NPPES file of Aug 9, 2026

Christina Siemer-Harley, APRN

Family Nurse Practitioner · Lancaster, OH

Christina Siemer-Harley, APRN is a family nurse practitioner with a practice address in Lancaster, Ohio, and NPI 1568831618, issued on Sep 18, 2015. Check the license (Ohio COA.16038-NP, 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 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1568831618
Name
Christina Siemer-Harley
Credential
APRN
Primary taxonomy
Family Nurse Practitioner 363LF0000X
License number
COA.16038-NP OH
Self-reported in NPPES; status is on the state search
Practice location
282 Sells Road, Lancaster, OH 43130
Phone
(740) 654-7077
Enumerated
Sep 18, 2015
Record last updated
Nov 25, 2022
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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8 nearest family nurse practitioner records → All 9,647 in Ohio → Look up another NPI →

Also registered at 282 Sells Road

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

  1. Marci Maynard, CNPFamily Nurse Practitioner1194378497

Verify Christina Siemer-Harley 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 COA.16038-NP    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

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96% fewer Medicare Part D claims than the average family nurse practitioner in 2024

57 Medicare Part D claims for 29 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D.

  1. Christina Siemer-Harley57
  2. Specialty average1,305

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Christina Siemer-Harley among 9,647 family nurse practitioner records in Ohio

Christina Siemer-Harley, APRN is one of 9,647 family nurse practitioner records with a practice address in Ohio. 82% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2015, is newer than 26% of them.

  • NPI issued2015 · 26% of these records are older, 68% newer
  • In a Medicare fileYes · 82% of these records are
  • In the CMS Doctors and Clinicians fileNo · 66% of these records are
  • Record last updated2022 · 40% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LF0000X and a Ohio practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

54 family nurse practitioner records list a practice address in Lancaster

They are 54 of the 1,601 NPPES records with a practice address in Lancaster, and 9,647 family nurse practitioner records in Ohio.

All 9,647 in Ohio → Every provider in Lancaster → Family Nurse Practitioner nationwide →

The 8 family nurse practitioner records with the nearest ZIP codes

  1. Alyson Adams, CNPLancaster, OH 431301477820462
  2. Courtney Alrousan, CNPLancaster, OH 431301255615498
  3. Lee Ann Bowers, RN-C, MSN, NP-CLancaster, OH 431301255649893
  4. Bethany Cottrill, FNP-BCLancaster, OH 431301518364389
  5. Tiffany Dunbar, CNPLancaster, OH 431301124418157
  6. Julia Foster, CNPLancaster, OH 431301700130580
  7. Misti Holland, CNP,MSLancaster, OH 431301265831036
  8. Sheryl Lehman, APRN-CNPLancaster, OH 431301316354848

Common questions

What is Christina Siemer-Harley, APRN's NPI number?

Christina Siemer-Harley, APRN's National Provider Identifier (NPI) is 1568831618, issued on Sep 18, 2015. An NPI identifies a provider in billing; it is not a license.

Where is Christina Siemer-Harley, APRN located?

The NPPES record lists a practice address at 282 Sells Road, Lancaster, OH, 43130. Phone: (740) 654-7077. Providers update this record themselves, so call before visiting.

How can I verify Christina Siemer-Harley, APRN's license?

NPPES lists Ohio license number COA.16038-NP, as entered by the provider. Search the Ohio board that licenses this profession; the NPPES record confirms identity only.

How much does Christina Siemer-Harley, APRN prescribe under Medicare Part D?

In 2024, Christina Siemer-Harley, APRN had 57 Medicare Part D claims for 29 beneficiaries; the average among family nurse practitioner prescribers was 1,305. Part D covers Medicare prescriptions 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.