Maocheng Zhan, MD
NPI 1548413172 · Internal Medicine Physician · Lake Charles, LA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Maocheng Zhan, MD is a Internal Medicine Physician provider in Lake Charles, LA (NPI 1548413172).
Provider details
- NPI number
- 1548413172
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- MD. 203022 (LA)
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
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
551 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 50 Minutes99233 | 224 | $113 |
| Hospital Discharge Day Management, More Than 30 Minutes99239 | 138 | $109 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 66 | $165 |
| Critical Care, First 30-74 Minutes99291 | 66 | $203 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 57 | $75 |
Typical Medicare-allowed amounts for these services range $75–$203 (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 · 20 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Metoprolol Tartrate | 35 | 32 |
| Furosemide | 30 | 29 |
| Apixabanbrand: Eliquis | 26 | 16 |
| Pantoprazole Sodium | 25 | 24 |
| Azithromycin | 22 | 22 |
| Metoprolol Succinate | 22 | 17 |
| Atorvastatin Calcium | 21 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$14 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
Registry dates
- Enumerated
- 2008-10-28
- Last updated
- 2010-11-02
Frequently asked questions
- What is Maocheng Zhan's NPI number?
- Maocheng Zhan's National Provider Identifier (NPI) is 1548413172, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Maocheng Zhan's specialty?
- Maocheng Zhan is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Maocheng Zhan located?
- Maocheng Zhan's practice location on file with NPPES is 524 Dr Michael Debakey Drive, Lake Charles, LA 70601-0000.
- What is Maocheng Zhan's phone number?
- The practice phone number listed in the NPPES registry for Maocheng Zhan is (337) 430-4455.
- Does Maocheng Zhan accept Medicare?
- Maocheng Zhan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Maocheng Zhan's NPI active?
- Yes — Maocheng Zhan's NPI (1548413172) is active in the NPPES registry as of the last update on 2010-11-02.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.