Physician Profile
Gregory J. Gallina, M.D.
Unclaimed ProfileAbout Dr. Gallina
Gregory J. Gallina, M.D. practices colon & rectal surgery in Maywood, NJ. Gregory is a 1992 graduate of George Washington University School of Medicine. Gregory is also listed as specializing in surgery. According to Medicare claims data, Gregory cared for 514 Medicare patients across 684 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, diagnostic exam of anus using an endoscope, and biopsy of large bowel using a flexible endoscope.
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
- (201) 525-1031
- Email not available
Practice Locations
255 W SPRING VALLEY AVE # 103
Maywood, NJ 07607
Procedures Most Often Billed to Medicare
684 services · 514 patients · 10 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Diagnostic exam of anus using an endoscope | Procedure | 46600 |
116 | More than most peers in Colon & Rectal Surgery |
| Biopsy of large bowel using a flexible endoscope | Procedure | 45380 |
81 | More than most peers in Colon & Rectal Surgery |
| Removal of external hemorrhoids by rubber banding | Procedure | 46221 |
54 | More often than most peers in Colon & Rectal Surgery |
| Removal of polyps or growths of large bowel using an endoscope with mechanical snare | Procedure | 45385 |
42 | More often than most peers in Colon & Rectal Surgery |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
212 | More than most peers in Colon & Rectal Surgery |
| New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more | Office visit | 99203 |
72 | More often than most peers in Colon & Rectal Surgery |
| Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | Office visit | 99232 |
59 | More often than most peers in Colon & Rectal Surgery |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
21 | Less often than most peers in Colon & Rectal Surgery |
| New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more | Office visit | 99204 |
14 | Less often than most peers in Colon & Rectal Surgery |
| Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | Office visit | 99223 |
13 | Less often than most peers in Colon & Rectal Surgery |
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 colorectal surgeons at this location 1
Same specialty, same street address — most likely the same department or group.
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.
More connections — 24 related providers in 3 groups
Trained at George Washington University School of Medicine 8
Other providers in the same specialty who trained at the same institution.
Class of 1992 at George Washington University School of Medicine 8
Providers who graduated from the same medical school in the same year.
Also performs Diagnostic exam of anus using an endoscope 8
Providers in NJ who bill this service to Medicare most often.
Common questions
What kind of doctor is Gregory J. Gallina?
Gregory J. Gallina is a colorectal surgeon in Maywood, NJ. That is the designation recorded for this NPI in the federal registry, where it is listed as “Colon & Rectal Surgery”.
NPI registry
What is Gregory J. Gallina's address?
Gregory J. Gallina is listed at 255 W Spring Valley Ave # 103, Maywood, NJ 07607. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with Gregory J. Gallina?
The number on file is (201) 525-1031. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Gregory J. Gallina's NPI number?
Gregory J. Gallina's National Provider Identifier is 1356437198. 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 Gregory J. Gallina train?
Gregory J. Gallina attended George Washington University School of Medicine, graduating in 1992. This comes from the CMS National Downloadable File.
CMS public data
How long has Gregory J. Gallina been practicing?
Gregory J. Gallina has 34 years experience. Calculated from a graduation year of 1992, reported in the CMS National Downloadable File.
CMS public data
What procedures does Gregory J. Gallina perform?
According to Medicare billing data, Gregory J. Gallina performs procedures including diagnostic exam of anus using an endoscope, biopsy of large bowel using a flexible endoscope and removal of external hemorrhoids by rubber banding, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Gregory J. Gallina confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Gregory J. Gallina. 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.