Thomas Ly, MD
NPI 1891007787 · Family Medicine Physician · Lake Havasu City, AZ
Enrolled with Medicare as Practitioner - Hospitalist · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Thomas Ly, MD is a Family Medicine Physician provider in Lake Havasu City, AZ (NPI 1891007787).
Provider details
- NPI number
- 1891007787
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
15 yrs in NPPES registry
- Profile completeness25% of score
83% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
1,162 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) |
|---|---|---|
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 551 | $76 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 219 | $114 |
| Hospital Discharge Day Management, More Than 30 Minutes99239 | 206 | $110 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 76 | $167 |
| Subsequent Nursing Facility Care With Straightforward Level of Medical Decision Making, Per Day, If Using Time, 20 Minutes Or More99308 | 22 | $72 |
| Subsequent Nursing Facility Care With Moderate Level of Medical Decision Making, Per Day, If Using Time, at Least 30 Minutes |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 16 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 37 | 37 |
| Furosemide | 30 | 30 |
| Metoprolol Tartrate | 29 | 28 |
| Clopidogrel Bisulfatebrand: Clopidogrel | 27 | 27 |
| Amiodarone Hcl | 25 | 24 |
| Oxycodone Hcl | 23 | 23 |
| Pantoprazole Sodium | 22 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$48 across 2 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
- 2010-07-08
- Last updated
- 2012-01-18
Frequently asked questions
- What is Thomas Ly's NPI number?
- Thomas Ly's National Provider Identifier (NPI) is 1891007787, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Thomas Ly's specialty?
- Thomas Ly is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Thomas Ly located?
- Thomas Ly's practice location on file with NPPES is 101 Civic Center Ln, Lake Havasu City, AZ 86403-5607.
- What is Thomas Ly's phone number?
- The practice phone number listed in the NPPES registry for Thomas Ly is (928) 854-0002.
- Does Thomas Ly accept Medicare?
- Thomas Ly is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Thomas Ly's NPI active?
- Yes — Thomas Ly's NPI (1891007787) is active in the NPPES registry as of the last update on 2012-01-18.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.