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Edit this profileAt a glance
- 2570 Route 9W, Cornwall, NY 12518
About Dr. Castro
Based in Cornwall, NY, Jonathan MANUEL PEREZ Castro, MD is listed in the NPI registry under endocrinology, diabetes & metabolism. Jonathan is also listed as specializing in internal medicine. Medicare claims data shows Jonathan provided 5,341 services to 3,215 patients. 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, insertion of needle into vein for collection of blood sample, and blood test, comprehensive group of blood chemicals. NPI 1093709479 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
- (845) 651-1400
- Email not available
Practice Locations
2570 ROUTE 9W
Cornwall, NY 12518
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
- Low Blood Sugar
- Diabetic neuropathy
- Gestational diabetes
- Prediabetes
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
- Diabetes
- Hyperthyroidism
- Hypothyroidism
- Obesity
- Osteoporosis
- PCOS
- Thyroid problems
Adrenal
- Low sodium or electrolyte imbalance
Diabetes
- Dangerous high blood sugar
- Diabetic retinopathy
- Kidney disease from diabetes
Endocrine tumors
- Neuroendocrine Tumors
Hormone disorders
- Early or delayed puberty
- Excess facial or body hair
- Gynecomastia
- Perimenopause
- Testosterone deficiency
Hormones
- Absent periods
Metabolic disorders
- High cholesterol
- Metabolic syndrome
Metabolism
- Fatty liver disease
- Insulin Resistance
- Unexplained Weight Gain
Parathyroid
- Hyperparathyroidism
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
- Cholesterol and Lipid Blood Panel
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
- Weight loss medication consult
Women's health
- Hormone replacement therapy consult
Most searched procedures
- Hormone replacement therapy
- Insulin pump management
- Thyroid ultrasound
- Weight loss management
Diabetes preventive care
- Diabetic Foot Care
Procedures Most Often Billed to Medicare
5,341 services · 3,215 patients · 18 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Insertion of needle into vein for collection of blood sample | Procedure | 36415 |
666 | More 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 |
76 | 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 |
833 | More than most peers in Endocrinology, Diabetes &… |
| Blood test, comprehensive group of blood chemicals | Lab test | 80053 |
533 | More often than most peers in Endocrinology, Diabetes &… |
| Blood test, thyroid stimulating hormone (tsh) | Lab test | 84443 |
410 | More often than most peers in Endocrinology, Diabetes &… |
| Thyroxine (thyroid chemical), free | Lab test | 84439 |
405 | More often than most peers in Endocrinology, Diabetes &… |
| Hemoglobin a1c level | Lab test | 83036 |
397 | More often than most peers in Endocrinology, Diabetes &… |
| Thyroid hormone, t3 measurement, free | Lab test | 84481 |
367 | More often than most peers in Endocrinology, Diabetes &… |
| Blood test, lipids (cholesterol and triglycerides) | Lab test | 80061 |
357 | More often 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 |
270 | More 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 2
Clinically related specialties at the same address — the people this provider most likely works alongside.
Also at this address 1
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
More connections — 16 related providers in 2 groups
Class of 1996 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 NY who bill this service to Medicare most often.
Common questions
What does Dr. Castro specialize in?
Dr. Castro is an endocrinologist in Cornwall, 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 Dr. Castro located?
Dr. Castro is listed at 2570 Route 9W, Cornwall, NY 12518. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Dr. Castro's phone number?
The number on file is (845) 651-1400. Contact the office directly to confirm availability and scheduling.
NPI registry
What is the NPI for Dr. Castro?
Dr. Castro's National Provider Identifier is 1093709479. 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 Dr. Castro go to medical school?
Dr. Castro attended Other, graduating in 1996. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Dr. Castro have?
Dr. Castro has 30 years experience. Calculated from a graduation year of 1996, reported in the CMS National Downloadable File.
CMS public data
What does Dr. Castro do most often?
According to Medicare billing data, Dr. Castro 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 Dr. Castro's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Castro. If this is you, claiming it is free.
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