Dr. Zhenzhen Xu, MD

  • Dallas, TX
  • Internist
NPI1194229153PAC ID2062816226
Medicare services, 2024
154
Medicare patients, 2024
55
Part D claims, 2024
112
Publications
4
MIPS score, 2024
83
Practice address
5200 Harry Hines Blvd, Dallas, TX 75235
Practice phone
Call (214) 590-8000
Professional email
Get professional email
Personal email
Get personal email
Mobile number
Get mobile number
Social profiles

Primary practice

Parkland Memorial Hospital

Hospital · Dallas, Texas

See all 4 affiliations

Find Dr. Xu'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.

View contacts for free

Dr. Zhenzhen Xu is an internist in Dallas, Texas

Dr. Xu practices at Parkland Memorial Hospital in Dallas, Texas, part of Parkland Health.

Dr. Xu's NPI, 1194229153, was assigned on March 22, 2018. Dr. Xu graduated from Yale School of Medicine in 2018. Dr. Xu's California license number on file is A167048.

NPI and contact details
Medicare PAC ID
2062816226
NPI enumeration date
March 22, 2018
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(214) 590-8000
Professional email
Get email
Personal email
Get email
Mobile number
Get number
Sex
Female
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. Zhenzhen Xu practices at Parkland Memorial Hospital in Dallas, Texas

Dr. Xu's primary practice is Parkland Memorial Hospital, at 5200 Harry Hines Blvd, Dallas, TX 75235 in Dallas County. The practice phone is (214) 590-8000.

Source: Dmand AI Affiliation Data

Dr. Zhenzhen Xu is affiliated with 3 sites of care and 1 medical group

Dr. Xu's primary practice is Parkland Memorial Hospital in Dallas, Texas, part of Parkland Health. The medical group on file is University of Texas Southwestern Medical Center. Dmand AI also links Dr. Xu to 1 more clinical lab and 1 hospital outpatient department, each named with a free account.

See all 4 affiliations for Dr. Xu

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Dr. Zhenzhen Xu's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Xu practices, 3 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Parkland Memorial HospitalAvailable with a free account
+2 more affiliated sitesAvailable with a free account

Source: Dmand AI Technology Install Data

For health IT teams

See the EHR and IT leaders at every hospital where Dr. Xu practices

Dmand AI maps EHR vendors, IT decision makers and buying committees across Parkland Health and 6.2K+ hospitals, with verified contacts in the same login.

Dr. Zhenzhen Xu is one of 8,437 internists in Texas

Internal medicine is Dr. Xu's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Xu is board certified in internal medicine by the American Board of Internal Medicine. Dmand AI has Dr. Xu's licenses on file in 2 states: California and Texas.

Specialties and state licenses

  • Internal medicine, CaliforniaPrimaryLicense A167048 · 2019 to 2023 · taxonomy 207R00000X
  • Hospitalist, TexasLicense U4052 · 2023 to 2026 · taxonomy 208M00000X

Clinical focus

Dmand AI lists congestive heart failure, non-surgical back problems and pancreatitis among the conditions Dr. Xu treats.

Internists near Dr. Xu

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. Zhenzhen Xu billed Medicare for 154 services in 2024

CMS data shows 154 Medicare services from Dr. Xu across 3 procedure codes in 2024, for 55 Medicare patients. Medicare paid $13,667 for them. Every service was in a facility, such as a hospital, rather than an office.

Medicare services, 2024154
Medicare patients55
Paid by Medicare$13,667
Procedure codes3

Dr. Xu's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Office and hospital visits
2023: 1702024: 1549%
Imaging
2023: 862024: 0100%
Tests and treatments
2023: 232024: 0100%
Surgery
2023: 2272024: 0100%

Dr. Xu compared with the Texas median for internists, 2024

  • Dr. Xu
  • Texas median
Medicare services
154vs 53971% below
Medicare patients
55vs 19071% below
Part D claims
14vs 28995% below

Medians across 7,794 internists in Texas with Dmand AI profiles that report each measure.

Dr. Xu'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.

See all procedures by Dr. Xu

Need commercial claims for Dr. Xu?

Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Xu and other internists in Texas.

Book a meeting

Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Dr. Zhenzhen Xu treated 55 Medicare patients in 2024, average age 66

CMS counts 55 Medicare patients who saw Dr. Xu in 2024. The largest group is 65 to 74, with 22 patients. 75% of them have high blood pressure, and 65% have high cholesterol. 36% are also on Medicaid. Their average risk score is 3.25, 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. Xu's median patient age at 60, with 47% women.

Medicare patients, 202455
Average age66
Average risk score3.25
Also on Medicaid36%

Dr. Xu's Medicare patients by age, 2024

CMS leaves out age groups with fewer than 11 patients.

Dr. Xu's Medicare patients by sex, 2024

  • Women1935%
  • Men3665%

Chronic conditions among Dr. Xu's Medicare patients, 2024

  1. High blood pressure75%
  2. High cholesterol65%
  3. Arthritis53%
  4. Chronic kidney disease53%
  5. Mood disorders51%
  6. Diabetes49%
  7. Depression45%
  8. Anxiety40%

Share of Medicare patients with each condition. A patient can have several.

Dr. Xu's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 60

Patient panel by sex, all payers

  • Women47%
  • Men52%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Dr. Zhenzhen Xu wrote 112 Medicare Part D claims in 2024

In 2024, Dr. Xu wrote 112 Medicare Part D claims for 31 patients. 78% of them were for generic drugs. CMS names the drug for 14 of them, across 1 drug with 11 or more claims each, at $171 in total drug cost.

Part D claims, 2024112
Drugs named by CMS1
Total drug cost$171
Part D patients31

Dr. Xu's Part D claims by kind of drug, 2024

  • Generic87 claims78%
  • Brand-name and other25 claims22%

Dr. Xu's most prescribed drugs by claims, 2021

CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.

Drug classes CMS tracks in Dr. Xu's Part D claims, 2024

  • Antibiotics11%12 of 112 claims

Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.

See all prescribing by Dr. Xu

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

Dr. Zhenzhen Xu scored 83 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 83 out of 100 for Dr. Xu for performance year 2024, reported as part of a group. Dr. Xu accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

Accepts Medicare assignment
Yes

Dr. Xu's MIPS scores, performance year 2024

  • 83of 100Final score
  • 70.1of 100Quality
  • 100of 100Promoting Interoperability
  • 40of 100Improvement Activities
  • 73of 100Cost

Each score is out of 100. The final score weighs the categories CMS scored for this clinician.

Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026

For MedTech and pharma teams

Find internists like Dr. Xu by procedure volume and prescribing

Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.

Dr. Zhenzhen Xu has 4 publications on record

Dmand AI links 4 papers to Dr. Xu, published from 2016 to 2018. The most frequent topics are Pressure Ulcer and Wound Healing. Dr. Xu has published most often in Ann Plast Surg. Dr. Xu's most frequent co-author is Andrew Bonwook Koo, MD.

Papers4
Years published2016 to 2018

Topics Dr. Xu writes about most

  • Pressure Ulcer
  • Wound Healing

Dr. Xu's most frequent co-authors

  • Andrew Bonwook Koo, MD1 shared paper

Recent publications by Dr. Xu

See all 4 publications and co-authors

See who Dr. Xu researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Xu works with, so you can find a warm path to the right internists.

How network discovery works

Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage

Dr. Zhenzhen Xu graduated from Yale School of Medicine

Dr. Xu graduated from Yale School of Medicine in 2018.

  1. Medical schoolYale School of Medicine
  2. Board certified in internal medicineAmerican Board of Internal Medicine

Source: Dmand AI Professional Profile Data

Dr. Zhenzhen Xu accepts plans from 15 insurance carriers

Dr. Xu is in network with 15 carriers, including United Healthcare, Blue Cross Blue Shield of Michigan and HCSC. HMO plans come from the most carriers, 10. Check the plan with the practice before a visit.

Plan types Dr. Xu accepts, by number of carriers

  1. HMO10
  2. PPO7
  3. Medicare4
  4. POS3
  5. EPO2

Source: Dmand AI Insurance Network Data

Sources for Dr. Zhenzhen Xu's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDmand AI Org Hierarchy Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare 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 percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab)
Publications, topics and co-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
Training, board certification and membershipsDmand AI Professional Profile Data
Insurance carriers and plan typesDmand AI Insurance Network Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Dr. Zhenzhen Xu

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. Zhenzhen Xu's NPI number?

Dr. Zhenzhen Xu's NPI number is 1194229153. It was assigned on March 22, 2018, and it is active in the NPI Registry.

What kind of doctor is Dr. Zhenzhen Xu?

Dr. Zhenzhen Xu is an internist in Dallas, Texas. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).

Where does Dr. Zhenzhen Xu practice?

Dr. Xu practices at 5200 Harry Hines Blvd, Dallas, TX 75235. Dr. Xu's primary practice is Parkland Memorial Hospital in Dallas, Texas, part of Parkland Health. Dmand AI also links Dr. Xu to 1 clinical lab and 1 hospital outpatient department.

What is Dr. Zhenzhen Xu's office phone number?

The practice phone on file for Dr. Xu is (214) 590-8000.

What is Dr. Zhenzhen Xu's medical license number?

Dr. Xu's California license number on file is A167048, one of the licenses on file in 2 states.

Which states has Dr. Zhenzhen Xu been licensed in?

Dmand AI has state licenses on file for Dr. Xu in California (2019 to 2023) and Texas (2023 to 2026).

Which hospitals is Dr. Zhenzhen Xu affiliated with?

Dr. Xu practices at Parkland Memorial Hospital in Dallas, Texas.

What medical group is Dr. Zhenzhen Xu part of?

Dr. Xu is linked to University of Texas Southwestern Medical Center.

Does Dr. Zhenzhen Xu accept Medicare?

Yes. CMS data shows Dr. Xu billed Medicare for 154 services in 2024, and Dr. Xu accepts Medicare assignment.

What is Dr. Zhenzhen Xu's MIPS score?

Dr. Xu's MIPS final score for performance year 2024 is 83 out of 100, reported as part of a group.

Show 9 more questionsShow fewer questions

How many Medicare patients does Dr. Zhenzhen Xu see?

CMS counts 55 Medicare patients who saw Dr. Xu in 2024, with an average age of 66.

Is Dr. Zhenzhen Xu board certified?

Yes. Dr. Xu is board certified in internal medicine by the American Board of Internal Medicine.

What services does Dr. Zhenzhen Xu bill to Medicare?

In 2024, Dr. Xu's most billed Medicare services were hospital inpatient care (99233), hospital inpatient care (99232) and hospital inpatient care (99239).

Where did Dr. Zhenzhen Xu go to medical school?

Dr. Xu graduated from Yale School of Medicine in 2018.

What drugs does Dr. Zhenzhen Xu prescribe most?

In 2021 Medicare Part D data, Dr. Xu's most prescribed drugs by claims were Atorvastatin Calcium.

How long has Dr. Zhenzhen Xu been practicing?

Dr. Xu graduated from medical school in 2018, 8 years ago.

Does Dr. Zhenzhen Xu do research?

Dmand AI links 4 publications to Dr. Xu, published from 2016 to 2018.

Who does Dr. Zhenzhen Xu publish with?

Dr. Xu's most frequent co-authors are Andrew Bonwook Koo, MD (1 shared paper).

What insurance does Dr. Zhenzhen Xu accept?

Dr. Xu is in network with 15 carriers, including United Healthcare, Blue Cross Blue Shield of Michigan and HCSC. HMO plans come from the most carriers, 10. Check the plan with the practice before a visit.

Selling to internal medicine practices?

See internists 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

Cookie settings

Turn each category on or off. Your choice is kept for 12 months and you can change it here at any time.

Necessary

Always on. Sign-in, security, downloads you asked for, your cookie choice, and the page that led to a signup.

View cookies (6)
  • dm_consentDmand AI. Your cookie choices and whether your browser sent a Global Privacy Control signal. 12 months.
  • dm_ft, dm_ltDmand AI. The first and the latest page you arrived on, with the date, so a signup is credited to the page that worked. 90 days, 30 days.
  • dm_fs, dm_lsDmand AI. The first and the latest source of a visit (a search engine, a campaign or the site that linked here). 90 days, 30 days.
  • dm_dl, dm_dl_okDmand AI. After you give an email address for a download, lets you download files without being asked again. 30 days.
  • Session and CSRF cookiesDmand AI (app.dmand.ai). Sign-in and form protection in the application. Session.
  • __cf_bm, cf_clearanceCloudflare. Tells people from automated traffic and keeps the site available. 30 minutes; cf_clearance while a security check is valid.

Analytics

On unless you turn it off. How pages are used, in aggregate, and recordings of how pages are used.

View cookies (6)
  • Google Tag ManagerGoogle. Loads the analytics and marketing tags that are on. Sets no cookie of its own and does not load when both categories are off. n/a.
  • _ga, _ga_<container-id>Google Analytics 4. Visits and page views in aggregate on dmand.ai. 2 years.
  • _clck, _clskMicrosoft Clarity. Recordings and heatmaps of how pages are used, with form fields masked. 1 year, 1 day.
  • CLID, MUID, ANONCHK, MR, SMMicrosoft (clarity.ms). Set by Microsoft when Clarity loads, to recognize a browser across sites that use Clarity. Up to 1 year.
  • None (cookieless)Ahrefs Analytics. Page views in aggregate. n/a.
  • ph_<project>_posthogPostHog. Product usage, errors and performance in app.dmand.ai, used to fix bugs and improve features. 365 days.

Marketing

On unless you turn it off, and always off when your browser sends a Global Privacy Control signal. A visitor identification service tells our sales team which companies and people visit.

View cookies (6)
  • _reb2buid, _reb2butkRB2B. Recognizes a returning browser for visitor identification. 360 days, 1 year.
  • _reb2bgeoRB2B. The location used to decide whether a visit can be identified. 20 days.
  • _reb2brefRB2B. The page or site that referred the visit. 15 days.
  • _reb2bfxf, _reb2btd, _reb2bliRB2B. Links the visit to an identified business profile. 1 month.
  • _reb2bresolveRB2B. Holds a match while it is being resolved. 2 days.
  • _reb2sessionID, _reb2bloadedRB2B. The current visit, and a guard against loading the script twice. 30 minutes, 1 second.

Functional

On unless you turn it off. Remembers choices such as a collapsed section.

View cookies (none today)