Dr. William Lesing Becker, MD
- Medicare services, 2022
- 827
- Part D claims, 2026
- 149
- Industry payments
- $3,260
- Affiliated sites
- 2
- Medical group
- 1
- Practice address
- 10296 Big Bend Road, suite 100, Saint Louis, MO 63122
- Practice phone
- Call (314) 735-0200
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Gateway Surgery Center - St. Louis
Surgery Center - Medicare-Certified · Saint Louis, Missouri
Find Dr. Becker'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. William Lesing Becker is an ophthalmologist in Saint Louis, Missouri
Dr. Becker practices at Gateway Surgery Center - St. Louis in Saint Louis, Missouri.
Dr. Becker's NPI, 1346386372, was assigned on January 29, 2007. Dr. Becker holds Missouri license MDR9N88.
- NPI
- 1346386372NPI Registry (opens in a new tab)
- NPI enumeration date
- January 29, 2007
- NPI status
- Active
- Practice phone
- (314) 735-0200
- 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; and Dmand AI Affiliation Data
Dr. William Lesing Becker practices at Gateway Surgery Center - St. Louis in Saint Louis, Missouri
Dr. Becker's primary practice is Gateway Surgery Center - St. Louis, at 10296 Big Bend Road, suite 100, Saint Louis, MO 63122. The practice phone is (314) 735-0200.
- Gateway Surgery Center - St. Louis10296 Big Bend Road, suite 100, Saint Louis, MO 63122Phone(314) 735-0200
Source: Dmand AI Affiliation Data
Dr. William Lesing Becker is affiliated with 2 sites of care and 1 medical group
Dr. Becker's primary practice is Gateway Surgery Center - St. Louis in Saint Louis, Missouri. Dmand AI also links Dr. Becker to 1 group practice or clinic and 1 medical group, 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. William Lesing Becker's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Becker practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Gateway Surgery Center - St. Louis | Available with a free account |
| +1 more site and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. William Lesing Becker is one of 270 ophthalmologists in Missouri
Ophthalmology is Dr. Becker's primary specialty in the NPI Registry, under taxonomy code 207W00000X. Dr. Becker is licensed in Missouri.
Specialties and state licenses
- Ophthalmology, MissouriPrimary
Ophthalmologists near Dr. Becker
Counts of ophthalmologists 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. William Lesing Becker billed Medicare for 827 services in 2022
CMS data shows 827 Medicare services from Dr. Becker across 6 procedure codes in 2022. Medicare paid $40,162 for them. Every service was in an office.
Dr. Becker's Medicare services by type, 2021 to 2022
- 2021
- 2022
- Office and hospital visits
- 2021: 7372022: 44639%
- Tests and treatments
- 2021: 7102022: 38146%
- Imaging
- 2021: 162022: 0100%
- Surgery
- 2021: 692022: 0100%
Dr. Becker compared with the Missouri median for ophthalmologists, 2022
- Dr. Becker
- Missouri median
- Medicare services
- 827vs 1,58248% below
- Part D claims
- 137vs 70381% below
Medians across 286 ophthalmologists in Missouri with Dmand AI profiles that report each measure.
Dr. Becker's most billed Medicare procedure codes, 2022
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. Becker?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Becker and other ophthalmologists in Missouri.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. William Lesing Becker's patients have a median age of 74
Across all payers, Dmand AI patient panel data puts Dr. Becker's median patient age at 74, with 63% women.
Dr. Becker's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 74
Patient panel by sex, all payers
- Women63%
- Men37%
Source: Dmand AI Patient Panel Data
Dr. William Lesing Becker wrote 149 Medicare Part D claims in 2026
In 2026, Dr. Becker wrote 149 Medicare Part D claims for 44 patients. 75% of them were for generic drugs. CMS names the drug for 137 of them, across 4 drugs with 11 or more claims each, at $1,969 in total drug cost. In 2023, CMS named 523 claims across 9 drugs.
Dr. Becker's Part D claims by kind of drug, 2026
- Generic112 claims75%
- Brand-name37 claims25%
Dr. Becker'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: 5232024: 13774%
Drugs named by CMS: 4 in 2024, 9 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), 2026 data
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Dr. William Lesing Becker received $3,260 in industry payments from 2016 to 2024
CMS Open Payments shows 41 general payments to Dr. Becker from 17 drug and device companies from 2016 to 2024. Food and beverage make up the largest share, 66% of the total. Glaukos Corporation paid the most, $1,141.
General payments to Dr. Becker by program year, 2016 to 2024
General payments to Dr. Becker by kind, 2016 to 2024
- Food and beverage$2,14766%
- Speaker and faculty fees$90028%
- Consulting fees$2137%
Companies that paid Dr. Becker the most, 2016 to 2024
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. William Lesing Becker'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 Data |
| 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) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| 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. William Lesing Becker
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. William Lesing Becker's NPI number?
Dr. William Lesing Becker's NPI number is 1346386372. It was assigned on January 29, 2007, and it is active in the NPI Registry.
What kind of doctor is Dr. William Lesing Becker?
Dr. William Lesing Becker is an ophthalmologist in Saint Louis, Missouri. The primary specialty in the NPI Registry is Ophthalmology Physician (taxonomy code 207W00000X).
Where does Dr. William Lesing Becker practice?
Dr. Becker practices at 10296 Big Bend Road, suite 100, Saint Louis, MO 63122. Dr. Becker's primary practice is Gateway Surgery Center - St. Louis in Saint Louis, Missouri. Dmand AI also links Dr. Becker to 1 group practice or clinic and 1 medical group, and a free account names each one.
What is Dr. William Lesing Becker's office phone number?
The practice phone on file for Dr. Becker is (314) 735-0200. Dmand AI also checks direct phone and mobile numbers, available with a free account.
What is Dr. William Lesing Becker's email address?
Dmand AI checks professional and personal email addresses for Dr. Becker through healthcare-specific waterfall enrichment. They are available with a free Dmand AI account.
What is Dr. William Lesing Becker's medical license number?
Dr. Becker holds Missouri license MDR9N88.
What medical group is Dr. William Lesing Becker part of?
Dmand AI links Dr. Becker to 1 medical group. A free account names the group, with the clinicians and leaders there.
Who does Dr. William Lesing Becker practice with?
Dmand AI links 3 HCPs to Dr. Becker's primary medical group, 2 of them ophthalmologists. A free account lists them, with verified contacts.
Does Dr. William Lesing Becker accept Medicare?
Yes. CMS data shows Dr. Becker billed Medicare for 827 services in 2022.
What services does Dr. William Lesing Becker bill to Medicare?
In 2022, Dr. Becker's most billed Medicare services were office visit, established patient (99214), eye exam or test (92250) and office visit, established patient (99213).
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What drugs does Dr. William Lesing Becker prescribe most?
In 2024 Medicare Part D data, Dr. Becker's most prescribed drugs by claims were Latanoprost, Dorzolamide-Timolol and Brimonidine Tartrate.
Has Dr. William Lesing Becker received payments from drug or device companies?
CMS Open Payments shows $3,260 in general payments to Dr. Becker from 17 companies from 2016 to 2024. The largest total came from Glaukos Corporation.
How long has Dr. William Lesing Becker been practicing?
Dr. Becker graduated from medical school in 1986, 40 years ago.
What EHR does Dr. William Lesing Becker's practice use?
Dmand AI tracks the EHR system at Gateway Surgery Center - St. Louis and at 1 more site and 1 medical group. The vendor and product are available with a free Dmand AI account.
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