John Mwangi, M.D.
NPI 1699903831 · Hospitalist Physician · Saint Louis, MO
Enrolled with Medicare as Practitioner - Pulmonary Disease · source: CMS PECOS Public Provider Enrollment (2026.04.01)
John Mwangi, M.D. is a Hospitalist Physician provider in Saint Louis, MO (NPI 1699903831).
Provider details
- NPI number
- 1699903831
- Entity type
- Individual
- Primary specialty
- Hospitalist PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 2009013276 (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
17 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
366 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) |
|---|---|---|
| Critical Care, First 30-74 Minutes99291 | 80 | $208 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 62 | $116 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 47 | $78 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 41 | $96 |
| Test to Determine Lung Volumes Using Sensors94726 | 27 | $12 |
| Test to Examine How Well the Lungs Exchange Gases94729 | 27 | $9 |
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 |
|---|---|---|
| Macitentanbrand: Opsumit | 159 | 19 |
| Furosemide | 90 | 21 |
| Selexipagbrand: Uptravi | 81 | — |
| Sildenafil Citrate | 69 | 11 |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 65 | 24 |
| Riociguatbrand: Adempas | 62 | — |
| Tadalafil | 62 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$232 across 2 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
- 2009-06-25
- Last updated
- 2012-07-10
Frequently asked questions
- What is John Mwangi's NPI number?
- John Mwangi's National Provider Identifier (NPI) is 1699903831, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Mwangi's specialty?
- John Mwangi is listed in the NPPES registry with a primary specialty of Hospitalist Physician (Allopathic & Osteopathic Physicians).
- Where is John Mwangi located?
- John Mwangi's practice location on file with NPPES is 11133 Dunn Rd, Saint Louis, MO 63136-6119.
- What is John Mwangi's phone number?
- The practice phone number listed in the NPPES registry for John Mwangi is (314) 653-5643.
- Does John Mwangi accept Medicare?
- John Mwangi is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is John Mwangi's NPI active?
- Yes — John Mwangi's NPI (1699903831) is active in the NPPES registry as of the last update on 2012-07-10.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.