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Edit this profileAt a glance
- 3209 S 23Rd St, Ste. 340, Tacoma, WA 98405
About Dr. Holderman
Based in Tacoma, WA, William H. Holderman, M.D. is listed in the NPI registry under gastroenterology. William graduated from R Franklin University of Med & Sci/Chicago Medical School in 1987. According to Medicare claims data, William cared for 539 Medicare patients across 550 services. The services billed most often include biopsy of large bowel using a flexible endoscope, biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope, and colorectal cancer screening; colonoscopy on individual at high risk. NPI 1346213956 identifies this record in the national registry.
Factual summary compiled by Guide.md from public records; not written by this provider.
Education & Training
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
- (253) 272-8148
- Email not available
Practice Locations
3209 S 23RD ST STE. 340
Tacoma, WA 98405
Conditions Commonly Evaluated or Treated
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.
Conditions
Most searched conditions
- Acid reflux
- Celiac disease
- Crohn's disease
- Hemorrhoids
- IBS
- Swallowing difficulties
- Ulcerative colitis
Biliary and pancreas
Colon and anorectal
Esophagus and swallowing
Functional bowel and motility
Liver
- Ascites
- Autoimmune hepatitis
- Cirrhosis
- Fatty liver disease
- Hemochromatosis
- Hepatitis B
- Hepatitis C
- Portal hypertension
Stomach and duodenum
Bowel & Colon
Digestive Symptoms
Gallbladder & Bile Ducts
Procedures & services
Most searched procedures
Lower endoscopy
Upper endoscopy
Capsule and physiology testing
Diagnostic Testing
Liver procedures
Treatments
Procedures Most Often Billed to Medicare
550 services · 539 patients · 12 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Biopsy of large bowel using a flexible endoscope | Procedure | 45380 |
88 | More often than most peers in Gastroenterology |
| Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | Procedure | 43239 |
83 | More often than most peers in Gastroenterology |
| Removal of polyps or growths of large bowel using an endoscope with mechanical snare | Procedure | 45385 |
52 | As often as other peers in Gastroenterology |
| Insertion of guide wire with dilation of esophagus using a flexible endoscope | Procedure | 43248 |
28 | As often as other peers in Gastroenterology |
| Diagnostic exam of large bowel using a flexible endoscope | Procedure | 45378 |
22 | As often as other peers in Gastroenterology |
| Colorectal cancer screening; colonoscopy on individual at high risk | Billing code | G0105 |
77 | More than most peers in Gastroenterology |
| 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 |
41 | As often as other peers in Gastroenterology |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
41 | As often as other peers in Gastroenterology |
| Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more | Office visit | 99212 |
38 | More often than most peers in Gastroenterology |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
30 | Less often than most peers in Gastroenterology |
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 gastroenterologists at this location 8
Same specialty, same street address — most likely the same department or group.
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 gastroenterologists in Tacoma 6
Same specialty, same city.
More connections — 23 related providers in 3 groups
Trained at R Franklin University of Med & Sci/Chicago Medical School 8
Other providers in the same specialty who trained at the same institution.
Class of 1987 at R Franklin University of Med & Sci/Chicago Medical School 8
Providers who graduated from the same medical school in the same year.
Also performs Biopsy of large bowel using a flexible endoscope 7
Providers in WA who bill this service to Medicare most often.
Common questions
What does William H. Holderman specialize in?
William H. Holderman is a gastroenterologist in Tacoma, WA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Gastroenterology”.
NPI registry
Where is William H. Holderman located?
William H. Holderman is listed at 3209 S 23Rd St Ste. 340, Tacoma, WA 98405. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is William H. Holderman's phone number?
The number on file is (253) 272-8148. Contact the office directly to confirm availability and scheduling.
NPI registry
What is William H. Holderman's NPI number?
William H. Holderman's National Provider Identifier is 1346213956. 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 William H. Holderman train?
William H. Holderman attended R Franklin University of Med & Sci/Chicago Medical School, graduating in 1987. This comes from the CMS National Downloadable File.
CMS public data
How long has William H. Holderman been practicing?
William H. Holderman has 39 years experience. Calculated from a graduation year of 1987, reported in the CMS National Downloadable File.
CMS public data
What does William H. Holderman do most often?
According to Medicare billing data, William H. Holderman performs procedures including biopsy of large bowel using a flexible endoscope, biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope and removal of polyps or growths of large bowel using an endoscope with mechanical snare, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has William H. Holderman confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by William H. Holderman. If this is you, claiming it is free.
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