NPPES file of Aug 9, 2026

Katherine Holtby

Physical Therapist · Rochester, NY

Katherine Holtby is a physical therapist with a practice address in Rochester, New York, and NPI 1235655366, issued on Aug 21, 2017. Check the license (New York 41998, 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 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1235655366
Name
Katherine Holtby
Primary taxonomy
Physical Therapist 225100000X
License number
41998 NY
Self-reported in NPPES; status is on the state search
Practice location
540 White Spruce Blvd, Rochester, NY 14623
Phone
(585) 851-8259
Enumerated
Aug 21, 2017
Record last updated
Feb 8, 2023
Fax
(585) 310-2761
Medicare enrollment
Enrolled (PECOS I20170905000219); 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 540 White Spruce Blvd

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

  1. Andrea Blanchard, P.T.Physical Therapist1699805747
  2. Susan Hawley, PTPhysical Therapist1811062391
  3. M Catherine Hill, P.T.Physical Therapist1720087695
  4. Samuel Lucyshyn, PTPhysical Therapist1538359765
  5. Danny ShultzPhysical Therapist1932108891
  6. Elizabeth Szklany, P.T.Specialist1912162454

Verify Katherine Holtby 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 41998
    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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Bills Medicare through one group practice

  1. Thrive Physical Therapy PLLCRochester, NY

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Katherine Holtby among 21,756 physical therapist records in New York

Katherine Holtby 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 2017, is newer than 58% of them.

  • NPI issued2017 · 58% of these records are older, 39% newer
  • In a Medicare fileYes · 31% of these records are
  • In the CMS Doctors and Clinicians fileYes · 34% of these records are
  • Graduated2017 · median 2016 among the 7,302 with a school on file
  • Record last updated2023 · 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).

568 physical therapist records list a practice address in Rochester

They are 568 of the 20,520 NPPES records with a practice address in Rochester, and 21,756 physical therapist records in New York.

The 8 physical therapist records with the nearest ZIP codes

  1. Ellen BaileyRochester, NY 146231831124668
  2. Nichole ChaffeeRochester, NY 146231386679116
  3. Dawn D'Aversa, MS, PTRochester, NY 146231801827563
  4. Catherine FischerRochester, NY 146231467482562
  5. Katherine Hettrich, MPTRochester, NY 146231548355316
  6. M Catherine Hill, P.T.Rochester, NY 146231720087695
  7. Susan KuzniarRochester, NY 146231346265089
  8. Nicole Loray, MSRochester, NY 146231063487163

Common questions

What is Katherine Holtby's NPI number?

Katherine Holtby's National Provider Identifier (NPI) is 1235655366, issued on Aug 21, 2017. An NPI identifies a provider in billing; it is not a license.

Where is Katherine Holtby located?

The NPPES record lists a practice address at 540 White Spruce Blvd, Rochester, NY, 14623. Phone: (585) 851-8259. Providers update this record themselves, so call before visiting.

How can I verify Katherine Holtby's license?

NPPES lists New York license number 41998, as entered by the provider. Search the New York 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. 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.