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Edit this profileWhere to find Mark Hanna, MD
- Upland location main office
1100 San Bernardino Road, Suite 1100, Upland, CA 91786 - Corona location
1280 Corona Pointe Ct Ste 112, Corona, CA 92879
About Dr. Hanna
Mark Hanna, MD practices colon & rectal surgery in Upland, CA. Medicare claims data shows Mark provided 294 services to 243 patients. The services billed most often include established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more, new patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more, and established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more. The provider's National Provider Identifier (NPI) is 1902120439.
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
- (909) 949-2242
- Email not available
Practice Locations
1100 SAN BERNARDINO ROAD SUITE 1100
Upland, CA 91786
1280 Corona Pointe Ct Ste 112
Corona, CA 92879
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
Anorectal conditions
- Rectal Ulcer
- Anal fistula
Anorectal disorders
- Anal Itching
- Anal Skin Tags
- Anal Stricture
- Perianal Hematoma
- Rectovaginal Fistula
Bowel disorders
- Bowel Blockage in Babies
- Constipation From Pain Medicine
- Difficulty Emptying Bowels
- Severely Enlarged Colon
- Twisted Bowel
- Chronic diarrhea
Bowel symptoms
- Diverticulosis
- Constipation
- Lower gastrointestinal bleeding
Cancer
- Precancerous Anal Cells
- Anal cancer
- Appendix cancer
- Inherited Cancer Risk
Colon conditions
- Inherited Colon Polyps
Inflammatory bowel disease
- Radiation Proctitis
- Ulcerative colitis
Inflammatory conditions
- Rectal Inflammation
Ostomy & bowel
Ostomy & surgical complications
- Stoma Problems
Pain
- Rectal Pain
- Tailbone pain
Pelvic disorders
- Bowel Endometriosis
Skin conditions
- Perianal Boils
Most searched conditions
- Anal fissures
- Colon cancer
- Crohn's disease
- Diverticulitis
- Hemorrhoids
Digestive emergencies
Infections
- C. diff Infection
Infections & cysts
Pelvic floor & structure
Tumors & growths
Vascular & inflammatory
Procedures & services
Abdominal surgery
- Bowel Adhesion Removal
- Appendectomy
Anorectal procedures
- Anal Dilation
Bowel management
- Transanal Irrigation
Cancer surgery
- Complete Rectum and Anus Removal
- Heated Chemotherapy for Abdominal Cancer
- Low Anterior Resection
Diagnostic tests
- Endorectal Ultrasound
- J-Pouch Scope
- Rectal Exam with Scope
Diagnostics
- Defecography
- High-Resolution Anorectal Manometry
- High-Resolution Anoscopy
- Prostate Ultrasound
Digestive
Endoscopy & minimally invasive
- Colon polyp removal
- Flexible sigmoidoscopy
- Transanal Minimally Invasive Surgery
Excision & drainage
- Anal Skin Tag Removal
- Anal Wart Removal
- Drainage of anal abscess
- Pilonidal cyst surgery
Fistula procedures
- Seton Drain Placement
General surgery
Hemorrhoid treatments
- Hemorrhoid Injections
- Laser Hemorrhoid Treatment
- Rubber-band ligation of hemorrhoids
Infection & Microbiology Tests
Inflammatory bowel surgery
- Bowel-Sparing Surgery for Crohn's
Injections & pain relief
- Anal Sphincter Botox
Minimally invasive surgery
- Robotic Colon Surgery
Ostomy & bowel
- Ostomy bag fitting and care
- Ostomy leak troubleshooting
Ostomy surgery
- Colostomy Placement
- Ileostomy Surgery
- Parastomal Hernia Repair
- Stoma Revision
Pelvic therapy
- Pelvic Biofeedback Therapy
Reconstructive surgery
- J-Pouch Surgery
- Rectovaginal Fistula Repair
- Anal Sphincter Repair
- Ostomy reversal
Wound care
- Stoma Site Marking Before Surgery
Most searched procedures
- Bowel resection
- Colonoscopy
- Fistula repair
- Hemorrhoid removal
Cancer screening
Digestive health
Pelvic floor & prolapse
- Pelvic organ prolapse surgery
- Rectal prolapse repair
- Sacral neuromodulation
Therapy & rehabilitation
Procedures Most Often Billed to Medicare
294 services · 243 patients · 7 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Diagnostic exam of anus using an endoscope | Procedure | 46600 |
33 | As often as other peers in Colon & Rectal Surgery |
| Diagnostic exam of lower portion of large bowel using a flexible endoscope | Procedure | 45330 |
27 | More often than most peers in Colon & Rectal Surgery |
| Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more | Office visit | 99215 |
112 | More than most peers in Colon & Rectal Surgery |
| New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more | Office visit | 99205 |
47 | More than most peers in Colon & Rectal Surgery |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
41 | More often than most peers in Colon & Rectal Surgery |
| New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more | Office visit | 99204 |
22 | As often as other peers in Colon & Rectal Surgery |
| Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | Office visit | 99223 |
12 | Less often than most peers in Colon & Rectal Surgery |
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 colorectal surgeons at this location 1
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 3
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 — 24 related providers in 3 groups
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
Class of 2009 at Other 8
Providers who graduated from the same medical school in the same year.
Also performs Diagnostic exam of anus using an endoscope 8
Providers in CA who bill this service to Medicare most often.
Common questions
What does Dr. Hanna specialize in?
Dr. Hanna is a colorectal surgeon in Upland, CA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Colon & Rectal Surgery”.
NPI registry
Where is Dr. Hanna located?
Dr. Hanna is listed at 1100 San Bernardino Road Suite 1100, Upland, CA 91786. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Dr. Hanna's phone number?
The number on file is (909) 949-2242. Contact the office directly to confirm availability and scheduling.
NPI registry
What is the NPI for Dr. Hanna?
Dr. Hanna's National Provider Identifier is 1902120439. 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. Hanna go to medical school?
Dr. Hanna attended Other, graduating in 2009. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Dr. Hanna have?
Dr. Hanna has 17 years experience. Calculated from a graduation year of 2009, reported in the CMS National Downloadable File.
CMS public data
What does Dr. Hanna do most often?
According to Medicare billing data, Dr. Hanna performs procedures including diagnostic exam of anus using an endoscope and diagnostic exam of lower portion 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
Is Dr. Hanna's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Hanna. If this is you, claiming it is free.
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