Theava Ismarella Preston, APRN
- Medicare services, 2024
- 26
- Medicare patients, 2024
- 54
- Part D claims, 2024
- 239
- Industry payments
- $46
- Affiliated sites
- 4
- Practice address
- 12500 S Apopka Vineland Rd, Orlando, FL 32821
- Practice phone
- Call (407) 200-2300
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
AdventHealth Centra Care Lake Buena Vista - Orlando
Urgent Care Center · Orlando, Florida
Find Theava Preston's professional email, personal email and mobile number
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Theava Ismarella Preston is a family nurse practitioner in Orlando, Florida
Theava Preston practices at AdventHealth Centra Care Lake Buena Vista - Orlando in Orlando, Florida.
Theava Preston's NPI, 1568001774, was assigned on January 6, 2020. Theava Preston holds Florida license 11004333.
- NPI
- 1568001774NPI Registry (opens in a new tab)
- Medicare PAC ID
- 9234550617
- NPI enumeration date
- January 6, 2020
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (407) 200-2300
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 33
- Medical school graduation
- 2019
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Theava Ismarella Preston practices at AdventHealth Centra Care Lake Buena Vista - Orlando in Orlando, Florida
Theava Preston's primary practice is AdventHealth Centra Care Lake Buena Vista - Orlando, at 12500 S Apopka Vineland Rd, Orlando, FL 32821. The practice phone is (407) 200-2300.
- AdventHealth Centra Care Lake Buena Vista - Orlando12500 S Apopka Vineland Rd, Orlando, FL 32821Phone(407) 200-2300
Source: Dmand AI Affiliation Data
Theava Ismarella Preston is affiliated with 4 sites of care and 2 medical groups
Theava Preston's primary practice is AdventHealth Centra Care Lake Buena Vista - Orlando in Orlando, Florida. The medical group on file is AdventHealth Centra Care. Dmand AI also links Theava Preston to 2 more group practices and clinics, 1 urgent care center and 1 medical group, each named with a free account. Theava Preston's employer is on file too: an urgent care center.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Theava Ismarella Preston's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Theava Preston practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| AdventHealth Centra Care Lake Buena Vista - Orlando | Available with a free account |
| +3 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Theava Ismarella Preston is one of 14,175 family nurse practitioners in Florida
Family is Theava Preston's primary specialty in the NPI Registry, under taxonomy code 363LF0000X. Theava Preston is licensed in Florida.
Specialties and state licenses
- Family nurse practitioner, FloridaPrimary
Clinical focus
Dmand AI lists acute sinusitis, bursitis, contact dermatitis, ear infection, minor injury to a limb, swimmer's ear, upper respiratory infection (URI) and UTI among the conditions Theava Preston treats.
Family nurse practitioners near Theava Preston
Counts of family nurse practitioners with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Theava Ismarella Preston billed Medicare for 26 services in 2024
CMS data shows 26 Medicare services from Theava Preston across 1 procedure code in 2024, all of them office visits, for 54 Medicare patients. Medicare paid $1,348 for them. Every service was in an office.
Theava Preston compared with the Florida median for family nurse practitioners, 2024
- Theava Preston
- Florida median
- Medicare services
- 26vs 30892% below
- Medicare patients
- 54vs 11553% below
- Part D claims
- 113vs 52578% below
Medians across 8,146 family nurse practitioners in Florida with Dmand AI profiles that report each measure.
Theava Preston's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Medicare shows one payer. Book a meeting to get commercial claims data for Theava Preston and other family nurse practitioners in Florida.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Theava Ismarella Preston treated 54 Medicare patients in 2024, average age 71
CMS counts 54 Medicare patients who saw Theava Preston in 2024. The largest group is 65 to 74, with 31 patients. 69% of them have high cholesterol, and 65% have high blood pressure. Their average risk score is 1.16, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Theava Preston's median patient age at 38, with 60% women.
Theava Preston's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Theava Preston's Medicare patients by sex, 2024
- Women3259%
- Men2241%
Chronic conditions among Theava Preston's Medicare patients, 2024
- High cholesterol69%
- High blood pressure65%
- Arthritis39%
- Anxiety22%
- Diabetes22%
- Ischemic heart disease20%
Share of Medicare patients with each condition. A patient can have several.
Theava Preston's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 38
Patient panel by sex, all payers
- Women60%
- Men38%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Theava Ismarella Preston wrote 239 Medicare Part D claims in 2024
In 2024, Theava Preston wrote 239 Medicare Part D claims for 123 patients. 89% of them were for generic drugs. CMS names the drug for 113 of them, across 6 drugs with 11 or more claims each, at $997 in total drug cost.
Theava Preston's Part D claims by kind of drug, 2024
- Generic213 claims89%
- Brand-name and other26 claims11%
Theava Preston's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Theava Preston's Part D claims, 2024
- Antibiotics29%70 of 239 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
How Theava Ismarella Preston takes part in Medicare
Theava Preston accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Theava Ismarella Preston received $46 in industry payments from 2024 to 2025
CMS Open Payments shows 3 general payments to Theava Preston from 1 drug or device company from 2024 to 2025. Food and beverage make up the largest share, 100% of the total. AstraZeneca Pharmaceuticals LP paid the most, $46.
General payments to Theava Preston by program year, 2024 to 2025
Companies that paid Theava Preston the most, 2024 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Theava Ismarella Preston's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Theava Ismarella Preston
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Theava Ismarella Preston's NPI number?
Theava Ismarella Preston's NPI number is 1568001774. It was assigned on January 6, 2020, and it is active in the NPI Registry.
What does Theava Ismarella Preston specialize in?
Theava Ismarella Preston is a family nurse practitioner in Orlando, Florida. The primary specialty in the NPI Registry is Family Nurse Practitioner (taxonomy code 363LF0000X).
Where does Theava Ismarella Preston practice?
Theava Preston practices at 12500 S Apopka Vineland Rd, Orlando, FL 32821. Theava Preston's primary practice is AdventHealth Centra Care Lake Buena Vista - Orlando in Orlando, Florida. Dmand AI also links Theava Preston to 2 group practices and clinics, 1 urgent care center and 1 medical group.
What is Theava Ismarella Preston's office phone number?
The practice phone on file for Theava Preston is (407) 200-2300.
What is Theava Ismarella Preston's medical license number?
Theava Preston holds Florida license 11004333.
What medical group is Theava Ismarella Preston part of?
Theava Preston is linked to AdventHealth Centra Care. Dmand AI links Theava Preston to 1 more medical group.
Does Theava Ismarella Preston accept Medicare?
Yes. CMS data shows Theava Preston billed Medicare for 26 services in 2024, and Theava Preston accepts Medicare assignment.
How many Medicare patients does Theava Ismarella Preston see?
CMS counts 54 Medicare patients who saw Theava Preston in 2024, with an average age of 71.
What services does Theava Ismarella Preston bill to Medicare?
In 2024, Theava Preston's most billed Medicare services were office visit, new patient (99203).
What drugs does Theava Ismarella Preston prescribe most?
In 2024 Medicare Part D data, Theava Preston's most prescribed drugs by claims were Methylprednisolone, Amoxicillin-Clavulanate Potass and Prednisone.
Has Theava Ismarella Preston received payments from drug or device companies?
CMS Open Payments shows $46 in general payments to Theava Preston from 1 company from 2024 to 2025. The largest total came from AstraZeneca Pharmaceuticals LP.
How long has Theava Ismarella Preston been practicing?
Theava Preston graduated from medical school in 2019, 7 years ago.
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