Jacquelyn Mcfadden, MD
NPI 1891809646 · Internal Medicine Physician · Florissant, MO
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Jacquelyn Mcfadden, MD is a Internal Medicine Physician provider in Florissant, MO (NPI 1891809646).
Provider details
- NPI number
- 1891809646
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- 2006024763 (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
228 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) |
|---|---|---|
| Blood Glucose (sugar) Test Performed By Hand-Held Instrument82962 | 118 | $3 |
| Hemoglobin A1c Level83036 | 96 | $10 |
| Screening Mammography77067 | 14 | $121 |
Typical Medicare-allowed amounts for these services range $3–$121 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 127 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Amlodipine Besylate | 621 | 174 |
| Atorvastatin Calcium | 547 | 171 |
| Losartan Potassium | 476 | 125 |
| Lisinopril | 255 | 76 |
| Gabapentin | 230 | 63 |
| Hydrochlorothiazide | 224 | 67 |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$302 across 15 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
- 2006-08-18
- Last updated
- 2014-11-21
Frequently asked questions
- What is Jacquelyn Mcfadden's NPI number?
- Jacquelyn Mcfadden's National Provider Identifier (NPI) is 1891809646, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Jacquelyn Mcfadden's specialty?
- Jacquelyn Mcfadden is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Jacquelyn Mcfadden located?
- Jacquelyn Mcfadden's practice location on file with NPPES is 11642 W Florissant Ave, Florissant, MO 63033-6723.
- What is Jacquelyn Mcfadden's phone number?
- The practice phone number listed in the NPPES registry for Jacquelyn Mcfadden is (314) 838-8220.
- Does Jacquelyn Mcfadden accept Medicare?
- Jacquelyn Mcfadden is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Jacquelyn Mcfadden's NPI active?
- Yes — Jacquelyn Mcfadden's NPI (1891809646) is active in the NPPES registry as of the last update on 2014-11-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.