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Edit this profileAt a glance
- 200 1St St Sw, Rochester, MN 55905
About Dr. Castro
Based in Rochester, MN, Maria R. Castro, M.D. is listed in the NPI registry under endocrinology, diabetes & metabolism. Medicare claims data shows Maria provided 144 services to 141 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, fine needle aspiration biopsy using ultrasound guidance, first growth, and new patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more. NPI 1598741589 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
- (507) 284-2511
- Email not available
Is this your home address or personal number? Hide it
Practice Locations
200 1ST ST SW
Rochester, MN 55905
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
144 services · 141 patients · 5 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Fine needle aspiration biopsy using ultrasound guidance, first growth | Procedure | 10005 |
38 | More often 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 |
52 | Less often than most peers in Endocrinology, Diabetes &… |
| 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 |
26 | 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 |
15 | Less 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 |
13 | 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.
Other endocrinologists at this location 1
Same specialty, same street address — most likely the same department or group.
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 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
More connections — 26 related providers in 4 groups
Other endocrinologists in Rochester 7
Same specialty, same city.
Trained at Other 7
Other providers in the same specialty who trained at the same institution.
Class of 1987 at Other 8
Providers who graduated from the same medical school in the same year.
Also performs Fine needle aspiration biopsy using ultrasound guidance, first growth 4
Providers in MN who bill this service to Medicare most often.
Common questions
What is Maria R. Castro's specialty?
Maria R. Castro is an endocrinologist in Rochester, MN. 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 Maria R. Castro?
Maria R. Castro is listed at 200 1St St Sw, Rochester, MN 55905. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Maria R. Castro?
The number on file is (507) 284-2511. Contact the office directly to confirm availability and scheduling.
NPI registry
What is the NPI for Maria R. Castro?
Maria R. Castro's National Provider Identifier is 1598741589. 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 Maria R. Castro's education?
Maria R. Castro attended Other, graduating in 1987. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Maria R. Castro have?
Maria R. Castro has 39 years experience. Calculated from a graduation year of 1987, reported in the CMS National Downloadable File.
CMS public data
What is Maria R. Castro known for?
According to Medicare billing data, Maria R. Castro performs procedures including fine needle aspiration biopsy using ultrasound guidance, first growth, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Maria R. Castro's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Maria R. Castro. If this is you, claiming it is free.
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