DR. MARIANA RIVERA BIGHAM MD
NPI 1447719547
Internal Medicine in Kissimmee, FL

Q: What is Mariana Bigham's NPI number?

The NPI number for Mariana Bigham is 1447719547. It was assigned to this individual provider in the NPPES registry on March 18, 2019.

Q: What is Mariana Bigham's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Q: When was this NPI record last updated?

The NPPES record for Mariana Bigham was last updated on September 17, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since March 18, 2019PECOS EnrolledAccepts Medicare Assignment

1300 KEVSTIN DR, KISSIMMEE, FL 34744(321) 442-1214(321) 442-1215 Get Directions Write a Review

NPPES record last updated: September 17, 2025. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Sep 17, 2025, Sep 19, 2022, Sep 8, 2022 and 2 more (5 updates tracked since 2019).

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About Dr. Mariana Rivera Bigham Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. MARIANA RIVERA BIGHAM MD (NPI 1447719547) is an individual internal medicine provider in Kissimmee, Florida, licensed in Wisconsin (77311-20) and active in the NPI registry since March 2019. She is enrolled in Medicare PECOS, is affiliated with Orlando Health, and maintains a secondary practice location in Madison.

NPPES Registry Identity

NPI1447719547

Entity TypeIndividualFemale

Primary Taxonomy207R00000X

Provider Legal NameDR. MARIANA RIVERA BIGHAMCredential: MD

Location Address1300 KEVSTIN DRKissimmee, FL 34744-5843

Mailing Address1300 Kevstin DrKissimmee, FL 34744-5843 · (321) 442-1214 · Fax (321) 442-1215

Phone(321) 442-1214

Fax(321) 442-1215

Sole ProprietorNo

Medical School CMSMercer University School Of MedicineGraduated 2019

Enumeration DateMarch 18, 2019

Last NPPES UpdateSeptember 17, 20255 updates tracked since enumeration

NPPES CertifiedSeptember 17, 2025

✔ NPI 1447719547 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207R00000X

Licenses✔ Licensed in WI · 77311-20✔ Licensed in FL · ME174684

Definition

A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.

1300 KEVSTIN DR, Kissimmee, FL 34744

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Secondary Practice Location 1

Location 11211 Fish Hatchery RdMadison, WI 53715-1909 · Phone (608) 252-8000 · Fax (608) 252-8233

Other Identifiers 1

Medicaid1447719547WI

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter Health, Ambetter of Alabama, AmeriHealth Caritas Next and more.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Mariana Rivera Bigham Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID9537495056

PECOS Enrollment IDI20250910000366

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

Medicare enrollment records show Mariana Bigham reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Orlando Physicians Network Inc

15 mi

Internal Medicine

21 W COLUMBIA ST
Orlando, FL 32806

Reassigned Medicare billing, Florida enrollment
339 clinicians in this Medicare group

NPI 1568693554 (407) 481-7174

Dean Health Systems, Inc

1,111 mi

Allergy & Immunology

1211 FISH HATCHERY RD
Madison, WI 53715

Reassigned Medicare billing, Wisconsin enrollment
1,377 clinicians in this Medicare group

NPI 1053358846 (608) 252-8000

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 14

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Insertion of needle into vein for collection of blood sample 36415

This procedure involves inserting a small needle into a vein, typically in your arm, to collect a blood sample. It's a quick and simple process to help diagnose or monitor health conditions. You may feel a small prick, but discomfort is minimal.

227 services130 patients

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214

This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.

220 services171 patients

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213

This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.

158 services131 patients

Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit G0439

An annual wellness visit is a yearly appointment with your primary care provider to create or update a personalized prevention plan. This plan helps prevent illness based on your current health and risk factors. It's a subsequent visit, meaning it follows an initial assessment.

113 services113 patients

Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count 85025

A Complete Blood Cell Count is a common test that measures various components of the blood, including red cells (carry oxygen), white cells (fight infection), and platelets (help blood clot). An automated test ensures accuracy. The differential count provides detailed information about white cell types.

42 services38 patients

Transitional care management services for problem of at least moderate complexity 99495

Transitional care management services focus on coordinating and managing your care after you leave the hospital. For moderate complexity problems, this involves managing your medications, arranging further treatments, and ensuring you have the necessary follow-ups.

25 services22 patients

Administration of influenza virus vaccine G0008

The administration of the influenza virus vaccine, also known as the flu shot, is a simple procedure to protect against the flu. A healthcare provider injects a small dose of the vaccine into your arm. This stimulates your immune system to produce antibodies, which will help your body fight off the flu if exposed.

25 services25 patients

Influenza vaccine, inactivated 90653

The Influenza vaccine, inactivated, is a shot given to protect against the flu. It contains killed virus particles that help your body build immunity to the flu. It's recommended annually to keep your protection up-to-date. It's safe for ages 6 months and up.

23 services23 patients

Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report 93000

An electrocardiogram (ECG) is a non-invasive test that records your heart's electrical activity. Using 12 leads attached to your body, it captures data to help identify heart conditions. A doctor interprets the results and provides a report.

20 services19 patients

Manual urinalysis test with examination using microscope, automated 81001

A manual urinalysis test with automated microscopic examination is a lab process that checks your urine for health indicators. It involves a machine scanning your sample to identify any abnormal elements, which can assist in diagnosing various conditions.

19 services16 patients

Diabetes outpatient self-management training services, individual, per 30 minutes G0108

This service involves personalized training sessions, each lasting 30 minutes, to help manage diabetes. It includes guidance on monitoring blood sugar, healthy eating, physical activity, medication usage, and dealing with daily challenges of living with diabetes.

19 services11 patients

Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215

This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.

18 services17 patients

Initial nursing facility care with high level of medical decision making, per day, if using time, 50 minutes or more 99306

An initial nursing facility visit is your first meeting with your healthcare team at a nursing facility. Lasting typically 45 minutes, this appointment involves a comprehensive health assessment and the creation of your personalized care plan. It's a crucial step to ensure your health and well-being.

18 services15 patients

Complete blood cell count (red cells, white blood cell, platelets), automated test 85027

A complete blood cell count (CBC) is an automated test that measures different components of the blood, including red cells, white cells, and platelets. It helps assess overall health, detect disorders like anemia or infection, and monitor medical treatments.

14 services13 patients

Hospital Affiliations CMS Care Compare 3

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Orlando Health

Acute Care Hospitals · Orlando, FL

2/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number100006

Location52 W Underwood StOrlando, FL 32806 · Orange County

Emergency services Birthing friendly

Orlando Health St Cloud Hospital

Acute Care Hospitals · Saint Cloud, FL

2/5 CMS rating

OwnershipProprietary

CMS Certification Number100302

Location2906 17th StreetSaint Cloud, FL 34769 · Osceola County

Emergency services

Ssm Health St Mary's Hospital - Madison

Acute Care Hospitals · Madison, WI

5/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number520083

Location700 South Park StMadison, WI 53715 · Dane County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 34744 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$130.04 typical visit price

range $56.00 – $171.84

Typical copayment $32.51 (range $14.00 – $42.96)

Most-billed visit code 99204

Established Patient

$99.16 typical visit price

range $17.57 – $139.16

Typical copayment $24.79 (range $4.39 – $34.79)

Most-billed visit code 99214

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 13

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

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