Dr. Lon Andrew Walder, DO
- Medicare services, 2024
- 145
- Medicare patients, 2024
- 119
- Part D claims, 2024
- 849
- Publications
- 3
- Hospital affiliations
- 1
- Practice address
- 2525 N Veterans Blvd - Bldg 2, Eagle Pass, TX 78852
- Practice phone
- Call (830) 773-1635
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Women's Health Center - Eagle Pass Veterans Blvd Clinic
FQHC - Main Site · Eagle Pass, Texas
Find Dr. Walder'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.
Dr. Lon Andrew Walder is a cardiologist in Eagle Pass, Texas
Dr. Walder practices at Women's Health Center - Eagle Pass Veterans Blvd Clinic in Eagle Pass, Texas.
Dr. Walder's NPI, 1184674822, was assigned on May 11, 2006. Dr. Walder graduated from Oklahoma State University College Of Osteopathic Medicine in 1986. Dr. Walder holds Texas license J3931.
- NPI
- 1184674822NPI Registry (opens in a new tab)
- Medicare PAC ID
- 4688657299
- NPI enumeration date
- May 11, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (830) 773-1635
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 66
- Medical school graduation
- 1986
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Lon Andrew Walder practices at Women's Health Center - Eagle Pass Veterans Blvd Clinic in Eagle Pass, Texas
Dr. Walder's primary practice is Women's Health Center - Eagle Pass Veterans Blvd Clinic, at 2525 N Veterans Blvd - Bldg 2, Eagle Pass, TX 78852 in Maverick County. The practice phone is (830) 773-1635.
- Women's Health Center - Eagle Pass Veterans Blvd Clinic2525 N Veterans Blvd - Bldg 2, Eagle Pass, TX 78852 · Maverick CountyPhone(830) 773-1635
Source: Dmand AI Affiliation Data
Dr. Lon Andrew Walder is affiliated with 5 sites of care and 2 medical groups
Dr. Walder's primary practice is Women's Health Center - Eagle Pass Veterans Blvd Clinic in Eagle Pass, Texas. Dr. Walder is also affiliated with Fort Duncan Regional Medical Center. The medical group on file is United Medical Centers. Dmand AI also links Dr. Walder to 1 more breast imaging center, 1 community health center, 1 group practice or clinic and 1 medical group, each named with a free account. Dr. Walder's employer is on file too: a community health center (fqhc).
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Lon Andrew Walder's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Walder practices, 5 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Women's Health Center - Eagle Pass Veterans Blvd Clinic | Available with a free account |
| +4 more sites and 1 medical group | 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.
Dr. Lon Andrew Walder is one of 1,481 cardiologists in Texas
Cardiovascular disease is Dr. Walder's primary specialty in the NPI Registry, under taxonomy code 207RC0000X. Dr. Walder is board certified in 1993 - 2027 by the TX State License. Dr. Walder is licensed in Texas.
Specialties and state licenses
- Cardiovascular disease, TexasPrimary
Clinical focus
Dmand AI lists angioplasty, cardiac catheterization, pacemaker or defibrillator implantation and pacemaker replacement among the conditions Dr. Walder treats.
Cardiologists near Dr. Walder
Counts of cardiologists 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. Lon Andrew Walder billed Medicare for 145 services in 2024
CMS data shows 145 Medicare services from Dr. Walder across 4 procedure codes in 2024, for 119 Medicare patients. Medicare paid $8,321 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Walder's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Tests and treatments
- 2023: 972024: 925%
- Office and hospital visits
- 2023: 212024: 53152%
Dr. Walder compared with the Texas median for cardiologists, 2024
- Dr. Walder
- Texas median
- Medicare services
- 145vs 1,95593% below
- Medicare patients
- 119vs 62881% below
- Part D claims
- 720vs 2,23268% below
Medians across 1,431 cardiologists in Texas with Dmand AI profiles that report each measure.
Dr. Walder'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. Walder?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Walder and other cardiologists in Texas.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Lon Andrew Walder treated 119 Medicare patients in 2024, average age 75
CMS counts 119 Medicare patients who saw Dr. Walder in 2024. The largest group is 75 to 84, with 45 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 65% are also on Medicaid. Their average risk score is 2.17, 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. Walder's median patient age at 69, with 52% women.
Dr. Walder's Medicare patients by age, 2024
Dr. Walder's Medicare patients by sex, 2024
- Women7765%
- Men4235%
Chronic conditions among Dr. Walder's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Diabetes72%
- Ischemic heart disease61%
- Arthritis56%
- Chronic kidney disease53%
- Heart failure36%
- Osteoporosis32%
Share of Medicare patients with each condition. A patient can have several.
Dr. Walder's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 69
Patient panel by sex, all payers
- Women52%
- Men47%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Lon Andrew Walder wrote 849 Medicare Part D claims in 2024
In 2024, Dr. Walder wrote 849 Medicare Part D claims for 240 patients. 93% of them were for generic drugs. CMS names the drug for 720 of them, across 15 drugs with 11 or more claims each, at $63,831 in total drug cost. In 2023, CMS named 586 claims across 12 drugs.
Dr. Walder's Part D claims by kind of drug, 2024
- Generic786 claims93%
- Brand-name63 claims7%
Dr. Walder'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.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 5862024: 72023%
Drugs named by CMS: 15 in 2024, 12 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
How Dr. Lon Andrew Walder takes part in Medicare
Dr. Walder 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)
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.
Dr. Lon Andrew Walder has 3 publications on record
Dmand AI links 3 papers to Dr. Walder.
Recent publications by Dr. Walder
J Am Coll Cardiol
See who Dr. Walder researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Walder works with, so you can find a warm path to the right cardiologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Lon Andrew Walder received $650 in industry payments from 2016 to 2023
CMS Open Payments shows 50 general payments to Dr. Walder from 11 drug and device companies from 2016 to 2023. Food and beverage make up the largest share, 98% of the total. Abbott Laboratories paid the most, $225.
General payments to Dr. Walder by program year, 2016 to 2023
General payments to Dr. Walder by kind, 2016 to 2023
- Food and beverage$64098%
- Education$102%
Companies that paid Dr. Walder the most, 2016 to 2023
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Lon Andrew Walder has 2 awards and honors on record
Dmand AI lists 2 awards for Dr. Walder, most recently CMS Stage 1 2012 in 2012.
Awards and honors for Dr. Walder
- 2012
- CMS Stage 1 2012
- Undated
- ACC Fellow
Source: Dmand AI Professional Profile Data
Dr. Lon Andrew Walder graduated from Oklahoma State University College Of Osteopathic Medicine
Dr. Walder graduated from Oklahoma State University College Of Osteopathic Medicine in 1986. Dr. Walder is a member of ACC.
- Medical school
- Board certified in 1993 - 2027
Source: Dmand AI Professional Profile Data
Dr. Lon Andrew Walder accepts plans from 22 insurance carriers
Dr. Walder is in network with 22 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. PPO plans come from the most carriers, 13. Check the plan with the practice before a visit.
- Aetna
- Elevance
- Blue Cross Blue Shield of Michigan
- United Healthcare
- Cigna
- HCSC
- Alliant Health Plans
- Aspirus Health Plan
- +14 more carriersWith a free account
Plan types Dr. Walder accepts, by number of carriers
- PPO13
- HMO12
- Medicare11
- POS6
- EPO4
Source: Dmand AI Insurance Network Data
Sources for Dr. Lon Andrew Walder'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) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Awards and committee roles | Dmand AI Professional Profile Data |
| 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. Lon Andrew Walder
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. Lon Andrew Walder's NPI number?
Dr. Lon Andrew Walder's NPI number is 1184674822. It was assigned on May 11, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Lon Andrew Walder?
Dr. Lon Andrew Walder is a cardiologist in Eagle Pass, Texas. The primary specialty in the NPI Registry is Cardiovascular Disease Physician (taxonomy code 207RC0000X).
Where does Dr. Lon Andrew Walder practice?
Dr. Walder practices at 2525 N Veterans Blvd - Bldg 2, Eagle Pass, TX 78852. Dr. Walder's primary practice is Women's Health Center - Eagle Pass Veterans Blvd Clinic in Eagle Pass, Texas. Dmand AI also links Dr. Walder to 1 breast imaging center, 1 community health center, 1 group practice or clinic and 1 medical group.
What is Dr. Lon Andrew Walder's office phone number?
The practice phone on file for Dr. Walder is (830) 773-1635.
What is Dr. Lon Andrew Walder's medical license number?
Dr. Walder holds Texas license J3931.
Which hospitals is Dr. Lon Andrew Walder affiliated with?
Dr. Walder is affiliated with Fort Duncan Regional Medical Center.
What medical group is Dr. Lon Andrew Walder part of?
Dr. Walder is linked to United Medical Centers. Dmand AI links Dr. Walder to 1 more medical group.
Does Dr. Lon Andrew Walder accept Medicare?
Yes. CMS data shows Dr. Walder billed Medicare for 145 services in 2024, and Dr. Walder accepts Medicare assignment.
How many Medicare patients does Dr. Lon Andrew Walder see?
CMS counts 119 Medicare patients who saw Dr. Walder in 2024, with an average age of 75.
Is Dr. Lon Andrew Walder board certified?
Yes. Dr. Walder is board certified in 1993 - 2027 by the TX State License.
Show 7 more questionsShow fewer questions
What services does Dr. Lon Andrew Walder bill to Medicare?
In 2024, Dr. Walder's most billed Medicare services were heart test or procedure (93010), heart test or procedure (93306) and hospital inpatient care (99223).
Where did Dr. Lon Andrew Walder go to medical school?
Dr. Walder graduated from Oklahoma State University College Of Osteopathic Medicine in 1986.
What drugs does Dr. Lon Andrew Walder prescribe most?
In 2024 Medicare Part D data, Dr. Walder's most prescribed drugs by claims were Hydralazine HCl, Losartan Potassium and Amlodipine Besylate.
Has Dr. Lon Andrew Walder received payments from drug or device companies?
CMS Open Payments shows $650 in general payments to Dr. Walder from 11 companies from 2016 to 2023. The largest total came from Abbott Laboratories.
How long has Dr. Lon Andrew Walder been practicing?
Dr. Walder graduated from medical school in 1986, 40 years ago.
Does Dr. Lon Andrew Walder do research?
Dmand AI links 3 publications to Dr. Walder.
What insurance does Dr. Lon Andrew Walder accept?
Dr. Walder is in network with 22 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. PPO plans come from the most carriers, 13. Check the plan with the practice before a visit.
Selling to cardiovascular disease practices?
See cardiologists 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