NPPES file of Aug 9, 2026

Christopher L. Loutzenhiser, DO

Family Medicine Physician · Fort Myers, FL

Christopher L. Loutzenhiser, DO is a family medicine physician with a practice address in Fort Myers, Florida, and NPI 1134432545, issued on Jul 15, 2010. Check the license (Florida OS12290, as entered in NPPES) on the Florida health license search; 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
1134432545
Name
Christopher L. Loutzenhiser
Credential
DO
Primary taxonomy
Family Medicine Physician 207Q00000X
License numbers
OS12290 FL
2011025965 MO
Self-reported in NPPES; status is on the state search
Practice location
4771 S Cleveland Ave, Fort Myers, FL 33907
Phone
(239) 343-9800
Enumerated
Jul 15, 2010
Record last updated
Jul 29, 2026
Fax
(239) 343-9848
Medicaid ID
009351800 FL
Medicare enrollment
Enrolled (PECOS I20130904000644); accepts Medicare assignment
Medical or professional school
Kansas City University Of Med & Biosciences, College Of Osteo Med, 2010
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 4771 S Cleveland Ave

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

  1. Catherine Abounader, APRNFamily Nurse Practitioner1508479395
  2. Andrea AcevesFamily Nurse Practitioner1528704038
  3. Heidi Alexander, APRNNurse Practitioner1356893499
  4. Sandra Allen, APRN FNP-CFamily Nurse Practitioner1003475377
  5. Andre AndersonFamily Medicine Physician1407235955
  6. John Arcuri, MDEmergency Medicine Physician1255402236

Verify Christopher L. Loutzenhiser in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersFlorida health license search
    Search for license OS12290
    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
Open the Florida 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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50% fewer Medicare Part D claims than the average family medicine physician in 2024

1,772 Medicare Part D claims for 1,091 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D.

  1. Christopher Loutzenhiser1,772
  2. Specialty average3,544

Most prescribed

  1. Prednisone262 claims
  2. Doxycycline Hyclate259 claims
  3. Fluticasone Propionate198 claims
  4. Cephalexin122 claims
  5. Amoxicillin-Clavulanate Potass114 claims
  6. Methylprednisolone98 claims

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.

Bills Medicare through one group practice

  1. Lee Health System IncCape Coral, FL

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

Christopher L. Loutzenhiser among 9,399 family medicine physician records in Florida

Christopher L. Loutzenhiser, DO is one of 9,399 family medicine physician records with a practice address in Florida. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2010, is newer than 61% of them.

  • NPI issued2010 · 61% of these records are older, 37% newer
  • In a Medicare fileYes · 79% of these records are
  • In the CMS Doctors and Clinicians fileYes · 59% of these records are
  • Graduated2010 · median 2004 among the 5,504 with a school on file
  • Record last updated2026 · 51% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Florida practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

183 family medicine physician records list a practice address in Fort Myers

They are 183 of the 7,949 NPPES records with a practice address in Fort Myers, and 9,399 family medicine physician records in Florida.

The 8 family medicine physician records with the nearest ZIP codes

  1. Jon Burdzy, DOFort Myers, FL 339071205854510
  2. Guillermo Cuna, M.D.Fort Myers, FL 339071124024047
  3. Shannon Greer, D.O.Fort Myers, FL 339071811979917
  4. Joseph Howard, M.D.Fort Myers, FL 339071932131042
  5. Saiful Islam, M.D.Ft Myers, FL 339071548261613
  6. Arno Loeffler, MDFort Myers, FL 339071619989191
  7. Rodolfo Perez Gallardo, M.D.Fort Myers, FL 339071821166604
  8. Linda Saether-Vranjican, MDFt Myers, FL 339071306834734

Common questions

What is Christopher L. Loutzenhiser, DO's NPI number?

Christopher L. Loutzenhiser, DO's National Provider Identifier (NPI) is 1134432545, issued on Jul 15, 2010. An NPI identifies a provider in billing; it is not a license.

Where is Christopher L. Loutzenhiser, DO located?

The NPPES record lists a practice address at 4771 S Cleveland Ave, Fort Myers, FL, 33907. Phone: (239) 343-9800. Providers update this record themselves, so call before visiting.

How can I verify Christopher L. Loutzenhiser, DO's license?

NPPES lists Florida license number OS12290, as entered by the provider. Search the Florida health license search at https://mqa-internet.doh.state.fl.us/mqasearchservices/healthcareproviders. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Christopher L. Loutzenhiser, DO prescribe under Medicare Part D?

In 2024, Christopher L. Loutzenhiser, DO had 1,772 Medicare Part D claims for 1,091 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.

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.