DR. CYNTHIA M NEHRKORN (M.D.) – Internal Medicine Physician, NPI 1821134792

DR. CYNTHIA M NEHRKORN (M.D.) is a healthcare provider. based in Naples, Florida. specializing in Internal Medicine Physician. They hold the professional credentials M.D.. They hold a License No. ME74143 (FL). The NPI Number for DR. CYNTHIA M NEHRKORN (M.D.) is 1821134792

Main info

Female
Name
DR. CYNTHIA M NEHRKORN (M.D.)
NPI
1821134792
Phone
(239) 261-4404
Address
1095 WHIPPOORWILL LN
Enumeration Date
29 January 2007
Last Update Date
10 March 2023
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience67
Completeness75
Years active:19State licenses:1Digital endpointsOther names

Provider Addresses for DR. CYNTHIA M NEHRKORN (M.D.)

  • 1095 WHIPPOORWILL LN

    NAPLES, FL 341053847

    Phone: (239) 261-4404

    Fax: (239) 280-5998

    Type: Mailing

  • 1223 WHIPPOORWILL LN

    NAPLES, FL 341055028

    Phone: (239) 261-4404

    Fax: (239) 280-5998

    Type: Mailing

NPPES updates history

No NPPES updates recorded for this provider.

Prescription Activity

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Open Payments (CMS)

No Open Payments data available for this provider.

This can happen when there are no reportable CMS Open Payments records.

Medicare Enrollment & Revalidation

Source: CMS public data · Not endorsed by CMS ·

Educational use only—not medical, billing, or legal advice.

PECOS enrollment status

Participating (accepts Medicare assignment)

Enrollment effective: 2013-05-10

PECOS data refreshed: 2026-05-27

Medicare revalidation (CMS due date list)

Due date not assigned yet

CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.

Enrollment records

1

Earliest due date

Not assigned (TBD)

CMS data updated

2026-06-01

Revalidation progress

  1. Medicare enrolled
  2. On CMS revalidation list
  3. Due date assigned
  4. Revalidate in PECOS

CMS enrollment records

Enrollment IDTypeSpecialtyStateDue date
I20130510000455IHospice/Palliative CareFLTBD

What to do next

  • No action required while the due date shows TBD.
  • Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
  • Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.

Verify on CMS Revalidation Lookup Tool

Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS

Medicare Utilization (FFS)

Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·

Educational use only—not medical, billing, or legal advice.

No Medicare fee-for-service utilization data available for this provider in our database.

Insurance plans in this area (ZIP 34105)

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Reviews

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Frequently asked questions

Is DR. CYNTHIA M NEHRKORN (M.D.) listed with a National Provider Identifier?
Yes — DR. CYNTHIA M NEHRKORN (M.D.) has NPI 1821134792 on file in the registry.
Is DR. CYNTHIA M NEHRKORN (M.D.) shown as active in public data?
Registry records indicate DR. CYNTHIA M NEHRKORN (M.D.) maintains an active NPI.
What kind of doctor is DR. CYNTHIA M NEHRKORN (M.D.)?
DR. CYNTHIA M NEHRKORN (M.D.) is associated with Internal Medicine Physician in the directory — Clinical services aligned with this taxonomy classification.
What locale is associated with DR. CYNTHIA M NEHRKORN (M.D.)?
Directory geography for DR. CYNTHIA M NEHRKORN (M.D.) centers on Naples, Florida.
Does DR. CYNTHIA M NEHRKORN (M.D.) accept insurance?
Insurance participation is not part of the core NPI extract — call the plan or office to confirm.

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