THOMAS C LY MD
NPI 1891007787
Family Medicine in Lake Havasu City, AZ

Q: What is Thomas Ly's NPI number?

The NPI number for Thomas Ly is 1891007787. It was assigned to this individual provider in the NPPES registry on July 8, 2010.

Q: What is Thomas Ly's specialty?

The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.

Q: When was this NPI record last updated?

The NPPES record for Thomas Ly was last updated on January 18, 2012. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since July 08, 2010PECOS EnrolledAccepts Medicare Assignment

97.54/100

CMS Quality Rating

101 CIVIC CENTER LN, LAKE HAVASU CITY, AZ 86403(928) 854-0002(928) 453-0885 Get Directions Write a Review

NPPES record last updated: January 18, 2012. Verified against the NPPES registry weekly; last sync: November 01, 2026.

On this page

About Thomas C Ly Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

THOMAS C LY MD (NPI 1891007787) is an individual family medicine provider in Lake Havasu City, Arizona, licensed in Arizona (45537) and active in the NPI registry since July 2010. He is enrolled in Medicare PECOS and is a graduate of Other (2006).

NPPES Registry Identity

NPI1891007787

Entity TypeIndividualMale

Primary Taxonomy207Q00000X

Provider Legal NameTHOMAS C LYCredential: MD

Location Address101 CIVIC CENTER LNLake Havasu City, AZ 86403-5607

Mailing Address13236 N 7th St, Ste 4- 255Phoenix, AZ 85022-5343 · (928) 854-0002 · Fax (928) 453-0885

Phone(928) 854-0002

Fax(928) 453-0885

Sole ProprietorNo

Medical School CMSOtherGraduated 2006

Enumeration DateJuly 8, 2010

Last NPPES UpdateJanuary 18, 2012

✔ NPI 1891007787 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207Q00000X

License✔ Licensed in AZ · 45537

Definition

Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.

Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X

101 CIVIC CENTER LN, Lake Havasu City, AZ 86403

Open in Google Maps ↗

Other Identifiers 2

Medicare PINZ149928AZ

Medicaid666099AZ

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Arizona Complete Health, Ambetter Health, Blue Cross Blue Shield of Arizona and more.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Thomas C Ly Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID8224204110

PECOS Enrollment IDI20111227000084

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

Medicare enrollment records show Thomas Ly reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Apogee Medical Group Inc

Same address

Internal Medicine

101 CIVIC CENTER LN
Lake Havasu City, AZ 86403

Reassigned Medicare billing, Arizona enrollment
240 clinicians in this Medicare group

NPI 1760652218 (928) 855-8185

La Paz Regional Hospital Inc

23 mi

Urgent Care

401 W RIVERSIDE DR
Parker, AZ 85344

Reassigned Medicare billing, Arizona enrollment
Also billed through NPI 1053684555 (Arizona)
113 clinicians in this Medicare group

NPI 1598009029 (928) 669-7443

Comprehensive Hospitalist Services Of Arizona, LLC

45 mi

Hospitalist

2735 SILVER CREEK RD
Bullhead City, AZ 86442

Reassigned Medicare billing, Arizona enrollment
117 clinicians in this Medicare group

NPI 1265823215 (928) 763-2273

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 11

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232

Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.

551 services218 patients

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233

Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.

219 services147 patients

Hospital discharge day management, more than 30 minutes 99239

Hospital discharge day management over 30 minutes involves a detailed process to ensure a smooth transition from hospital to home. It includes final examinations, discussion of your hospital stay, post-discharge instructions, and coordinating follow-up care.

206 services199 patients

Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223

Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.

76 services75 patients

Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, 20 minutes or more 99308

A follow-up nursing facility visit per day is a daily check-up service provided by healthcare professionals. It lasts around 15 minutes and involves assessing your health status, monitoring your recovery progress, and addressing any concerns you may have about your health or treatment.

22 services12 patients

Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes 99309

A follow-up nursing facility visit per day is a daily check-in by a healthcare professional. This 25-minute visit typically involves monitoring your health progress, addressing any concerns, and adjusting treatment plans as necessary. It's a vital part of ensuring your ongoing wellbeing.

21 services20 patients

Nursing facility discharge management, more than 30 minutes 99316

Nursing facility discharge management over 30 minutes is a comprehensive process where a healthcare team prepares you for leaving the facility. It involves creating a tailored plan, coordinating care, and ensuring a smooth transition to your next care setting.

17 services17 patients

Initial hospital care with same-day admission and discharge with straightforward or low level of medical decision making, per day, if using time, at least 45 minutes 99234

Hospital observation or inpatient care is a brief medical service where you're admitted and discharged on the same day. This typically lasts about 40 minutes and is for low severity issues. It involves monitoring your condition, administering necessary treatment, and ensuring your well-being before discharge.

14 services14 patients

Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 99222

Initial hospital inpatient care is a service where a healthcare provider spends about 50 minutes per day overseeing your care while you're admitted in the hospital. This includes reviewing your health status, planning your treatment, and ensuring your safety and comfort.

13 services13 patients

Initial hospital care with straightforward or low level of medical decision making, per day, if using time, at least 40 minutes 99221

Initial hospital inpatient care refers to the first day of your stay in the hospital. This service typically includes a 30-minute check-up with a healthcare professional. They'll assess your health, discuss your condition, and plan your treatment. It's part of ensuring you receive the best possible care.

12 services11 patients

Initial nursing facility care with high level of medical decision making, per day, if using time, 50 minutes or more 99306

An initial nursing facility visit is your first meeting with your healthcare team at a nursing facility. Lasting typically 45 minutes, this appointment involves a comprehensive health assessment and the creation of your personalized care plan. It's a crucial step to ensure your health and well-being.

11 services11 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 86403 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$85.89 typical visit price

range $55.44 – $168.60

Typical copayment $21.47 (range $13.86 – $42.15)

Most-billed visit code 99203

Established Patient

$98.00 typical visit price

range $17.72 – $137.41

Typical copayment $24.50 (range $4.43 – $34.35)

Most-billed visit code 99214

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

97.54/100

MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program

Scored as part of a group practice

Quality

98.58

Improvement Activities

Cost

85.55

Referred Medical Equipment & Supplies CMS DME claims 2

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Portable gaseous oxygen system, rental; includes portable container, regulator, flowmeter, humidifier, cannula or mask, and tubing E0431

DME-Oxygen and Supplies · category DC000N

4 suppliers47 claims49 services$15.76 avg. paid by Medicare

Oxygen concentrator, single delivery port, capable of delivering 85 percent or greater oxygen concentration at the prescribed flow rate E1390

DME-Oxygen and Supplies · category DC002N

4 suppliers47 claims49 services$76.27 avg. paid by Medicare

Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

HRMC, LLC

Internal Medicine (Hematology & Oncology)

101 CIVIC CENTER LN
LAKE HAVASU CITY, AZ 86403

Mohave County (928) 453-3761

MARK CHOREBANIAN MD

Internal Medicine

101 CIVIC CENTER LN
LAKE HAVASU CITY, AZ 86403

Mohave County (928) 453-0174

HAVASU EMERGENCY PHYSICIANS, PC

Emergency Medicine

101 CIVIC CENTER LN
LAKE HAVASU CITY, AZ 86403

Mohave County (928) 453-0150

DESERT MEDICAL STAFFING, LLC

Specialist

101 CIVIC CENTER LN, RADIATION-ONCOLOGY BUILDING
LAKE HAVASU CITY, AZ 86403

Mohave County (928) 453-6092

HAVASU REGIONAL MEDICAL CENTER LLC

Dietitian, Registered

101 CIVIC CENTER LN
LAKE HAVASU CITY, AZ 86403

Mohave County (928) 855-8185

ABBAS MUZAFAR CHEEMA MD

Internal Medicine

101 CIVIC CENTER LN
LAKE HAVASU CITY, AZ 86403

Mohave County (928) 855-8185

ARIZONA COAST RADIOLOGY, PLLC

Radiology (Diagnostic Radiology)

101 CIVIC CENTER LN
LAKE HAVASU CITY, AZ 86403

Mohave County (928) 412-7485

KATALIN H BOLERATZKY MD INC

Anesthesiology

101 CIVIC CENTER LN
LAKE HAVASU CITY, AZ 86403

Mohave County (928) 855-8185

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Thomas Ly's NPI number?

The NPI number for Thomas Ly is 1891007787. It was assigned to this individual provider in the NPPES registry on July 8, 2010.

Where is Thomas Ly located?

Thomas Ly practices at 101 Civic Center Ln, Lake Havasu City, AZ 86403. The listed phone number is (928) 854-0002.

What is Thomas Ly's specialty?

The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.

Is Thomas Ly enrolled in Medicare?

Yes. Thomas Ly is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organizations bill Medicare for Thomas Ly's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Thomas Ly reassigns Medicare benefits to 3 organizations: Apogee Medical Group Inc (Lake Havasu City, AZ), La Paz Regional Hospital Inc (Parker, AZ) and Comprehensive Hospitalist Services Of Arizona, LLC (Bullhead City, AZ). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Thomas Ly's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Thomas Ly accept?

Health plans from Ambetter Health, Ambetter from Arizona Complete Health, Blue Cross Blue Shield of Arizona and Cigna HealthCare of Arizona, Inc list Thomas Ly as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Thomas Ly was last updated on January 18, 2012. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.