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Edit this profileAt a glance
- 2150 N Expressway # 83, Brownsville, TX 78521
About Mariza Oliver
Listed in the NPI registry as a nurse practitioner — family, Mariza D. Oliver, NP practices in Brownsville, TX. According to Medicare claims data, Mariza cared for 709 Medicare patients across 1,792 services. The services billed most often include complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count, insertion of needle into vein for collection of blood sample, and established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more. NPI 1477969848 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
- (956) 548-0810
- Email not available
Is this your home address or personal number? Hide it
Practice Locations
2150 N EXPRESSWAY # 83
Brownsville, TX 78521
Conditions and Services Within This Provider's Scope
Within Nurse Practitioner - Family 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
Allergies
Allergy & skin
Blood disorders
Bone & joint
Dermatology
Digestive
Digestive health
Eye conditions
Heart health
Hormones & endocrine
Infections
Men's health
Mental health
Metabolic & weight
Nerve & joint
Nerve & spine
Neurological
Pain
Pain & spine
Pediatric infections
Respiratory
Skin
Sleep
Urinary health
Women's health
Procedures & services
Chronic condition care
Dermatology
Diagnostic screening
Evaluation & Testing
Hormones & endocrine
Injury care
Lab tests
- COVID-19 testing
- Cholesterol screening
- Hemoglobin A1c Test
- Rapid strep testing
- Thyroid Blood Test
- Urine Drug Screen
Mental health
Minor procedures
- Burn and Wound Care
- Superficial foreign-body removal
- Incision and drainage of an abscess
- Ingrown toenail removal
Minor surgery
Physical exams
Prescriptions
Preventative care
Preventative exams
Sexual health
Skin procedures
Sleep
Urgent care
Weight management
Women's health
- IUD insertion and removal
- Pregnancy Confirmation Test
- Birth control counseling
- Contraceptive implant insertion and removal
- Pap smear
- Well-woman exam
Most searched procedures
Allergies
Diagnostic tests
Ear, nose & throat
- Earwax removal
Heart health
- EKG
Injections
Lifestyle counseling
Neurological care
Occupational health
Pain management
Respiratory care
Screenings
Procedures Most Often Billed to Medicare
1,792 services · 709 patients · 11 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Insertion of needle into vein for collection of blood sample | Procedure | 36415 |
336 | More than most peers in Nurse Practitioner, Family |
| Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count | Lab test | 85025 |
387 | More than most peers in Nurse Practitioner, Family |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
260 | More often than most peers in Nurse Practitioner, Family |
| Blood test, comprehensive group of blood chemicals | Lab test | 80053 |
241 | More than most peers in Nurse Practitioner, Family |
| Iron binding capacity | Lab test | 83550 |
127 | More than most peers in Nurse Practitioner, Family |
| Iron level | Lab test | 83540 |
127 | More than most peers in Nurse Practitioner, Family |
| Ferritin (blood protein) level | Lab test | 82728 |
127 | More than most peers in Nurse Practitioner, Family |
| Reticulated (young) platelet measurement | Lab test | 85055 |
78 | More than most peers in Nurse Practitioner, Family |
| 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 Nurse Practitioner, Family |
| Lactate dehydrogenase (enzyme) level | Lab test | 83615 |
39 | As often as other peers in Nurse Practitioner, Family |
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 3
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Other nurse practitioners in Brownsville 8
Same specialty, same city.
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 2012 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 TX who bill this service to Medicare most often.
Common questions
What is Mariza D. Oliver's specialty?
Mariza D. Oliver is a nurse practitioner in Brownsville, TX. That is the designation recorded for this NPI in the federal registry, where it is listed as “Nurse Practitioner — Family”.
NPI registry
Where can I find Mariza D. Oliver?
Mariza D. Oliver is listed at 2150 N Expressway # 83, Brownsville, TX 78521. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Mariza D. Oliver?
The number on file is (956) 548-0810. Contact the office directly to confirm availability and scheduling.
NPI registry
What is Mariza D. Oliver's NPI number?
Mariza D. Oliver's National Provider Identifier is 1477969848. 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 Mariza D. Oliver's education?
Mariza D. Oliver attended Other, graduating in 2012. This comes from the CMS National Downloadable File.
CMS public data
How long has Mariza D. Oliver been practicing?
Mariza D. Oliver has 14 years experience. Calculated from a graduation year of 2012, reported in the CMS National Downloadable File.
CMS public data
What is Mariza D. Oliver known for?
According to Medicare billing data, Mariza D. Oliver 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 Mariza D. Oliver confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Mariza D. Oliver. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.