Provider Profile
Gearoid M. McMahon, MB BCH BAO
Unclaimed ProfileAbout Gearoid Mcmahon
Gearoid M. McMahon, MB BCH BAO is a healthcare provider in Boston, MA specializing in nephrology. According to Medicare claims data, Gearoid cared for 591 Medicare patients across 1,353 services. The services billed most often include subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes, subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes, and dialysis procedure including 1 evaluation.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it — free, and no identity document with a practice or institutional email.
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
- (617) 732-5500
- Email not available
Practice Locations
75 FRANCIS ST MRB4
Boston, MA 02115
Conditions Commonly Evaluated or Treated
Within Nephrology 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-base disorders
Anatomical conditions
Autoimmune conditions
Blood disorders
Blood pressure
Cysts and growths
Diabetes complications
Dialysis complications
Electrolyte disorders
Fluid retention
Genetic disorders
Hormone disorders
Infections
Inflammatory conditions
Kidney damage
Kidney failure
Kidney filter diseases
Lab abnormalities
Metabolic disorders
Multi-organ conditions
Structural kidney issues
Symptoms
Urine abnormalities
Urine symptoms
Vascular conditions
Vascular kidney issues
Procedures & services
Most searched procedures
Consultations
Diagnostic tests
Diagnostics
Dialysis
Dialysis access
- Dialysis Access Physical Exam
- Dialysis Catheter Removal
- Dialysis Fistula Repair
- Temporary Dialysis Line Placement
Diet and nutrition
Imaging
Infusions
Interventional procedures
Lab tests
- 24-hour urine test
- Comprehensive Metabolic Panel
- Kidney Function Blood Test
- Parathyroid hormone monitoring
- Urine protein check
- Urine sediment test
Medication management
- Active Vitamin D Therapy
- Resistant Blood Pressure Medication Adjustment
- Steroid Therapy For Kidney Inflammation
Medication therapy
- Acid reducer treatment for kidneys
- Phosphate binder therapy
- Potassium lowering treatment
- Red blood cell booster injections
- Water pill adjustment
Patient education
Prevention
Procedures
Specialized therapies
Supportive care
Surgical procedures
Transplant care
Vascular access
Procedures Most Often Billed to Medicare
1,353 services · 591 patients · 12 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Needle biopsy of kidney | Procedure | 50200 |
14 | Less often than most peers in Nephrology |
| Insertion of non-tunneled central venous tube for infusion (5 years or older) | Procedure | 36556 |
12 | Less often than most peers in Nephrology |
| Ultrasonic guidance for blood vessel access | Imaging | 76937 |
12 | Less often than most peers in Nephrology |
| Dialysis procedure including 1 evaluation | Treatment | 90945 |
194 | More than most peers in Nephrology |
| Hemodialysis procedure with physician evaluation | Treatment | 90935 |
62 | As often as other peers in Nephrology |
| Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | Office visit | 99232 |
471 | More often than most peers in Nephrology |
| Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | Office visit | 99233 |
327 | More often than most peers in Nephrology |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
121 | As often as other peers in Nephrology |
| Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | Office visit | 99223 |
78 | More often than most peers in Nephrology |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
25 | As often as other peers in Nephrology |
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 kidney specialists in Boston 8
Same specialty, same city.
More connections — 23 related providers in 3 groups
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
Class of 1999 at Other 7
Providers who graduated from the same medical school in the same year.
Also performs Needle biopsy of kidney 8
Providers in MA who bill this service to Medicare most often.
Common questions
What kind of doctor is Gearoid M. McMahon?
Gearoid M. McMahon is a kidney specialist in Boston, MA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Nephrology”.
NPI registry
What is Gearoid M. McMahon's address?
Gearoid M. McMahon is listed at 75 Francis St Mrb4, Boston, MA 02115. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with Gearoid M. McMahon?
The number on file is (617) 732-5500. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Gearoid M. McMahon's NPI number?
Gearoid M. McMahon's National Provider Identifier is 1992025274. 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 Gearoid M. McMahon train?
Gearoid M. McMahon attended Other, graduating in 1999. This comes from the CMS National Downloadable File.
CMS public data
How long has Gearoid M. McMahon been practicing?
Gearoid M. McMahon has 27 years experience. Calculated from a graduation year of 1999, reported in the CMS National Downloadable File.
CMS public data
What procedures does Gearoid M. McMahon perform?
According to Medicare billing data, Gearoid M. McMahon performs procedures including needle biopsy of kidney and insertion of non-tunneled central venous tube for infusion; reads or performs imaging such as ultrasonic guidance for blood vessel access; provides treatments such as dialysis procedure including 1 evaluation and hemodialysis procedure with physician evaluation, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Gearoid M. McMahon confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Gearoid M. McMahon. 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.