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Edit this profileAt a glance
- 3333 Henry Hudson Pkwy, Suite #1, Bronx, NY 10463
About Dr. Harnik
Based in Bronx, NY, Ian G. Harnik, M.D. is listed in the NPI registry under gastroenterology. Ian graduated from New York University School of Medicine in 2004. Ian is also listed as specializing in internal medicine. Medicare claims data shows Ian provided 187 services to 171 patients. 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, measurement of hydrogen in breath to test for stomach and bowel symptoms, and established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more. NPI 1851506737 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
- (718) 796-1000
- Email not available
Is this your home address or personal number? Hide it
Practice Locations
3333 HENRY HUDSON PKWY SUITE #1
Bronx, NY 10463
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
- Capsule endoscopy
- Hydrogen and methane breath testing
- Anorectal manometry
- Esophageal manometry
Chronic illness
Clinical Nutrition
Diagnostic Testing
Digestive
General surgery
Infection & Microbiology Tests
Liver procedures
Lower endoscopy
- Colon polyp removal
- Diagnostic colonoscopy
- Endoscopic control of gastrointestinal bleeding
- Flexible sigmoidoscopy
Nursing care
Nutrition & Digestion
Upper endoscopy
- Endoscopic mucosal resection
- Esophageal biopsy
- Esophageal dilation
- Stomach biopsy
- Endoscopic submucosal dissection
Most searched procedures
Treatments
Procedures Most Often Billed to Medicare
187 services · 171 patients · 8 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Diagnostic exam of anus using an endoscope | Procedure | 46600 |
20 | More often than most peers in Gastroenterology |
| Biopsy of large bowel using a flexible endoscope | Procedure | 45380 |
18 | Less often than most peers in Gastroenterology |
| Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | Procedure | 43239 |
18 | Less often than most peers in Gastroenterology |
| Measurement of hydrogen in breath to test for stomach and bowel symptoms | Treatment | 91065 |
23 | As often as other 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 |
47 | 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 |
22 | Less 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 |
20 | Less often than most peers in Gastroenterology |
| Stool analysis for blood to screen for colon tumors | Lab test | 82270 |
19 | As often as other 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.
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 Bronx 8
Same specialty, same city.
More connections — 22 related providers in 3 groups
Trained at New York University School of Medicine 8
Other providers in the same specialty who trained at the same institution.
Class of 2004 at New York University School of Medicine 8
Providers who graduated from the same medical school in the same year.
Also performs Diagnostic exam of anus using an endoscope 6
Providers in NY who bill this service to Medicare most often.
Common questions
What does Ian G. Harnik specialize in?
Ian G. Harnik is a gastroenterologist in Bronx, NY. That is the designation recorded for this NPI in the federal registry, where it is listed as “Gastroenterology”.
NPI registry
Where is Ian G. Harnik located?
Ian G. Harnik is listed at 3333 Henry Hudson Pkwy Suite #1, Bronx, NY 10463. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Ian G. Harnik's phone number?
The number on file is (718) 796-1000. Contact the office directly to confirm availability and scheduling.
NPI registry
What is the NPI for Ian G. Harnik?
Ian G. Harnik's National Provider Identifier is 1851506737. 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 Ian G. Harnik train?
Ian G. Harnik attended New York University School of Medicine, graduating in 2004. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Ian G. Harnik have?
Ian G. Harnik has 22 years experience. Calculated from a graduation year of 2004, reported in the CMS National Downloadable File.
CMS public data
What does Ian G. Harnik do most often?
According to Medicare billing data, Ian G. Harnik performs procedures including diagnostic exam of anus using an endoscope, biopsy of large bowel using a flexible endoscope and biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope; provides treatments such as measurement of hydrogen in breath to test for stomach and bowel symptoms, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Ian G. Harnik's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Ian G. Harnik. If this is you, claiming it is free.
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