Thaibinh Phan, M.D.
NPI 1891957718 · Adult Medicine Physician · Garden Grove, CA
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Thaibinh Phan, M.D. is a Adult Medicine Physician provider in Garden Grove, CA (NPI 1891957718).
Provider details
- NPI number
- 1891957718
- Entity type
- Individual
- Primary specialty
- Adult Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- Yes
- License
- A115702 (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
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
831 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 Straightforward Medical Decision Making, If Using Time, 10 Minutes Or More99212 | 308 | $37 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 287 | $115 |
| Chronic Care Management Services, First 20 Minutes of Clinical Staff Time Directed By Health Care Professional, Per Calendar Month99490 | 122 | $67 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 68 | $78 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 46 | $193 |
Typical Medicare-allowed amounts for these services range $37–$193 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, 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 · 62 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 306 | 85 |
| Amlodipine Besylate | 209 | 55 |
| Losartan Potassium | 176 | 50 |
| Metformin Hcl | 167 | 47 |
| Famotidine | 119 | 39 |
| Alendronate Sodium | 113 | 34 |
| Simvastatin | 104 | 32 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$364 across 7 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
- 2008-07-01
- Last updated
- 2024-09-26
- Certified
- 2024-09-26
Frequently asked questions
- What is Thaibinh Phan's NPI number?
- Thaibinh Phan's National Provider Identifier (NPI) is 1891957718, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Thaibinh Phan's specialty?
- Thaibinh Phan is listed in the NPPES registry with a primary specialty of Adult Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Thaibinh Phan located?
- Thaibinh Phan's practice location on file with NPPES is 10691 Westminster Ave # 100, Garden Grove, CA 92843-4911.
- What is Thaibinh Phan's phone number?
- The practice phone number listed in the NPPES registry for Thaibinh Phan is (714) 539-4900.
- Does Thaibinh Phan accept Medicare?
- Thaibinh Phan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Thaibinh Phan's NPI active?
- Yes — Thaibinh Phan's NPI (1891957718) is active in the NPPES registry as of the last update on 2024-09-26.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.