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- 6465 S Yale Ave, Suite 1002, Tulsa, OK 74136
About Douglas Kliewer
Based in Tulsa, OK, Douglas B. Kliewer, M. D. is listed in the NPI registry under gastroenterology. Douglas graduated from University of Oklahoma College of Medicine in 1994. According to Medicare claims data, Douglas cared for 631 Medicare patients across 5,457 services. The services billed most often include injection, vedolizumab, intravenous, 1 mg, removal of polyps or growths of large bowel using an endoscope with mechanical snare, and established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more. NPI 1174518906 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
- (918) 481-4706
- Email not available
Practice Locations
6465 S YALE AVE SUITE 1002
Tulsa, OK 74136
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
Chronic conditions
Liver health
Specialized and cancer
Wound care
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
Advanced endoscopy
Biliary and pancreatic endoscopy
Capsule and physiology testing
- Ambulatory reflux monitoring
- Hydrogen and methane breath testing
- Anorectal manometry
- Capsule endoscopy
- Esophageal manometry
Chronic illness
Clinical Nutrition
Digestive
General surgery
Lower endoscopy
- Diagnostic colonoscopy
- Colon polyp removal
- Endoscopic control of gastrointestinal bleeding
- Flexible sigmoidoscopy
Nursing care
Upper endoscopy
- Endoscopic mucosal resection
- Esophageal biopsy
- Stomach biopsy
- Endoscopic submucosal dissection
- Esophageal dilation
Most searched procedures
Diagnostic Testing
- 24-Hour Acid Reflux Test
- EUS-Guided Fine Needle Biopsy
- H. Pylori Breath Test
- SIBO Breath Test
Liver procedures
- Esophageal variceal banding
- Liver elastography
- Paracentesis
Treatments
Procedures Most Often Billed to Medicare
5,457 services · 631 patients · 15 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Removal of polyps or growths of large bowel using an endoscope with mechanical snare | Procedure | 45385 |
131 | More often than most peers in Gastroenterology |
| Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | Procedure | 43239 |
87 | More often than most peers in Gastroenterology |
| Biopsy of large bowel using a flexible endoscope | Procedure | 45380 |
41 | As often as other peers in Gastroenterology |
| Balloon dilation of esophagus, stomach, and/or upper small bowel using a flexible endoscope, less than 3.0 cm | Procedure | 43249 |
23 | As often as other peers in Gastroenterology |
| Diagnostic exam of large bowel using a flexible endoscope | Procedure | 45378 |
20 | As often as other peers in Gastroenterology |
| Diagnostic exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope | Procedure | 43235 |
15 | Less often than most peers in Gastroenterology |
| Infusion into a vein for therapy, prevention, or diagnosis, 1 hour or less | Treatment | 96365 |
16 | Less often than most peers in Gastroenterology |
| Injection, vedolizumab, intravenous, 1 mg | Drug given | J3380 |
4,800 | Less 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 |
116 | More often than most peers in Gastroenterology |
| New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more | Office visit | 99204 |
84 | More 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 3
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 2
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 — 29 related providers in 4 groups
Other gastroenterologists in Tulsa 8
Same specialty, same city.
Trained at University of Oklahoma College of Medicine 7
Other providers in the same specialty who trained at the same institution.
Class of 1994 at University of Oklahoma College of Medicine 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 6
Providers in OK who bill this service to Medicare most often.
Common questions
What is Douglas B. Kliewer's specialty?
Douglas B. Kliewer is a gastroenterologist in Tulsa, OK. That is the designation recorded for this NPI in the federal registry, where it is listed as “Gastroenterology”.
NPI registry
Where can I find Douglas B. Kliewer?
Douglas B. Kliewer is listed at 6465 S Yale Ave Suite 1002, Tulsa, OK 74136. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Douglas B. Kliewer?
The number on file is (918) 481-4706. Contact the office directly to confirm availability and scheduling.
NPI registry
What is Douglas B. Kliewer's NPI number?
Douglas B. Kliewer's National Provider Identifier is 1174518906. 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 Douglas B. Kliewer's education?
Douglas B. Kliewer attended University of Oklahoma College of Medicine, graduating in 1994. This comes from the CMS National Downloadable File.
CMS public data
How long has Douglas B. Kliewer been practicing?
Douglas B. Kliewer has 32 years experience. Calculated from a graduation year of 1994, reported in the CMS National Downloadable File.
CMS public data
What is Douglas B. Kliewer known for?
According to Medicare billing data, Douglas B. Kliewer performs procedures including removal of polyps or growths of large bowel using an endoscope with mechanical snare, biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope and biopsy of large bowel using a flexible endoscope; provides treatments such as infusion into a vein for therapy, prevention, or diagnosis, 1 hour or less, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Douglas B. Kliewer confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Douglas B. Kliewer. If this is you, claiming it is free.
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