Registry data as of Aug 27, 2026

Christopher Messmer

Psychiatric/Mental Health Nurse Practitioner · Bexley, OH

Christopher Messmer is a psychiatric/mental health nurse practitioner with a practice address in Bexley, Ohio, and NPI 1134882939, issued on Oct 19, 2021. Check the license (Ohio 0030011, 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, loaded Aug 27, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1134882939
Name
Christopher Messmer
Primary taxonomy
Psychiatric/Mental Health Nurse Practitioner 363LP0808X
License number
0030011 OH
Self-reported in NPPES; status is on the state search
Practice location
1032 S Remington RD, Bexley, OH 43209
Phone
(614) 499-3200
Enumerated
Oct 19, 2021
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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Verify Christopher Messmer 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 0030011
    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.

99% fewer Medicare Part D claims than the average psychiatric/mental health nurse practitioner in 2024

13 Medicare Part D claims, against an average of 895 among the 22,437 providers of this specialty who prescribed in Part D.

  1. Christopher Messmer13
  2. Specialty average895

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.

Industry payments in 2024: $809.84

45 payments, mostly food and beverage; the largest payer was Abbvie Inc.. The 17,205 providers of this specialty with any payment received $975.26 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Christopher Messmer$809.84
  2. Specialty average$975.26

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

2 psychiatric/mental health nurse practitioner records list a Bexley practice address

They are 2 of the 97 NPPES records with a Bexley practice address, and 1,818 psychiatric/mental health nurse practitioner records in Ohio.

Other psychiatric/mental health nurse practitioner records in Ohio

  1. Rebecca AbaaDublin, OH1619569472
  2. Safia Abas, APRNHilliard, OH1801664040
  3. Cassandra Abbatemarco, CNPCleveland, OH1417645144
  4. Rebecca Abbott, MS, RN, PMHNP-BCCaldwell, OH1780087577
  5. Marwa Abdikarim, PMHNPColumbus, OH1487388757
  6. Sandra Aboagye, CNPColumbus, OH1366757247
  7. Marcellinus Acheampong, APRN-CNPPickerington, OH1205672854
  8. Erin AckermanHamilton, OH1588211643
  9. Caleb Acord, PMHNP-BCPiketon, OH1356100663
  10. Vera Acquah, PMHNP-BCPickerington, OH1558216614

Common questions

What is Christopher Messmer's NPI number?

Christopher Messmer's National Provider Identifier (NPI) is 1134882939, issued on Oct 19, 2021. An NPI identifies a provider in billing; it is not a license.

Where is Christopher Messmer located?

The NPPES record lists a practice address at 1032 S Remington RD, Bexley, OH, 43209. Phone: (614) 499-3200. Providers update this record themselves, so call before visiting.

How can I verify Christopher Messmer's license?

NPPES lists Ohio license number 0030011, as entered by the provider. Search the Ohio board that licenses this profession; the NPPES record confirms identity only.

How much does Christopher Messmer prescribe under Medicare Part D?

In 2024, Christopher Messmer had 13 Medicare Part D claims; the average among psychiatric/mental health nurse practitioner prescribers was 895. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.