Guangchen Zou, M.D.
NPI 1093378994 · Nephrology Physician · Saint Charles, MO
Enrolled with Medicare as Practitioner - Nephrology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Guangchen Zou, M.D. is a Nephrology Physician provider in Saint Charles, MO (NPI 1093378994).
Provider details
- NPI number
- 1093378994
- Entity type
- Individual
- Primary specialty
- Nephrology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 2023033248 (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
7 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
193 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 | 38 | $76 |
| New Patient Office Or Other Outpatient Visit With a High Level of Medical Decision Making, If Using Time, 60 Minutes Or More99205 | 36 | $212 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 36 | $114 |
| Hemodialysis Procedure With Physician Evaluation90935 | 33 | $68 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 32 | $167 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 9 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Losartan Potassium | 26 | 12 |
| Lisinopril | 23 | 14 |
| Amlodipine Besylate | 21 | 15 |
| Dapagliflozin Propanediolbrand: Farxiga | 18 | 11 |
| Atorvastatin Calcium | 12 | — |
| Carvedilol | 11 | — |
| Empagliflozin |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$662 across 11 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
- 2019-04-16
- Last updated
- 2024-08-14
- Certified
- 2024-08-14
Frequently asked questions
- What is Guangchen Zou's NPI number?
- Guangchen Zou's National Provider Identifier (NPI) is 1093378994, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Guangchen Zou's specialty?
- Guangchen Zou is listed in the NPPES registry with a primary specialty of Nephrology Physician (Allopathic & Osteopathic Physicians).
- Where is Guangchen Zou located?
- Guangchen Zou's practice location on file with NPPES is 1820 Zumbehl Rd Ste 120, Saint Charles, MO 63303-2761.
- What is Guangchen Zou's phone number?
- The practice phone number listed in the NPPES registry for Guangchen Zou is (314) 801-5350.
- Does Guangchen Zou accept Medicare?
- Guangchen Zou is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Guangchen Zou's NPI active?
- Yes — Guangchen Zou's NPI (1093378994) is active in the NPPES registry as of the last update on 2024-08-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.