Robyn Fanderclai, M.D.
NPI 1457462418 · Dermatology Physician · O Fallon, MO
Enrolled with Medicare as Practitioner - Dermatology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Robyn Fanderclai, M.D. is a Dermatology Physician provider in O Fallon, MO (NPI 1457462418).
Provider details
- NPI number
- 1457462418
- Entity type
- Individual
- Primary specialty
- Dermatology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- 2003005421 (MO)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
19 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
4 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
2,589 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 755 | $91 |
| Destruction of Precancer Skin Growth, 2-14 Growths17003 | 747 | $7 |
| Destruction of Precancer Skin Growth, 1 Growth17000 | 364 | $56 |
| Biopsy of Related Skin Growth, First Growth11102 | 221 | $92 |
| Destruction of Skin Growth, 1-14 Growths17110 | 153 | $111 |
| 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 | 179 | 104 |
| Triamcinolone Acetonide | 130 | 95 |
| Fluorouracil | 61 | 51 |
| Clobetasol Propionate | 46 | 35 |
| Doxycycline Hyclate | 41 | 30 |
| Cephalexin | 38 | 34 |
| Apremilastbrand: Otezla | 38 | — |
| Valacyclovir Hclbrand: Valacyclovir | 30 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$2,703 across 188 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
Additional practice locations (3)
- 5700 Mexico Rd Ste 14Saint Peters, MO 63376-1667Phone: (636) 277-0371Fax: (636) 447-4161
- 1800 Wentzville PkwyWentzville, MO 63385-3817Phone: (636) 200-9220Fax: (636) 590-7659
- 16516 Manchester RdWildwood, MO 63040-1217Phone: (636) 458-8400Fax: (636) 458-8404
Registry dates
- Enumerated
- 2006-08-31
- Last updated
- 2025-02-05
- Certified
- 2025-02-05
Frequently asked questions
- What is Robyn Fanderclai's NPI number?
- Robyn Fanderclai's National Provider Identifier (NPI) is 1457462418, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Robyn Fanderclai's specialty?
- Robyn Fanderclai is listed in the NPPES registry with a primary specialty of Dermatology Physician (Allopathic & Osteopathic Physicians).
- Where is Robyn Fanderclai located?
- Robyn Fanderclai's practice location on file with NPPES is 9209 Phoenix Village Pkwy, O Fallon, MO 63368-4280.
- What is Robyn Fanderclai's phone number?
- The practice phone number listed in the NPPES registry for Robyn Fanderclai is (636) 561-4613.
- Does Robyn Fanderclai accept Medicare?
- Robyn Fanderclai is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Robyn Fanderclai's NPI active?
- Yes — Robyn Fanderclai's NPI (1457462418) is active in the NPPES registry as of the last update on 2025-02-05.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.