Doctor profile · Federal record

Dr. Mariana Bigham, MD

Internal Medicine Physician (CMS: Internal Medicine) · Internal Medicine Physician · Kissimmee, FL

  • NPI 1447719547
  • Accepts Medicare
  • 7 yrs in practice
  • Licensed in 2 states
  • Female
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
1300 Kevstin Dr
Kissimmee, FL 347445843
(321) 442-1214
fax (321) 442-1215
Additional location
1211 Fish Hatchery RD
Madison, WI 537151909
(608) 252-8000
fax (608) 252-8233

Credentials & registration

NPPES · NUCC
NPI registered
March 2019 — 7 yrs on file
Profile last updated
September 17, 2025
Year of graduation
2019 — 7 yrs since
Specialty taxonomy
207R00000X — NUCC code
State licenses (2)
Wisconsin #77311-20 · Florida #ME174684
Medicaid
WI #1447719547

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1447719547. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
730
Distinct HCPCS
10
Medicare allowed
$61,158
HCPCS Description Services Patients Avg allowed
36415 Insertion of needle into vein for collection of blood sample 168 110 $8
99214 Established patient office or other outpatient visit, 30-39 minutes 159 125 $120
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 76 76 $122
99213 Established patient office or other outpatient visit, 20-29 minutes 74 65 $85
99204 New patient office or other outpatient visit, 45-59 minutes 42 42 $157
99215 Established patient office or other outpatient visit, 40-54 minutes 33 29 $169
85025 Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count 30 26 $8
99495 Transitional care management services for problem of at least moderate complexity 23 23 $193
G0008 Administration of influenza virus vaccine 23 23 $29
G0108 Diabetes outpatient self-management training services, individual, per 30 minutes 23 12 $52

In context: peer comparison

Among 22 peers in Kissimmee Internal Medicine Physician, average services per provider: 72. This provider delivers 10× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,205
Patients
448
Total drug cost
$18,445
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 168 70 $1,828
Lisinopril Generic 141 53 $1,527
Omeprazole Generic 111 42 $2,268
Levothyroxine Sodium Generic 107 31 $1,899
Amlodipine Besylate Generic 105 45 $1,099
Rosuvastatin Calcium Generic 102 39 $2,293
Duloxetine Hcl Generic 65 22 $1,454
Hydrochlorothiazide Generic 65 29 $431
Gabapentin Generic 54 23 $1,151
Losartan Potassium Generic 53 21 $885

Frequently asked questions

Auto-generated from federal data
What is Dr. Mariana Bigham's medical specialty?
Dr. Mariana Bigham practices Internal Medicine Physician in Kissimmee, FL.
Where does Dr. Mariana Bigham practice?
Dr. Mariana Bigham practices at 1300 Kevstin Dr, Kissimmee, FL 347445843. Office phone: 3214421214.
What is Dr. Mariana Bigham's NPI?
Dr. Mariana Bigham's National Provider Identifier (NPI) is 1447719547, issued by NPPES.
Does Dr. Mariana Bigham accept Medicare assignment?
Yes. Dr. Mariana Bigham accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Mariana Bigham commonly perform?
Top Medicare-reported procedures in 2023: Insertion of needle into vein for collection of blood sample (HCPCS 36415); Established patient office or other outpatient visit (HCPCS 99214); Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (HCPCS G0439). Source: CMS Medicare Physician & Other Practitioners file.