Physician Profile
Joseph A. Nash, M.D.
Unclaimed ProfileAbout Dr. Nash
Joseph A. Nash, M.D. is a healthcare provider in New York, NY specializing in gastroenterology. Joseph trained at New York Medical College, graduating in 1989. According to Medicare claims data, Joseph cared for 36 Medicare patients across 47 services. The services billed most often include established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more and new patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more.
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
- (212) 734-3444
- Email not available
Practice Locations
3 E 83RD ST
New York, NY 10028
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
47 services · 36 patients · 2 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
30 | |
| New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more | Office visit | 99203 |
17 |
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 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 New York 8
Same specialty, same city.
Trained at New York Medical College 7
Other providers in the same specialty who trained at the same institution.
More connections — 8 related providers in 1 group
Class of 1989 at New York Medical College 8
Providers who graduated from the same medical school in the same year.
Common questions
What does Joseph A. Nash specialize in?
Joseph A. Nash is a gastroenterologist in New York, NY. That is the designation recorded for this NPI in the federal registry, where it is listed as “Gastroenterology”.
NPI registry
Where is Joseph A. Nash located?
Joseph A. Nash is listed at 3 E 83Rd St, New York, NY 10028. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Joseph A. Nash's phone number?
The number on file is (212) 734-3444. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Joseph A. Nash's NPI number?
Joseph A. Nash's National Provider Identifier is 1205808532. 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 Joseph A. Nash train?
Joseph A. Nash attended New York Medical College, graduating in 1989. This comes from the CMS National Downloadable File.
CMS public data
How long has Joseph A. Nash been practicing?
Joseph A. Nash has 37 years experience. Calculated from a graduation year of 1989, reported in the CMS National Downloadable File.
CMS public data
What does Joseph A. Nash do most often?
According to Medicare billing data, Joseph A. Nash the Medicare record under this individual NPI shows mainly office visits and diagnostic testing. Hospital-based physicians usually have their procedural work billed by the facility rather than under their own number, so this is a floor on their practice, not a description of it. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Joseph A. Nash confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Joseph A. Nash. 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.