Dr. Peter Phong Ly, MD
- Medicare services, 2024
- 375
- Medicare patients, 2024
- 354
- Part D claims, 2018
- 408
- Industry payments
- $2,437
- Affiliated sites
- 4
- Practice address
- 10921 Cherry Street, Suite 100, Los Alamitos, CA 90720
- Practice phone
- Call (562) 795-5600
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Los Alamitos Surgery Center
Surgery Center - Medicare-Certified · Los Alamitos, California
Find Dr. Ly's professional email, personal email and mobile number
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Dr. Peter Phong Ly is an anesthesiologist in Los Alamitos, California
Dr. Ly practices at Los Alamitos Surgery Center in Los Alamitos, California.
Dr. Ly's NPI, 1588684724, was assigned on July 20, 2006. Dr. Ly graduated from New York Medical College in 1996. Dr. Ly holds California license A65780.
- NPI
- 1588684724NPI Registry (opens in a new tab)
- Medicare PAC ID
- 0244234995
- NPI enumeration date
- July 20, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (562) 795-5600
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 56
- Medical school graduation
- 1996
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Peter Phong Ly practices at Los Alamitos Surgery Center in Los Alamitos, California
Dr. Ly's primary practice is Los Alamitos Surgery Center, at 10921 Cherry Street, Suite 100, Los Alamitos, CA 90720. The practice phone is (562) 795-5600.
- Los Alamitos Surgery Center10921 Cherry Street, Suite 100, Los Alamitos, CA 90720Phone(562) 795-5600
Source: Dmand AI Affiliation Data
Dr. Peter Phong Ly is affiliated with 4 sites of care and 1 medical group
Dr. Ly's primary practice is Los Alamitos Surgery Center in Los Alamitos, California. The medical group on file is Surgical Anesthesia Medical Associates Inc. Dmand AI also links Dr. Ly to 2 more physician offices and 1 ambulatory surgery center, 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. Peter Phong Ly's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Ly practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Los Alamitos Surgery Center | Available with a free account |
| +3 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Peter Phong Ly is one of 6,593 anesthesiologists in California
Anesthesiology is Dr. Ly's primary specialty in the NPI Registry, under taxonomy code 207L00000X. Dr. Ly is licensed in California.
Specialties and state licenses
- Anesthesiology, CaliforniaPrimary
Anesthesiologists near Dr. Ly
Counts of anesthesiologists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Peter Phong Ly billed Medicare for 375 services in 2024
CMS data shows 375 Medicare services from Dr. Ly across 2 procedure codes in 2024, for 354 Medicare patients. Medicare paid $41,496 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Ly's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Anesthesia
- 2023: 2852024: 37532%
Dr. Ly compared with the California median for anesthesiologists, 2024
- Dr. Ly
- California median
- Medicare services
- 375vs 725.2 times
- Medicare patients
- 354vs 1432.5 times
- Part D claims
- 408vs 2317.7 times
Medians across 5,562 anesthesiologists 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.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Ly and other anesthesiologists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Peter Phong Ly treated 354 Medicare patients in 2024, average age 74
CMS counts 354 Medicare patients who saw Dr. Ly in 2024. The largest group is 65 to 74, with 180 patients. 75% of them have high cholesterol, and 71% have high blood pressure. 23% are also on Medicaid. Their average risk score is 0.99, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Ly's median patient age at 68, with 55% women.
Dr. Ly's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Ly's Medicare patients by sex, 2024
- Women19154%
- Men16346%
Chronic conditions among Dr. Ly's Medicare patients, 2024
- High cholesterol75%
- High blood pressure71%
- Arthritis41%
- Diabetes29%
- Ischemic heart disease23%
- Chronic kidney disease22%
- Anxiety21%
- Osteoporosis18%
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 68
Patient panel by sex, all payers
- Women55%
- Men42%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Peter Phong Ly wrote 408 Medicare Part D claims in 2018
In 2018, Dr. Ly wrote 408 Medicare Part D claims. They cover 9 drugs, with $25,095 in total drug cost. In 2017, CMS named 840 claims across 15 drugs.
Dr. Ly's most prescribed drugs by claims, 2018
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Part D claims for drugs CMS names, 2017 to 2018
- 2017
- 2018
- Claims for drugs CMS names
- 2017: 8402018: 40851%
Drugs named by CMS: 9 in 2018, 15 in 2017.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
How Dr. Peter Phong Ly takes part in Medicare
Dr. Ly accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Peter Phong Ly received $2,437 in industry payments from 2016 to 2025
CMS Open Payments shows 50 general payments to Dr. Ly from 18 drug and device companies from 2016 to 2025. Travel and lodging make up the largest share, 44% of the total. Vertiflex, Inc. paid the most, $799.
General payments to Dr. Ly by program year, 2016 to 2025
General payments to Dr. Ly by kind, 2016 to 2025
- Travel and lodging$1,06644%
- Food and beverage$97240%
- Speaker and faculty fees$40016%
Companies that paid Dr. Ly the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Peter Phong Ly graduated from New York Medical College
Dr. Ly graduated from New York Medical College in 1996.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Peter Phong 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) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile 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. Peter Phong 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. Peter Phong Ly's NPI number?
Dr. Peter Phong Ly's NPI number is 1588684724. It was assigned on July 20, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Peter Phong Ly?
Dr. Peter Phong Ly is an anesthesiologist in Los Alamitos, California. The primary specialty in the NPI Registry is Anesthesiology Physician (taxonomy code 207L00000X).
Where does Dr. Peter Phong Ly practice?
Dr. Ly practices at 10921 Cherry Street, Suite 100, Los Alamitos, CA 90720. Dr. Ly's primary practice is Los Alamitos Surgery Center in Los Alamitos, California. Dmand AI also links Dr. Ly to 2 physician offices and 1 ambulatory surgery center.
What is Dr. Peter Phong Ly's office phone number?
The practice phone on file for Dr. Ly is (562) 795-5600.
What is Dr. Peter Phong Ly's medical license number?
Dr. Ly holds California license A65780.
What medical group is Dr. Peter Phong Ly part of?
Dr. Ly is linked to Surgical Anesthesia Medical Associates Inc.
Does Dr. Peter Phong Ly accept Medicare?
Yes. CMS data shows Dr. Ly billed Medicare for 375 services in 2024, and Dr. Ly accepts Medicare assignment.
How many Medicare patients does Dr. Peter Phong Ly see?
CMS counts 354 Medicare patients who saw Dr. Ly in 2024, with an average age of 74.
What services does Dr. Peter Phong Ly bill to Medicare?
In 2024, Dr. Ly's most billed Medicare services were anesthesia (00142) and anesthesia (00140).
Where did Dr. Peter Phong Ly go to medical school?
Dr. Ly graduated from New York Medical College in 1996.
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What drugs does Dr. Peter Phong Ly prescribe most?
In 2018 Medicare Part D data, Dr. Ly's most prescribed drugs by claims were Hydrocodone-Acetaminophen, Tramadol HCl and Carisoprodol.
Has Dr. Peter Phong Ly received payments from drug or device companies?
CMS Open Payments shows $2,437 in general payments to Dr. Ly from 18 companies from 2016 to 2025. The largest total came from Vertiflex, Inc.
How long has Dr. Peter Phong Ly been practicing?
Dr. Ly graduated from medical school in 1996, 30 years ago.
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