Am J Clin Pathol
CaliforniaChemistry, ClinicalHospitals, University
Dr. Edward Tze Wong, MD
NPI1679559157PAC ID9436101235
- Medicare services, 2024
- 1,074
- Medicare patients, 2024
- 269
- Part D claims, 2024
- 1,009
- Publications
- 10
- MIPS score, 2024
- 100
- Practice address
- 44725 10th St W, Lancaster, CA 93534-3033
- Practice phone
- Call (310) 348-0500
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Sierra Gastroenterology
Physician office · Lancaster, California
Find Dr. Wong'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. Edward Tze Wong is a gastroenterologist in Lancaster, California
Dr. Wong practices at Sierra Gastroenterology in Lancaster, California.
Dr. Wong's NPI, 1679559157, was assigned on December 16, 2005. Dr. Wong graduated from Albert Einstein College of Medicine in 1987. Dr. Wong's California license number on file is G63865.
NPI and contact details
- NPI
- 1679559157NPI Registry (opens in a new tab)
- Medicare PAC ID
- 9436101235
- NPI enumeration date
- December 16, 2005
- NPI status
- Active
- Practice phone
- (310) 348-0500
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 65
- Medical school graduation
- 1987
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. Edward Tze Wong practices at Sierra Gastroenterology in Lancaster, California
Dr. Wong's primary practice is Sierra Gastroenterology, at 44725 10th St W, Lancaster, CA 93534-3033. The practice phone is (310) 348-0500.
- Sierra Gastroenterology44725 10th St W, Lancaster, CA 93534-3033Phone(310) 348-0500
Source: Dmand AI Affiliation Data
Dr. Edward Tze Wong is affiliated with 5 sites of care and 1 medical group
Dr. Wong's primary practice is Sierra Gastroenterology in Lancaster, California. Dr. Wong is also affiliated with Antelope Valley Medical Center. The medical group on file is Harbor-UCLA Medical Center. Dmand AI also links Dr. Wong to 1 more hospital, 1 physician office and 1 group practice or clinic, each named with a free account.
Sierra GastroenterologyPrimary
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Edward Tze Wong's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Wong practices, 5 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Sierra Gastroenterology | Available with a free account |
| +4 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
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Dr. Edward Tze Wong is one of 1,977 gastroenterologists in California
Gastroenterology is Dr. Wong's primary specialty in the NPI Registry, under taxonomy code 207RG0100X. Dr. Wong is board certified in gastroenterology by the American Board of Internal Medicine. Dr. Wong has a license on file in California.
Specialties and state licenses
- Gastroenterology, CaliforniaPrimary
Clinical focus
Dmand AI lists acid reflux, acute gastroduodenitis, acute kidney failure, bronchitis, chronic anemia, chronic diabetes, chronic hypertension and chronic kidney disease among the conditions Dr. Wong treats.
Gastroenterologists near Dr. Wong
Counts of gastroenterologists 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. Edward Tze Wong billed Medicare for 1,074 services in 2024
CMS data shows 1,074 Medicare services from Dr. Wong across 16 procedure codes in 2024, for 269 Medicare patients. Medicare paid $76,428 for them.
Medicare services, 20241,074
Medicare patients269
Paid by Medicare$76,428
Procedure codes16
Dr. Wong's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 8212024: 8072%
- Drugs given in the office
- 2023: 1162024: 1193%
- Surgery
- 2023: 1482024: 10231%
- Lab and pathology
- 2023: 662024: 4630%
Where Dr. Wong's Medicare services took place, 2024
- In an office52849%
- In a facility54651%
Dr. Wong compared with the California median for gastroenterologists, 2024
- Dr. Wong
- California median
- Medicare services
- 1,074vs 58683% above
- Medicare patients
- 269vs 30211% below
- Part D claims
- 627vs 38065% above
Medians across 1,875 gastroenterologists in California with Dmand AI profiles that report each measure.
Dr. Wong'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. Wong?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Wong and other gastroenterologists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Edward Tze Wong treated 269 Medicare patients in 2024, average age 71
CMS counts 269 Medicare patients who saw Dr. Wong in 2024. The largest group is 65 to 74, with 123 patients. 75% of them have high blood pressure, and 74% have high cholesterol. 55% are also on Medicaid. Their average risk score is 2.14, 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. Wong's median patient age at 58, with 49% women.
Medicare patients, 2024269
Average age71
Average risk score2.14
Also on Medicaid55%
Dr. Wong's Medicare patients by age, 2024
Dr. Wong's Medicare patients by sex, 2024
- Women14755%
- Men12245%
Chronic conditions among Dr. Wong's Medicare patients, 2024
- High blood pressure75%
- High cholesterol74%
- Arthritis56%
- Diabetes51%
- Anxiety35%
- COPD32%
- Mood disorders32%
- Chronic kidney disease30%
Share of Medicare patients with each condition. A patient can have several.
Dr. Wong's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 58
Patient panel by sex, all payers
- Women49%
- Men50%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Edward Tze Wong wrote 1,009 Medicare Part D claims in 2024
In 2024, Dr. Wong wrote 1,009 Medicare Part D claims for 189 patients. 84% of them were for generic drugs. CMS names the drug for 627 of them, across 27 drugs with 11 or more claims each, at $20,995 in total drug cost. In 2023, CMS named 744 claims across 30 drugs.
Part D claims, 20241,009
Drugs named by CMS27
Total drug cost$20,995
Part D patients189
Dr. Wong's Part D claims by kind of drug, 2024
- Generic845 claims84%
- Brand-name and other164 claims16%
Dr. Wong'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.
Drug classes CMS tracks in Dr. Wong's Part D claims, 2024
- Opioids1%15 of 1,009 claims
- Antibiotics1%13 of 1,009 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 7442024: 62716%
Drugs named by CMS: 27 in 2024, 30 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
Dr. Edward Tze Wong scored 100 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 100 out of 100 for Dr. Wong for performance year 2024, reported individually. CMS counts 86 procedures of colonoscopy by Dr. Wong, more than 76% of the clinicians it reports for that procedure.
Dr. Wong's MIPS scores, performance year 2024
- 100of 100Final score
- 100of 100Quality
- 40of 100Improvement Activities
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Where Dr. Wong ranks in Medicare procedure volume
- Colonoscopy
- 76th percentile86 procedures
- Upper gastrointestinal (GI) endoscopy for acid reflux
- 66th percentile60 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Sources: Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026; and Doctors and Clinicians Utilization Data (CMS)
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Dr. Edward Tze Wong has 10 publications on record
Dmand AI links 10 papers to Dr. Wong. The most frequent topics are Creatine Kinase, Gas Chromatography-Mass Spectrometry and Pathology, Clinical. Dr. Wong has published most often in Am J Clin Pathol. Dr. Wong's most frequent co-author is Eva S. Wasef, MD.
Papers10
Topics Dr. Wong writes about most
- Creatine Kinase
- Gas Chromatography-Mass Spectrometry
- Pathology, Clinical
- Reference Values
- Urban Population
Dr. Wong's most frequent co-authors
Recent publications by Dr. Wong
J Anal Toxicol
CocaineGas Chromatography-Mass SpectrometryHospitals, Teaching
1-PropanolAcetoneGas Chromatography-Mass Spectrometry
See who Dr. Wong researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Wong works with, so you can find a warm path to the right gastroenterologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Edward Tze Wong received $365 in industry payments from 2018 to 2025
CMS Open Payments shows 18 general payments to Dr. Wong from 11 drug and device companies from 2018 to 2025. Food and beverage make up the largest share, 91% of the total. Shionogi Inc paid the most, $96.
General payments to Dr. Wong by program year, 2018 to 2025
General payments to Dr. Wong by kind, 2018 to 2025
$365in total
- Food and beverage$33491%
- Education$205%
- Consulting fees$123%
Companies that paid Dr. Wong the most, 2018 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Edward Tze Wong has 8 awards and honors on record
Dmand AI lists 8 awards for Dr. Wong, most recently CMS Stage 1 2012 in 2011.
Awards and honors for Dr. Wong
- 2011
- CMS Stage 1 2012
- 2006
- ACP Fellow
- 2002
- AGA Fellow
- 1993
- Postdoctoral Research Fellowship
- 1987
- International Fellowship
- 1982
- Scholarship
Source: Dmand AI Professional Profile Data
Dr. Edward Tze Wong graduated from Albert Einstein College of Medicine
Dr. Wong graduated from Albert Einstein College of Medicine in 1987. Dr. Wong is a member of ACP and AGA.
- Medical school
- Board certified in gastroenterology
- Board certified in internal medicine
Source: Dmand AI Professional Profile Data
Dr. Edward Tze Wong accepts plans from 9 insurance carriers
Dr. Wong is in network with 9 carriers, including Aetna, Blue Cross Blue Shield of Michigan and Humana. Medicare plans come from the most carriers, 8. Check the plan with the practice before a visit.
- Aetna
- Blue Cross Blue Shield of Michigan
- Humana
- Blue Cross Blue Shield of Massachusetts
- HCSC
- LA Care
- Molina
- Regence Health Plans
- +1 more carriersWith a free account
Plan types Dr. Wong accepts, by number of carriers
- Medicare8
- PPO6
- HMO5
- POS2
- EPO1
- Medicaid1
Source: Dmand AI Insurance Network Data
Sources for Dr. Edward Tze Wong'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 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 | Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (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. Edward Tze Wong
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. Edward Tze Wong's NPI number?
Dr. Edward Tze Wong's NPI number is 1679559157. It was assigned on December 16, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. Edward Tze Wong?
Dr. Edward Tze Wong is a gastroenterologist in Lancaster, California. The primary specialty in the NPI Registry is Gastroenterology Physician (taxonomy code 207RG0100X).
Where does Dr. Edward Tze Wong practice?
Dr. Wong practices at 44725 10th St W, Lancaster, CA 93534-3033. Dr. Wong's primary practice is Sierra Gastroenterology in Lancaster, California. Dmand AI also links Dr. Wong to 1 hospital, 1 physician office and 1 group practice or clinic.
What is Dr. Edward Tze Wong's office phone number?
The practice phone on file for Dr. Wong is (310) 348-0500.
What is Dr. Edward Tze Wong's medical license number?
Dr. Wong's California license number on file is G63865.
Which hospitals is Dr. Edward Tze Wong affiliated with?
Dr. Wong is affiliated with Antelope Valley Medical Center. Dmand AI links Dr. Wong to 1 more hospital.
What medical group is Dr. Edward Tze Wong part of?
Dr. Wong is linked to Harbor-UCLA Medical Center.
Does Dr. Edward Tze Wong accept Medicare?
Yes. CMS data shows Dr. Wong billed Medicare for 1,074 services in 2024.
What is Dr. Edward Tze Wong's MIPS score?
Dr. Wong's MIPS final score for performance year 2024 is 100 out of 100, reported individually.
How many Medicare patients does Dr. Edward Tze Wong see?
CMS counts 269 Medicare patients who saw Dr. Wong in 2024, with an average age of 71.
Show 9 more questionsShow fewer questions
Is Dr. Edward Tze Wong board certified?
Yes. Dr. Wong is board certified in gastroenterology by the American Board of Internal Medicine.
What services does Dr. Edward Tze Wong bill to Medicare?
In 2024, Dr. Wong's most billed Medicare services were office visit, established patient (99213), hospital inpatient care (99232) and hospital inpatient care (99233).
Where did Dr. Edward Tze Wong go to medical school?
Dr. Wong graduated from Albert Einstein College of Medicine in 1987.
What drugs does Dr. Edward Tze Wong prescribe most?
In 2024 Medicare Part D data, Dr. Wong's most prescribed drugs by claims were Omeprazole, Peg 3350-Electrolyte and Atorvastatin Calcium.
Has Dr. Edward Tze Wong received payments from drug or device companies?
CMS Open Payments shows $365 in general payments to Dr. Wong from 11 companies from 2018 to 2025. The largest total came from Shionogi Inc.
How long has Dr. Edward Tze Wong been practicing?
Dr. Wong graduated from medical school in 1987, 39 years ago.
Does Dr. Edward Tze Wong do research?
Dmand AI links 10 publications to Dr. Wong.
Who does Dr. Edward Tze Wong publish with?
Dr. Wong's most frequent co-authors are Eva S. Wasef, MD (1 shared paper).
What insurance does Dr. Edward Tze Wong accept?
Dr. Wong is in network with 9 carriers, including Aetna, Blue Cross Blue Shield of Michigan and Humana. Medicare plans come from the most carriers, 8. Check the plan with the practice before a visit.
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