Dr. Lawrence Xuan Zhang, MD
- Medicare services, 2024
- 203
- Medicare patients, 2024
- 208
- Part D claims, 2023
- 65
- Hospital affiliations
- 2
- Medical group
- 1
- Practice address
- 10010 Kennerly Road, Saint Louis, MO 63128
- Practice phone
- Call (314) 525-1000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
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Dr. Lawrence Xuan Zhang is an internist in Saint Louis, Missouri
Dr. Zhang practices at Mercy Hospital South in Saint Louis, Missouri, part of Mercy.
Dr. Zhang's NPI, 1447745260, was assigned on June 25, 2018. Dr. Zhang graduated from University of Missouri, Kansas City, School of Medicine in 2018. Dr. Zhang holds Missouri license 2023038257.
- NPI
- 1447745260NPI Registry (opens in a new tab)
- Medicare PAC ID
- 7214288117
- NPI enumeration date
- June 25, 2018
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (314) 525-1000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 34
- Medical school graduation
- 2018
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Lawrence Xuan Zhang practices at Mercy Hospital South in Saint Louis, Missouri
Dr. Zhang's primary practice is Mercy Hospital South, at 10010 Kennerly Road, Saint Louis, MO 63128 in St. Louis County. The practice phone is (314) 525-1000.
- Mercy Hospital South10010 Kennerly Road, Saint Louis, MO 63128 · St. Louis CountyPhone(314) 525-1000
Source: Dmand AI Affiliation Data
Dr. Lawrence Xuan Zhang is affiliated with 2 sites of care and 1 medical group
Dr. Zhang's primary practice is Mercy Hospital South in Saint Louis, Missouri, part of Mercy. Dr. Zhang is also affiliated with Mercy Hospital Jefferson. The medical group on file is Mercy Clinic South Hospitalists.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Lawrence Xuan Zhang's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Zhang practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Mercy Hospital South | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Lawrence Xuan Zhang is one of 2,114 internists in Missouri
Internal medicine is Dr. Zhang's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Zhang is licensed in Missouri.
Specialties and state licenses
- Internal medicine, MissouriPrimary
Internists near Dr. Zhang
Counts of internists 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. Lawrence Xuan Zhang billed Medicare for 203 services in 2024
CMS data shows 203 Medicare services from Dr. Zhang across 1 procedure code in 2024, for 208 Medicare patients. Medicare paid $26,199 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Zhang's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 8112024: 20375%
Dr. Zhang compared with the Missouri median for internists, 2024
- Dr. Zhang
- Missouri median
- Medicare services
- 203vs 53062% below
- Medicare patients
- 208vs 211Close to median
- Part D claims
- 65vs 32580% below
Medians across 2,076 internists in Missouri with Dmand AI profiles that report each measure.
Dr. Zhang'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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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Lawrence Xuan Zhang treated 208 Medicare patients in 2024, average age 76
CMS counts 208 Medicare patients who saw Dr. Zhang in 2024. The largest group is 75 to 84, with 79 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 21% are also on Medicaid. Their average risk score is 2.42, 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. Zhang's median patient age at 72, with 54% women.
Dr. Zhang's Medicare patients by age, 2024
Dr. Zhang's Medicare patients by sex, 2024
- Women12962%
- Men7938%
Chronic conditions among Dr. Zhang's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis64%
- Mood disorders57%
- Chronic kidney disease56%
- Heart failure56%
- Ischemic heart disease56%
- Anxiety54%
Share of Medicare patients with each condition. A patient can have several.
Dr. Zhang's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 72
Patient panel by sex, all payers
- Women54%
- Men46%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Lawrence Xuan Zhang wrote 65 Medicare Part D claims in 2023
In 2023, Dr. Zhang wrote 65 Medicare Part D claims. They cover 4 drugs, with $456 in total drug cost. In 2021, CMS named 185 claims across 12 drugs.
Dr. Zhang's most prescribed drugs by claims, 2023
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, 2021 to 2023
- 2021
- 2023
- Claims for drugs CMS names
- 2021: 1852023: 6565%
Drugs named by CMS: 4 in 2023, 12 in 2021.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
How Dr. Lawrence Xuan Zhang takes part in Medicare
Dr. Zhang 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. Lawrence Xuan Zhang graduated from University of Missouri, Kansas City, School of Medicine
Dr. Zhang graduated from University of Missouri, Kansas City, School of Medicine in 2018.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Lawrence Xuan Zhang'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) |
| 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. Lawrence Xuan Zhang
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. Lawrence Xuan Zhang's NPI number?
Dr. Lawrence Xuan Zhang's NPI number is 1447745260. It was assigned on June 25, 2018, and it is active in the NPI Registry.
What kind of doctor is Dr. Lawrence Xuan Zhang?
Dr. Lawrence Xuan Zhang is an internist in Saint Louis, Missouri. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Lawrence Xuan Zhang practice?
Dr. Zhang practices at 10010 Kennerly Road, Saint Louis, MO 63128. Dr. Zhang's primary practice is Mercy Hospital South in Saint Louis, Missouri, part of Mercy.
What is Dr. Lawrence Xuan Zhang's office phone number?
The practice phone on file for Dr. Zhang is (314) 525-1000.
What is Dr. Lawrence Xuan Zhang's medical license number?
Dr. Zhang holds Missouri license 2023038257.
Which hospitals is Dr. Lawrence Xuan Zhang affiliated with?
Dr. Zhang practices at Mercy Hospital South in Saint Louis, Missouri. Dr. Zhang is also affiliated with Mercy Hospital Jefferson.
What medical group is Dr. Lawrence Xuan Zhang part of?
Dr. Zhang is linked to Mercy Clinic South Hospitalists.
Does Dr. Lawrence Xuan Zhang accept Medicare?
Yes. CMS data shows Dr. Zhang billed Medicare for 203 services in 2024, and Dr. Zhang accepts Medicare assignment.
How many Medicare patients does Dr. Lawrence Xuan Zhang see?
CMS counts 208 Medicare patients who saw Dr. Zhang in 2024, with an average age of 76.
What services does Dr. Lawrence Xuan Zhang bill to Medicare?
In 2024, Dr. Zhang's most billed Medicare services were hospital inpatient care (99223).
Show 3 more questionsShow fewer questions
Where did Dr. Lawrence Xuan Zhang go to medical school?
Dr. Zhang graduated from University of Missouri, Kansas City, School of Medicine in 2018.
What drugs does Dr. Lawrence Xuan Zhang prescribe most?
In 2023 Medicare Part D data, Dr. Zhang's most prescribed drugs by claims were Amoxicillin-Clavulanate Potass, Doxycycline Hyclate and Furosemide.
How long has Dr. Lawrence Xuan Zhang been practicing?
Dr. Zhang graduated from medical school in 2018, 8 years ago.
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