Physician Profile
Unclaimed ProfileAbout VANNEMAN
William Moore Vanneman, M.D. is a healthcare provider in Winchester, MA specializing in gastroenterology. William trained at Albany Medical College of Union University, graduating in 1970. According to Medicare claims data, William cared for 190 Medicare patients across 200 services.
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
Areas of Expertise
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (781) 729-5855
- Email not available
Practice Locations
955 MAIN ST
Winchester, MA 01890
Procedures Most Often Billed to Medicare
200 services · 190 patients · 9 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Diagnostic exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope | Procedure | 43235 |
31 |
| Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | Procedure | 43239 |
17 |
| Biopsy of large bowel using a flexible endoscope | Procedure | 45380 |
16 |
| Diagnostic exam of lower portion of large bowel using a flexible endoscope | Procedure | 45330 |
15 |
| Removal of polyps or growths of large bowel using an endoscope with mechanical snare | Procedure | 45385 |
11 |
| Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | Office visit | 99222 |
49 |
| Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | Office visit | 99232 |
32 |
| Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes | Office visit | 99231 |
16 |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
13 |
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 1
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 gastroenterology specialists in Winchester 2
Same specialty, same city.
More connections — 20 related providers in 3 groups
Trained at Albany Medical College of Union University 8
Other providers in the same specialty who trained at the same institution.
Class of 1970 at Albany Medical College of Union University 4
Providers who graduated from the same medical school in the same year.
Also performs Diagnostic exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope 8
Providers in MA who bill this service to Medicare most often.
Common questions
What is Dr. Vanneman's specialty?
Dr. Vanneman is a gastroenterology in Winchester, MA. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “GASTROENTEROLOGY”.
NPI registry
Where can I find Dr. Vanneman?
Dr. Vanneman is listed at 955 MAIN ST, Winchester, MA 01890. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Dr. Vanneman?
The number on file is (781) 729-5855. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Dr. Vanneman's NPI number?
Dr. Vanneman's National Provider Identifier is 1124075718. 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 Dr. Vanneman's medical education?
Dr. Vanneman attended Albany Medical College of Union University, graduating in 1970. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Vanneman been practicing?
Dr. Vanneman has 56 years experience. Calculated from a graduation year of 1970, reported in the CMS National Downloadable File.
CMS public data
What is Dr. Vanneman known for?
According to Medicare billing data, Dr. Vanneman performs procedures including diagnostic exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope, 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
Has Dr. Vanneman confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Vanneman. If this is you, claiming it is free.
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Claim this profileProvider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.