Joanna N. Dalton Ayoung, MD
Obstetrics & Gynecology Physician · Oviedo, FL
Joanna N. Dalton Ayoung, MD is an obstetrics & gynecology physician with a practice address in Oviedo, Florida, and NPI 1639468531, issued on Mar 31, 2011. Check the license (Florida ME151383, as entered in NPPES) on the Florida health license search; the Medicare figures below come from public CMS files.
- Name
- Joanna N. Dalton Ayoung
- Credential
- MD
- Primary taxonomy
- Obstetrics & Gynecology Physician 207V00000X
- License numbers
- ME151383 FL
271059 NY
Self-reported in NPPES; status is on the state search - Practice location
- 1890 W County Road 419 Ste 2010, Oviedo, FL 32765
- Phone
- (407) 635-3600
- Enumerated
- Mar 31, 2011
- Record last updated
- Aug 18, 2023
- Fax
- (321) 842-3901
- Medicaid IDs
- 04533900 NY
111608800 FL - Medicare enrollment
- Enrolled (PECOS I20210903001373); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest obstetrics & gynecology physician records → All 2,601 in Florida → Look up another NPI →
Also registered at 1890 W County Road 419 Ste 2010
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Kirk Hutjens, MDInternal Medicine Physician1376650895
- Stuart Janousky, M.D.Pediatrics Physician1477544385
- Sari Stender, P.A.Medical Physician Assistant1841273406
Verify Joanna N. Dalton Ayoung in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersFlorida health license search
Search for license ME151383Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
16% fewer Medicare Part D claims than the average obstetrics & gynecology physician in 2024
139 Medicare Part D claims for 55 beneficiaries, against an average of 165 among the 28,733 providers of this specialty who prescribed in Part D. Brand-name drugs were 14% of claims.
Most prescribed
- Estradiol39 claims
- Ibuprofen17 claims
- Clobetasol Propionate14 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $791.65
14 payments; by number, the most common kind was food and beverage; the largest payer was Intuitive Surgical, Inc. The 21,429 providers of this specialty with any payment received $1,030.61 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Orlando Health Medical Group IncOviedo, FL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Joanna N. Dalton Ayoung among 2,601 obstetrics & gynecology physician records in Florida
Joanna N. Dalton Ayoung, MD is one of 2,601 obstetrics & gynecology physician records with a practice address in Florida. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2011, is newer than 68% of them.
- NPI issued2011 · 68% of these records are older, 29% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 64% of these records are
- Graduated2011 · median 2004 among the 1,657 with a school on file
- Record last updated2023 · 51% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207V00000X and a Florida practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Obstetrics & Gynecology Physician providers in Florida
There are 2,601 obstetrics & gynecology physician records in Florida.
All 2,601 in Florida → Every provider in Oviedo → Obstetrics & Gynecology Physician nationwide →
The 8 obstetrics & gynecology physician records with the nearest ZIP codes
- Radha Burtch, M.D.Oviedo, FL 327651215102892
- Virgil Davila, M.D.Oviedo, FL 327651386633428
- Barbara Harris, M.D.Oviedo, FL 327651104816339
- Bradley Kasper, DOOviedo, FL 327651720582778
- Deborah Spiers, D.OOviedo, FL 327651093943144
- Pedro Cruz Torres, MDOrange City, FL 327631104897453
- Jose Lopez Cintron, MDOrange City, FL 327631770536575
- Carhine Pierre-Lambert, MDOrange City, FL 327631205138559
Common questions
What is Joanna N. Dalton Ayoung, MD's NPI number?
Joanna N. Dalton Ayoung, MD's National Provider Identifier (NPI) is 1639468531, issued on Mar 31, 2011. An NPI identifies a provider in billing; it is not a license.
Where is Joanna N. Dalton Ayoung, MD located?
The NPPES record lists a practice address at 1890 W County Road 419 Ste 2010, Oviedo, FL, 32765. Phone: (407) 635-3600. Providers update this record themselves, so call before visiting.
How can I verify Joanna N. Dalton Ayoung, MD's license?
NPPES lists Florida license number ME151383, as entered by the provider. Search the Florida health license search at https://mqa-internet.doh.state.fl.us/mqasearchservices/healthcareproviders. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Joanna N. Dalton Ayoung, MD prescribe under Medicare Part D?
In 2024, Joanna N. Dalton Ayoung, MD had 139 Medicare Part D claims for 55 beneficiaries; the average among obstetrics & gynecology physician prescribers was 165. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.