Cynthia Nehrkorn, M.D.
NPI 1821134792 · Internal Medicine Physician · Naples, FL
Enrolled with Medicare as Practitioner - Hospice/Palliative Care · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Cynthia Nehrkorn, M.D. is a Internal Medicine Physician provider in Naples, FL (NPI 1821134792).
Provider details
- NPI number
- 1821134792
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- ME74143 (FL)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 16 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Morphine Sulfatebrand: Morphine Sulfate Er | 55 | 16 |
| Oxycodone Hcl | 41 | 25 |
| Levothyroxine Sodium | 37 | 15 |
| Morphine Sulfate | 35 | 29 |
| Lorazepam | 28 | 23 |
| Fentanyl | 25 | — |
| Apixaban |
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-01-29
- Last updated
- 2023-03-10
- Certified
- 2023-03-10
Frequently asked questions
- What is Cynthia Nehrkorn's NPI number?
- Cynthia Nehrkorn's National Provider Identifier (NPI) is 1821134792, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Cynthia Nehrkorn's specialty?
- Cynthia Nehrkorn is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Cynthia Nehrkorn located?
- Cynthia Nehrkorn's practice location on file with NPPES is 1095 Whippoorwill Ln, Naples, FL 34105-3847.
- What is Cynthia Nehrkorn's phone number?
- The practice phone number listed in the NPPES registry for Cynthia Nehrkorn is (239) 261-4404.
- Does Cynthia Nehrkorn accept Medicare?
- Cynthia Nehrkorn is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Cynthia Nehrkorn's NPI active?
- Yes — Cynthia Nehrkorn's NPI (1821134792) is active in the NPPES registry as of the last update on 2023-03-10.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.