Derek Ley, DPM
- Medicare patients, 2024
- 354
- Part D claims, 2024
- 500
- MIPS score, 2024
- 81
- Hospital affiliations
- 1
- Industry payments
- $1,106
- Practice address
- 1330 Wonder World Dr, San Marcos, TX 78666
- Practice phone
- Call (512) 901-4015
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Austin Diagnostic Clinic
San Marcos, Texas
Find Derek Ley's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Derek Ley is a podiatric surgeon in San Marcos, Texas
Derek Ley practices at Austin Diagnostic Clinic in San Marcos, Texas.
Derek Ley's NPI, 1992157788, was assigned on July 6, 2016. Derek Ley graduated from California School of Podiatric Medicine in 2016. Derek Ley holds Texas license 3122.
- NPI
- 1992157788NPI Registry (opens in a new tab)
- Medicare PAC ID
- 8224361928
- NPI enumeration date
- July 6, 2016
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (512) 901-4015
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 36
- Medical school graduation
- 2016
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Derek Ley practices at Austin Diagnostic Clinic in San Marcos, Texas
Derek Ley's primary practice is Austin Diagnostic Clinic, at 1330 Wonder World Dr, San Marcos, TX 78666 in Hays County. The practice phone is (512) 901-4015.
- Austin Diagnostic Clinic1330 Wonder World Dr, San Marcos, TX 78666 · Hays CountyPhone(512) 901-4015
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Derek Ley is affiliated with 2 sites of care and 1 medical group
Derek Ley's primary practice is Austin Diagnostic Clinic in San Marcos, Texas. Derek Ley is also affiliated with St. David's North Austin Medical Center. The medical group on file is Austin Diagnostic Clinic.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Derek Ley's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Derek Ley practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Austin Diagnostic Clinic | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across each health system and 6.2K+ hospitals, with verified contacts in the same login.
Derek Ley is one of 579 podiatric surgeons in Texas
Foot and ankle surgery is Derek Ley's primary specialty in the NPI Registry, under taxonomy code 213ES0103X. Derek Ley is licensed in Texas.
Specialties and state licenses
- Foot and ankle surgery podiatrist, TexasPrimary
Podiatric surgeons near Derek Ley
Counts of podiatric surgeons 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
Derek Ley treated 354 Medicare patients in 2024, average age 76
CMS counts 354 Medicare patients who saw Derek Ley in 2024. The largest group is 75 to 84, with 149 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 10% are also on Medicaid. Their average risk score is 1.88, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Derek Ley's median patient age at 70, with 52% women.
Derek Ley's Medicare patients by age, 2024
Derek Ley's Medicare patients by sex, 2024
- Women19655%
- Men15845%
Chronic conditions among Derek Ley's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis56%
- Diabetes52%
- Ischemic heart disease39%
- Chronic kidney disease35%
- Mood disorders25%
- Anxiety24%
Share of Medicare patients with each condition. A patient can have several.
Derek Ley's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 70
Patient panel by sex, all payers
- Women52%
- Men47%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Derek Ley wrote 500 Medicare Part D claims in 2024
In 2024, Derek Ley wrote 500 Medicare Part D claims for 232 patients. 99% of them were for generic drugs.
Derek Ley's Part D claims by kind of drug, 2024
- Generic493 claims99%
- Brand-name and other7 claims1%
Drug classes CMS tracks in Derek Ley's Part D claims, 2024
- Opioids4%19 of 500 claims
- Antibiotics15%76 of 500 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
Derek Ley scored 81 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 81 out of 100 for Derek Ley for performance year 2024, reported as part of a group. Derek Ley accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 123 procedures of removal of tissue by Derek Ley, more than 87% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Derek Ley's MIPS scores, performance year 2024
- 81of 100Final score
- 64.5of 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.
Where Derek Ley ranks in Medicare procedure volume
- Removal of nail tissue
- 72nd percentile143 procedures
- Removal of tissue
- 87th percentile123 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Lower limb (leg) arthroscopy (minimally invasive joint repair): 1 to 10 procedures (CMS shows small counts as a range)
Removal or shaving of skin growth: 1 to 10 procedures (CMS shows small counts as a range)
Sources: Doctors and Clinicians National Downloadable File (CMS); Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026; and Doctors and Clinicians Utilization Data (CMS)
For MedTech and pharma teams
Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Derek Ley received $1,106 in industry payments in 2025
CMS Open Payments shows 11 general payments to Derek Ley from 4 drug and device companies in 2025. Food and beverage make up the largest share, 63% of the total. Stryker Corporation paid the most, $777.
General payments to Derek Ley by kind, 2025 to 2025
- Food and beverage$69463%
- Travel and lodging$41237%
Companies that paid Derek Ley the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Derek Ley graduated from California School of Podiatric Medicine
Derek Ley graduated from California School of Podiatric Medicine in 2016.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Derek Ley'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 | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation DataDmand AI Org Hierarchy Data |
| 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 (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)Doctors and Clinicians Utilization Data (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 Derek Ley
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Derek Ley's NPI number?
Derek Ley's NPI number is 1992157788. It was assigned on July 6, 2016, and it is active in the NPI Registry.
What does Derek Ley specialize in?
Derek Ley is a podiatric surgeon in San Marcos, Texas. The primary specialty in the NPI Registry is Foot & Ankle Surgery Podiatrist (taxonomy code 213ES0103X).
Where does Derek Ley practice?
Derek Ley practices at 1330 Wonder World Dr, San Marcos, TX 78666. Derek Ley's primary practice is Austin Diagnostic Clinic in San Marcos, Texas.
What is Derek Ley's office phone number?
The practice phone on file for Derek Ley is (512) 901-4015.
What is Derek Ley's medical license number?
Derek Ley holds Texas license 3122.
Which hospitals is Derek Ley affiliated with?
Derek Ley is affiliated with St. David's North Austin Medical Center.
What medical group is Derek Ley part of?
Derek Ley is linked to Austin Diagnostic Clinic.
Does Derek Ley accept Medicare?
Yes. CMS lists Derek Ley as accepting Medicare assignment.
What is Derek Ley's MIPS score?
Derek Ley's MIPS final score for performance year 2024 is 81 out of 100, reported as part of a group.
How many Medicare patients does Derek Ley see?
CMS counts 354 Medicare patients who saw Derek Ley in 2024, with an average age of 76.
Show 3 more questionsShow fewer questions
Where did Derek Ley go to medical school?
Derek Ley graduated from California School of Podiatric Medicine in 2016.
Has Derek Ley received payments from drug or device companies?
CMS Open Payments shows $1,106 in general payments to Derek Ley from 4 companies from 2025 to 2025. The largest total came from Stryker Corporation.
How long has Derek Ley been practicing?
Derek Ley graduated from medical school in 2016, 10 years ago.
Selling to foot and ankle surgery practices?
See podiatric surgeons in Texas by site of care and group
Find the practices, groups and hospitals they work with, and the right people to contact at each.
- 30 days free
- Self-serve
- No credit card