Physician Profile
Based in Plymouth, MA, James M. Koomey, M.D. is listed in the NPI registry under medical oncology. According to Medicare claims data, James cared for 720 Medicare patients across 1,275 services. The services billed most often include established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more, established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more, and established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
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.
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
275 SANDWICH ST C/O CATHY GREY
Plymouth, MA 02360
Within Medical Oncology generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Most searched conditions
Abdominal cancer
Blood cancer
Blood disorders
Cancer complications
Chest cancer
Complications
Digestive cancer
Digestive cancers
Endocrine cancer
Endocrine cancers
Eye cancer
General oncology
Genetic risk
Gynecologic cancer
Gynecologic cancers
Head and neck
Head and neck cancer
Metastatic cancer
Metastatic disease
Neurologic cancers
Sarcomas
Skin cancer
Symptom evaluation
Thoracic cancers
Treatment side effects
Urologic cancer
Urologic cancers
Most searched procedures
Cancer treatment care
Complication management
Consultations
Diagnostic testing
Diagnostics
Infusions
Injections
Medication management
Patient education
Port and line care
Procedures
Specialized treatments
Specialty treatments
Supportive care
Treatment side effects
Vascular access
1,275 services · 720 patients · 9 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Biopsy and aspiration of bone marrow sample for diagnosis | Procedure | 38222 |
11 | |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
602 | More often than most peers in Medical Oncology |
| Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more | Office visit | 99215 |
234 | More often than most peers in Medical Oncology |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
176 | More often than most peers in Medical Oncology |
| Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient' | Billing code | G2211 |
167 | As often as other peers in Medical Oncology |
| New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more | Office visit | 99205 |
44 | More often than most peers in Medical Oncology |
| Prolonged office or other outpatient evaluation and management service(s) beyond the maximum required time of the primary procedure which has been selected using total time on the date of the primary service; each additional 15 minutes by the physician or | Billing code | G2212 |
16 | |
| Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | Office visit | 99222 |
13 | |
| Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | Office visit | 99223 |
12 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
James M. Koomey is an oncologist in Plymouth, MA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Medical Oncology”.
NPI registry
James M. Koomey is listed at 275 Sandwich St C/O Cathy Grey, Plymouth, MA 02360. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (508) 830-2390. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
James M. Koomey's National Provider Identifier is 1477531358. 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
James M. Koomey attended Other, graduating in 1995. This comes from the CMS National Downloadable File.
CMS public data
James M. Koomey has 31 years experience. Calculated from a graduation year of 1995, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, James M. Koomey performs procedures including biopsy and aspiration of bone marrow sample for diagnosis, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Not yet. This profile is built from public federal data and has not been confirmed by James M. Koomey. 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.