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Edit this profileAt a glance
- 1900 16Th St, Greeley, CO 80631
About Dr. Schiefen
Based in Greeley, CO, James C. Schiefen, DO is listed in the NPI registry under surgery. Medicare claims data shows James provided 80 services to 63 patients. The services billed most often include established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more, colorectal cancer screening; colonoscopy on individual at high risk, and established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more. NPI 1477525285 identifies this record in the national registry.
Factual summary compiled by Guide.md from public records; not written by this provider.
Specialty
Credentials & Licensing
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
- (970) 350-2426
- Email not available
Practice Locations
1900 16TH ST
Greeley, CO 80631
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
Breast conditions
Cancer
- Colon cancer
- Esophageal cancer
- Liver cancer
- Neuroendocrine Tumors
- Pancreatic cancer
- Soft-tissue sarcoma
- Stomach cancer
- Thyroid cancer
Colorectal
Digestive
- Abdominal adhesions
- Acid reflux
- Acute pancreatitis
- Bowel obstruction
- Colon polyps
- Diverticulitis
- Gastroparesis
- Peptic ulcer disease
Digestive & blood
Digestive health
- Crohn's disease
- Fecal incontinence
- Perforated bowel
- Severe chronic constipation
- Swallowing difficulties
- Ulcerative colitis
Endocrine
Infections
Lumps & bumps
Lymphatic
Minor surgery
Skin & scars
Skin & soft tissue
Skin cancer
Vascular
Weight & metabolism
Wound care
Wounds
Procedures & services
Endocrine
Vascular
- Blood Clot Removal Surgery
- Carotid endarterectomy
- Leg bypass surgery
- Varicose vein removal
Wounds
Most searched procedures
Abdominal
Abdominal surgery
Bariatric
Breast surgery
Cancer
Cancer surgery
Colorectal
- Anal fistula surgery
- Anal Sphincter Repair
- Colon resection
- Hemorrhoid removal
- Ostomy reversal
- Ostomy surgery
- Rectal prolapse repair
- Surgery for chronic anal fissure
Consultations
Diagnostic
Digestive
Digestive health
Infections
Minor surgery
Post-op care
Reconstruction
Skin & soft tissue
- Cyst Removal
- Lipoma removal
- Mole removal
- Pilonidal cyst surgery
- Scar revision surgery
- Skin Tag Removal
Skin cancer
Vascular & cancer
Weight loss
Wound care
Procedures Most Often Billed to Medicare
80 services · 63 patients · 3 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
58 | More often than most peers in Surgery |
| Colorectal cancer screening; colonoscopy on individual at high risk | Billing code | G0105 |
11 | Less often than most peers in Surgery |
| Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more | Office visit | 99215 |
11 | Less 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 4
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 8
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 — 5 related providers in 1 group
Common questions
What does Dr. Schiefen specialize in?
Dr. Schiefen is a general surgeon in Greeley, CO. That is the designation recorded for this NPI in the federal registry, where it is listed as “Surgery”.
NPI registry
Where is Dr. Schiefen located?
Dr. Schiefen is listed at 1900 16Th St, Greeley, CO 80631. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Dr. Schiefen's phone number?
The number on file is (970) 350-2426. Contact the office directly to confirm availability and scheduling.
NPI registry
What is the NPI for Dr. Schiefen?
Dr. Schiefen's National Provider Identifier is 1477525285. 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
How much experience does Dr. Schiefen have?
Dr. Schiefen has 20+ years experience. Registered with an NPI since 2006. National Provider Identifiers only began in 2005, so a provider who qualified earlier may have practiced for longer than this.
NPI registry
What does Dr. Schiefen do most often?
According to Medicare billing data, Dr. Schiefen the Medicare record under this individual NPI shows mainly office visits and diagnostic testing. Hospital-based physicians usually have their procedural work billed by the facility rather than under their own number, so this is a floor on their practice, not a description of it. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Dr. Schiefen's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Schiefen. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.