ObesityOvernutritionObalon Balloon System
Dr. James P. Buwen, DO
NPI1679704761PAC ID7416172812
- Medicare services, 2024
- 41
- Medicare patients, 2024
- 27
- Part D claims, 2024
- 43
- Publications
- 9
- Clinical trials
- 1
- Practice address
- 187 Millburn Avenue, Millburn, NJ 07041
- Practice phone
- Call (973) 671-0555
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Short Hills Surgery Center
Surgery Center - Medicare-Certified · Millburn, New Jersey
Find Dr. Buwen's professional email, personal email and mobile number
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Dr. James P. Buwen is a general surgeon in Millburn, New Jersey
Dr. Buwen practices at Short Hills Surgery Center in Millburn, New Jersey.
Dr. Buwen's NPI, 1679704761, was assigned on August 6, 2009. Dr. Buwen graduated from Dr. Kiran C. Patel College of Osteopathic Medicine in 2009. Dr. Buwen holds New Jersey license 25MB09389500.
NPI and contact details
- NPI
- 1679704761NPI Registry (opens in a new tab)
- Medicare PAC ID
- 7416172812
- NPI enumeration date
- August 6, 2009
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (973) 671-0555
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 43
- Medical school graduation
- 2009
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. James P. Buwen practices at Short Hills Surgery Center in Millburn, New Jersey
Dr. Buwen's primary practice is Short Hills Surgery Center, at 187 Millburn Avenue, Millburn, NJ 07041. The practice phone is (973) 671-0555.
- Short Hills Surgery Center187 Millburn Avenue, Millburn, NJ 07041Phone(973) 671-0555
Source: Dmand AI Affiliation Data
Dr. James P. Buwen is affiliated with 3 sites of care and 1 medical group
Dr. Buwen's primary practice is Short Hills Surgery Center in Millburn, New Jersey. Dr. Buwen is also affiliated with Overlook Medical Center. The medical group on file is New Jersey Bariatric Center. Dmand AI also links Dr. Buwen to 1 more group practice or clinic, named with a free account. Dr. Buwen's employer is on file too: a surgery center (asc).
Short Hills Surgery CenterPrimary
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. James P. Buwen's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Buwen practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Short Hills Surgery Center | Available with a free account |
| +2 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. James P. Buwen is one of 675 general surgeons in New Jersey
Surgery is Dr. Buwen's primary specialty in the NPI Registry, under taxonomy code 208600000X. Dr. Buwen is board certified in surgery by the AOA Board of Surgery. Dmand AI has Dr. Buwen's licenses on file in 2 states: New Jersey and Pennsylvania.
Specialties and state licenses
- Surgery, New JerseyPrimary
- Pennsylvania license
Clinical focus
Dmand AI lists appendectomy and bariatric surgery among the conditions Dr. Buwen treats.
General surgeons near Dr. Buwen
Counts of general surgeons with a Dmand AI profile, by place and practice. Each opens the list.
675general surgeons in New Jersey
5general surgeons in Millburn
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. James P. Buwen billed Medicare for 41 services in 2024
CMS data shows 41 Medicare services from Dr. Buwen across 1 procedure code in 2024, all of them office visits, for 27 Medicare patients. Medicare paid $4,274 for them. Every service was in an office.
Medicare services, 202441
Medicare patients27
Paid by Medicare$4,274
Procedure codes1
Dr. Buwen's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 312024: 4132%
Dr. Buwen compared with the New Jersey median for general surgeons, 2024
- Dr. Buwen
- New Jersey median
- Medicare services
- 41vs 17076% below
- Medicare patients
- 27vs 12578% below
- Part D claims
- 25vs 277% below
Medians across 630 general surgeons in New Jersey with Dmand AI profiles that report each measure.
Dr. Buwen'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. Buwen?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Buwen and other general surgeons in New Jersey.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. James P. Buwen treated 27 Medicare patients in 2024, average age 65
CMS counts 27 Medicare patients who saw Dr. Buwen in 2024. The largest group is 65 to 74, with 11 patients. 75% of them have high cholesterol, and 67% have high blood pressure. Their average risk score is 1.25, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Buwen's median patient age at 43, with 71% women.
Medicare patients, 202427
Average age65
Average risk score1.25
Dr. Buwen's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Chronic conditions among Dr. Buwen's Medicare patients, 2024
- High cholesterol75%
- High blood pressure67%
- Arthritis59%
- Anxiety48%
- Mood disorders48%
- Depression41%
- Diabetes41%
Share of Medicare patients with each condition. A patient can have several.
Dr. Buwen's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 43
Patient panel by sex, all payers
- Women71%
- Men26%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. James P. Buwen wrote 43 Medicare Part D claims in 2024
In 2024, Dr. Buwen wrote 43 Medicare Part D claims for 14 patients. 74% of them were for generic drugs. CMS names the drug for 25 of them, across 2 drugs with 11 or more claims each, at $17,460 in total drug cost. In 2023, CMS named 21 claims across 1 drug.
Part D claims, 202443
Drugs named by CMS2
Total drug cost$17,460
Part D patients14
Dr. Buwen's Part D claims by kind of drug, 2024
- Generic32 claims74%
- Brand-name11 claims26%
Dr. Buwen'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.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 212024: 2519%
Drugs named by CMS: 2 in 2024, 1 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. James P. Buwen offers telehealth to Medicare patients
Dr. Buwen accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Buwen as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Colonoscopy: 1 to 10 procedures (CMS shows small counts as a range)
Upper gastrointestinal (GI) endoscopy for acid reflux: 1 to 10 procedures (CMS shows small counts as a range)
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
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Dr. James P. Buwen has 9 publications on record
Dmand AI links 9 papers to Dr. Buwen.
Papers9
Recent publications by Dr. Buwen
See who Dr. Buwen researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Buwen works with, so you can find a warm path to the right general surgeons.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. James P. Buwen has worked on 1 clinical trial
Dmand AI links Dr. Buwen to 1 clinical trial. Conditions studied include Obesity and Overnutrition.
Conditions in Dr. Buwen's trials
- Obesity
- Overnutrition
Investigators on the most trials with Dr. Buwen
- David Grigor Davtyan, MD1 shared trial
- Ajay Goyal, MD1 shared trial
- Sachin Suresh Kukreja, MD1 shared trial
Recent clinical trials with Dr. Buwen
Sources: Dmand AI Research Linkage; and ClinicalTrials.gov (National Library of Medicine)
Dr. James P. Buwen received $10,194 in industry payments from 2016 to 2025
CMS Open Payments shows 60 general payments to Dr. Buwen from 11 drug and device companies from 2016 to 2025. Education make up the largest share, 64% of the total. Intuitive Surgical, Inc. paid the most, $7,836.
General payments to Dr. Buwen by program year, 2016 to 2025
General payments to Dr. Buwen by kind, 2016 to 2025
$10.2Kin total
- Education$6,55564%
- Travel and lodging$2,12821%
- Food and beverage$1,51015%
Companies that paid Dr. Buwen 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. James P. Buwen has 3 awards and honors on record
Dmand AI lists 3 awards for Dr. Buwen, most recently Psi Sigma Alpha, National Osteopathic Scholastic Honor Society in 2004.
Awards and honors for Dr. Buwen
- 2004
- Psi Sigma Alpha, National Osteopathic Scholastic Honor Society
- 1998
- Alpha Epsilon Delta, Pre-medical Honor Society
- 1997
- Alpha Lambda Delta Honor Society
Source: Dmand AI Professional Profile Data
Dr. James P. Buwen graduated from Dr. Kiran C. Patel College of Osteopathic Medicine
Dr. Buwen graduated from Dr. Kiran C. Patel College of Osteopathic Medicine in 2009. Dr. Buwen is a member of ACOS, ACS, AOA and SAGES.
- Medical school
- Board certified in surgery
- Board certified in 2010 - 2027
- Board certified in 2013 - 2026
Source: Dmand AI Professional Profile Data
Dr. James P. Buwen accepts plans from 6 insurance carriers
Dr. Buwen is in network with 6 carriers, including United Healthcare, Aspirus Health Plan and Blue Cross and Blue Shield of Kansas City. PPO plans come from the most carriers, 3. Check the plan with the practice before a visit.
- United Healthcare
- Aspirus Health Plan
- Blue Cross and Blue Shield of Kansas City
- CMS Medicare
- Elevance
- HCSC
Plan types Dr. Buwen accepts, by number of carriers
- PPO3
- Medicare2
- POS2
- EPO1
- HMO1
Source: Dmand AI Insurance Network Data
Sources for Dr. James P. Buwen'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)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 |
| Clinical trials and co-investigators | Dmand AI Research LinkageClinicalTrials.gov (National Library of Medicine) (opens in a new tab) |
| 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. James P. Buwen
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. James P. Buwen's NPI number?
Dr. James P. Buwen's NPI number is 1679704761. It was assigned on August 6, 2009, and it is active in the NPI Registry.
What kind of doctor is Dr. James P. Buwen?
Dr. James P. Buwen is a general surgeon in Millburn, New Jersey. The primary specialty in the NPI Registry is Surgery Physician (taxonomy code 208600000X).
Where does Dr. James P. Buwen practice?
Dr. Buwen practices at 187 Millburn Avenue, Millburn, NJ 07041. Dr. Buwen's primary practice is Short Hills Surgery Center in Millburn, New Jersey. Dmand AI also links Dr. Buwen to 1 group practice or clinic.
What is Dr. James P. Buwen's office phone number?
The practice phone on file for Dr. Buwen is (973) 671-0555.
What is Dr. James P. Buwen's medical license number?
Dr. Buwen holds New Jersey license 25MB09389500, one of the licenses on file in 2 states.
Which states has Dr. James P. Buwen been licensed in?
Dmand AI has state licenses on file for Dr. Buwen in New Jersey and Pennsylvania.
Which hospitals is Dr. James P. Buwen affiliated with?
Dr. Buwen is affiliated with Overlook Medical Center.
What medical group is Dr. James P. Buwen part of?
Dr. Buwen is linked to New Jersey Bariatric Center.
Does Dr. James P. Buwen accept Medicare?
Yes. CMS data shows Dr. Buwen billed Medicare for 41 services in 2024, and Dr. Buwen accepts Medicare assignment.
Does Dr. James P. Buwen offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Buwen as offering telehealth services.
Show 9 more questionsShow fewer questions
How many Medicare patients does Dr. James P. Buwen see?
CMS counts 27 Medicare patients who saw Dr. Buwen in 2024, with an average age of 65.
Is Dr. James P. Buwen board certified?
Yes. Dr. Buwen is board certified in surgery by the AOA Board of Surgery.
What services does Dr. James P. Buwen bill to Medicare?
In 2024, Dr. Buwen's most billed Medicare services were office visit, established patient (99214).
Where did Dr. James P. Buwen go to medical school?
Dr. Buwen graduated from Dr. Kiran C. Patel College of Osteopathic Medicine in 2009.
What drugs does Dr. James P. Buwen prescribe most?
In 2024 Medicare Part D data, Dr. Buwen's most prescribed drugs by claims were Topiramate and Wegovy.
Has Dr. James P. Buwen received payments from drug or device companies?
CMS Open Payments shows $10,194 in general payments to Dr. Buwen from 11 companies from 2016 to 2025. The largest total came from Intuitive Surgical, Inc.
How long has Dr. James P. Buwen been practicing?
Dr. Buwen graduated from medical school in 2009, 17 years ago.
Does Dr. James P. Buwen do research?
Dmand AI links 9 publications to Dr. Buwen. Dr. Buwen has worked on 1 clinical trial.
What insurance does Dr. James P. Buwen accept?
Dr. Buwen is in network with 6 carriers, including United Healthcare, Aspirus Health Plan and Blue Cross and Blue Shield of Kansas City. PPO plans come from the most carriers, 3. Check the plan with the practice before a visit.
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