Physician Profile
Jennifer Onwochei, M.D.
Unclaimed ProfileAbout Dr. Onwochei
Based in Manhasset, NY, Jennifer Onwochei, M.D. is listed in the NPI registry under gastroenterology. Jennifer is also listed as specializing in internal medicine. According to Medicare claims data, Jennifer cared for 209 Medicare patients across 335 services. The services billed most often include subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes, established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more, and new patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more. NPI 1710349410 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
- (516) 562-4664
- Email not available
Practice Locations
400 COMMUNITY DR
Manhasset, NY 11030
201 Lyons Ave
Newark, NJ 07112
263 Farmington Ave
Farmington, CT 06030
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
335 services · 209 patients · 6 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Ultrasound scan of organ tissue for measuring elasticity | Imaging | 76981 |
24 | Less often than most peers in Gastroenterology |
| Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | Office visit | 99232 |
124 | 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 |
97 | 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 |
37 | More often than most 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 |
36 | Less 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 |
17 | 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.
Other gastroenterologists at this location 1
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 2
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 Manhasset 7
Same specialty, same city.
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
Class of 2010 at Other 8
Providers who graduated from the same medical school in the same year.
Also performs Ultrasound scan of organ tissue for measuring elasticity 8
Providers in NY who bill this service to Medicare most often.
Common questions
What is Jennifer Onwochei's specialty?
Jennifer Onwochei is a gastroenterologist in Manhasset, NY. That is the designation recorded for this NPI in the federal registry, where it is listed as “Gastroenterology”.
NPI registry
Where can I find Jennifer Onwochei?
Jennifer Onwochei is listed at 400 Community Dr, Manhasset, NY 11030. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Jennifer Onwochei?
The number on file is (516) 562-4664. Contact the office directly to confirm availability and scheduling.
NPI registry
What is Jennifer Onwochei's NPI number?
Jennifer Onwochei's National Provider Identifier is 1710349410. 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 Jennifer Onwochei's education?
Jennifer Onwochei attended Other, graduating in 2010. This comes from the CMS National Downloadable File.
CMS public data
How long has Jennifer Onwochei been practicing?
Jennifer Onwochei has 16 years experience. Calculated from a graduation year of 2010, reported in the CMS National Downloadable File.
CMS public data
What is Jennifer Onwochei known for?
According to Medicare billing data, Jennifer Onwochei performs imaging including ultrasound scan of organ tissue for measuring elasticity, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Jennifer Onwochei confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Jennifer Onwochei. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.