Rex Hudson, MD
NPI 1235113325 · General Practice Physician · Saint Louis, MO
Enrolled with Medicare as Practitioner - General Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Rex Hudson, MD is a General Practice Physician provider in Saint Louis, MO (NPI 1235113325).
Provider details
- NPI number
- 1235113325
- Entity type
- Individual
- Primary specialty
- General Practice PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- 2003002294 (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
20 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
107 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) |
|---|---|---|
| Subsequent Nursing Facility Care With Moderate Level of Medical Decision Making, Per Day, If Using Time, at Least 30 Minutes99309 | 70 | $102 |
| Subsequent Nursing Facility Care With Straightforward Level of Medical Decision Making, Per Day, If Using Time, 20 Minutes Or More99308 | 14 | $70 |
| Initial Nursing Facility Care With High Level of Medical Decision Making, Per Day, If Using Time, 50 Minutes Or More99306 | 12 | $172 |
| Nursing Facility Discharge Management, More Than 30 Minutes99316 | 11 | $124 |
Typical Medicare-allowed amounts for these services range $70–$172 (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 · 111 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Levothyroxine Sodium | 455 | 21 |
| Amlodipine Besylate | 304 | 19 |
| Atorvastatin Calcium | 281 | 19 |
| Losartan Potassium | 238 | — |
| Furosemide | 236 | 15 |
| Apixabanbrand: Eliquis | 234 | 14 |
| Tamsulosin Hcl |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,540 across 4 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
- 2005-12-01
- Last updated
- 2022-12-15
- Certified
- 2022-12-15
Frequently asked questions
- What is Rex Hudson's NPI number?
- Rex Hudson's National Provider Identifier (NPI) is 1235113325, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Rex Hudson's specialty?
- Rex Hudson is listed in the NPPES registry with a primary specialty of General Practice Physician (Allopathic & Osteopathic Physicians).
- Where is Rex Hudson located?
- Rex Hudson's practice location on file with NPPES is 10426 Baur Blvd, Saint Louis, MO 63132-1905.
- What is Rex Hudson's phone number?
- The practice phone number listed in the NPPES registry for Rex Hudson is (314) 925-0903.
- Does Rex Hudson accept Medicare?
- Rex Hudson is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Rex Hudson's NPI active?
- Yes — Rex Hudson's NPI (1235113325) is active in the NPPES registry as of the last update on 2022-12-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.