Dr. James P. Buwen, DO

  • Millburn, NJ
  • General surgeon
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
Social profiles

Primary practice

Short Hills Surgery Center

Surgery Center - Medicare-Certified · Millburn, New Jersey

See all 4 affiliations

Find Dr. Buwen'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.

View contacts for free

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
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 Center
    187 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).

See all 4 affiliations for Dr. Buwen

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.

EHR by site
SiteEHR vendor and product
Short Hills Surgery CenterAvailable with a free account
+2 more affiliated sitesAvailable with a free account

Source: Dmand AI Technology Install Data

For health IT teams

See the EHR and IT leaders at every site where Dr. Buwen practices

Dmand AI maps EHR vendors, IT decision makers and buying committees across each health system and 6.2K+ hospitals, with verified contacts in the same login.

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 JerseyPrimaryLicense 25MB09389500 · taxonomy 208600000X
  • Pennsylvania licenseLicense OS016794

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.

See all procedures by Dr. Buwen

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.

Book a meeting

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

  1. High cholesterol75%
  2. High blood pressure67%
  3. Arthritis59%
  4. Anxiety48%
  5. Mood disorders48%
  6. Depression41%
  7. 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.

See all prescribing by Dr. Buwen

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)

For MedTech and pharma teams

Find general surgeons like Dr. Buwen by procedure volume and prescribing

Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.

Dr. James P. Buwen has 9 publications on record

Dmand AI links 9 papers to Dr. Buwen.

Papers9

Recent publications by Dr. Buwen

See all 9 publications and co-authors

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.

How network discovery works

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

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.

See all payments to Dr. Buwen

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

  1. 2004
    • Psi Sigma Alpha, National Osteopathic Scholastic Honor Society
  2. 1998
    • Alpha Epsilon Delta, Pre-medical Honor Society
  3. 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.

  1. Medical schoolDr. Kiran C. Patel College of Osteopathic Medicine
  2. Board certified in surgeryAOA Board of Surgery
  3. Board certified in 2010 - 2027NJ State License
  4. Board certified in 2013 - 2026PA State License

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

  1. PPO3
  2. Medicare2
  3. POS2
  4. EPO1
  5. HMO1

Source: Dmand AI Insurance Network Data

Sources for Dr. James P. Buwen's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDmand AI Org Hierarchy Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare 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 percentilesDoctors 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-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
Clinical trials and co-investigatorsDmand AI Research LinkageClinicalTrials.gov (National Library of Medicine) (opens in a new tab)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Awards and committee rolesDmand AI Professional Profile Data
Training, board certification and membershipsDmand AI Professional Profile Data
Insurance carriers and plan typesDmand AI Insurance Network Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand 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.

Selling to surgery practices?

See general surgeons in New Jersey by site of care and group

Find the practices, groups and hospitals they work with, and the right people to contact at each.

  • 30 days free
  • Self-serve
  • No credit card

Cookie settings

Turn each category on or off. Your choice is kept for 12 months and you can change it here at any time.

Necessary

Always on. Sign-in, security, downloads you asked for, your cookie choice, and the page that led to a signup.

View cookies (6)
  • dm_consentDmand AI. Your cookie choices and whether your browser sent a Global Privacy Control signal. 12 months.
  • dm_ft, dm_ltDmand AI. The first and the latest page you arrived on, with the date, so a signup is credited to the page that worked. 90 days, 30 days.
  • dm_fs, dm_lsDmand AI. The first and the latest source of a visit (a search engine, a campaign or the site that linked here). 90 days, 30 days.
  • dm_dl, dm_dl_okDmand AI. After you give an email address for a download, lets you download files without being asked again. 30 days.
  • Session and CSRF cookiesDmand AI (app.dmand.ai). Sign-in and form protection in the application. Session.
  • __cf_bm, cf_clearanceCloudflare. Tells people from automated traffic and keeps the site available. 30 minutes; cf_clearance while a security check is valid.

Analytics

On unless you turn it off. How pages are used, in aggregate, and recordings of how pages are used.

View cookies (6)
  • Google Tag ManagerGoogle. Loads the analytics and marketing tags that are on. Sets no cookie of its own and does not load when both categories are off. n/a.
  • _ga, _ga_<container-id>Google Analytics 4. Visits and page views in aggregate on dmand.ai. 2 years.
  • _clck, _clskMicrosoft Clarity. Recordings and heatmaps of how pages are used, with form fields masked. 1 year, 1 day.
  • CLID, MUID, ANONCHK, MR, SMMicrosoft (clarity.ms). Set by Microsoft when Clarity loads, to recognize a browser across sites that use Clarity. Up to 1 year.
  • None (cookieless)Ahrefs Analytics. Page views in aggregate. n/a.
  • ph_<project>_posthogPostHog. Product usage, errors and performance in app.dmand.ai, used to fix bugs and improve features. 365 days.

Marketing

On unless you turn it off, and always off when your browser sends a Global Privacy Control signal. A visitor identification service tells our sales team which companies and people visit.

View cookies (6)
  • _reb2buid, _reb2butkRB2B. Recognizes a returning browser for visitor identification. 360 days, 1 year.
  • _reb2bgeoRB2B. The location used to decide whether a visit can be identified. 20 days.
  • _reb2brefRB2B. The page or site that referred the visit. 15 days.
  • _reb2bfxf, _reb2btd, _reb2bliRB2B. Links the visit to an identified business profile. 1 month.
  • _reb2bresolveRB2B. Holds a match while it is being resolved. 2 days.
  • _reb2sessionID, _reb2bloadedRB2B. The current visit, and a guard against loading the script twice. 30 minutes, 1 second.

Functional

On unless you turn it off. Remembers choices such as a collapsed section.

View cookies (none today)