Physician Profile
Unclaimed ProfileAbout FIELDS
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Education & Training
Areas of Expertise
Common questions
What is Dr. Fields's specialty?
Dr. Fields is a gastroenterology in Ames, IA. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “GASTROENTEROLOGY”.
NPI registry
Where can I find Dr. Fields?
Dr. Fields is listed at 1215 DUFF AVENUE MCFARLAND CLINIC. PC, Ames, IA 50010. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Dr. Fields?
The number on file is (515) 239-4450. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Dr. Fields's NPI number?
Dr. Fields's National Provider Identifier is 1285844142. 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
What is Dr. Fields's medical education?
Dr. Fields attended Other, graduating in 2008. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Fields been practising?
Dr. Fields has 18 years experience. Calculated from a graduation year of 2008, reported in the CMS National Downloadable File.
CMS public data
What is Dr. Fields known for?
According to Medicare billing data, Dr. Fields performs procedures including removal of polyps or growths of large bowel using an endoscope with mechanical snare, insertion of needle into vein for collection of blood sample and biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Dr. Fields confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Fields. If this is you, claiming it is free.
Guide.md
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (515) 239-4450
- Email not available
Practice Locations
1215 DUFF AVENUE MCFARLAND CLINIC. PC
Ames, IA 50010
Procedures Most Often Billed to Medicare
1,866 services · 1,642 patients · 23 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Removal of polyps or growths of large bowel using an endoscope with mechanical snare | Procedure | 45385 |
278 |
| Insertion of needle into vein for collection of blood sample | Procedure | 36415 |
90 |
| Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | Procedure | 43239 |
57 |
| Diagnostic exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope | Procedure | 43235 |
57 |
| Biopsy of large bowel using a flexible endoscope | Procedure | 45380 |
39 |
| Diagnostic exam of large bowel using a flexible endoscope | Procedure | 45378 |
30 |
| Insertion of guide wire with dilation of esophagus using a flexible endoscope | Procedure | 43248 |
25 |
| Balloon dilation of esophagus, stomach, and/or upper small bowel using a flexible endoscope, less than 3.0 cm | Procedure | 43249 |
24 |
| Moderate sedation services provided by the same physician or other qualified health care professional performing a gastrointestinal endoscopic service that sedation supports, requiring the presence of an independent trained observer to assist in the monit | Billing code | G0500 |
597 |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
97 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
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Claim this profileRelated providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other gastroenterology specialists at this location 1
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 6
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 — 26 related providers in 4 groups
Other gastroenterology specialists in Ames 3
Same specialty, same city.
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
Class of 2008 at Other 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 7
Providers in IA who bill this service to Medicare most often.
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.