Paul Larsen
NPI 1427315423 · Cardiovascular Disease Physician · Saint Louis, MO
Enrolled with Medicare as Practitioner - Cardiovascular Disease (cardiology) · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Paul Larsen is a Cardiovascular Disease Physician provider in Saint Louis, MO (NPI 1427315423).
Provider details
- NPI number
- 1427315423
- Entity type
- Individual
- Primary specialty
- Cardiovascular Disease PhysicianAllopathic & Osteopathic Physicians
- Sex
- Male
- Sole proprietor
- Yes
- License
- 2020022472 (MO)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
14 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
1,133 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) |
|---|---|---|
| Ultrasound of Heart With Color-Depicted Blood Flow, Rate, Direction and Valve Function93306 | 319 | $65 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 304 | $75 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 104 | $93 |
| Initial Hospital Care With Straightforward Or Low-Level Medical Decision Making, If Using Time, at Least 55 Minutes99222 | 73 | $125 |
| Use of a Drug to Induce Depression of Consciousness By Physician Performing a Procedure (5 Years Or Older), Initial 15 Minutes99152 | 52 | $12 |
| Insertion of Tube in Left Lower Heart Chamber and Coronary Artery for Diagnosis With Review By Radiologist |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 33 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 222 | 71 |
| Metoprolol Succinate | 206 | 74 |
| Carvedilol | 173 | 56 |
| Clopidogrel Bisulfatebrand: Clopidogrel | 166 | 67 |
| Furosemide | 152 | 50 |
| Apixabanbrand: Eliquis | 142 | 47 |
| Losartan Potassium |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$21 across 1 record (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 (1)
- 5841 S Maryland AveChicago, IL 60637-1447Phone: (773) 702-8324
Registry dates
- Enumerated
- 2012-04-13
- Last updated
- 2020-10-23
- Certified
- 2020-10-23
Frequently asked questions
- What is Paul Larsen's NPI number?
- Paul Larsen's National Provider Identifier (NPI) is 1427315423, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Paul Larsen's specialty?
- Paul Larsen is listed in the NPPES registry with a primary specialty of Cardiovascular Disease Physician (Allopathic & Osteopathic Physicians).
- Where is Paul Larsen located?
- Paul Larsen's practice location on file with NPPES is 1027 Bellevue Ave Ste 200, Saint Louis, MO 63117-1851.
- What is Paul Larsen's phone number?
- The practice phone number listed in the NPPES registry for Paul Larsen is (314) 645-6450.
- Does Paul Larsen accept Medicare?
- Paul Larsen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Paul Larsen's NPI active?
- Yes — Paul Larsen's NPI (1427315423) is active in the NPPES registry as of the last update on 2020-10-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.