Are you Robert Walker, M.D.? This profile is yours to edit: update your address, phone, photo and services.
Edit this profileWhere to find Robert Walker, M.D.
- Middletown location main office
95 Crystal Run Rd, Middletown, NY 10941 - Yuma location
1390 W 16th St, Yuma, AZ 85364
About Dr. Walker
Robert Walker, M.D. practices gastroenterology in Middletown, NY. Robert is a 1989 graduate of New York Medical College. Medicare claims data shows Robert provided 456 services to 410 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, subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes, and initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes. The provider's National Provider Identifier (NPI) is 1396727129.
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
- (845) 703-6999
- Email not available
Practice Locations
95 CRYSTAL RUN RD
Middletown, NY 10941
1390 W 16th St
Yuma, AZ 85364
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
456 services · 410 patients · 9 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | Procedure | 43239 |
44 | As often as other peers in Gastroenterology |
| Biopsy of large bowel using a flexible endoscope | Procedure | 45380 |
12 | 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 |
177 | More 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 |
56 | As often as other peers in Gastroenterology |
| Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | Office visit | 99222 |
49 | 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 |
49 | 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 |
43 | As often as other 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 |
14 | Less often than most peers in Gastroenterology |
| Telephone medical discussion with physician, 11-20 minutes | Office visit | 99442 |
12 | 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.
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 Middletown 7
Same specialty, same city.
More connections — 24 related providers in 3 groups
Trained at New York Medical College 8
Other providers in the same specialty who trained at the same institution.
Class of 1989 at New York Medical College 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 kind of doctor is Robert Walker?
Robert Walker is a gastroenterologist in Middletown, NY. That is the designation recorded for this NPI in the federal registry, where it is listed as “Gastroenterology”.
NPI registry
What is Robert Walker's address?
Robert Walker is listed at 95 Crystal Run Rd, Middletown, NY 10941. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with Robert Walker?
The number on file is (845) 703-6999. Contact the office directly to confirm availability and scheduling.
NPI registry
What is the NPI for Robert Walker?
Robert Walker's National Provider Identifier is 1396727129. 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 Robert Walker train?
Robert Walker attended New York Medical College, graduating in 1989. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Robert Walker have?
Robert Walker has 37 years experience. Calculated from a graduation year of 1989, reported in the CMS National Downloadable File.
CMS public data
What procedures does Robert Walker perform?
According to Medicare billing data, Robert Walker 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, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Robert Walker's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Robert Walker. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.