NPPES file of Aug 9, 2026

Mantas Korsakas, DPT

Physical Therapist · Riverhead, NY

Mantas Korsakas, DPT is a physical therapist with a practice address in Riverhead, New York, and NPI 1386827343, issued on Dec 13, 2007. Check the license (New York 029645-1, as entered in NPPES) with the New York board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1386827343
Name
Mantas Korsakas
Credential
DPT
Primary taxonomy
Physical Therapist 225100000X
License number
029645-1 NY
Self-reported in NPPES; status is on the state search
Practice location
1149 Old Country RD Ste A2, Riverhead, NY 11901
Phone
(631) 284-9258
Enumerated
Dec 13, 2007
Record last updated
Nov 11, 2013 (not updated in 13 years: call before relying on the address or phone)
Fax
(631) 284-9260
Medicare enrollment
Enrolled (PECOS I20080214000364); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 1149 Old Country RD Ste A2

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Thomas Derosa, DPTPhysical Therapist1396005518

Verify Mantas Korsakas in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich New York board licenses this profession
    Search for license 029645-1
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the New York license search

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The MIPS final score for 2023 (Medicare payment program): 0 of 100

The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score0.0
  2. Costnot scored (reweighted)
  3. Promoting interoperabilitynot scored (reweighted)
  4. Improvement activities0 of 40 points · 15%0.0

Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).

Mantas Korsakas among 21,756 physical therapist records in New York

Mantas Korsakas, DPT is one of 21,756 physical therapist records with a practice address in New York. 31% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 14% of them.

  • NPI issued2007 · 14% of these records are older, 77% newer
  • In a Medicare fileYes · 31% of these records are
  • In the CMS Doctors and Clinicians fileYes · 34% of these records are
  • Graduated2007 · median 2016 among the 7,302 with a school on file
  • Record last updated2013 · 66% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 225100000X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

36 physical therapist records list a practice address in Riverhead

They are 36 of the 982 NPPES records with a practice address in Riverhead, and 21,756 physical therapist records in New York.

The 8 physical therapist records with the nearest ZIP codes

  1. Vincent Barry, PT DPTRiverhead, NY 119011982790549
  2. Catherine Barry, PTRiverhead, NY 119011326134990
  3. Kathleen Huttner, PTRiverhead, NY 119011053365098
  4. David Kuck, PT DPTRiverhead, NY 119011538134697
  5. Anthony Lodato, PTRiverhead, NY 119011487795514
  6. Rebecca Manwaring, PTRiverhead, NY 119011538255195
  7. Christine Masefield, PTRiverhead, NY 119011992891550
  8. Joseph Masefield, PT DPTRiverhead, NY 119011013003680

Common questions

What is Mantas Korsakas, DPT's NPI number?

Mantas Korsakas, DPT's National Provider Identifier (NPI) is 1386827343, issued on Dec 13, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Mantas Korsakas, DPT located?

The NPPES record lists a practice address at 1149 Old Country RD Ste A2, Riverhead, NY, 11901. Phone: (631) 284-9258. Providers update this record themselves, so call before visiting.

How can I verify Mantas Korsakas, DPT's license?

NPPES lists New York license number 029645-1, as entered by the provider. Search the New York board that licenses this profession; the NPPES record confirms identity only.

What is Mantas Korsakas, DPT's MIPS final score?

The 2023 MIPS final score is 0 of 100. 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.