Phuong Ly, MD
NPI 1265512982 · Family Medicine Physician · Mission Viejo, CA
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Phuong Ly, MD is a Family Medicine Physician provider in Mission Viejo, CA (NPI 1265512982).
Provider details
- NPI number
- 1265512982
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- C8448 (AR)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
19 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
1,671 Medicare services, 2024 (ranked within specialty)
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 methodology.
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 | 585 | $138 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 253 | $98 |
| X-Ray of Chest, 2 Views71046 | 141 | $27 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 111 | $193 |
| Detection Test By Immunoassay Technique for Severe Acute Respiratory Syndrome Coronavirus87426 | 104 | $35 |
| Urinalysis, Manual Test81002 | 98 |
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 |
|---|---|---|
| Amoxicillin/Potassium Clavbrand: Amoxicillin-Clavulanate Potass | 300 | 283 |
| Azithromycin | 187 | 182 |
| Doxycycline Hyclate | 184 | 176 |
| Sulfamethoxazole/Trimethoprimbrand: Sulfamethoxazole-Trimethoprim | 115 | 107 |
| Methylprednisolone | 100 | 97 |
| Nitrofurantoin Monohyd/M-Crystbrand: Nitrofurantoin Mono-Macro | 97 | 89 |
| Prednisone |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-10-17
- Last updated
- 2022-08-23
- Certified
- 2022-08-23
Frequently asked questions
- What is Phuong Ly's NPI number?
- Phuong Ly's National Provider Identifier (NPI) is 1265512982, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Phuong Ly's specialty?
- Phuong Ly is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Phuong Ly located?
- Phuong Ly's practice location on file with NPPES is 26800 Crown Valley Pkwy Ste 150, Mission Viejo, CA 92691-8018.
- What is Phuong Ly's phone number?
- The practice phone number listed in the NPPES registry for Phuong Ly is (949) 276-2111.
- Does Phuong Ly accept Medicare?
- Phuong Ly is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Phuong Ly's NPI active?
- Yes — Phuong Ly's NPI (1265512982) is active in the NPPES registry as of the last update on 2022-08-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.