Uyen Phan, M.D.
NPI 1427498286 · Hospitalist Physician · Saint Louis, MO
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Uyen Phan, M.D. is a Hospitalist Physician provider in Saint Louis, MO (NPI 1427498286).
Provider details
- NPI number
- 1427498286
- Entity type
- Individual
- Primary specialty
- Hospitalist PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- 2016023716 (MO)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
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
12 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
609 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 Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 350 | $75 |
| Hospital Discharge Day Management, More Than 30 Minutes99239 | 103 | $109 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 74 | $113 |
| Subsequent Hospital Care With Straightforward Or Low Level of Medical Decision Making, Per Day, If Using Time, at Least 25 Minutes99231 | 54 | $47 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 15 | $166 |
| Initial Hospital Care With Straightforward Or Low-Level Medical Decision Making, If Using Time, at Least 55 Minutes99222 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 16 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Amlodipine Besylate | 38 | 11 |
| Prednisone | 33 | 25 |
| Pantoprazole Sodium | 29 | 21 |
| Carvedilol | 28 | 18 |
| Timolol Maleate | 22 | — |
| Atorvastatin Calcium | 21 | 13 |
| Furosemide | 21 | 20 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$146 across 6 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
Additional practice locations (1)
- 17065 S Outer RdBelton, MO 64012-2165Phone: (816) 348-1272
Registry dates
- Enumerated
- 2013-06-26
- Last updated
- 2021-10-07
- Certified
- 2021-10-07
Frequently asked questions
- What is Uyen Phan's NPI number?
- Uyen Phan's National Provider Identifier (NPI) is 1427498286, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Uyen Phan's specialty?
- Uyen Phan is listed in the NPPES registry with a primary specialty of Hospitalist Physician (Allopathic & Osteopathic Physicians).
- Where is Uyen Phan located?
- Uyen Phan's practice location on file with NPPES is 11133 Dunn Rd Ste 2427, Saint Louis, MO 63136-6163.
- What is Uyen Phan's phone number?
- The practice phone number listed in the NPPES registry for Uyen Phan is (314) 653-5643.
- Does Uyen Phan accept Medicare?
- Uyen Phan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Uyen Phan's NPI active?
- Yes — Uyen Phan's NPI (1427498286) is active in the NPPES registry as of the last update on 2021-10-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.