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Dr. William John Bulsiewicz Jr., MD
NPI1821247693
- Medicare services, 2022
- 23
- Part D claims, 2022
- 115
- Publications
- 27
- Industry payments
- $12,274
- Affiliated sites
- 1
- Practice address
- 1300 Hospital Dr, Mount Pleasant, SC 29464-3217
- Practice phone
- Call (843) 884-5200
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Lowcountry Gastroenterology
Multi-specialty group site · Mount Pleasant, South Carolina
Find Dr. Bulsiewicz'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 John Bulsiewicz Jr. is a gastroenterologist in Charleston, South Carolina
Dr. Bulsiewicz practices at Lowcountry Gastroenterology in Mount Pleasant, South Carolina.
Dr. Bulsiewicz's NPI, 1821247693, was assigned on September 16, 2008. Dr. Bulsiewicz graduated from Georgetown University School Of Medicine in 2006. Dr. Bulsiewicz's South Carolina license number on file is 38981.
NPI and contact details
- NPI
- 1821247693NPI Registry (opens in a new tab)
- NPI enumeration date
- September 16, 2008
- NPI status
- Active
- Practice phone
- (843) 884-5200
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 46
- Medical school graduation
- 2006
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. William John Bulsiewicz Jr. practices in Mount Pleasant and Charleston
Dr. Bulsiewicz's primary practice is Lowcountry Gastroenterology, at 1300 Hospital Dr, Mount Pleasant, SC 29464-3217. The practice phone is (843) 884-5200. The NPI Registry lists Dr. Bulsiewicz's practice address as 316 Calhoun St, Charleston, SC 29401.
- Lowcountry GastroenterologyPrimary1300 Hospital Dr, Mount Pleasant, SC 29464-3217Phone(843) 884-5200
- NPI Registry address316 Calhoun St, Charleston, SC 29401 · Charleston CountyPhone(843) 884-5200
Sources: NPPES NPI Registry (CMS); Dmand AI Affiliation Data; Doctors and Clinicians National Downloadable File (CMS); and Dmand AI Practice Data
Dr. William John Bulsiewicz Jr. is affiliated with 1 site of care and 1 medical group
Dr. Bulsiewicz's primary practice is Lowcountry Gastroenterology in Mount Pleasant, South Carolina. Dmand AI also links Dr. Bulsiewicz to 1 medical group, named with a free account.
Lowcountry GastroenterologyPrimary
Sources: Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dmand AI tracks the EHR system at Dr. William John Bulsiewicz Jr.'s practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Bulsiewicz practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Lowcountry Gastroenterology | Available with a free account |
| +1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. William John Bulsiewicz Jr. is one of 255 gastroenterologists in South Carolina
Gastroenterology is Dr. Bulsiewicz's primary specialty in the NPI Registry, under taxonomy code 207RG0100X. Dr. Bulsiewicz is board certified in gastroenterology by the American Board of Internal Medicine. Dmand AI has Dr. Bulsiewicz's licenses on file in 4 states: South Carolina, Georgia, North Carolina and Illinois.
Specialties and state licenses
- Gastroenterology, South CarolinaPrimary
- Georgia license
- North Carolina license
- Illinois license
Gastroenterologists near Dr. Bulsiewicz
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. William John Bulsiewicz Jr. billed Medicare for 23 services in 2022
CMS data shows 23 Medicare services from Dr. Bulsiewicz across 2 procedure codes in 2022. Medicare paid $4,070 for them. Every service was in an office.
Medicare services, 202223
Paid by Medicare$4,070
Procedure codes2
Dr. Bulsiewicz's Medicare services by type, 2021 to 2022
- 2021
- 2022
- Office and hospital visits
- 2021: 2202022: 1295%
- Surgery
- 2021: 3522022: 1197%
Dr. Bulsiewicz compared with the South Carolina median for gastroenterologists, 2022
- Dr. Bulsiewicz
- South Carolina median
- Medicare services
- 23vs 74597% below
- Part D claims
- 115vs 49777% below
Medians across 249 gastroenterologists in South Carolina with Dmand AI profiles that report each measure.
Dr. Bulsiewicz's most billed Medicare procedure codes, 2022
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. Bulsiewicz?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Bulsiewicz and other gastroenterologists in South Carolina.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. William John Bulsiewicz Jr.'s patients have a median age of 67
Across all payers, Dmand AI patient panel data puts Dr. Bulsiewicz's median patient age at 67, with 69% women.
Dr. Bulsiewicz's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 67
Patient panel by sex, all payers
- Women69%
- Men31%
Source: Dmand AI Patient Panel Data
Dr. William John Bulsiewicz Jr. wrote 115 Medicare Part D claims in 2022
In 2022, Dr. Bulsiewicz wrote 115 Medicare Part D claims. Every claim was for a generic drug. They cover 4 drugs, with $2,693 in total drug cost. In 2021, CMS named 424 claims across 13 drugs.
Part D claims, 2022115
Drugs named by CMS4
Total drug cost$2,693
Dr. Bulsiewicz's most prescribed drugs by claims, 2022
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 2022
- 2021
- 2022
- Claims for drugs CMS names
- 2021: 4242022: 11573%
Drugs named by CMS: 4 in 2022, 13 in 2021.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
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Dr. William John Bulsiewicz Jr. has 27 publications on record
Dmand AI links 27 papers to Dr. Bulsiewicz, published from 2008 to 2024. 2012 was the busiest year, with 10. The most frequent topics are Barrett Esophagus, Catheter Ablation and Manometry. Dr. Bulsiewicz has published most often in Am J Gastroenterol. Dr. Bulsiewicz's most frequent co-authors are Evan S. Dellon, MD, MPH, Ryan David Madanick, MD and Sarina Pasricha, MD.
Papers27
Years published2008 to 2024
Dr. Bulsiewicz's papers by year, 2008 to 2024
Topics Dr. Bulsiewicz writes about most
- Barrett Esophagus
- Catheter Ablation
- Manometry
- Proton Pump Inhibitors
- Electric Impedance
- Esophageal Neoplasms
- Esophagus
- Gastroesophageal Reflux
Dr. Bulsiewicz's most frequent co-authors
- Evan S. Dellon, MD, MPH7 shared papers
- Ryan David Madanick, MD7 shared papers
- Sarina Pasricha, MD5 shared papers
Recent publications by Dr. Bulsiewicz
AppetiteBariatric SurgeryBile Acids and Salts
Dis Esophagus
Academic Medical CentersEosinophilic EsophagitisInternational Classification of Diseases
See who Dr. Bulsiewicz researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Bulsiewicz 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. William John Bulsiewicz Jr. received $12,274 in industry payments from 2016 to 2022
CMS Open Payments shows 282 general payments to Dr. Bulsiewicz from 28 drug and device companies from 2016 to 2022. Speaker and faculty fees make up the largest share, 63% of the total. QOL Medical, LLC paid the most, $5,842.
General payments to Dr. Bulsiewicz by program year, 2016 to 2022
General payments to Dr. Bulsiewicz by kind, 2016 to 2022
$12.3Kin total
- Speaker and faculty fees$7,75063%
- Food and beverage$4,52437%
Companies that paid Dr. Bulsiewicz the most, 2016 to 2022
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. William John Bulsiewicz Jr. has 14 awards and honors on record
Dmand AI lists 14 awards for Dr. Bulsiewicz, most recently Award for Excellence in Clinical Gastroenterology in 2013.
Awards and honors for Dr. Bulsiewicz
- 2013
- Award for Excellence in Clinical Gastroenterology
- Loan Repayment Program Recipient
- 2010
- Attending Teacher of the Month Award
- Attending Teach of the Month
- Commitment to Nursing Award
- 2009
- Alpha Omega Alpha Medical Honor Society
Source: Dmand AI Professional Profile Data
Dr. William John Bulsiewicz Jr. graduated from Georgetown University School Of Medicine
Dr. Bulsiewicz graduated from Georgetown University School Of Medicine in 2006.
- Medical school
- Board certified in gastroenterology
- Board certified in internal medicine
Source: Dmand AI Professional Profile Data
Dr. William John Bulsiewicz Jr. accepts plans from 3 insurance carriers
Dr. Bulsiewicz is in network with 3 carriers, including Aetna, Cigna and GA State Medicaid. HMO plans come from the most carriers, 2. Check the plan with the practice before a visit.
- Aetna
- Cigna
- GA State Medicaid
Plan types Dr. Bulsiewicz accepts, by number of carriers
- HMO2
- Medicare2
- PPO2
- EPO1
- Medicaid1
- POS1
Source: Dmand AI Insurance Network Data
Sources for Dr. William John Bulsiewicz Jr.'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 | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| 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 Data |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (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. William John Bulsiewicz Jr.
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 John Bulsiewicz Jr.'s NPI number?
Dr. William John Bulsiewicz Jr.'s NPI number is 1821247693. It was assigned on September 16, 2008, and it is active in the NPI Registry.
What kind of doctor is Dr. William John Bulsiewicz Jr.?
Dr. William John Bulsiewicz Jr. is a gastroenterologist in Charleston, South Carolina. The primary specialty in the NPI Registry is Gastroenterology Physician (taxonomy code 207RG0100X).
Where does Dr. William John Bulsiewicz Jr. practice?
Dr. Bulsiewicz practices at 1300 Hospital Dr, Mount Pleasant, SC 29464-3217. Dr. Bulsiewicz also practices at 316 Calhoun St, Charleston, SC 29401. Dr. Bulsiewicz's primary practice is Lowcountry Gastroenterology in Mount Pleasant, South Carolina. Dmand AI also links Dr. Bulsiewicz to 1 medical group.
What is Dr. William John Bulsiewicz Jr.'s office phone number?
The practice phone on file for Dr. Bulsiewicz is (843) 884-5200.
What is Dr. William John Bulsiewicz Jr.'s medical license number?
Dr. Bulsiewicz's South Carolina license number on file is 38981, one of the licenses on file in 4 states.
Which states has Dr. William John Bulsiewicz Jr. been licensed in?
Dmand AI has state licenses on file for Dr. Bulsiewicz in South Carolina (2016 to 2025), Georgia (2014 to 2019), North Carolina (2010 to 2014) and Illinois (2006 to 2011).
Does Dr. William John Bulsiewicz Jr. accept Medicare?
Yes. CMS data shows Dr. Bulsiewicz billed Medicare for 23 services in 2022.
Is Dr. William John Bulsiewicz Jr. board certified?
Yes. Dr. Bulsiewicz is board certified in gastroenterology by the American Board of Internal Medicine.
What services does Dr. William John Bulsiewicz Jr. bill to Medicare?
In 2022, Dr. Bulsiewicz's most billed Medicare services were office visit, established patient (99214) and surgery: digestive system (45385).
Where did Dr. William John Bulsiewicz Jr. go to medical school?
Dr. Bulsiewicz graduated from Georgetown University School Of Medicine in 2006.
Show 6 more questionsShow fewer questions
What drugs does Dr. William John Bulsiewicz Jr. prescribe most?
In 2022 Medicare Part D data, Dr. Bulsiewicz's most prescribed drugs by claims were Omeprazole, Pantoprazole Sodium and Dicyclomine HCl.
Has Dr. William John Bulsiewicz Jr. received payments from drug or device companies?
CMS Open Payments shows $12,274 in general payments to Dr. Bulsiewicz from 28 companies from 2016 to 2022. The largest total came from QOL Medical, LLC.
How long has Dr. William John Bulsiewicz Jr. been practicing?
Dr. Bulsiewicz graduated from medical school in 2006, 20 years ago.
Does Dr. William John Bulsiewicz Jr. do research?
Dmand AI links 27 publications to Dr. Bulsiewicz, published from 2008 to 2024.
Who does Dr. William John Bulsiewicz Jr. publish with?
Dr. Bulsiewicz's most frequent co-authors are Evan S. Dellon, MD, MPH (7 shared papers), Ryan David Madanick, MD (7 shared papers) and Sarina Pasricha, MD (5 shared papers).
What insurance does Dr. William John Bulsiewicz Jr. accept?
Dr. Bulsiewicz is in network with 3 carriers, including Aetna, Cigna and GA State Medicaid. HMO plans come from the most carriers, 2. Check the plan with the practice before a visit.
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