ALAN ALBERT LY DO
NPI 1972008191
Emergency Medicine in Pleasanton, CA

Active since March 28, 2018PECOS EnrolledAccepts Medicare Assignment
100/100
CMS Quality Rating
5555 W LAS POSITAS BLVD, PLEASANTON, CA 94588(415) 990-3017 Get Directions Write a Review

NPPES record last updated: December 19, 2022. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: Dec 19, 2022, Jun 11, 2021, Mar 28, 2018 (3 updates tracked since 2018).

About Alan Albert Ly Do NPPES

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

ALAN ALBERT LY DO (NPI 1972008191) is an individual emergency medicine provider in Pleasanton, California, licensed in California (20A18754) and active in the NPI registry since March 2018. He is enrolled in Medicare PECOS and is a graduate of Other (2018).

NPPES Registry Identity

NPI1972008191
Entity TypeIndividualMale
Primary Taxonomy207P00000X
Provider Legal NameALAN ALBERT LYCredential: DO
Location Address5555 W LAS POSITAS BLVDPleasanton, CA 94588-4000
Mailing Address5555 W Las Positas BlvdPleasanton, CA 94588-4000 · (925) 847-3000
Sole ProprietorYes
Medical School CMSOtherGraduated 2018
Enumeration DateMarch 28, 2018
Last NPPES UpdateDecember 19, 20223 updates tracked since enumeration
NPPES CertifiedDecember 19, 2022
NPI 1972008191 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyEmergency MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207P00000X
License Licensed in CA · 20A18754
Definition

An emergency physician focuses on the immediate decision making and action necessary to prevent death or any further disability both in the pre-hospital setting by directing emergency medical technicians and in the emergency department. The emergency physician provides immediate recognition, evaluation, care, stabilization and disposition of a generally diversified population of adult and pediatric patients in response to acute illness and injury.

5555 W LAS POSITAS BLVD, Pleasanton, CA 94588

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Alan Albert Ly Do 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 ID941547566
PECOS Enrollment IDI20210805002020
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.

Areas of Expertise CMS Part B claims 6

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.

Emergency department visit with high level of medical decision making 99285
An emergency department visit for severe conditions is when you urgently seek medical help due to serious health issues. These could be severe injuries, breathing problems, unbearable pain, or sudden severe illness. Doctors and nurses will provide immediate care to stabilize your condition.
385 services367 patients
Critical care, first 30-74 minutes 99291
Critical care involves immediate and constant attention by a team of specially-trained health professionals. It's for patients with life-threatening conditions, requiring first 30-74 minutes of intense monitoring and treatment.
139 services137 patients
Emergency department visit with moderate level of medical decision making 99284
An emergency department visit for a high-severity issue means you're experiencing a serious health problem that needs immediate attention. This could be a severe injury, serious illness, or life-threatening condition. Medical professionals will provide urgent care to stabilize your condition.
102 services101 patients
Electrocardiogram (ecg) 1 to 3 leads with review by physician only 93042
An Electrocardiogram (ECG) is a non-invasive test that records the electrical activity of your heart. 1 to 3 leads or sensors are placed on your body to capture this data. A physician then reviews the results to evaluate your heart's health.
48 services46 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.
24 services24 patients
Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
14 services14 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 94588 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
$104.51 typical visit price
range $69.00 – $202.35
Typical copayment $26.12 (range $17.25 – $50.58)
Most-billed visit code 99203
Established Patient
$119.48 typical visit price
range $23.44 – $166.46
Typical copayment $29.87 (range $5.86 – $41.61)
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.

100/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Promoting Interoperability100
Improvement Activities40

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.

Emergency Medicine
5555 W LAS POSITAS BLVD
PLEASANTON, CA 94588
Emergency Medicine
5555 W LAS POSITAS BLVD
PLEASANTON, CA 94588
Emergency Medicine
5555 W LAS POSITAS BLVD
PLEASANTON, CA 94588
Emergency Medicine
5555 W LAS POSITAS BLVD
PLEASANTON, CA 94588
Emergency Medicine
5555 W LAS POSITAS BLVD
PLEASANTON, CA 94588
Emergency Medicine
5555 W LAS POSITAS BLVD
PLEASANTON, CA 94588
Emergency Medicine
5555 W LAS POSITAS BLVD
PLEASANTON, CA 94588
Emergency Medicine
5555 W LAS POSITAS BLVD
PLEASANTON, CA 94588

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 Alan Ly's NPI number?

The NPI number for Alan Ly is 1972008191. It was assigned to this individual provider in the NPPES registry on March 28, 2018.

Where is Alan Ly located?

Alan Ly practices at 5555 W Las Positas Blvd, Pleasanton, CA 94588. The listed phone number is (415) 990-3017.

What is Alan Ly's specialty?

The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.

Is Alan Ly enrolled in Medicare?

Yes. Alan 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.

When was this NPI record last updated?

The NPPES record for Alan Ly was last updated on December 19, 2022. NPI Profile syncs with the weekly NPPES data releases published by CMS.