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 › 103TC2200X

Margaret Kierstein, ED.D

NPI 1134278930 · on the registry since 2007 · sole proprietor

Practice

Address
16 Center St
Suite 509
Northampton, MA 01060
Phone
(413) 584-4935
Fax
(413) 586-6031
Organisation at this address
Sanford Bloomberg Md Pc
Whole Health Osteopathy
Embodiment Institute Llc
Sacred Birth Midwifery Llc
The Wellness Collective Llc
Inferred from a shared address, not stated in the registry.
Clinicians at this address
51

Registry record

Primary taxonomy
103TC2200X
103TC2200X
Also registered as
103TC1900X
103TF0000X
Licence states on file
MA
From the registry's licence fields, which are often incomplete.
Sex
Female
Record last updated
2025-09-11

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