Thuy Pham, DO
NPI 1558362723 · Internal Medicine Physician · Corona, CA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Thuy Pham, DO is a Internal Medicine Physician provider in Corona, CA (NPI 1558362723).
Provider details
- NPI number
- 1558362723
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- DO
- Sex
- Male
- Sole proprietor
- No
- License
- 20A7794 (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
349 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 | 159 | $131 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 109 | $9 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 22 | $93 |
| Annual Depression Screening, 5 to 15 MinutesG0444 | 17 | $20 |
| Automated Urinalysis Test81003 | 14 | $2 |
| New Patient Office Or Other Outpatient Visit With Low Level of Medical Decision Making, If Using Time, 30 Minutes Or More99203 | 14 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 111 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 362 | 161 |
| Pravastatin Sodium | 230 | 102 |
| Lisinopril | 218 | 96 |
| Amlodipine Besylate | 201 | 101 |
| Metformin Hcl | 181 | 95 |
| Alendronate Sodium | 175 | 86 |
| Empagliflozinbrand: Jardiance | 170 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$111 across 3 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
- 2005-08-09
- Last updated
- 2021-12-29
- Certified
- 2021-12-29
Frequently asked questions
- What is Thuy Pham's NPI number?
- Thuy Pham's National Provider Identifier (NPI) is 1558362723, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Thuy Pham's specialty?
- Thuy Pham is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Thuy Pham located?
- Thuy Pham's practice location on file with NPPES is 1530 W 6th St Ste 109, Corona, CA 92882-2784.
- What is Thuy Pham's phone number?
- The practice phone number listed in the NPPES registry for Thuy Pham is (855) 505-7457.
- Does Thuy Pham accept Medicare?
- Thuy Pham is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Thuy Pham's NPI active?
- Yes — Thuy Pham's NPI (1558362723) is active in the NPPES registry as of the last update on 2021-12-29.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.