NPPES file of Aug 9, 2026

Mallory Siefker, OTR/L

Occupational Therapist · Lima, OH

Mallory Siefker, OTR/L is an occupational therapist with a practice address in Lima, Ohio, and NPI 1245699107, issued on Feb 19, 2016. Check the license (Ohio OT007823, as entered in NPPES) with the Ohio 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
1245699107
Name
Mallory Siefker
Credential
OTR/L
Primary taxonomy
Occupational Therapist 225X00000X
License number
OT007823 OH
Self-reported in NPPES; status is on the state search
Practice location
2535 Fort Amanda RD, Lima, OH 45804
Phone
(419) 999-2055
Enumerated
Feb 19, 2016
Record last updated
Nov 1, 2022
Medicare enrollment
Enrolled (PECOS I20221116001587); 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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8 nearest occupational therapist records → All 4,457 in Ohio → Look up another NPI →

Also registered at 2535 Fort Amanda RD

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

  1. Michelle Archer, MSED, LMHC, LPCCMental Health Counselor1679943922
  2. Danielle Bolin, PT,DPTPhysical Therapist1003640947
  3. Kristin Doll, PTPhysical Therapist1023477783
  4. Greta FitchSpeech-Language Pathologist1457272619
  5. Staci Hovest, PHYSICAL THERAPISTPhysical Therapist1437675642
  6. Meredith Layman, LISWClinical Social Worker1144490087

Verify Mallory Siefker in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Ohio board licenses this profession
    Search for license OT007823    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 Ohio license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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Bills Medicare through one group practice

  1. Paragon Outpatient Rehabilitation Services LLCLima, OH

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

Mallory Siefker among 4,457 occupational therapist records in Ohio

Mallory Siefker, OTR/L is one of 4,457 occupational therapist records with a practice address in Ohio. 8% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2016, is newer than 45% of them.

  • NPI issued2016 · 45% of these records are older, 50% newer
  • In a Medicare fileYes · 8% of these records are
  • In the CMS Doctors and Clinicians fileYes · 9% of these records are
  • Graduated2011 · median 2015 among the 414 with a school on file
  • Record last updated2022 · 64% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 225X00000X and a Ohio practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

52 occupational therapist records list a practice address in Lima

They are 52 of the 2,639 NPPES records with a practice address in Lima, and 4,457 occupational therapist records in Ohio.

All 4,457 in Ohio → Every provider in Lima → Occupational Therapist nationwide →

The 8 occupational therapist records with the nearest ZIP codes

  1. Antonio DiterlizziLima, OH 458041821897448
  2. Molly Evans, MOT, OTR/LLima, OH 458041508367467
  3. Wade HopkinsLima, OH 458041558197913
  4. Julia HutchinsLima, OH 458041184450736
  5. Olivia KoenigLima, OH 458041215760236
  6. Kayla MillsLima, OH 458041598588162
  7. Jamesha Robinson, S/OTLima, OH 458041700684164
  8. Kirsten SiefkerLima, OH 458041871386425

Common questions

What is Mallory Siefker, OTR/L's NPI number?

Mallory Siefker, OTR/L's National Provider Identifier (NPI) is 1245699107, issued on Feb 19, 2016. An NPI identifies a provider in billing; it is not a license.

Where is Mallory Siefker, OTR/L located?

The NPPES record lists a practice address at 2535 Fort Amanda RD, Lima, OH, 45804. Phone: (419) 999-2055. Providers update this record themselves, so call before visiting.

How can I verify Mallory Siefker, OTR/L's license?

NPPES lists Ohio license number OT007823, as entered by the provider. Search the Ohio 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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.