Are you Robert T. Isom, M.D.? This profile is yours to edit: update your address, phone, photo and services.
Edit this profileAt a glance
- 1600 Congress St Ste B, Portland, ME 04102
About Dr. Isom
Based in Portland, ME, Robert T. Isom, M.D. is listed in the NPI registry under nephrology. Robert graduated from Columbia University College of Physicians and Surgeons in 1997. According to Medicare claims data, Robert cared for 1,026 Medicare patients across 3,887 services. The services billed most often include injection, epoetin alfa, (for non-esrd use), 1000 units, established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more, and established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more. NPI 1356428072 identifies this record in the national registry.
Factual summary compiled by Guide.md from public records; not written by this provider.
Education & Training
Specialty
Credentials & Licensing
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
- (207) 774-5222
- Email not available
Practice Locations
1600 CONGRESS ST STE B
Portland, ME 04102
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
3,887 services · 1,026 patients · 18 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Insertion of needle into vein for collection of blood sample | Procedure | 36415 |
128 | As often as other peers in Nephrology |
| Complete ultrasound scan behind abdominal cavity | Imaging | 76770 |
63 | More often than most peers in Nephrology |
| Injection of drug or substance under skin or into muscle | Treatment | 96372 |
148 | More often than most peers in Nephrology |
| Dialysis services, 4 or more physician visits per month (20 years or older) | Treatment | 90960 |
50 | Less often than most peers in Nephrology |
| Influenza vaccine split virus, preservative free | Treatment | 90662 |
32 | As often as other peers in Nephrology |
| Injection, epoetin alfa, (for non-esrd use), 1000 units | Drug given | J0885 |
2,290 | More often than most peers in Nephrology |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
491 | More 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 |
245 | More often than most peers in Nephrology |
| New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more | Office visit | 99204 |
122 | More than most peers in Nephrology |
| Kidney function blood test panel | Lab test | 80069 |
70 | Less often than most 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.
Other kidney 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 kidney specialists in Portland 6
Same specialty, same city.
More connections — 17 related providers in 3 groups
Trained at Columbia University College of Physicians and Surgeons 8
Other providers in the same specialty who trained at the same institution.
Class of 1997 at Columbia University College of Physicians and Surgeons 8
Providers who graduated from the same medical school in the same year.
Also performs Insertion of needle into vein for collection of blood sample 1
Providers in ME who bill this service to Medicare most often.
Common questions
What kind of doctor is Robert T. Isom?
Robert T. Isom is a kidney specialist in Portland, ME. That is the designation recorded for this NPI in the federal registry, where it is listed as “Nephrology”.
NPI registry
What is Robert T. Isom's address?
Robert T. Isom is listed at 1600 Congress St Ste B, Portland, ME 04102. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with Robert T. Isom?
The number on file is (207) 774-5222. Contact the office directly to confirm availability and scheduling.
NPI registry
What is Robert T. Isom's NPI number?
Robert T. Isom's National Provider Identifier is 1356428072. 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 Robert T. Isom train?
Robert T. Isom attended Columbia University College of Physicians and Surgeons, graduating in 1997. This comes from the CMS National Downloadable File.
CMS public data
How long has Robert T. Isom been practicing?
Robert T. Isom has 29 years experience. Calculated from a graduation year of 1997, reported in the CMS National Downloadable File.
CMS public data
What procedures does Robert T. Isom perform?
According to Medicare billing data, Robert T. Isom performs procedures including insertion of needle into vein for collection of blood sample; reads or performs imaging such as complete ultrasound scan behind abdominal cavity; provides treatments such as injection of drug or substance under skin or into muscle and dialysis services, 4 or more physician visits per month, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Robert T. Isom confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Robert T. Isom. If this is you, claiming it is free.
Guide.md
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