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Edit this profileAt a glance
- 1705 E 19Th St Ste 502, Tulsa, OK 74104
About Dr. Kiefer
Mark A. Kiefer, MD is a healthcare provider in Tulsa, OK specializing in colorectal surgery (proctology). Mark trained at University of Tennessee, Hsc, College of Medicine, graduating in 2003. Mark is also listed as specializing in surgery and colon & rectal surgery. Medicare claims data shows Mark provided 503 services to 454 patients. The services billed most often include biopsy of large bowel using a flexible endoscope, 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, and diagnostic exam of anus using an endoscope. This provider record is associated with NPI 1992896567.
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) 748-7800
- Email not available
Practice Locations
1705 E 19TH ST STE 502
Tulsa, OK 74104
Conditions Commonly Evaluated or Treated
Within Colon and Rectal Surgery 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
Anorectal conditions
Anorectal disorders
Bowel disorders
- Bowel Blockage in Babies
- Chronic diarrhea
- Constipation From Pain Medicine
- Difficulty Emptying Bowels
- Severely Enlarged Colon
- Twisted Bowel
Bowel symptoms
Cancer
Colon conditions
Digestive emergencies
Infections
Infections & cysts
Inflammatory bowel disease
Inflammatory conditions
Ostomy & surgical complications
Pain
Pelvic disorders
Pelvic floor & structure
Skin conditions
Tumors & growths
Vascular & inflammatory
Procedures & services
Most searched procedures
Abdominal surgery
Anorectal procedures
Bowel management
Cancer screening
Cancer surgery
Diagnostic tests
Diagnostics
Digestive health
Endoscopy & minimally invasive
Excision & drainage
Fistula procedures
Hemorrhoid treatments
Inflammatory bowel surgery
Injections & pain relief
Minimally invasive surgery
Ostomy surgery
Pelvic floor & prolapse
Pelvic therapy
Reconstructive surgery
Therapy & rehabilitation
Procedures Most Often Billed to Medicare
503 services · 454 patients · 14 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Biopsy of large bowel using a flexible endoscope | Procedure | 45380 |
75 | More than most peers in Colorectal Surgery (Proctology) |
| Diagnostic exam of anus using an endoscope | Procedure | 46600 |
60 | More often than most peers in Colorectal Surgery (Proctology) |
| Removal of polyps or growths of large bowel using an endoscope with mechanical snare | Procedure | 45385 |
50 | More often than most peers in Colorectal Surgery (Proctology) |
| Partial removal of small and large bowel with attachment of small and large bowel using an endoscope | Procedure | 44205 |
20 | More than most peers in Colorectal Surgery (Proctology) |
| Partial removal of large bowel and reattachment to rectum using an endoscope | Procedure | 44207 |
16 | More often than most peers in Colorectal Surgery (Proctology) |
| 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 |
73 | More often than most peers in Colorectal Surgery (Proctology) |
| Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | Office visit | 99232 |
55 | More often than most peers in Colorectal Surgery (Proctology) |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
52 | As often as other peers in Colorectal Surgery (Proctology) |
| New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more | Office visit | 99203 |
24 | As often as other peers in Colorectal Surgery (Proctology) |
| New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more | Office visit | 99204 |
21 | As often as other peers in Colorectal Surgery (Proctology) |
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.
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 colorectal surgery specialists in Tulsa 8
Same specialty, same city.
Trained at University of Tennessee, Hsc, College of Medicine 6
Other providers in the same specialty who trained at the same institution.
More connections — 11 related providers in 2 groups
Class of 2003 at University of Tennessee, Hsc, College of Medicine 8
Providers who graduated from the same medical school in the same year.
Also performs Biopsy of large bowel using a flexible endoscope 3
Providers in OK who bill this service to Medicare most often.
Common questions
What kind of doctor is Dr. Kiefer?
Dr. Kiefer is a colorectal surgery (proctology) in Tulsa, OK. That is the designation recorded for this NPI in the federal registry.
NPI registry
What is Dr. Kiefer's address?
Dr. Kiefer is listed at 1705 E 19Th St Ste 502, Tulsa, OK 74104. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with Dr. Kiefer?
The number on file is (918) 748-7800. Contact the office directly to confirm availability and scheduling.
NPI registry
What is the NPI for Dr. Kiefer?
Dr. Kiefer's National Provider Identifier is 1992896567. 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 Dr. Kiefer train?
Dr. Kiefer attended University of Tennessee, Hsc, College of Medicine, graduating in 2003. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Dr. Kiefer have?
Dr. Kiefer has 23 years experience. Calculated from a graduation year of 2003, reported in the CMS National Downloadable File.
CMS public data
What procedures does Dr. Kiefer perform?
According to Medicare billing data, Dr. Kiefer performs procedures including biopsy of large bowel using a flexible endoscope, diagnostic exam of anus using an 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
Is Dr. Kiefer's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Kiefer. If this is you, claiming it is free.
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