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Edit this profileAt a glance
- 171 Delancey St, New York, NY 10002
About Dr. Walfish
Based in New York, NY, Jacob Walfish, M.D. is listed in the NPI registry under gastroenterology. Jacob graduated from Harvard Medical School in 1974. Jacob is also listed as specializing in internal medicine. Medicare claims data shows Jacob provided 1,410 services to 1,070 patients. The services billed most often include insertion of needle into vein for collection of blood sample, established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more, and established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more. NPI 1194763011 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
- (929) 455-2600
- Email not available
Is this your home address or personal number? Hide it
Practice Locations
171 DELANCEY ST
New York, NY 10002
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
1,410 services · 1,070 patients · 11 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Insertion of needle into vein for collection of blood sample | Procedure | 36415 |
438 | More often than most peers in Gastroenterology |
| Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report | Treatment | 93000 |
92 | More often than most peers in Gastroenterology |
| Influenza vaccine split virus, preservative free | Treatment | 90662 |
67 | More often than most peers in Gastroenterology |
| Pneumococcal conjugate vaccine, 20 valent (pcv20), for intramuscular use | Treatment | 90677 |
27 | More 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 |
270 | More often than most peers in Gastroenterology |
| Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more | Office visit | 99212 |
188 | More than most peers in Gastroenterology |
| Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | Billing code | G0439 |
162 | More often than most peers in Gastroenterology |
| Administration of influenza virus vaccine | Billing code | G0008 |
72 | 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 |
52 | As often as other peers in Gastroenterology |
| Administration of pneumococcal vaccine | Billing code | G0009 |
27 | More 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.
Related specialists at this location 3
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.
Other gastroenterologists in New York 8
Same specialty, same city.
More connections — 24 related providers in 3 groups
Trained at Harvard Medical School 8
Other providers in the same specialty who trained at the same institution.
Class of 1974 at Harvard Medical School 8
Providers who graduated from the same medical school in the same year.
Also performs Insertion of needle into vein for collection of blood sample 8
Providers in NY who bill this service to Medicare most often.
Common questions
What is Jacob Walfish's specialty?
Jacob Walfish 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 can I find Jacob Walfish?
Jacob Walfish is listed at 171 Delancey St, New York, NY 10002. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Jacob Walfish?
The number on file is (929) 455-2600. Contact the office directly to confirm availability and scheduling.
NPI registry
What is the NPI for Jacob Walfish?
Jacob Walfish's National Provider Identifier is 1194763011. 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 Jacob Walfish's education?
Jacob Walfish attended Harvard Medical School, graduating in 1974. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Jacob Walfish have?
Jacob Walfish has 52 years experience. Calculated from a graduation year of 1974, reported in the CMS National Downloadable File.
CMS public data
What is Jacob Walfish known for?
According to Medicare billing data, Jacob Walfish performs procedures including insertion of needle into vein for collection of blood sample; provides treatments such as routine electrocardiogram using at least 12 leads with interpretation and report and influenza vaccine split virus, preservative free, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Jacob Walfish's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Jacob Walfish. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.