Physician Profile
Denis R. Westphal, M.D.
Unclaimed ProfileAbout Dr. Westphal
Denis R. Westphal, M.D. is a healthcare provider in Chico, CA specializing in surgery. Denis trained at Loma Linda University School of Medicine, graduating in 1982. Denis is also listed as specializing in surgical critical care, trauma surgery, and vascular surgery. Medicare claims data shows Denis provided 2,151 services to 920 patients. The services billed most often include removal of skin and tissue, 20.0 sq cm or less, established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more, and established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it — free, and no identity document with a practice or institutional email.
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
- (530) 345-9455
- Email not available
Practice Locations
95 DECLARATION DR SUITE 1
Chico, CA 95973
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
2,151 services · 920 patients · 9 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Removal of skin and tissue, 20.0 sq cm or less | Procedure | 11042 |
613 | More than most peers in Surgery |
| Removal of skin and tissue, each additional 20.0 sq cm or less | Procedure | 11045 |
63 | Less often than most peers in Surgery |
| Application of chemical to stop tissue regrowth in wound | Procedure | 17250 |
58 | As often as other peers in Surgery |
| Management of oxygen chamber therapy | Treatment | 99183 |
237 | More often than most peers in Surgery |
| Removal of tissue from wound, 20.0 sq cm or less | Treatment | 97597 |
84 | As often as other peers in Surgery |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
507 | More than most peers in Surgery |
| Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more | Office visit | 99212 |
461 | More than most peers in Surgery |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
82 | More often than most peers in Surgery |
| New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more | Office visit | 99203 |
46 | 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.
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.
Other general surgeons in Chico 7
Same specialty, same city.
Trained at Loma Linda University School of Medicine 8
Other providers in the same specialty who trained at the same institution.
More connections — 16 related providers in 2 groups
Class of 1982 at Loma Linda University School of Medicine 8
Providers who graduated from the same medical school in the same year.
Also performs Removal of skin and tissue, 20.0 sq cm or less 8
Providers in CA who bill this service to Medicare most often.
Common questions
What kind of doctor is Denis R. Westphal?
Denis R. Westphal is a general surgeon in Chico, CA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Surgery”.
NPI registry
What is Denis R. Westphal's address?
Denis R. Westphal is listed at 95 Declaration Dr Suite 1, Chico, CA 95973. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with Denis R. Westphal?
The number on file is (530) 345-9455. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is the NPI for Denis R. Westphal?
Denis R. Westphal's National Provider Identifier is 1285640243. 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 Denis R. Westphal train?
Denis R. Westphal attended Loma Linda University School of Medicine, graduating in 1982. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Denis R. Westphal have?
Denis R. Westphal has 44 years experience. Calculated from a graduation year of 1982, reported in the CMS National Downloadable File.
CMS public data
What procedures does Denis R. Westphal perform?
According to Medicare billing data, Denis R. Westphal performs procedures including removal of skin and tissue, 20.0 sq cm or less, removal of skin and tissue, each additional 20.0 sq cm or less and application of chemical to stop tissue regrowth in wound; provides treatments such as management of oxygen chamber therapy and removal of tissue from wound, 20.0 sq cm or less, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Denis R. Westphal's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Denis R. Westphal. If this is you, claiming it is free.
Guide.md
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.