Physician Profile
Unclaimed ProfileAbout MENDELSON
Aaron Mendelson, M.D. practices gastroenterology in Allentown, PA. Aaron is a 2012 graduate of Jefferson Medical College of Thomas Jefferson University. According to Medicare claims data, Aaron cared for 765 Medicare patients across 6,533 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
- (610) 821-2828
- Email not available
Practice Locations
1501 N CEDAR CREST BLVD STE 110
Allentown, PA 18104
Procedures Most Often Billed to Medicare
6,533 services · 765 patients · 16 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | Procedure | 43239 |
108 |
| Removal of polyps or growths of large bowel using an endoscope with mechanical snare | Procedure | 45385 |
84 |
| Biopsy of large bowel using a flexible endoscope | Procedure | 45380 |
64 |
| Diagnostic exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope | Procedure | 43235 |
14 |
| Diagnostic exam of large bowel using a flexible endoscope | Procedure | 45378 |
12 |
| Infusion into a vein for therapy, prevention, or diagnosis, 1 hour or less | Treatment | 96365 |
25 |
| Injection, vedolizumab, intravenous, 1 mg | Drug given | J3380 |
5,700 |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
113 |
| Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | Office visit | 99232 |
106 |
| Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | Office visit | 99222 |
93 |
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 gastroenterology specialists at this location 8
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 gastroenterology specialists in Allentown 5
Same specialty, same city.
More connections — 23 related providers in 3 groups
Trained at Jefferson Medical College of Thomas Jefferson University 7
Other providers in the same specialty who trained at the same institution.
Class of 2012 at Jefferson Medical College of Thomas Jefferson University 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 PA who bill this service to Medicare most often.
Common questions
What does Dr. Mendelson specialize in?
Dr. Mendelson is a gastroenterology in Allentown, PA. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “GASTROENTEROLOGY”.
NPI registry
Where is Dr. Mendelson located?
Dr. Mendelson is listed at 1501 N CEDAR CREST BLVD STE 110, Allentown, PA 18104. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Dr. Mendelson's phone number?
The number on file is (610) 821-2828. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Dr. Mendelson's NPI number?
Dr. Mendelson's National Provider Identifier is 1235499898. 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 Dr. Mendelson go to medical school?
Dr. Mendelson attended Jefferson Medical College of Thomas Jefferson University, graduating in 2012. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Mendelson been practicing?
Dr. Mendelson has 14 years experience. Calculated from a graduation year of 2012, reported in the CMS National Downloadable File.
CMS public data
What does Dr. Mendelson do most often?
According to Medicare billing data, Dr. Mendelson performs procedures including biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope, removal of polyps or growths of large bowel using an endoscope with mechanical snare and biopsy of large bowel using a flexible endoscope; provides treatments such as infusion into a vein for therapy, prevention, or diagnosis, 1 hour or less, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Dr. Mendelson confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Mendelson. 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.