Physician Profile
Nizar N. Ramzan, M.D.
Unclaimed ProfileAbout Dr. Ramzan
Based in Houston, TX, Nizar N. Ramzan, M.D. is listed in the NPI registry under gastroenterology. According to Medicare claims data, Nizar cared for 2,200 Medicare patients across 3,205 services. The services billed most often include established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more, established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more, and chronic care management services for two or more chronic conditions, additional 20 minutes of clinical staff time directed by health care professional, per calendar month.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Education & Training
Specialty
Credentials & Licensing
License numbers are what the provider reported to NPPES when the NPI was issued or updated. NPPES does not verify licensure; confirm current standing with the state licensing board.
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
- (713) 873-8890
- Email not available
Practice Locations
1504 TAUB LOOP
Houston, TX 77030
8761 E Bell Rd SUITE 105
Scottsdale, AZ 85260
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
3,205 services · 2,200 patients · 20 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Biopsy of large bowel using a flexible endoscope | Procedure | 45380 |
195 | More than most peers in Gastroenterology |
| Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | Procedure | 43239 |
183 | More than most peers in Gastroenterology |
| Removal of polyps or growths of large bowel using an endoscope with mechanical snare | Procedure | 45385 |
115 | More often than most peers in Gastroenterology |
| Balloon dilation of esophagus, stomach, and/or upper small bowel using a flexible endoscope, less than 3.0 cm | Procedure | 43249 |
32 | More often than most peers in Gastroenterology |
| Diagnostic exam of large bowel using a flexible endoscope | Procedure | 45378 |
22 | As often as other peers in Gastroenterology |
| Biopsy of lower large bowel using a flexible endoscope | Procedure | 45331 |
13 | As often as other peers in Gastroenterology |
| Destruction of polyp or growth of large bowel using a flexible endoscope | Procedure | 45388 |
12 | Less often than most peers in Gastroenterology |
| Measurement of hydrogen in breath to test for stomach and bowel symptoms | Treatment | 91065 |
46 | More often than most peers in Gastroenterology |
| Imaging of digestive tract done from the inside of the digestive tract | Treatment | 91110 |
13 | 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 |
585 | More 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 1
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 5
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 — 31 related providers in 4 groups
Other gastroenterologists in Houston 8
Same specialty, same city.
Trained at Other 7
Other providers in the same specialty who trained at the same institution.
Class of 1988 at Other 8
Providers who graduated from the same medical school in the same year.
Also performs Biopsy of large bowel using a flexible endoscope 8
Providers in TX who bill this service to Medicare most often.
Common questions
What is Nizar N. Ramzan's specialty?
Nizar N. Ramzan is a gastroenterologist in Houston, TX. That is the designation recorded for this NPI in the federal registry, where it is listed as “Gastroenterology”.
NPI registry
Where can I find Nizar N. Ramzan?
Nizar N. Ramzan is listed at 1504 Taub Loop, Houston, TX 77030. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Nizar N. Ramzan?
The number on file is (713) 873-8890. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Nizar N. Ramzan's NPI number?
Nizar N. Ramzan's National Provider Identifier is 1992733992. 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 Nizar N. Ramzan's education?
Nizar N. Ramzan attended Other, graduating in 1988. This comes from the CMS National Downloadable File.
CMS public data
How long has Nizar N. Ramzan been practicing?
Nizar N. Ramzan has 38 years experience. Calculated from a graduation year of 1988, reported in the CMS National Downloadable File.
CMS public data
What is Nizar N. Ramzan known for?
According to Medicare billing data, Nizar N. Ramzan 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; provides treatments such as measurement of hydrogen in breath to test for stomach and bowel symptoms and imaging of digestive tract done from the inside of the digestive tract, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Nizar N. Ramzan confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Nizar N. Ramzan. 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.