Quang Phan, M.D.
NPI 1982698957 · Gastroenterology Physician · Garden Grove, CA
Enrolled with Medicare as Practitioner - Gastroenterology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Quang Phan, M.D. is a Gastroenterology Physician provider in Garden Grove, CA (NPI 1982698957).
Provider details
- NPI number
- 1982698957
- Entity type
- Individual
- Primary specialty
- Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- A44365 (CA)
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
1,073 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 | 364 | $99 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 335 | $159 |
| Removal of Polyps Or Growths of Large Bowel Using an Endoscope With Mechanical Snare45385 | 112 | $260 |
| Biopsy of Esophagus, Stomach, And/Or Upper Small Bowel Using a Flexible Endoscope43239 | 87 | $140 |
| Biopsy of Large Bowel Using a Flexible Endoscope45380 | 76 | $206 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 22 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Tenofovir Alafenamidebrand: Vemlidy | 630 | 76 |
| Sodium, Potassium,mag Sulfatesbrand: Sod Sulf-Potass Sulf-Mag Sulf | 366 | 365 |
| Peg3350/Sod Sulf,bicarb,cl/Kclbrand: Gavilyte-G | 228 | 227 |
| Entecavir | 197 | 43 |
| Tenofovir Disoproxil Fumarate | 92 | 24 |
| Peg3350/Sod Sulf,bicarb,cl/Kclbrand: Peg-3350 and Electrolytes | 69 | 67 |
| Omeprazole |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$11,823 across 36 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
- 2005-09-07
- Last updated
- 2007-07-08
Frequently asked questions
- What is Quang Phan's NPI number?
- Quang Phan's National Provider Identifier (NPI) is 1982698957, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Quang Phan's specialty?
- Quang Phan is listed in the NPPES registry with a primary specialty of Gastroenterology Physician (Allopathic & Osteopathic Physicians).
- Where is Quang Phan located?
- Quang Phan's practice location on file with NPPES is 12665 Garden Grove Blvd, Garden Grove, CA 92843-1901.
- What is Quang Phan's phone number?
- The practice phone number listed in the NPPES registry for Quang Phan is (714) 537-5302.
- Does Quang Phan accept Medicare?
- Quang Phan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Quang Phan's NPI active?
- Yes — Quang Phan's NPI (1982698957) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.