Physician Profile
Benjamin F Merrifield, MD practices gastroenterology in Olympia, WA. Benjamin is a 1998 graduate of Clvlnd Clinic Lerner College of Med of Case Wstn Rsv University. Medicare claims data shows Benjamin provided 121 services to 119 patients.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Source: NPPES NPI Registry
209 LILLY RD NE
Olympia, WA 98506
Within Gastroenterology generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Most searched conditions
Most searched procedures
121 services · 119 patients · 7 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Diagnostic exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope | Procedure | 43235 |
25 |
| Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | Procedure | 43239 |
18 |
| Diagnostic exam of large bowel using a flexible endoscope | Procedure | 45378 |
14 |
| Biopsy of large bowel using a flexible endoscope | Procedure | 45380 |
12 |
| Control of bleeding of esophagus, stomach, and/or upper small bowel using a flexible endoscope | Procedure | 43255 |
12 |
| Insertion of guide wire with dilation of esophagus using a flexible endoscope | Procedure | 43248 |
12 |
| Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | Office visit | 99222 |
28 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Dr. Merrifield is a gastroenterology in Olympia, WA. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “GASTROENTEROLOGY”.
NPI registry
Dr. Merrifield is listed at 209 LILLY RD NE, Olympia, WA 98506. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (360) 413-8250. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
Dr. Merrifield's National Provider Identifier is 1083695167. 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
Dr. Merrifield attended Clvlnd Clinic Lerner College of Med of Case Wstn Rsv University, graduating in 1998. This comes from the CMS National Downloadable File.
CMS public data
Dr. Merrifield has 28 years experience. Calculated from a graduation year of 1998, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, Dr. Merrifield performs procedures including diagnostic exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope, biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope and diagnostic exam of large 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
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Merrifield. 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.