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Edit this profileAt a glance
- 53 Brentwood Rd, Suite E, Bay Shore, NY 11706
About Dr. Gioia
Leonard V. Gioia, M.D. practices endocrinology, diabetes & metabolism in Bay Shore, NY. Leonard is a 1976 graduate of State University of New York Downstate Medical Center. According to Medicare claims data, Leonard cared for 4,390 Medicare patients across 7,489 services. The services billed most often include insertion of needle into vein for collection of blood sample, established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more, and blood glucose (sugar) measurement using reagent strip. The provider's National Provider Identifier (NPI) is 1710901558.
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
- (631) 666-6275
- Email not available
Practice Locations
53 BRENTWOOD RD SUITE E
Bay Shore, NY 11706
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
- Adrenal mass
- Cushing's Syndrome
- Adrenal Fatigue
- Adrenal gland tumor
Blood sugar disorders
Bone and calcium disorders
- Low Calcium
- High calcium
- Vitamin D deficiency
Bones
- Soft Bones
Pituitary
- Acromegaly
- Adult Growth Hormone Deficiency
- Underactive Pituitary Gland
Pituitary disorders
- Extreme Thirst and Urination
- High Prolactin
- Pituitary Tumor
- Short stature and growth concerns
Thyroid
- Thyroiditis
Thyroid disorders
- Graves' Disease
- Goiter
- Hashimoto's Disease
- Thyroid cancer
- Thyroid eye disease
- Thyroid nodules
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
- Fatty liver disease
- Insulin Resistance
- Unexplained Weight Gain
Parathyroid
Procedures & services
Adrenal
- 24-Hour Urine Cortisol Test
- Aldosterone and Renin Blood Test
- Urine Metanephrines Test
Adrenal evaluations
- Adrenal Gland Suppression Test
- Cortisol Testing
Blood sugar management
- Continuous Glucose Monitor Placement
- Diabetes Screening and A1C Test
- Glucose screening test
Bone evaluations
- Parathyroid Hormone Test
- Bone Density Scan Referral
Bone treatments
- Bisphosphonate Infusion for Bones
- Bone Building Injections
Diabetes
- Automated Insulin System Setup
- Blood Ketone Monitoring
- C-Peptide Test
- Continuous Glucose Monitor Data Review
- Starting Insulin Therapy
- Medical nutrition therapy
Diabetes education
- Diabetes Self-Management Education
Genetic evaluations
- Genetic Testing for Endocrine Tumors
Hormone treatments
- Growth Hormone Injections
- Hormone Replacement Therapy Consultation
- Estrogen and Progesterone Therapy
Hormones
- Gender-affirming care consultation
Metabolic evaluations
Metabolism
- Fasting Insulin Test
Parathyroid
- Parathyroid Scan
Pituitary
- Growth Hormone Stimulation Test
Pituitary evaluations
- Prolactin Blood Test
- Water Deprivation Test
Routine Blood Tests
Thyroid
- Thyroid Uptake and Scan
- Thyroid Cyst Alcohol Ablation
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
- Hormone replacement therapy
- Insulin pump management
- Thyroid ultrasound
- Weight loss management
Diabetes preventive care
Procedures Most Often Billed to Medicare
7,489 services · 4,390 patients · 11 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Insertion of needle into vein for collection of blood sample | Procedure | 36415 |
1,326 | More than most 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 |
1,160 | More than most peers in Endocrinology, Diabetes &… |
| Blood glucose (sugar) measurement using reagent strip | Lab test | 82948 |
997 | More than most peers in Endocrinology, Diabetes &… |
| Hemoglobin a1c level | Lab test | 83036 |
960 | More than most peers in Endocrinology, Diabetes &… |
| Thyroid hormone, t3 measurement, total | Lab test | 84480 |
696 | More than most peers in Endocrinology, Diabetes &… |
| Blood test, thyroid stimulating hormone (tsh) | Lab test | 84443 |
696 | More often than most peers in Endocrinology, Diabetes &… |
| Thyroxine (thyroid chemical), total | Lab test | 84436 |
694 | More often than most peers in Endocrinology, Diabetes &… |
| Thyroid hormone evaluation | Lab test | 84479 |
692 | More often than most peers in Endocrinology, Diabetes &… |
| New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more | Office visit | 99204 |
127 | More than most peers in Endocrinology, Diabetes &… |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
111 | More 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.
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.
Trained at State University of New York Downstate Medical Center 8
Other providers in the same specialty who trained at the same institution.
More connections — 16 related providers in 2 groups
Class of 1976 at State University of New York Downstate Medical Center 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 NY who bill this service to Medicare most often.
Common questions
What does Leonard V. Gioia specialize in?
Leonard V. Gioia is an endocrinologist in Bay Shore, NY. That is the designation recorded for this NPI in the federal registry, where it is listed as “Endocrinology, Diabetes & Metabolism”.
NPI registry
Where is Leonard V. Gioia located?
Leonard V. Gioia is listed at 53 Brentwood Rd Suite E, Bay Shore, NY 11706. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Leonard V. Gioia's phone number?
The number on file is (631) 666-6275. Contact the office directly to confirm availability and scheduling.
NPI registry
What is Leonard V. Gioia's NPI number?
Leonard V. Gioia's National Provider Identifier is 1710901558. 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 Leonard V. Gioia train?
Leonard V. Gioia attended State University of New York Downstate Medical Center, graduating in 1976. This comes from the CMS National Downloadable File.
CMS public data
How long has Leonard V. Gioia been practicing?
Leonard V. Gioia has 50 years experience. Calculated from a graduation year of 1976, reported in the CMS National Downloadable File.
CMS public data
What does Leonard V. Gioia do most often?
According to Medicare billing data, Leonard V. Gioia performs procedures including insertion of needle into vein for collection of blood sample, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Leonard V. Gioia confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Leonard V. Gioia. If this is you, claiming it is free.
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