Cynthia Seigel, FNP
NPI 1740467539 · Family Nurse Practitioner · Mishawaka, IN
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Cynthia Seigel, FNP is a Family Nurse Practitioner provider in Mishawaka, IN (NPI 1740467539).
Provider details
- NPI number
- 1740467539
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- FNP
- Sex
- Female
- Sole proprietor
- No
- License
- 71000931A (IN)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
18 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
3,313 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. 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 .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Destruction of Precancer Skin Growth, 2-14 Growths17003 | 1,042 | $5 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 636 | $71 |
| Destruction of Precancer Skin Growth, 1 Growth17000 | 427 | $43 |
| Biopsy of Related Skin Growth, First Growth11102 | 351 | $76 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 301 | $100 |
| Biopsy of Related Skin Growth, Each Additional Growth |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 20 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Ketoconazole | 160 | 79 |
| Triamcinolone Acetonide | 126 | 87 |
| Fluorouracil | 72 | 57 |
| Metronidazole | 55 | 42 |
| Hydrocortisone | 54 | 46 |
| Doxycycline Hyclate | 35 | — |
| Mupirocin | 34 | 26 |
| Clobetasol Propionate | 30 | 21 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,359 across 64 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2008-01-24
- Last updated
- 2019-02-25
Frequently asked questions
- What is Cynthia Seigel's NPI number?
- Cynthia Seigel's National Provider Identifier (NPI) is 1740467539, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Cynthia Seigel's specialty?
- Cynthia Seigel is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Cynthia Seigel located?
- Cynthia Seigel's practice location on file with NPPES is 1802 Day Rd, Mishawaka, IN 46545-4329.
- What is Cynthia Seigel's phone number?
- The practice phone number listed in the NPPES registry for Cynthia Seigel is (574) 204-7200.
- Does Cynthia Seigel accept Medicare?
- Cynthia Seigel is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Cynthia Seigel's NPI active?
- Yes — Cynthia Seigel's NPI (1740467539) is active in the NPPES registry as of the last update on 2019-02-25.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.