Colin Sauder, PHD
Psychologist · Watertown, MA
Colin Sauder, PHD is a psychologist with a practice address in Watertown, Massachusetts, and NPI 1104466846, issued on Jan 10, 2020. Check the license (Massachusetts 11184, 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.
- Name
- Colin Sauder
- Credential
- PHD
- Primary taxonomy
- Psychologist 103T00000X
- License number
- 11184 MA
Self-reported in NPPES; status is on the state search - Practice location
- 521 Mount Auburn St Ste 209, Watertown, MA 02472
- Phone
- (617) 744-8542
- Enumerated
- Jan 10, 2020
- Record last updated
- Jan 10, 2020 (not updated in 6 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest psychologist records → All 2,367 in Massachusetts → Look up another NPI →
Verify Colin Sauder in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Massachusetts board licenses this profession
Search for license 11184Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Colin Sauder among 2,367 psychologist records in Massachusetts
Colin Sauder, PHD 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 not. Its NPI, issued in 2020, is newer than 82% of them.
- NPI issued2020 · 82% of these records are older, 14% newer
- In a Medicare fileNo · 11% of these records are
- In the CMS Doctors and Clinicians fileNo · 21% of these records are
- Record last updated2020 · 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).
11 psychologist records list a practice address in Watertown
They are 11 of the 873 NPPES records with a practice address in Watertown, and 2,367 psychologist records in Massachusetts. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 2,367 in Massachusetts → Every provider in Watertown → Psychologist nationwide →
The 8 psychologist records with the nearest ZIP codes
- Edward Bauman, PSYDWatertown, MA 024721174575674
- Alekzander Davila, PHDWatertown, MA 024721023759453
- Jane Hanenberg, ED.D.Watertown, MA 024721881749950
- Charmain Jackman, PHDWatertown, MA 024721619958402
- Rebecca Johnston, PH.D.Watertown, MA 024721821004706
- Deborah Rosene, PHDWatertown, MA 024721780726117
- Catherine RossiWatertown, MA 024721538535455
- Janis Wagner, PH.DWatertown, MA 024721306990627
Common questions
What is Colin Sauder, PHD's NPI number?
Colin Sauder, PHD's National Provider Identifier (NPI) is 1104466846, issued on Jan 10, 2020. An NPI identifies a provider in billing; it is not a license.
Where is Colin Sauder, PHD located?
The NPPES record lists a practice address at 521 Mount Auburn St Ste 209, Watertown, MA, 02472. Phone: (617) 744-8542. Providers update this record themselves, so call before visiting.
How can I verify Colin Sauder, PHD's license?
NPPES lists Massachusetts license number 11184, 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. 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.