Lillie Emmelhainz O'Steen, M.D.
Radiation Oncology Physician · Jacksonville, FL
Lillie Emmelhainz O'Steen, M.D. is a radiation oncology physician with a practice address in Jacksonville, Florida, and NPI 1942680707, issued on Jun 5, 2015. Check the license (Florida ME144214, as entered in NPPES) on the Florida health license search; the Medicare figures below come from public CMS files.
- Name
- Lillie Emmelhainz O'Steen
- Credential
- M.D.
- Primary taxonomy
- Radiation Oncology Physician 2085R0001X
- License number
- ME144214 FL
Self-reported in NPPES; status is on the state search - Practice location
- 1301 Palm Ave Ste 100, Jacksonville, FL 32207
- Phone
- (904) 202-7300
- Enumerated
- Jun 5, 2015
- Record last updated
- Jan 16, 2026
- Fax
- (904) 202-2754
- Medicare enrollment
- Enrolled (PECOS I20200622001458); accepts Medicare assignment
- Medical or professional school
- University Of Florida College Of Medicine, 2015
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest radiation oncology physician records → All 520 in Florida → Look up another NPI →
Also registered at 1301 Palm Ave Ste 100
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Cynthia Anderson, M.D.Radiation Oncology Physician1174724819
- Robert Cavaliere, M.DNeurology Physician1730263096
- Julie Greenwalt, M.D.Radiation Oncology Physician1649562463
- Gordon Guo, M.D.Radiation Oncology Physician1306221916
- Emily Henderson, DNP, APRN, FNP-BCNurse Practitioner1477440154
- I-Chia Liu, MDRadiation Oncology Physician1316523350
Verify Lillie Emmelhainz O'Steen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersFlorida health license search
Search for license ME144214Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
23% fewer Medicare Part D claims than the average radiation oncology physician in 2024
103 Medicare Part D claims for 67 beneficiaries, against an average of 134 among the 4,851 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims.
Most prescribed
- Mometasone Furoate21 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 100 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- Baptist MD Anderson Cancer Physicians IncJacksonville, FL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Lillie Emmelhainz O'Steen among 520 radiation oncology physician records in Florida
Lillie Emmelhainz O'Steen, M.D. is one of 520 radiation oncology physician records with a practice address in Florida. 86% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2015, is newer than 82% of them.
- NPI issued2015 · 82% of these records are older, 15% newer
- In a Medicare fileYes · 86% of these records are
- In the CMS Doctors and Clinicians fileYes · 76% of these records are
- Graduated2015 · median 2002 among the 393 with a school on file
- Record last updated2026 · 50% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2085R0001X and a Florida practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Radiation Oncology Physician providers in Florida
There are 520 radiation oncology physician records in Florida.
All 520 in Florida → Every provider in Jacksonville → Radiation Oncology Physician nationwide →
The 8 radiation oncology physician records with the nearest ZIP codes
- Cynthia Anderson, M.D.Jacksonville, FL 322071174724819
- Nicole Anderson, MDJacksonville, FL 322071437331733
- Julie Greenwalt, M.D.Jacksonville, FL 322071649562463
- Gordon Guo, M.D.Jacksonville, FL 322071306221916
- I-Chia Liu, MDJacksonville, FL 322071316523350
- Omar Mahmoud, M.D.Jacksonville, FL 322071467784439
- Michael Olson, M.D., PH.D.Jacksonville, FL 322071427244037
- Julie Bradley, M.D.Jacksonville, FL 322061588837793
Common questions
What is Lillie Emmelhainz O'Steen, M.D.'s NPI number?
Lillie Emmelhainz O'Steen, M.D.'s National Provider Identifier (NPI) is 1942680707, issued on Jun 5, 2015. An NPI identifies a provider in billing; it is not a license.
Where is Lillie Emmelhainz O'Steen, M.D. located?
The NPPES record lists a practice address at 1301 Palm Ave Ste 100, Jacksonville, FL, 32207. Phone: (904) 202-7300. Providers update this record themselves, so call before visiting.
How can I verify Lillie Emmelhainz O'Steen, M.D.'s license?
NPPES lists Florida license number ME144214, 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 Lillie Emmelhainz O'Steen, M.D. prescribe under Medicare Part D?
In 2024, Lillie Emmelhainz O'Steen, M.D. had 103 Medicare Part D claims for 67 beneficiaries; the average among radiation oncology physician prescribers was 134. Part D covers Medicare prescriptions only.
What is Lillie Emmelhainz O'Steen, M.D.'s MIPS final score?
The 2023 MIPS final score is 100 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.