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Dr. Alan Albert Ly, DO
NPI1972008191PAC ID0941547566
- Medicare services, 2024
- 712
- Medicare patients, 2024
- 643
- Part D claims, 2024
- 318
- Publications
- 1
- MIPS score, 2024
- 83
- Practice address
- 5555 West Las Positas Boulevard, Pleasanton, CA 94588
- Practice phone
- Call (925) 847-3000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Ly's professional email, personal email and mobile number
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Dr. Alan Albert Ly is an emergency medicine physician in Pleasanton, California
Dr. Ly practices at Stanford Health Care Tri-Valley in Pleasanton, California, part of Stanford University.
Dr. Ly's NPI, 1972008191, was assigned on March 28, 2018. Dr. Ly graduated from Chicago College of Osteopathic Medicine at Midwestern University in 2018. Dr. Ly holds California license 20A18754.
NPI and contact details
- NPI
- 1972008191NPI Registry (opens in a new tab)
- Medicare PAC ID
- 0941547566
- NPI enumeration date
- March 28, 2018
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (925) 847-3000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 34
- Medical school graduation
- 2018
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Alan Albert Ly practices at Stanford Health Care Tri-Valley in Pleasanton, California
Dr. Ly's primary practice is Stanford Health Care Tri-Valley, at 5555 West Las Positas Boulevard, Pleasanton, CA 94588 in Alameda County. The practice phone is (925) 847-3000.
- Stanford Health Care Tri-Valley5555 West Las Positas Boulevard, Pleasanton, CA 94588 · Alameda CountyPhone(925) 847-3000
Source: Dmand AI Affiliation Data
Dr. Alan Albert Ly is affiliated with 2 sites of care and 4 medical groups
Dr. Ly's primary practice is Stanford Health Care Tri-Valley in Pleasanton, California, part of Stanford University. Dr. Ly is also affiliated with Washington Health. The medical group on file is Pleasanton Emergency Medical Group. Dmand AI also links Dr. Ly to 3 more medical groups, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Alan Albert Ly's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Ly practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Stanford Health Care Tri-Valley | Available with a free account |
| +1 more site and 3 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Alan Albert Ly is one of 7,423 emergency medicine physicians in California
Emergency medicine is Dr. Ly's primary specialty in the NPI Registry, under taxonomy code 207P00000X. Dr. Ly is board certified in emergency medicine by the American Board of Emergency Medicine. Dr. Ly is licensed in California.
Specialties and state licenses
- Emergency medicine, CaliforniaPrimary
Emergency medicine physicians near Dr. Ly
Counts of emergency medicine physicians with a Dmand AI profile, by place and practice. Each opens the list.
7,423emergency medicine physicians in California23emergency medicine physicians in Pleasanton23emergency medicine physicians at Stanford Health Care Tri-Valley
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Alan Albert Ly billed Medicare for 712 services in 2024
CMS data shows 712 Medicare services from Dr. Ly across 6 procedure codes in 2024, for 643 Medicare patients. Medicare paid $101,947 for them.
Medicare services, 2024712
Medicare patients643
Paid by Medicare$101,947
Procedure codes6
Dr. Ly's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 7242024: 6648%
- Tests and treatments
- 2023: 162024: 48200%
Where Dr. Ly's Medicare services took place, 2024
- In an office142%
- In a facility69898%
Dr. Ly compared with the California median for emergency medicine physicians, 2024
- Dr. Ly
- California median
- Medicare services
- 712vs 2652.7 times
- Medicare patients
- 643vs 2432.6 times
- Part D claims
- 165vs 622.7 times
Medians across 7,079 emergency medicine physicians in California with Dmand AI profiles that report each measure.
Dr. Ly's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
Need commercial claims for Dr. Ly?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Ly and other emergency medicine physicians in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Alan Albert Ly treated 643 Medicare patients in 2024, average age 77
CMS counts 643 Medicare patients who saw Dr. Ly in 2024. The largest group is 75 to 84, with 222 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 31% are also on Medicaid. Their average risk score is 1.96, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Ly's median patient age at 46, with 53% women.
Medicare patients, 2024643
Average age77
Average risk score1.96
Also on Medicaid31%
Dr. Ly's Medicare patients by age, 2024
Dr. Ly's Medicare patients by sex, 2024
- Women36557%
- Men27843%
Chronic conditions among Dr. Ly's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis47%
- Chronic kidney disease46%
- Ischemic heart disease40%
- Diabetes35%
- Mood disorders34%
- Heart failure33%
Share of Medicare patients with each condition. A patient can have several.
Dr. Ly's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 46
Patient panel by sex, all payers
- Women53%
- Men46%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Alan Albert Ly wrote 318 Medicare Part D claims in 2024
In 2024, Dr. Ly wrote 318 Medicare Part D claims for 223 patients. 95% of them were for generic drugs. CMS names the drug for 165 of them, across 9 drugs with 11 or more claims each, at $676 in total drug cost. In 2023, CMS named 135 claims across 8 drugs.
Part D claims, 2024318
Drugs named by CMS9
Total drug cost$676
Part D patients223
Dr. Ly's Part D claims by kind of drug, 2024
- Generic302 claims95%
- Brand-name16 claims5%
Dr. Ly's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Dr. Ly's Part D claims, 2024
- Opioids12%37 of 318 claims
- Antibiotics37%119 of 318 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 1352024: 16522%
Drugs named by CMS: 9 in 2024, 8 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
Dr. Alan Albert Ly scored 83 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 83 out of 100 for Dr. Ly for performance year 2024, reported as part of a group. Dr. Ly accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Dr. Ly's MIPS scores, performance year 2024
- 83of 100Final score
- 57.1of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
- 74of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
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Dr. Alan Albert Ly has 1 publication on record
Dmand AI links 1 paper to Dr. Ly in 2021. Dr. Ly's most frequent co-author is Paul F. Klawitter, MD.
Papers1
Dr. Ly's most frequent co-authors
Recent publications by Dr. Ly
See who Dr. Ly researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Ly works with, so you can find a warm path to the right emergency medicine physicians.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Alan Albert Ly graduated from Chicago College of Osteopathic Medicine at Midwestern University
Dr. Ly graduated from Chicago College of Osteopathic Medicine at Midwestern University in 2018.
- Medical school
- Board certified in emergency medicine
- Board certified in 2021 - 2026
- Board certified in 2020 - 2022
Source: Dmand AI Professional Profile Data
Dr. Alan Albert Ly accepts plans from 1 insurance carrier
Dr. Ly is in network with 1 carrier, including CMS Medicare. Medicare plans come from the most carriers, 1. Check the plan with the practice before a visit.
- CMS Medicare
Source: Dmand AI Insurance Network Data
Sources for Dr. Alan Albert Ly's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| Insurance carriers and plan types | Dmand AI Insurance Network Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Alan Albert Ly
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Alan Albert Ly's NPI number?
Dr. Alan Albert Ly's NPI number is 1972008191. It was assigned on March 28, 2018, and it is active in the NPI Registry.
What kind of doctor is Dr. Alan Albert Ly?
Dr. Alan Albert Ly is an emergency medicine physician in Pleasanton, California. The primary specialty in the NPI Registry is Emergency Medicine Physician (taxonomy code 207P00000X).
Where does Dr. Alan Albert Ly practice?
Dr. Ly practices at 5555 West Las Positas Boulevard, Pleasanton, CA 94588. Dr. Ly's primary practice is Stanford Health Care Tri-Valley in Pleasanton, California, part of Stanford University. Dmand AI also links Dr. Ly to 3 medical groups.
What is Dr. Alan Albert Ly's office phone number?
The practice phone on file for Dr. Ly is (925) 847-3000.
What is Dr. Alan Albert Ly's medical license number?
Dr. Ly holds California license 20A18754.
Which hospitals is Dr. Alan Albert Ly affiliated with?
Dr. Ly practices at Stanford Health Care Tri-Valley in Pleasanton, California. Dr. Ly is also affiliated with Washington Health.
What medical group is Dr. Alan Albert Ly part of?
Dr. Ly is linked to Pleasanton Emergency Medical Group. Dmand AI links Dr. Ly to 3 more medical groups.
Does Dr. Alan Albert Ly accept Medicare?
Yes. CMS data shows Dr. Ly billed Medicare for 712 services in 2024, and Dr. Ly accepts Medicare assignment.
What is Dr. Alan Albert Ly's MIPS score?
Dr. Ly's MIPS final score for performance year 2024 is 83 out of 100, reported as part of a group.
How many Medicare patients does Dr. Alan Albert Ly see?
CMS counts 643 Medicare patients who saw Dr. Ly in 2024, with an average age of 77.
Show 8 more questionsShow fewer questions
Is Dr. Alan Albert Ly board certified?
Yes. Dr. Ly is board certified in emergency medicine by the American Board of Emergency Medicine.
What services does Dr. Alan Albert Ly bill to Medicare?
In 2024, Dr. Ly's most billed Medicare services were emergency department visit (99285), critical care (99291) and emergency department visit (99284).
Where did Dr. Alan Albert Ly go to medical school?
Dr. Ly graduated from Chicago College of Osteopathic Medicine at Midwestern University in 2018.
What drugs does Dr. Alan Albert Ly prescribe most?
In 2024 Medicare Part D data, Dr. Ly's most prescribed drugs by claims were Hydrocodone-Acetaminophen, Amoxicillin-Clavulanate Potass and Ondansetron ODT.
How long has Dr. Alan Albert Ly been practicing?
Dr. Ly graduated from medical school in 2018, 8 years ago.
Does Dr. Alan Albert Ly do research?
Dmand AI links 1 publication to Dr. Ly.
Who does Dr. Alan Albert Ly publish with?
Dr. Ly's most frequent co-authors are Paul F. Klawitter, MD (1 shared paper).
What insurance does Dr. Alan Albert Ly accept?
Dr. Ly is in network with 1 carrier, including CMS Medicare. Medicare plans come from the most carriers, 1. Check the plan with the practice before a visit.
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