Katlyn M. Troisi, LICSW
Mental Health Counselor · Waltham, MA
Katlyn M. Troisi, LICSW is a mental health counselor with a practice address in Waltham, Massachusetts, and NPI 1477211563, issued on Dec 6, 2021. Check the license (Massachusetts 123478, as entered in NPPES) with the Massachusetts board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Katlyn M. Troisi
- Credential
- LICSW
- Primary taxonomy
- Mental Health Counselor 101YM0800X
- License number
- 123478 MA
Self-reported in NPPES; status is on the state search - Practice location
- 675 Main St, Waltham, MA 02451
- Phone
- (508) 397-6307
- Enumerated
- Dec 6, 2021
- Record last updated
- Dec 6, 2021 (not updated in 5 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest mental health counselor records → All 18,415 in Massachusetts → Look up another NPI →
Also registered at 675 Main St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Katlyn M. Troisi in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Massachusetts board licenses this profession
Search for license 123478Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
The practice group's MIPS final score for 2023 (Medicare payment program): 94.1 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Katlyn M. Troisi among 18,415 mental health counselor records in Massachusetts
Katlyn M. Troisi, LICSW is one of 18,415 mental health counselor records with a practice address in Massachusetts. 7% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2021, is newer than 70% of them.
- NPI issued2021 · 70% of these records are older, 26% newer
- In a Medicare fileYes · 7% of these records are
- In the CMS Doctors and Clinicians fileNo · 10% of these records are
- Record last updated2021 · 60% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 101YM0800X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
147 mental health counselor records list a practice address in Waltham
They are 147 of the 2,111 NPPES records with a practice address in Waltham, and 18,415 mental health counselor records in Massachusetts.
All 18,415 in Massachusetts → Every provider in Waltham → Mental Health Counselor nationwide →
The 8 mental health counselor records with the nearest ZIP codes
- Elizabeth Blumberg, PSY.D.Waltham, MA 024511154525194
- Michael Chiumiento, PSYDWaltham, MA 024511164755047
- Alexandra Discepolo, MSWWaltham, MA 024511831531128
- Kristin Fabbri, LMHCWaltham, MA 024511902167414
- Michelle Felton, LMHCWaltham, MA 024511891931010
- Jennifer Fletcher, LMHCWaltham, MA 024511770715674
- Alison Leach, M.A.Waltham, MA 024511194850883
- Leah Leshane, LMHCWaltham, MA 024511528346269
Common questions
What is Katlyn M. Troisi, LICSW's NPI number?
Katlyn M. Troisi, LICSW's National Provider Identifier (NPI) is 1477211563, issued on Dec 6, 2021. An NPI identifies a provider in billing; it is not a license.
Where is Katlyn M. Troisi, LICSW located?
The NPPES record lists a practice address at 675 Main St, Waltham, MA, 02451. Phone: (508) 397-6307. Providers update this record themselves, so call before visiting.
How can I verify Katlyn M. Troisi, LICSW's license?
NPPES lists Massachusetts license number 123478, as entered by the provider. Search the Massachusetts board that licenses this profession; the NPPES record confirms identity only.
What is Katlyn M. Troisi, LICSW's MIPS final score?
The 2023 MIPS final score is 94.1 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. 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.