Dr. Wing-Kin Syn, MD, PhD
- Medicare services, 2024
- 300
- Medicare patients, 2024
- 152
- Part D claims, 2024
- 85
- MIPS score, 2024
- 85
- Hospital affiliations
- 2
- Practice address
- 1201 S Grand Blvd, Saint Louis, MO 63104
- Practice phone
- Call (314) 257-8000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Syn's professional email, personal email and mobile number
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Dr. Wing-Kin Syn is a gastroenterologist in Saint Louis, Missouri
Dr. Syn practices at SSM Health Saint Louis University Hospital in Saint Louis, Missouri, part of SSM Health Care.
Dr. Syn's NPI, 1487023057, was assigned on September 24, 2015. Dr. Syn holds South Carolina license AL38823.
- NPI
- 1487023057NPI Registry (opens in a new tab)
- Medicare PAC ID
- 7416259411
- NPI enumeration date
- September 24, 2015
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (314) 257-8000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 54
- Medical school graduation
- 1998
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Wing-Kin Syn practices at SSM Health Saint Louis University Hospital in Saint Louis, Missouri
Dr. Syn's primary practice is SSM Health Saint Louis University Hospital, at 1201 S Grand Blvd, Saint Louis, MO 63104 in St. Louis City. The practice phone is (314) 257-8000.
- SSM Health Saint Louis University Hospital1201 S Grand Blvd, Saint Louis, MO 63104 · St. Louis CityPhone(314) 257-8000
Source: Dmand AI Affiliation Data
Dr. Wing-Kin Syn is affiliated with 4 sites of care and 1 medical group
Dr. Syn's primary practice is SSM Health Saint Louis University Hospital in Saint Louis, Missouri, part of SSM Health Care. Dr. Syn is also affiliated with Baptist Health Paducah. The medical group on file is SLUCare Physician Group. Dmand AI also links Dr. Syn to 1 more behavioral health center and 1 group practice or clinic, 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. Wing-Kin Syn's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Syn practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| SSM Health Saint Louis University Hospital | Available with a free account |
| +3 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Wing-Kin Syn is one of 329 gastroenterologists in Missouri
Gastroenterology is Dr. Syn's primary specialty in the NPI Registry, under taxonomy code 207RG0100X. Dr. Syn is licensed in South Carolina.
Specialties and state licenses
- Gastroenterology, South CarolinaPrimary
Gastroenterologists near Dr. Syn
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. Wing-Kin Syn billed Medicare for 300 services in 2024
CMS data shows 300 Medicare services from Dr. Syn across 11 procedure codes in 2024, for 152 Medicare patients. Medicare paid $20,664 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Syn's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 2392024: 21610%
- Other services
- 2023: 132024: 57338%
- Tests and treatments
- 2023: 412024: 2734%
Dr. Syn compared with the Missouri median for gastroenterologists, 2024
- Dr. Syn
- Missouri median
- Medicare services
- 300vs 41628% below
- Medicare patients
- 152vs 29649% below
- Part D claims
- 44vs 43490% below
Medians across 337 gastroenterologists in Missouri with Dmand AI profiles that report each measure.
Dr. Syn'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. Wing-Kin Syn treated 152 Medicare patients in 2024, average age 66
CMS counts 152 Medicare patients who saw Dr. Syn in 2024. The largest group is 65 to 74, with 74 patients. 75% of them have high blood pressure, and 70% have high cholesterol. 36% are also on Medicaid. Their average risk score is 2.48, 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. Syn's median patient age at 66, with 56% women.
Dr. Syn's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Syn's Medicare patients by sex, 2024
- Women9563%
- Men5738%
Chronic conditions among Dr. Syn's Medicare patients, 2024
- High blood pressure75%
- High cholesterol70%
- Arthritis53%
- Diabetes43%
- Anxiety42%
- Mood disorders41%
- Depression39%
- Chronic kidney disease38%
Share of Medicare patients with each condition. A patient can have several.
Dr. Syn's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 66
Patient panel by sex, all payers
- Women56%
- Men43%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Wing-Kin Syn wrote 85 Medicare Part D claims in 2024
In 2024, Dr. Syn wrote 85 Medicare Part D claims for 22 patients. 92% of them were for generic drugs. CMS names the drug for 44 of them, across 3 drugs with 11 or more claims each, at $957 in total drug cost.
Dr. Syn's Part D claims by kind of drug, 2024
- Generic78 claims92%
- Brand-name and other7 claims8%
Dr. Syn'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.
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. Wing-Kin Syn scored 85 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 85 out of 100 for Dr. Syn for performance year 2024, reported as part of a group. Dr. Syn accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Dr. Syn's MIPS scores, performance year 2024
- 85of 100Final score
- 68.5of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
- 72of 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
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Dr. Wing-Kin Syn received $43,471 in industry payments from 2019 to 2025
CMS Open Payments shows 41 general payments to Dr. Syn from 13 drug and device companies from 2019 to 2025. Speaker and faculty fees make up the largest share, 54% of the total. Novo Nordisk Inc paid the most, $13,671.
General payments to Dr. Syn by program year, 2019 to 2025
General payments to Dr. Syn by kind, 2019 to 2025
- Speaker and faculty fees$23,47554%
- Consulting fees$13,65031%
- Honoraria$3,1207%
- Travel and lodging$1,7384%
- Food and beverage$1,4883%
Companies that paid Dr. Syn the most, 2019 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Wing-Kin Syn'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)Medicare Part D Prescribers - by Provider (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)Clinician Public Reporting: Overall MIPS Performance (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. Wing-Kin Syn
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. Wing-Kin Syn's NPI number?
Dr. Wing-Kin Syn's NPI number is 1487023057. It was assigned on September 24, 2015, and it is active in the NPI Registry.
What kind of doctor is Dr. Wing-Kin Syn?
Dr. Wing-Kin Syn is a gastroenterologist in Saint Louis, Missouri. The primary specialty in the NPI Registry is Gastroenterology Physician (taxonomy code 207RG0100X).
Where does Dr. Wing-Kin Syn practice?
Dr. Syn practices at 1201 S Grand Blvd, Saint Louis, MO 63104. Dr. Syn's primary practice is SSM Health Saint Louis University Hospital in Saint Louis, Missouri, part of SSM Health Care. Dmand AI also links Dr. Syn to 1 behavioral health center and 1 group practice or clinic.
What is Dr. Wing-Kin Syn's office phone number?
The practice phone on file for Dr. Syn is (314) 257-8000.
What is Dr. Wing-Kin Syn's medical license number?
Dr. Syn holds South Carolina license AL38823.
Which hospitals is Dr. Wing-Kin Syn affiliated with?
Dr. Syn practices at SSM Health Saint Louis University Hospital in Saint Louis, Missouri. Dr. Syn is also affiliated with Baptist Health Paducah.
What medical group is Dr. Wing-Kin Syn part of?
Dr. Syn is linked to SLUCare Physician Group.
Does Dr. Wing-Kin Syn accept Medicare?
Yes. CMS data shows Dr. Syn billed Medicare for 300 services in 2024, and Dr. Syn accepts Medicare assignment.
What is Dr. Wing-Kin Syn's MIPS score?
Dr. Syn's MIPS final score for performance year 2024 is 85 out of 100, reported as part of a group.
How many Medicare patients does Dr. Wing-Kin Syn see?
CMS counts 152 Medicare patients who saw Dr. Syn in 2024, with an average age of 66.
Show 4 more questionsShow fewer questions
What services does Dr. Wing-Kin Syn bill to Medicare?
In 2024, Dr. Syn's most billed Medicare services were office visit, established patient (99215), hospital inpatient care (99232) and medicare service (G2211).
What drugs does Dr. Wing-Kin Syn prescribe most?
In 2024 Medicare Part D data, Dr. Syn's most prescribed drugs by claims were Azathioprine, Prednisone and Ondansetron ODT.
Has Dr. Wing-Kin Syn received payments from drug or device companies?
CMS Open Payments shows $43,471 in general payments to Dr. Syn from 13 companies from 2019 to 2025. The largest total came from Novo Nordisk Inc.
How long has Dr. Wing-Kin Syn been practicing?
Dr. Syn graduated from medical school in 1998, 28 years ago.
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