Physician Profile
Unclaimed ProfileAbout ALLY
Based in Oceanside, CA, Mazer Ricky Ally, M.D. is listed in the NPI registry under gastroenterology. Mazer graduated from George Washington University School of Medicine in 2006.
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
Common questions
What is Dr. Ally's specialty?
Dr. Ally is a gastroenterology in Oceanside, CA. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “GASTROENTEROLOGY”.
NPI registry
Where can I find Dr. Ally?
Dr. Ally is listed at 2205 VISTA WAY STE 340, Oceanside, CA 92054. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Dr. Ally?
The number on file is (760) 704-5870. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Dr. Ally's NPI number?
Dr. Ally's National Provider Identifier is 1902018666. 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. Ally's medical education?
Dr. Ally attended George Washington University School of Medicine, graduating in 2006. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Ally been practising?
Dr. Ally has 20 years experience. Calculated from a graduation year of 2006, reported in the CMS National Downloadable File.
CMS public data
What is Dr. Ally known for?
According to Medicare billing data, Dr. Ally performs procedures including biopsy of large bowel using a flexible endoscope, removal of polyps or growths of large bowel using an endoscope with mechanical snare and biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope; provides treatments such as routine electrocardiogram using at least 12 leads with tracing and administration of chemotherapy into vein, 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. Ally confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Ally. If this is you, claiming it is free.
Guide.md
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (760) 704-5870
- Email not available
Practice Locations
2205 VISTA WAY STE 340
Oceanside, CA 92054
Procedures Most Often Billed to Medicare
1,410 services · 1,189 patients · 18 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Biopsy of large bowel using a flexible endoscope | Procedure | 45380 |
131 |
| Removal of polyps or growths of large bowel using an endoscope with mechanical snare | Procedure | 45385 |
112 |
| Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | Procedure | 43239 |
108 |
| Balloon dilation of esophagus, stomach, and/or upper small bowel using a flexible endoscope, less than 3.0 cm | Procedure | 43249 |
25 |
| Diagnostic exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope | Procedure | 43235 |
13 |
| Collection of blood sample from implanted device | Procedure | 36591 |
12 |
| Routine electrocardiogram (ecg) using at least 12 leads with tracing | Treatment | 93005 |
35 |
| Administration of chemotherapy into vein, 1 hour or less | Treatment | 96413 |
28 |
| Infusion into a vein for therapy, prevention, or diagnosis, 1 hour or less | Treatment | 96365 |
12 |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
254 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
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Claim this profileRelated 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 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 gastroenterology specialists in Oceanside 7
Same specialty, same city.
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 2006 at George Washington University School of Medicine 8
Providers who graduated from the same medical school in the same year.
Also performs Biopsy of large bowel using a flexible endoscope 8
Providers in CA who bill this service to Medicare most often.
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.