Dr. Guesly J. Delva, MD

  • Brooksville, FL
  • Infectious disease specialist
NPI1750562724PAC ID1557523602
Medicare services, 2024
1,901
Medicare patients, 2024
415
Part D claims, 2024
907
Publications
4
Hospital affiliations
3
Practice address
12120 Cortez Blvd, Brooksville, FL 34613-5514
Practice phone
Call (352) 559-8849
Professional email
Get professional email
Personal email
Get personal email
Mobile number
Get mobile number
Social profiles

Primary practice

Sunstate Healthcare

Primary care practice · Brooksville, Florida

See all 11 affiliations

Find Dr. Delva's professional email, personal email and mobile number

Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.

View contacts for free

Dr. Guesly J. Delva is an infectious disease specialist in Brooksville, Florida

Dr. Delva practices at Sunstate Healthcare in Brooksville, Florida.

Dr. Delva's NPI, 1750562724, was assigned on November 19, 2007. Dr. Delva graduated from Rutgers Robert Wood Johnson Medical School in 2005. Dr. Delva holds Florida license ME120716.

NPI and contact details
Medicare PAC ID
1557523602
NPI enumeration date
November 19, 2007
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(352) 559-8849
Professional email
Get email
Personal email
Get email
Mobile number
Get number
Sex
Male
Estimated age
47
Medical school graduation
2005

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Dr. Guesly J. Delva practices at Sunstate Healthcare in Brooksville, Florida

Dr. Delva's primary practice is Sunstate Healthcare, at 12120 Cortez Blvd, Brooksville, FL 34613-5514. The practice phone is (352) 559-8849.

  • Sunstate Healthcare
    12120 Cortez Blvd, Brooksville, FL 34613-5514Phone(352) 559-8849

Source: Dmand AI Affiliation Data

Dr. Guesly J. Delva is affiliated with 7 sites of care and 4 medical groups

Dr. Delva's primary practice is Sunstate Healthcare in Brooksville, Florida. Dr. Delva is also affiliated with HCA Florida Oak Hill Hospital. The medical group on file is Nautilus Health Care Group, LLC. Dmand AI also links Dr. Delva to 2 more hospitals, 3 medical groups, 2 home health agencies and 1 group practice or clinic, each named with a free account.

See all 11 affiliations for Dr. Delva

Source: Dmand AI Affiliation Data

Dmand AI tracks the EHR system at Dr. Guesly J. Delva's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Delva practices, 7 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Sunstate HealthcareAvailable with a free account
+6 more sites and 3 medical groupsAvailable with a free account

Source: Dmand AI Technology Install Data

For health IT teams

See the EHR and IT leaders at every site where Dr. Delva practices

Dmand AI maps EHR vendors, IT decision makers and buying committees across each health system and 6.2K+ hospitals, with verified contacts in the same login.

Dr. Guesly J. Delva is one of 692 infectious disease specialists in Florida

Infectious disease is Dr. Delva's primary specialty in the NPI Registry, under taxonomy code 207RI0200X. Dmand AI has Dr. Delva's licenses on file in 3 states: Florida, Maryland and Louisiana.

Specialties and state licenses

  • Infectious disease, FloridaPrimaryLicense ME120716 · 2014 to 2026 · taxonomy 207RI0200X
  • Maryland licenseLicense D73083 · 2011 to 2018
  • Internal medicine, LouisianaLicense MD.210398 · 2007 to 2009 · taxonomy 207R00000X

Clinical focus

Dmand AI lists acute skin infection, cold sores or genital herpes, hiv/aids, joint or bone infection, lyme disease, pneumonia and UTI among the conditions Dr. Delva treats.

Infectious disease specialists near Dr. Delva

Counts of infectious disease specialists with a Dmand AI profile, by place and practice. Each opens the list.

692infectious disease specialists in Florida
5infectious disease specialists in Brooksville

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Dr. Guesly J. Delva billed Medicare for 1,901 services in 2024

CMS data shows 1,901 Medicare services from Dr. Delva across 7 procedure codes in 2024, for 415 Medicare patients. Medicare paid $132,993 for them.

Medicare services, 20241,901
Medicare patients415
Paid by Medicare$132,993
Procedure codes7

Dr. Delva's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Office and hospital visits
2023: 2,5952024: 1,90127%

Where Dr. Delva's Medicare services took place, 2024

  • In an office1176%
  • In a facility1,78494%

Dr. Delva compared with the Florida median for infectious disease specialists, 2024

  • Dr. Delva
  • Florida median
Medicare services
1,901vs 9052.1 times
Medicare patients
415vs 29541% above
Part D claims
801vs 2443.3 times

Medians across 664 infectious disease specialists in Florida with Dmand AI profiles that report each measure.

Dr. Delva'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.

See all procedures by Dr. Delva

Need commercial claims for Dr. Delva?

Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Delva and other infectious disease specialists in Florida.

Book a meeting

Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Dr. Guesly J. Delva treated 415 Medicare patients in 2024, average age 77

CMS counts 415 Medicare patients who saw Dr. Delva in 2024. The largest group is 75 to 84, with 161 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 18% are also on Medicaid. Their average risk score is 3.34, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.

Across all payers, Dmand AI patient panel data puts Dr. Delva's median patient age at 72, with 48% women.

Medicare patients, 2024415
Average age77
Average risk score3.34
Also on Medicaid18%

Dr. Delva's Medicare patients by age, 2024

Dr. Delva's Medicare patients by sex, 2024

  • Women22454%
  • Men19146%

Chronic conditions among Dr. Delva's Medicare patients, 2024

  1. High blood pressure75%
  2. High cholesterol75%
  3. Ischemic heart disease69%
  4. Chronic kidney disease65%
  5. Arthritis64%
  6. Diabetes56%
  7. Mood disorders54%
  8. Heart failure53%

Share of Medicare patients with each condition. A patient can have several.

Dr. Delva's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 72

Patient panel by sex, all payers

  • Women48%
  • Men51%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Dr. Guesly J. Delva wrote 907 Medicare Part D claims in 2024

In 2024, Dr. Delva wrote 907 Medicare Part D claims for 227 patients. 96% of them were for generic drugs. CMS names the drug for 801 of them, across 13 drugs with 11 or more claims each, at $223,391 in total drug cost. In 2023, CMS named 821 claims across 12 drugs.

Part D claims, 2024907
Drugs named by CMS13
Total drug cost$223,391
Part D patients227

Dr. Delva's Part D claims by kind of drug, 2024

  • Generic867 claims96%
  • Brand-name40 claims4%

Dr. Delva'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 Dr. Delva's Part D claims, 2024

  • Antibiotics91%826 of 907 claims

Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.

Part D claims for drugs CMS names, 2023 to 2024

  • 2023
  • 2024
Claims for drugs CMS names
2023: 8212024: 8012%

Drugs named by CMS: 13 in 2024, 12 in 2023.

See all prescribing by Dr. Delva

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 Dr. Guesly J. Delva takes part in Medicare

Dr. Delva 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)

For MedTech and pharma teams

Find infectious disease specialists like Dr. Delva by procedure volume and prescribing

Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.

Dr. Guesly J. Delva has 4 publications on record

Dmand AI links 4 papers to Dr. Delva, published from 2016 to 2019. Dr. Delva's most frequent co-authors are Ulrike Kirsten Buchwald, MD, Salman M. Muddassir, MD and Arun V. Amble, MD.

Papers4
Years published2016 to 2019

Dr. Delva's most frequent co-authors

Recent publications by Dr. Delva

See all 4 publications and co-authors

See who Dr. Delva researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Delva works with, so you can find a warm path to the right infectious disease specialists.

How network discovery works

Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage

Dr. Guesly J. Delva received $688 in industry payments from 2016 to 2025

CMS Open Payments shows 36 general payments to Dr. Delva from 15 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 78% of the total. Insmed, Inc. paid the most, $171.

General payments to Dr. Delva by program year, 2016 to 2025

General payments to Dr. Delva by kind, 2016 to 2025

$688in total
  • Food and beverage$53678%
  • Education$15222%

Companies that paid Dr. Delva the most, 2016 to 2025

Share is of all general payments to this clinician.

See all payments to Dr. Delva

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Dr. Guesly J. Delva graduated from Rutgers Robert Wood Johnson Medical School

Dr. Delva graduated from Rutgers Robert Wood Johnson Medical School in 2005.

  1. Medical schoolRutgers Robert Wood Johnson Medical School

Source: Dmand AI Professional Profile Data

Dr. Guesly J. Delva accepts plans from 10 insurance carriers

Dr. Delva is in network with 10 carriers, including Aetna, Blue Cross Blue Shield of Michigan and Humana. Medicare plans come from the most carriers, 8. Check the plan with the practice before a visit.

Plan types Dr. Delva accepts, by number of carriers

  1. Medicare8
  2. PPO6
  3. HMO4
  4. Medicaid2
  5. POS2
  6. EPO1

Source: Dmand AI Insurance Network Data

Sources for Dr. Guesly J. Delva's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare 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 percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)
Publications, topics and co-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Training, board certification and membershipsDmand AI Professional Profile Data
Insurance carriers and plan typesDmand AI Insurance Network Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Dr. Guesly J. Delva

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Dr. Guesly J. Delva's NPI number?

Dr. Guesly J. Delva's NPI number is 1750562724. It was assigned on November 19, 2007, and it is active in the NPI Registry.

What kind of doctor is Dr. Guesly J. Delva?

Dr. Guesly J. Delva is an infectious disease specialist in Brooksville, Florida. The primary specialty in the NPI Registry is Infectious Disease Physician (taxonomy code 207RI0200X).

Where does Dr. Guesly J. Delva practice?

Dr. Delva practices at 12120 Cortez Blvd, Brooksville, FL 34613-5514. Dr. Delva's primary practice is Sunstate Healthcare in Brooksville, Florida. Dmand AI also links Dr. Delva to 2 hospitals, 3 medical groups, 2 home health agencies and 1 group practice or clinic.

What is Dr. Guesly J. Delva's office phone number?

The practice phone on file for Dr. Delva is (352) 559-8849.

What is Dr. Guesly J. Delva's medical license number?

Dr. Delva holds Florida license ME120716, one of the licenses on file in 3 states.

Which states has Dr. Guesly J. Delva been licensed in?

Dmand AI has state licenses on file for Dr. Delva in Florida (2014 to 2026), Maryland (2011 to 2018) and Louisiana (2007 to 2009).

Which hospitals is Dr. Guesly J. Delva affiliated with?

Dr. Delva is affiliated with HCA Florida Oak Hill Hospital. Dmand AI links Dr. Delva to 2 more hospitals.

What medical group is Dr. Guesly J. Delva part of?

Dr. Delva is linked to Nautilus Health Care Group, LLC. Dmand AI links Dr. Delva to 3 more medical groups.

Does Dr. Guesly J. Delva accept Medicare?

Yes. CMS data shows Dr. Delva billed Medicare for 1,901 services in 2024, and Dr. Delva accepts Medicare assignment.

How many Medicare patients does Dr. Guesly J. Delva see?

CMS counts 415 Medicare patients who saw Dr. Delva in 2024, with an average age of 77.

Show 8 more questionsShow fewer questions

What services does Dr. Guesly J. Delva bill to Medicare?

In 2024, Dr. Delva's most billed Medicare services were hospital inpatient care (99232), hospital inpatient care (99222) and hospital inpatient care (99223).

Where did Dr. Guesly J. Delva go to medical school?

Dr. Delva graduated from Rutgers Robert Wood Johnson Medical School in 2005.

What drugs does Dr. Guesly J. Delva prescribe most?

In 2024 Medicare Part D data, Dr. Delva's most prescribed drugs by claims were Vancomycin HCl, Cefepime HCl and Meropenem.

Has Dr. Guesly J. Delva received payments from drug or device companies?

CMS Open Payments shows $688 in general payments to Dr. Delva from 15 companies from 2016 to 2025. The largest total came from Insmed, Inc.

How long has Dr. Guesly J. Delva been practicing?

Dr. Delva graduated from medical school in 2005, 21 years ago.

Does Dr. Guesly J. Delva do research?

Dmand AI links 4 publications to Dr. Delva, published from 2016 to 2019.

Who does Dr. Guesly J. Delva publish with?

Dr. Delva's most frequent co-authors are Ulrike Kirsten Buchwald, MD (2 shared papers), Salman M. Muddassir, MD (2 shared papers) and Arun V. Amble, MD (1 shared paper).

What insurance does Dr. Guesly J. Delva accept?

Dr. Delva is in network with 10 carriers, including Aetna, Blue Cross Blue Shield of Michigan and Humana. Medicare plans come from the most carriers, 8. Check the plan with the practice before a visit.

Selling to infectious disease practices?

See infectious disease specialists in Florida by site of care and group

Find the practices, groups and hospitals they work with, and the right people to contact at each.

  • 30 days free
  • Self-serve
  • No credit card

Cookie settings

Turn each category on or off. Your choice is kept for 12 months and you can change it here at any time.

Necessary

Always on. Sign-in, security, downloads you asked for, your cookie choice, and the page that led to a signup.

View cookies (6)
  • dm_consentDmand AI. Your cookie choices and whether your browser sent a Global Privacy Control signal. 12 months.
  • dm_ft, dm_ltDmand AI. The first and the latest page you arrived on, with the date, so a signup is credited to the page that worked. 90 days, 30 days.
  • dm_fs, dm_lsDmand AI. The first and the latest source of a visit (a search engine, a campaign or the site that linked here). 90 days, 30 days.
  • dm_dl, dm_dl_okDmand AI. After you give an email address for a download, lets you download files without being asked again. 30 days.
  • Session and CSRF cookiesDmand AI (app.dmand.ai). Sign-in and form protection in the application. Session.
  • __cf_bm, cf_clearanceCloudflare. Tells people from automated traffic and keeps the site available. 30 minutes; cf_clearance while a security check is valid.

Analytics

On unless you turn it off. How pages are used, in aggregate, and recordings of how pages are used.

View cookies (6)
  • Google Tag ManagerGoogle. Loads the analytics and marketing tags that are on. Sets no cookie of its own and does not load when both categories are off. n/a.
  • _ga, _ga_<container-id>Google Analytics 4. Visits and page views in aggregate on dmand.ai. 2 years.
  • _clck, _clskMicrosoft Clarity. Recordings and heatmaps of how pages are used, with form fields masked. 1 year, 1 day.
  • CLID, MUID, ANONCHK, MR, SMMicrosoft (clarity.ms). Set by Microsoft when Clarity loads, to recognize a browser across sites that use Clarity. Up to 1 year.
  • None (cookieless)Ahrefs Analytics. Page views in aggregate. n/a.
  • ph_<project>_posthogPostHog. Product usage, errors and performance in app.dmand.ai, used to fix bugs and improve features. 365 days.

Marketing

On unless you turn it off, and always off when your browser sends a Global Privacy Control signal. A visitor identification service tells our sales team which companies and people visit.

View cookies (6)
  • _reb2buid, _reb2butkRB2B. Recognizes a returning browser for visitor identification. 360 days, 1 year.
  • _reb2bgeoRB2B. The location used to decide whether a visit can be identified. 20 days.
  • _reb2brefRB2B. The page or site that referred the visit. 15 days.
  • _reb2bfxf, _reb2btd, _reb2bliRB2B. Links the visit to an identified business profile. 1 month.
  • _reb2bresolveRB2B. Holds a match while it is being resolved. 2 days.
  • _reb2sessionID, _reb2bloadedRB2B. The current visit, and a guard against loading the script twice. 30 minutes, 1 second.

Functional

On unless you turn it off. Remembers choices such as a collapsed section.

View cookies (none today)