API
About
About usTermsPrivacyContact us

Search › Massachusetts › 207X00000X

Timothy Hartshorn, M.D

NPI 1043446503 · on the registry since 2009

Practice

Address
145 Rosemary St Ste C
Needham, MA 02494
Phone
(781) 429-7700
Fax
(781) 429-7701
Organisation at this address
Orthoboston Llc
Orthoboston Steward
Orthoboston - Bidc Llc
Wellesley Family Care Associates
Pediatric Dental Specialist Of Needham
Inferred from a shared address, not stated in the registry.
Clinicians at this address
59

Registry record

Primary taxonomy
207X00000X
207X00000X
Also registered as
207X00000X
Licence states on file
CA, MA
From the registry's licence fields, which are often incomplete.
Sex
Male
Record last updated
2026-08-13

Source: CMS National Plan and Provider Enumeration System. Registration is not the same as practising, and the registry records no retirement — some people listed here no longer practise. More in Massachusetts