Physician Profile
Darren M. Kowalski, M.D.
Unclaimed ProfileAbout Dr. Kowalski
Darren M. Kowalski, M.D. practices surgery in Bend, OR. Darren is a 1996 graduate of Oregon Health Sciences University School of Medicine. According to Medicare claims data, Darren cared for 960 Medicare patients across 999 services. The services billed most often include ultrasound of both sides of head and neck blood flow, ultrasound study of one arm or leg veins with compression and maneuvers, and removal of polyps or growths of large bowel using an endoscope with mechanical snare. The provider's National Provider Identifier (NPI) is 1598859076.
Factual summary compiled by Guide.md from public records; not written by this provider.
Education & Training
Specialty
Credentials & Licensing
License numbers are what the provider reported to NPPES when the NPI was issued or updated. NPPES does not verify licensure; confirm current standing with the state licensing board.
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (541) 382-2811
- Email not available
Practice Locations
1501 NE MEDICAL CENTER DR
Bend, OR 97701
Conditions Commonly Evaluated or Treated
Within Surgery (Unspecified) generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Conditions
Most searched conditions
- Appendicitis
- Breast cancer
- Gallstones
- Hernia
- Thyroid nodules
Breast conditions
- Benign breast disease
- Gynecomastia
Cancer
- Colon cancer
- Esophageal cancer
- Liver cancer
- Neuroendocrine Tumors
- Pancreatic cancer
- Soft-tissue sarcoma
- Stomach cancer
- Thyroid cancer
Colorectal
- Anal fissure
- Anal fistula
- Hemorrhoids
- Lower gastrointestinal bleeding
- Rectal prolapse
Digestive
- Abdominal adhesions
- Acid reflux
- Acute pancreatitis
- Bowel obstruction
- Colon polyps
- Diverticulitis
- Gastroparesis
- Peptic ulcer disease
Digestive & blood
- Enlarged spleen
Digestive health
- Crohn's disease
- Fecal incontinence
- Perforated bowel
- Severe chronic constipation
- Swallowing difficulties
- Ulcerative colitis
Endocrine
- Adrenal gland tumor
- Goiter
- Hyperparathyroidism
Infections
- Gangrene
- Skin and soft-tissue abscess
Lumps & bumps
- Ganglion Cyst In Hand Or Wrist
Lymphatic
- Lymphedema
- Swollen Lymph Nodes
Minor surgery
- Ingrown toenail
Skin & scars
- Keloids and hypertrophic scars
Skin & soft tissue
- Epidermoid cyst
- Lipoma
- Pilonidal cyst
- Skin lump or bump
Skin cancer
- Moles and atypical moles
- Skin cancer
Vascular
- Carotid Artery Blockage
- Deep vein thrombosis
- Peripheral artery disease
- Varicose veins
Weight & metabolism
- Obesity
Wound care
- Bedsores
- Post-surgery fever or infection
Wounds
- Diabetic foot ulcer
Procedures & services
Most searched procedures
- Appendectomy
- Breast biopsy
- Gallbladder surgery
- Hernia repair surgery
- Lumpectomy
Abdominal
- Gynecologic laparoscopy
- Spleen removal
Abdominal surgery
- Small-bowel resection
- Stomach removal surgery
Bariatric
- Lap band removal
- Weight loss surgery revision
Breast surgery
- Male Breast Reduction
Cancer
- Mastectomy
- Sentinel lymph-node biopsy
- Whipple procedure
Cancer surgery
- Esophagus removal surgery
- Liver tumor removal
Colorectal
- Anal fistula surgery
- Anal Sphincter Repair
- Colon resection
- Hemorrhoid removal
- Ostomy reversal
- Ostomy surgery
- Rectal prolapse repair
- Surgery for chronic anal fissure
Consultations
- Pre-Op Clearance Exam
- Robotic surgery consultation
Diagnostic
- Colonoscopy
- Skin lump biopsy
Digestive
- Acid reflux surgery
- Feeding tube placement
Digestive health
- Endoscopy
- Peroral endoscopic myotomy
Endocrine
- Adrenal gland removal
- Parathyroid surgery
- Thyroid removal surgery
Infections
- Incision and drainage of an abscess
Minor surgery
- Fishhook or embedded splinter removal
- Ingrown toenail removal
Post-op care
- Suture removal
Reconstruction
- Skin graft
Skin & soft tissue
- Cyst Removal
- Lipoma removal
- Mole removal
- Pilonidal cyst surgery
- Scar revision surgery
- Skin Tag Removal
Skin cancer
- Excision of skin cancer
Vascular
- Blood Clot Removal Surgery
- Carotid endarterectomy
- Leg bypass surgery
- Varicose vein removal
Vascular & cancer
- Chemo port placement
- Chemo port removal
Weight loss
- Gastric bypass surgery
- Gastric sleeve surgery
Wound care
- Bed sore surgery
- Negative pressure wound therapy
Wounds
- Wound Debridement For Foot Ulcer
Procedures Most Often Billed to Medicare
999 services · 960 patients · 22 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Removal of polyps or growths of large bowel using an endoscope with mechanical snare | Procedure | 45385 |
64 | More than most peers in Surgery |
| Biopsy of large bowel using a flexible endoscope | Procedure | 45380 |
57 | More often than most peers in Surgery |
| Repair of groin hernia (5 years or older) | Procedure | 49505 |
24 | More often than most peers in Surgery |
| Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | Procedure | 43239 |
24 | As often as other peers in Surgery |
| Insertion of needle into vein for collection of blood sample | Procedure | 36415 |
24 | As often as other peers in Surgery |
| Diagnostic exam of anus using an endoscope | Procedure | 46600 |
15 | Less often than most peers in Surgery |
| Ultrasound scan of abdominal aorta | Imaging | 76706 |
41 | More than most peers in Surgery |
| Ultrasound of both sides of head and neck blood flow | Treatment | 93880 |
215 | More often than most peers in Surgery |
| Ultrasound study of one arm or leg veins with compression and maneuvers | Treatment | 93971 |
115 | More often than most peers in Surgery |
| Complete ultrasound of abdomen and pelvis artery and vein blood flow | Treatment | 93975 |
30 | More often than most peers in Surgery |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other general surgeons at this location 2
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 5
Clinically related specialties at the same address — the people this provider most likely works alongside.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
More connections — 30 related providers in 4 groups
Other general surgeons in Bend 6
Same specialty, same city.
Trained at Oregon Health Sciences University School of Medicine 8
Other providers in the same specialty who trained at the same institution.
Class of 1996 at Oregon Health Sciences University School of Medicine 8
Providers who graduated from the same medical school in the same year.
Also performs Removal of polyps or growths of large bowel using an endoscope with mechanical snare 8
Providers in OR who bill this service to Medicare most often.
Common questions
What does Darren M. Kowalski specialize in?
Darren M. Kowalski is a general surgeon in Bend, OR. That is the designation recorded for this NPI in the federal registry, where it is listed as “Surgery”.
NPI registry
Where is Darren M. Kowalski located?
Darren M. Kowalski is listed at 1501 Ne Medical Center Dr, Bend, OR 97701. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Darren M. Kowalski's phone number?
The number on file is (541) 382-2811. Contact the office directly to confirm availability and scheduling.
NPI registry
What is Darren M. Kowalski's NPI number?
Darren M. Kowalski's National Provider Identifier is 1598859076. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Where did Darren M. Kowalski train?
Darren M. Kowalski attended Oregon Health Sciences University School of Medicine, graduating in 1996. This comes from the CMS National Downloadable File.
CMS public data
How long has Darren M. Kowalski been practicing?
Darren M. Kowalski has 30 years experience. Calculated from a graduation year of 1996, reported in the CMS National Downloadable File.
CMS public data
What does Darren M. Kowalski do most often?
According to Medicare billing data, Darren M. Kowalski performs procedures including removal of polyps or growths of large bowel using an endoscope with mechanical snare, biopsy of large bowel using a flexible endoscope and repair of groin hernia; reads or performs imaging such as ultrasound scan of abdominal aorta; provides treatments such as ultrasound of both sides of head and neck blood flow and ultrasound study of one arm or leg veins with compression and maneuvers, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Darren M. Kowalski confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Darren M. Kowalski. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.