Cynthia M. Nehrkorn, M.D.
Internal Medicine Physician · Naples, FL
Cynthia M. Nehrkorn, M.D. is an internal medicine physician with a practice address in Naples, Florida, and NPI 1821134792, issued on Jan 29, 2007. Check the license (Florida ME74143, as entered in NPPES) on the Florida health license search; the Medicare figures below come from public CMS files.
- Name
- Cynthia M. Nehrkorn
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- ME74143 FL
Self-reported in NPPES; status is on the state search - Practice location
- 1095 Whippoorwill LN, Naples, FL 34105
- Phone
- (239) 261-4404
- Enumerated
- Jan 29, 2007
- Record last updated
- Mar 10, 2023
- Fax
- (239) 280-5998
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 10,151 in Florida → Look up another NPI →
Also registered at 1095 Whippoorwill LN
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Sylvia Baez, APRNFamily Nurse Practitioner1346924107
- Darlene Boyce, NPAdult Health Nurse Practitioner1689823098
- Breanna Caldwell, LCSWClinical Social Worker1225646912
- Constance Carmody, ARNPFamily Nurse Practitioner1841282373
- Vallerie Chalifoux, APRN, FNP-CFamily Nurse Practitioner1023775863
- Patricia Childress, LCSWClinical Social Worker1730714478
Verify Cynthia M. Nehrkorn in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersFlorida health license search
Search for license ME74143Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
77% fewer Medicare Part D claims than the average internal medicine physician in 2024
723 Medicare Part D claims for 205 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. 213 claims were for opioids.
Most prescribed
- Morphine Sulfate Er55 claims
- Oxycodone Hcl41 claims
- Levothyroxine Sodium37 claims
- Morphine Sulfate35 claims
- Lorazepam28 claims
- Fentanyl25 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.
Cynthia M. Nehrkorn among 10,151 internal medicine physician records in Florida
Cynthia M. Nehrkorn, M.D. is one of 10,151 internal medicine physician records with a practice address in Florida. 84% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 45% of them.
- NPI issued2007 · 45% of these records are older, 48% newer
- In a Medicare fileYes · 84% of these records are
- In the CMS Doctors and Clinicians fileNo · 65% of these records are
- Record last updated2023 · 48% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Florida practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
208 internal medicine physician records list a practice address in Naples
They are 208 of the 5,950 NPPES records with a practice address in Naples, and 10,151 internal medicine physician records in Florida.
All 10,151 in Florida → Every provider in Naples → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Mark Goldstein, MDNaples, FL 341051578581773
- David Linz, M.D.Naples, FL 341051336448679
- Abdal Mirza, M.D.Naples, FL 341051386948214
- Janet PolitoNaples, FL 341051245275643
- Matthew Powers, MDNaples, FL 341051255362760
- Rita Jasmin, M.D.Naples, FL 341041871687954
- Victoria Lagunzad-Evenhuis, D.O.Naples, FL 341041689726663
- Cynthia Powers, MDNaples, FL 341041508968066
Common questions
What is Cynthia M. Nehrkorn, M.D.'s NPI number?
Cynthia M. Nehrkorn, M.D.'s National Provider Identifier (NPI) is 1821134792, issued on Jan 29, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Cynthia M. Nehrkorn, M.D. located?
The NPPES record lists a practice address at 1095 Whippoorwill LN, Naples, FL, 34105. Phone: (239) 261-4404. Providers update this record themselves, so call before visiting.
How can I verify Cynthia M. Nehrkorn, M.D.'s license?
NPPES lists Florida license number ME74143, 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 Cynthia M. Nehrkorn, M.D. prescribe under Medicare Part D?
In 2024, Cynthia M. Nehrkorn, M.D. had 723 Medicare Part D claims for 205 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.