Dr. William Ray Silliman, MD
- Medicare services, 2024
- 655
- Medicare patients, 2024
- 479
- Part D claims, 2024
- 280
- MIPS score, 2024
- 77
- Hospital affiliations
- 4
- Practice address
- 1701 Lacey Street, Cape Girardeau, MO 63701
- Practice phone
- Call (573) 335-6208
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Mercy Hospice - Cape Girardeau
Hospice - Hospital-Owned · Cape Girardeau, Missouri
Find Dr. Silliman'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. William Ray Silliman is a general surgeon in Cape Girardeau, Missouri
Dr. Silliman practices at Mercy Hospice - Cape Girardeau in Cape Girardeau, Missouri.
Dr. Silliman's NPI, 1174552954, was assigned on July 2, 2006. Dr. Silliman graduated from University of Missouri, Columbia School of Medicine in 2001. Dr. Silliman holds Missouri license 2006015230.
- NPI
- 1174552954NPI Registry (opens in a new tab)
- Medicare PAC ID
- 9739185638
- NPI enumeration date
- July 2, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (573) 335-6208
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 51
- Medical school graduation
- 2001
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. William Ray Silliman practices at Mercy Hospice - Cape Girardeau in Cape Girardeau, Missouri
Dr. Silliman's primary practice is Mercy Hospice - Cape Girardeau, at 1701 Lacey Street, Cape Girardeau, MO 63701 in Cape Girardeau County. The practice phone is (573) 335-6208.
- Mercy Hospice - Cape Girardeau1701 Lacey Street, Cape Girardeau, MO 63701 · Cape Girardeau CountyPhone(573) 335-6208
Source: Dmand AI Affiliation Data
Dr. William Ray Silliman is affiliated with 9 sites of care and 5 medical groups
Dr. Silliman's primary practice is Mercy Hospice - Cape Girardeau in Cape Girardeau, Missouri. Dr. Silliman is also affiliated with Mercy Hospital Southeast. The medical group on file is Saint Francis Medical Center. Dmand AI also links Dr. Silliman to 3 more hospitals, 4 group practices and clinics and 4 medical groups, each named with a free account. Dr. Silliman's employer is on file too: a hospice.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. William Ray Silliman's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Silliman practices, 9 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Mercy Hospice - Cape Girardeau | Available with a free account |
| +8 more sites and 4 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. William Ray Silliman is one of 593 general surgeons in Missouri
Surgery is Dr. Silliman's primary specialty in the NPI Registry, under taxonomy code 208600000X. Dr. Silliman is licensed in Missouri.
Specialties and state licenses
- Surgery, MissouriPrimary
General surgeons near Dr. Silliman
Counts of general surgeons 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. William Ray Silliman billed Medicare for 655 services in 2024
CMS data shows 655 Medicare services from Dr. Silliman across 15 procedure codes in 2024, for 479 Medicare patients. Medicare paid $72,532 for them.
Dr. Silliman's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 5702024: 5504%
- Surgery
- 2023: 232024: 53130%
- Imaging
- 2023: 352024: 5249%
Where Dr. Silliman's Medicare services took place, 2024
- In an office46972%
- In a facility18628%
Dr. Silliman compared with the Missouri median for general surgeons, 2024
- Dr. Silliman
- Missouri median
- Medicare services
- 655vs 1693.9 times
- Medicare patients
- 479vs 1273.8 times
- Part D claims
- 233vs 415.7 times
Medians across 570 general surgeons in Missouri with Dmand AI profiles that report each measure.
Dr. Silliman'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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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Silliman and other general surgeons in Missouri.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. William Ray Silliman treated 479 Medicare patients in 2024, average age 73
CMS counts 479 Medicare patients who saw Dr. Silliman in 2024. The largest group is 65 to 74, with 223 patients. 75% of them have high blood pressure, and 74% have high cholesterol. 12% are also on Medicaid. Their average risk score is 1.23, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Silliman's median patient age at 71, with 64% women.
Dr. Silliman's Medicare patients by age, 2024
Dr. Silliman's Medicare patients by sex, 2024
- Women33971%
- Men14029%
Chronic conditions among Dr. Silliman's Medicare patients, 2024
- High blood pressure75%
- High cholesterol74%
- Arthritis52%
- Cancer36%
- Diabetes34%
- Anxiety31%
- COPD24%
- Mood disorders22%
Share of Medicare patients with each condition. A patient can have several.
Dr. Silliman's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 71
Patient panel by sex, all payers
- Women64%
- Men36%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. William Ray Silliman wrote 280 Medicare Part D claims in 2024
In 2024, Dr. Silliman wrote 280 Medicare Part D claims for 157 patients. 97% of them were for generic drugs. CMS names the drug for 233 of them, across 8 drugs with 11 or more claims each, at $1,570 in total drug cost. In 2023, CMS named 173 claims across 6 drugs.
Dr. Silliman's Part D claims by kind of drug, 2024
- Generic272 claims97%
- Brand-name and other8 claims3%
Dr. Silliman'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. Silliman's Part D claims, 2024
- Opioids46%128 of 280 claims
- Antibiotics15%43 of 280 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: 1732024: 23335%
Drugs named by CMS: 8 in 2024, 6 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. William Ray Silliman scored 77 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 77 out of 100 for Dr. Silliman for performance year 2024, reported as part of a group. Dr. Silliman accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 18 procedures of hernia repair (minimally invasive) by Dr. Silliman, more than 86% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Dr. Silliman's MIPS scores, performance year 2024
- 77of 100Final score
- 60of 100Quality
- 40of 100Improvement Activities
- 77of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Where Dr. Silliman ranks in Medicare procedure volume
- Mastectomy
- 83rd percentile25 procedures
- Hernia repair (minimally invasive)
- 86th percentile18 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Colonoscopy: 1 to 10 procedures (CMS shows small counts as a range)
Hernia repair - groin (open): 1 to 10 procedures (CMS shows small counts as a range)
Melanoma (skin cancer) excision: 1 to 10 procedures (CMS shows small counts as a range)
Removal of skin lesions: 1 to 10 procedures (CMS shows small counts as a range)
Removal of tissue: 1 to 10 procedures (CMS shows small counts as a range)
Removal or shaving of skin growth: 1 to 10 procedures (CMS shows small counts as a range)
Sources: Doctors and Clinicians National Downloadable File (CMS); 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. William Ray Silliman received $9,795 in industry payments from 2016 to 2025
CMS Open Payments shows 207 general payments to Dr. Silliman from 56 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 69% of the total. Intuitive Surgical, Inc. paid the most, $2,940.
General payments to Dr. Silliman by program year, 2016 to 2025
General payments to Dr. Silliman by kind, 2016 to 2025
- Food and beverage$6,80169%
- Travel and lodging$1,93620%
- Education$1,00010%
- Consulting fees$571%
Companies that paid Dr. Silliman the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. William Ray Silliman graduated from University of Missouri, Columbia School of Medicine
Dr. Silliman graduated from University of Missouri, Columbia School of Medicine in 2001.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. William Ray Silliman'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)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab) |
| Industry payments | Open Payments (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. William Ray Silliman
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. William Ray Silliman's NPI number?
Dr. William Ray Silliman's NPI number is 1174552954. It was assigned on July 2, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. William Ray Silliman?
Dr. William Ray Silliman is a general surgeon in Cape Girardeau, Missouri. The primary specialty in the NPI Registry is Surgery Physician (taxonomy code 208600000X).
Where does Dr. William Ray Silliman practice?
Dr. Silliman practices at 1701 Lacey Street, Cape Girardeau, MO 63701. Dr. Silliman's primary practice is Mercy Hospice - Cape Girardeau in Cape Girardeau, Missouri. Dmand AI also links Dr. Silliman to 3 hospitals, 4 group practices and clinics and 4 medical groups.
What is Dr. William Ray Silliman's office phone number?
The practice phone on file for Dr. Silliman is (573) 335-6208.
What is Dr. William Ray Silliman's medical license number?
Dr. Silliman holds Missouri license 2006015230.
Which hospitals is Dr. William Ray Silliman affiliated with?
Dr. Silliman is affiliated with Mercy Hospital Southeast. Dmand AI links Dr. Silliman to 3 more hospitals.
What medical group is Dr. William Ray Silliman part of?
Dr. Silliman is linked to Saint Francis Medical Center. Dmand AI links Dr. Silliman to 4 more medical groups.
Does Dr. William Ray Silliman accept Medicare?
Yes. CMS data shows Dr. Silliman billed Medicare for 655 services in 2024, and Dr. Silliman accepts Medicare assignment.
What is Dr. William Ray Silliman's MIPS score?
Dr. Silliman's MIPS final score for performance year 2024 is 77 out of 100, reported as part of a group.
How many Medicare patients does Dr. William Ray Silliman see?
CMS counts 479 Medicare patients who saw Dr. Silliman in 2024, with an average age of 73.
Show 5 more questionsShow fewer questions
What services does Dr. William Ray Silliman bill to Medicare?
In 2024, Dr. Silliman's most billed Medicare services were office visit, established patient (99214), office visit, established patient (99213) and office visit, new patient (99204).
Where did Dr. William Ray Silliman go to medical school?
Dr. Silliman graduated from University of Missouri, Columbia School of Medicine in 2001.
What drugs does Dr. William Ray Silliman prescribe most?
In 2024 Medicare Part D data, Dr. Silliman's most prescribed drugs by claims were Tramadol HCl, Hydrocodone-Acetaminophen and Ondansetron ODT.
Has Dr. William Ray Silliman received payments from drug or device companies?
CMS Open Payments shows $9,795 in general payments to Dr. Silliman from 56 companies from 2016 to 2025. The largest total came from Intuitive Surgical, Inc.
How long has Dr. William Ray Silliman been practicing?
Dr. Silliman graduated from medical school in 2001, 25 years ago.
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