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Edit this profileAt a glance
- 55 Fruit St Rm 940K, Boston, MA 02114
About Aaron Leong
Aaron SI ARN RANBADUGE Leong is a healthcare provider in Boston, MA specializing in endocrinology, diabetes & metabolism. Aaron is also listed as specializing in student in an organized health care education program and internal medicine. Medicare claims data shows Aaron provided 348 services to 293 patients. The services billed most often include established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more, subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes, and established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more. This provider record is associated with NPI 1770939381.
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
- (617) 724-3203
- Email not available
Is this your home address or personal number? Hide it
Practice Locations
55 FRUIT ST RM 940K
Boston, MA 02114
Conditions Commonly Evaluated or Treated
Within Endocrinology, Diabetes and Metabolism 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
Adrenal disorders
Blood sugar disorders
Bone and calcium disorders
Bones
Pituitary
Pituitary disorders
Thyroid
Thyroid disorders
Most searched conditions
Adrenal
Diabetes
Endocrine tumors
Hormone disorders
- Early or delayed puberty
- Excess facial or body hair
- Gynecomastia
- Perimenopause
- Testosterone deficiency
Hormones
Metabolic disorders
Metabolism
Parathyroid
Procedures & services
Adrenal
Adrenal evaluations
Blood sugar management
Bone evaluations
Bone treatments
Diabetes
- Automated Insulin System Setup
- Blood Ketone Monitoring
- C-Peptide Test
- Continuous Glucose Monitor Data Review
- Starting Insulin Therapy
- Medical nutrition therapy
Diabetes education
Genetic evaluations
Hormone treatments
- Growth Hormone Injections
- Hormone Replacement Therapy Consultation
- Estrogen and Progesterone Therapy
Hormones
Metabolic evaluations
Metabolism
Parathyroid
Pituitary
Pituitary evaluations
Routine Blood Tests
Thyroid
Thyroid procedures
- Thyroid Antibody Testing
- Thyroid Medication Adjustment
- Radioactive Iodine Treatment
- Thyroid Blood Test
- Thyroid Nodule Biopsy
- Thyroid Nodule Radiofrequency Ablation
Weight & Metabolism
Women's health
Most searched procedures
Diabetes preventive care
Procedures Most Often Billed to Medicare
348 services · 293 patients · 12 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Insertion of needle into vein for collection of blood sample | Procedure | 36415 |
18 | Less often than most peers in Endocrinology, Diabetes &… |
| Continuous monitoring of blood sugar level in tissue fluid using sensor under skin with interpretation and report | Treatment | 95251 |
22 | Less often than most peers in Endocrinology, Diabetes &… |
| Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more | Office visit | 99215 |
66 | More often than most peers in Endocrinology, Diabetes &… |
| Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | Office visit | 99232 |
47 | As often as other peers in Endocrinology, Diabetes &… |
| Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more | Office visit | 99215 |
42 | More often than most peers in Endocrinology, Diabetes &… |
| Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes | Office visit | 99231 |
37 | As often as other peers in Endocrinology, Diabetes &… |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
29 | Less often than most peers in Endocrinology, Diabetes &… |
| 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 |
24 | Less often than most peers in Endocrinology, Diabetes &… |
| 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 |
20 | Less often than most peers in Endocrinology, Diabetes &… |
| Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | Office visit | 99222 |
15 | Less often than most peers in Endocrinology, Diabetes &… |
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 endocrinologists in Boston 8
Same specialty, same city.
More connections — 24 related providers in 3 groups
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
Class of 2007 at Other 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 8
Providers in MA who bill this service to Medicare most often.
Common questions
What is Aaron SI ARN RANBADUGE Leong's specialty?
Aaron SI ARN RANBADUGE Leong is an endocrinologist in Boston, MA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Endocrinology, Diabetes & Metabolism”.
NPI registry
Where can I find Aaron SI ARN RANBADUGE Leong?
Aaron SI ARN RANBADUGE Leong is listed at 55 Fruit St Rm 940K, Boston, MA 02114. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Aaron SI ARN RANBADUGE Leong?
The number on file is (617) 724-3203. Contact the office directly to confirm availability and scheduling.
NPI registry
What is the NPI for Aaron SI ARN RANBADUGE Leong?
Aaron SI ARN RANBADUGE Leong's National Provider Identifier is 1770939381. 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 Aaron SI ARN RANBADUGE Leong's education?
Aaron SI ARN RANBADUGE Leong attended Other, graduating in 2007. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Aaron SI ARN RANBADUGE Leong have?
Aaron SI ARN RANBADUGE Leong has 19 years experience. Calculated from a graduation year of 2007, reported in the CMS National Downloadable File.
CMS public data
What is Aaron SI ARN RANBADUGE Leong known for?
According to Medicare billing data, Aaron SI ARN RANBADUGE Leong performs procedures including insertion of needle into vein for collection of blood sample; provides treatments such as continuous monitoring of blood sugar level in tissue fluid using sensor under skin with interpretation and report, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Aaron SI ARN RANBADUGE Leong's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Aaron SI ARN RANBADUGE Leong. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.