Charles Phan, M.D.
NPI 1457303737 · Gastroenterology Physician · Sugar Land, TX
Enrolled with Medicare as Practitioner - Gastroenterology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Charles Phan, M.D. is a Gastroenterology Physician provider in Sugar Land, TX (NPI 1457303737).
Provider details
- NPI number
- 1457303737
- Entity type
- Individual
- Primary specialty
- Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- L6141 (TX)
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
20 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
489 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 165 | $122 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 88 | $86 |
| Biopsy of Large Bowel Using a Flexible Endoscope45380 | 76 | $149 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 55 | $160 |
| Biopsy of Esophagus, Stomach, And/Or Upper Small Bowel Using a Flexible Endoscope43239 | 51 | $87 |
| New Patient Office Or Other Outpatient Visit With Low Level of Medical Decision Making, If Using Time, 30 Minutes Or More |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 12 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Tenofovir Alafenamidebrand: Vemlidy | 291 | 34 |
| Omeprazole | 222 | 70 |
| Peg3350/Sod Sulf,bicarb,cl/Kclbrand: Gavilyte-G | 125 | 122 |
| Famotidine | 106 | 45 |
| Entecavir | 48 | — |
| Peg3350/Sod Sulf,bicarb,cl/Kclbrand: Peg-3350 and Electrolytes | 32 | 32 |
| Esomeprazole Magnesium | 24 | — |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$11,148 across 24 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
- 2006-05-16
- Last updated
- 2015-08-05
Frequently asked questions
- What is Charles Phan's NPI number?
- Charles Phan's National Provider Identifier (NPI) is 1457303737, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Charles Phan's specialty?
- Charles Phan is listed in the NPPES registry with a primary specialty of Gastroenterology Physician (Allopathic & Osteopathic Physicians).
- Where is Charles Phan located?
- Charles Phan's practice location on file with NPPES is 16659 Southwest Fwy, Sugar Land, TX 77479-2375.
- What is Charles Phan's phone number?
- The practice phone number listed in the NPPES registry for Charles Phan is (281) 277-2213.
- Does Charles Phan accept Medicare?
- Charles Phan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Charles Phan's NPI active?
- Yes — Charles Phan's NPI (1457303737) is active in the NPPES registry as of the last update on 2015-08-05.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.