Dr. John Leonard, MD
- Medicare services, 2020
- 182
- Part D claims, 2020
- 50
- Medical group
- 1
- Insurance carriers
- 2
- State licenses
- 2
- Practice address
- 12412 Judson Rd, Live Oak, TX 78233-3255
- Practice phone
- Call (210) 757-7000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Medical group
Find Dr. Leonard'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. John Leonard is an emergency medicine physician in Live Oak, Texas
Dr. Leonard practices with Mercyhealth Physicians, a medical group.
Dr. Leonard's NPI, 1154741155, was assigned on April 17, 2014. Dr. Leonard graduated from Rush Medical College in 2014. Dr. Leonard's Texas license number on file is R3706.
- NPI
- 1154741155NPI Registry (opens in a new tab)
- NPI enumeration date
- April 17, 2014
- NPI status
- Active
- Practice phone
- (210) 757-7000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Medical school graduation
- 2014
Sources: NPPES NPI Registry (CMS); and Dmand AI Professional Profile Data
Dr. John Leonard's practice address is in Live Oak, Texas
Dr. Leonard's practice address in the NPI Registry is 12412 Judson Rd, Live Oak, TX 78233-3255. The practice phone is (210) 757-7000.
- NPI Registry address12412 Judson Rd, Live Oak, TX 78233-3255Phone(210) 757-7000
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. John Leonard is affiliated with 1 medical group
Dr. Leonard is part of Mercyhealth Physicians, a medical group in Rockford, Illinois.
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. John Leonard's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Leonard practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Mercyhealth Physicians | 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 Mercyhealth Physicians and 6.2K+ hospitals, with verified contacts in the same login.
Dr. John Leonard is one of 4,831 emergency medicine physicians in Texas
Emergency medicine is Dr. Leonard's primary specialty in the NPI Registry, under taxonomy code 207P00000X. Dr. Leonard is board certified in emergency medicine by the American Board of Emergency Medicine. Dmand AI has Dr. Leonard's licenses on file in 2 states: Texas and Illinois.
Specialties and state licenses
- Emergency medicine, TexasPrimary
- Illinois license
Emergency medicine physicians near Dr. Leonard
Counts of emergency medicine physicians 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. John Leonard billed Medicare for 182 services in 2020
CMS data shows 182 Medicare services from Dr. Leonard across 3 procedure codes in 2020. Medicare paid $18,052 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Leonard's Medicare services by type, 2019 to 2020
- 2019
- 2020
- Office and hospital visits
- 2019: 742020: 182146%
Dr. Leonard compared with the Texas median for emergency medicine physicians, 2020
- Dr. Leonard
- Texas median
- Medicare services
- 182vs 22519% below
- Part D claims
- 50vs 7432% below
Medians across 4,588 emergency medicine physicians in Texas with Dmand AI profiles that report each measure.
Dr. Leonard's most billed Medicare procedure codes, 2020
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. Leonard and other emergency medicine physicians in Texas.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. John Leonard wrote 50 Medicare Part D claims in 2020
In 2020, Dr. Leonard wrote 50 Medicare Part D claims. They cover 3 drugs, with $362 in total drug cost. In 2019, CMS named 30 claims across 2 drugs.
Dr. Leonard's most prescribed drugs by claims, 2020
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, 2019 to 2020
- 2019
- 2020
- Claims for drugs CMS names
- 2019: 302020: 5067%
Drugs named by CMS: 3 in 2020, 2 in 2019.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
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Dr. John Leonard graduated from Rush Medical College
Dr. Leonard graduated from Rush Medical College in 2014.
- Medical school
- Board certified in emergency medicine
Source: Dmand AI Professional Profile Data
Dr. John Leonard accepts plans from 2 insurance carriers
Dr. Leonard is in network with 2 carriers, including Blue Cross Blue Shield of Michigan and WI State Medicaid. HMO plans come from the most carriers, 1. Check the plan with the practice before a visit.
- Blue Cross Blue Shield of Michigan
- WI State Medicaid
Plan types Dr. Leonard accepts, by number of carriers
- HMO1
- Medicaid1
- POS1
- PPO1
Source: Dmand AI Insurance Network Data
Sources for Dr. John Leonard'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 | Dmand AI Affiliation 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 |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab) |
| 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. John Leonard
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. John Leonard's NPI number?
Dr. John Leonard's NPI number is 1154741155. It was assigned on April 17, 2014, and it is active in the NPI Registry.
What kind of doctor is Dr. John Leonard?
Dr. John Leonard is an emergency medicine physician in Live Oak, Texas. The primary specialty in the NPI Registry is Emergency Medicine Physician (taxonomy code 207P00000X).
Where does Dr. John Leonard practice?
Dr. Leonard practices at 12412 Judson Rd, Live Oak, TX 78233-3255. Dr. Leonard's primary practice is Mercyhealth Physicians, a medical group.
What is Dr. John Leonard's office phone number?
The practice phone on file for Dr. Leonard is (210) 757-7000.
What is Dr. John Leonard's medical license number?
Dr. Leonard's Texas license number on file is R3706, one of the licenses on file in 2 states.
Which states has Dr. John Leonard been licensed in?
Dmand AI has state licenses on file for Dr. Leonard in Texas (2017 to 2022) and Illinois (2019 to 2026).
What medical group is Dr. John Leonard part of?
Dr. Leonard is part of Mercyhealth Physicians in Rockford, Illinois.
Does Dr. John Leonard accept Medicare?
Yes. CMS data shows Dr. Leonard billed Medicare for 182 services in 2020.
Is Dr. John Leonard board certified?
Yes. Dr. Leonard is board certified in emergency medicine by the American Board of Emergency Medicine.
What services does Dr. John Leonard bill to Medicare?
In 2020, Dr. Leonard's most billed Medicare services were emergency department visit (99284), emergency department visit (99285) and emergency department visit (99283).
Show 4 more questionsShow fewer questions
Where did Dr. John Leonard go to medical school?
Dr. Leonard graduated from Rush Medical College in 2014.
What drugs does Dr. John Leonard prescribe most?
In 2020 Medicare Part D data, Dr. Leonard's most prescribed drugs by claims were Ondansetron ODT, Hydrocodone-Acetaminophen and Acetaminophen-Codeine.
How long has Dr. John Leonard been practicing?
Dr. Leonard graduated from medical school in 2014, 12 years ago.
What insurance does Dr. John Leonard accept?
Dr. Leonard is in network with 2 carriers, including Blue Cross Blue Shield of Michigan and WI State Medicaid. HMO plans come from the most carriers, 1. Check the plan with the practice before a visit.
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