Physician Profile
Aaron Z. Tokayer, MD
Unclaimed ProfileAbout Dr. Tokayer
Based in Bronx, NY, Aaron Z. Tokayer, MD is listed in the NPI registry under gastroenterology. Aaron graduated from Albert Einstein College of Medicine of Yeshiva University in 1986. Medicare claims data shows Aaron provided 282 services to 262 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, established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more, and biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope.
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
- (866) 633-8255
- Email not available
Practice Locations
MMC - DEPT. OF MEDICINE 111 EAST 210TH STREET
Bronx, NY 10467
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
282 services · 262 patients · 11 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | Procedure | 43239 |
34 | Less often than most peers in Gastroenterology |
| Biopsy of large bowel using a flexible endoscope | Procedure | 45380 |
13 | Less often than most peers in Gastroenterology |
| Monitoring and recording of esophageal function through nasal tube with electrode | Treatment | 91037 |
24 | As often as other peers in Gastroenterology |
| Study of esophagus to assess movement | Treatment | 91010 |
24 | As often as other peers in Gastroenterology |
| Study of esophageal sensation by balloon distension | Treatment | 91040 |
12 | Less often than most peers in Gastroenterology |
| Study of rectum sensitivity and function | Treatment | 91122 |
11 | 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 |
55 | As often as other peers in Gastroenterology |
| Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more | Office visit | 99215 |
46 | More often than most peers in Gastroenterology |
| Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | Office visit | 99222 |
23 | As often as other 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 |
23 | Less 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.
Also at this address 3
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.
Trained at Albert Einstein College of Medicine of Yeshiva University 7
Other providers in the same specialty who trained at the same institution.
More connections — 16 related providers in 2 groups
Class of 1986 at Albert Einstein College of Medicine of Yeshiva University 8
Providers who graduated from the same medical school in the same year.
Also performs Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 8
Providers in NY who bill this service to Medicare most often.
Common questions
What does Dr. Tokayer specialize in?
Dr. Tokayer 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 Dr. Tokayer located?
Dr. Tokayer is listed at Mmc - Dept. of Medicine 111 East 210Th Street, Bronx, NY 10467. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Dr. Tokayer's phone number?
The number on file is (866) 633-8255. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is the NPI for Dr. Tokayer?
Dr. Tokayer's National Provider Identifier is 1336220755. 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. Tokayer go to medical school?
Dr. Tokayer attended Albert Einstein College of Medicine of Yeshiva University, graduating in 1986. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Dr. Tokayer have?
Dr. Tokayer has 40 years experience. Calculated from a graduation year of 1986, reported in the CMS National Downloadable File.
CMS public data
What does Dr. Tokayer do most often?
According to Medicare billing data, Dr. Tokayer performs procedures including 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 monitoring and recording of esophageal function through nasal tube with electrode and study of esophagus to assess movement, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Dr. Tokayer's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Tokayer. 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.