Physician Profile
Carlos M. Martinez Rivera, MD
Unclaimed ProfileAbout Dr. Martinez Rivera
Carlos M. Martinez Rivera, MD practices endocrinology in Mayaguez, PR. Carlos is a 1991 graduate of Ponce School of Medicine. Carlos is also listed as specializing in endocrinology, diabetes & metabolism. According to Medicare claims data, Carlos cared for 103 Medicare patients across 210 services. The services billed most often include established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more and continuous monitoring of blood sugar level in tissue fluid using sensor under skin with interpretation and report. The provider's National Provider Identifier (NPI) is 1356330310.
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
- (787) 805-0595
- Email not available
Practice Locations
27 CALLE NELSON PEREA STE 204, DOCTOR'S CENTER
Mayaguez, PR 00680
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
Most searched conditions
- Diabetes
- Hyperthyroidism
- Hypothyroidism
- Obesity
- Osteoporosis
- PCOS
- Thyroid problems
Adrenal
Adrenal disorders
- Adrenal Fatigue
- Adrenal gland tumor
- Adrenal mass
- Cushing's Syndrome
Blood sugar disorders
- Diabetic neuropathy
- Gestational diabetes
- Low Blood Sugar
- Prediabetes
Bone and calcium disorders
- High calcium
- Low Calcium
- Vitamin D deficiency
Bones
- Soft Bones
Diabetes
- Dangerous high blood sugar
- Diabetic retinopathy
- Kidney disease from diabetes
Endocrine tumors
Hormone disorders
- Early or delayed puberty
- Excess facial or body hair
- Gynecomastia
- Perimenopause
- Testosterone deficiency
Hormones
Metabolic disorders
Metabolism
Parathyroid
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
- Goiter
- Graves' Disease
- Hashimoto's Disease
- Thyroid cancer
- Thyroid eye disease
- Thyroid nodules
Procedures & services
Most searched procedures
- Hormone replacement therapy
- Insulin pump management
- Thyroid ultrasound
- Weight loss management
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
- Bone Density Scan Referral
- Parathyroid Hormone Test
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
- Medical nutrition therapy
- Starting Insulin Therapy
Diabetes education
- Diabetes Self-Management Education
Diabetes preventive care
Genetic evaluations
- Genetic Testing for Endocrine Tumors
Hormone treatments
- Estrogen and Progesterone Therapy
- Growth Hormone Injections
- Hormone Replacement Therapy Consultation
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
Thyroid
- Thyroid Cyst Alcohol Ablation
- Thyroid Uptake and Scan
Thyroid procedures
- Radioactive Iodine Treatment
- Thyroid Antibody Testing
- Thyroid Blood Test
- Thyroid Medication Adjustment
- Thyroid Nodule Biopsy
- Thyroid Nodule Radiofrequency Ablation
Weight & Metabolism
- Weight loss medication consult
Procedures Most Often Billed to Medicare
210 services · 103 patients · 2 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Continuous monitoring of blood sugar level in tissue fluid using sensor under skin with interpretation and report | Treatment | 95251 |
24 | Less often than most peers in Endocrinology |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
186 | More often than most peers in Endocrinology |
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 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Other endocrinology specialists in Mayaguez 5
Same specialty, same city.
More connections — 17 related providers in 3 groups
Trained at Ponce School of Medicine 7
Other providers in the same specialty who trained at the same institution.
Class of 1991 at Ponce School of Medicine 7
Providers who graduated from the same medical school in the same year.
Also performs Continuous monitoring of blood sugar level in tissue fluid using sensor under skin with interpretation and report 3
Providers in PR who bill this service to Medicare most often.
Common questions
What does Dr. Martinez Rivera specialize in?
Dr. Martinez Rivera is an endocrinology in Mayaguez, PR. That is the designation recorded for this NPI in the federal registry.
NPI registry
Where is Dr. Martinez Rivera located?
Dr. Martinez Rivera is listed at 27 Calle Nelson Perea Ste 204, Doctor's Center, Mayaguez, PR 00680. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Dr. Martinez Rivera's phone number?
The number on file is (787) 805-0595. Contact the office directly to confirm availability and scheduling.
NPI registry
What is Dr. Martinez Rivera's NPI number?
Dr. Martinez Rivera's National Provider Identifier is 1356330310. 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. Martinez Rivera go to medical school?
Dr. Martinez Rivera attended Ponce School of Medicine, graduating in 1991. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Martinez Rivera been practicing?
Dr. Martinez Rivera has 35 years experience. Calculated from a graduation year of 1991, reported in the CMS National Downloadable File.
CMS public data
What does Dr. Martinez Rivera do most often?
According to Medicare billing data, Dr. Martinez Rivera 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
Has Dr. Martinez Rivera confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Martinez Rivera. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.