Joseph Duvall, MD
NPI 1588775241 · Dermatology Physician · St Louis, MO
Enrolled with Medicare as Practitioner - Dermatology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Joseph Duvall, MD is a Dermatology Physician provider in St Louis, MO (NPI 1588775241).
Provider details
- NPI number
- 1588775241
- Entity type
- Individual
- Primary specialty
- Dermatology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- R6127 (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
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
2,642 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 | 919 | $87 |
| Biopsy of Related Skin Growth, First Growth11102 | 331 | $87 |
| Destruction of Precancer Skin Growth, 2-14 Growths17003 | 306 | $6 |
| Destruction of Skin Growth, 1-14 Growths17110 | 221 | $104 |
| Destruction of Precancer Skin Growth, 1 Growth17000 | 175 | $47 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 21 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Triamcinolone Acetonide | 401 | 241 |
| Fluocinonide | 121 | 83 |
| Clobetasol Propionate | 105 | 42 |
| Doxycycline Hyclate | 87 | 43 |
| Fluorouracil | 76 | 74 |
| Ketoconazole | 60 | 30 |
| Minocycline Hcl | 57 | 18 |
| Prednisone | 37 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,607 across 154 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
- 2006-08-31
- Last updated
- 2008-03-18
Frequently asked questions
- What is Joseph Duvall's NPI number?
- Joseph Duvall's National Provider Identifier (NPI) is 1588775241, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Joseph Duvall's specialty?
- Joseph Duvall is listed in the NPPES registry with a primary specialty of Dermatology Physician (Allopathic & Osteopathic Physicians).
- Where is Joseph Duvall located?
- Joseph Duvall's practice location on file with NPPES is 1755 S Grand, St Louis, MO 63104.
- What is Joseph Duvall's phone number?
- The practice phone number listed in the NPPES registry for Joseph Duvall is (314) 256-3433.
- Does Joseph Duvall accept Medicare?
- Joseph Duvall is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Joseph Duvall's NPI active?
- Yes — Joseph Duvall's NPI (1588775241) is active in the NPPES registry as of the last update on 2008-03-18.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.