Hien Huy Mai, DO
Internal Medicine Physician · Lakeland, FL
Hien Huy Mai, DO is an internal medicine physician with a practice address in Lakeland, Florida, and NPI 1881029205, issued on Sep 4, 2013. Check the license (Florida OS12560, as entered in NPPES) on the Florida health license search; the Medicare figures below come from public CMS files.
- Name
- Hien Huy Mai
- Credential
- DO
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- OS12560 FL
Self-reported in NPPES; status is on the state search - Practice location
- 4315 Highland Park Blvd Ste A, Lakeland, FL 33813
- Phone
- (863) 816-5884
- Enumerated
- Sep 4, 2013
- Record last updated
- Feb 18, 2022
- Fax
- (863) 940-4856
- Medicaid ID
- 013551300 FL
- Medicare enrollment
- Enrolled (PECOS I20141117000682); accepts Medicare assignment
- Medical or professional school
- Lake Erie College Of Osteopathic Medicine, Erie, 2012
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 10,151 in Florida → Look up another NPI →
Also registered at 4315 Highland Park Blvd Ste A
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Hien Huy Mai in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersFlorida health license search
Search for license OS12560Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
72% fewer Medicare Part D claims than the average internal medicine physician in 2024
883 Medicare Part D claims for 358 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. 74 claims were for opioids.
Most prescribed
- Prednisone47 claims
- Furosemide44 claims
- Eliquis37 claims
- Levofloxacin36 claims
- Pantoprazole Sodium35 claims
- Oxycodone-Acetaminophen30 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.
Bills Medicare through 2 group practices
- Apogee Medical Group, Florida IncTitusville, FL
- Premier Hospitalists PLTampa, FL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Hien Huy Mai among 10,151 internal medicine physician records in Florida
Hien Huy Mai, DO is one of 10,151 internal medicine physician records with a practice address in Florida. 84% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2013, is newer than 66% of them.
- NPI issued2013 · 66% of these records are older, 32% newer
- In a Medicare fileYes · 84% of these records are
- In the CMS Doctors and Clinicians fileYes · 65% of these records are
- Graduated2012 · median 2004 among the 6,606 with a school on file
- Record last updated2022 · 48% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Florida practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
142 internal medicine physician records list a practice address in Lakeland
They are 142 of the 5,099 NPPES records with a practice address in Lakeland, and 10,151 internal medicine physician records in Florida.
All 10,151 in Florida → Every provider in Lakeland → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Narinder Brar, MDLakeland, FL 338131972582054
- Dario Cardona, M.D.Lakeland, FL 338131770787434
- Rekha Issar, M.DLakeland, FL 338131316081318
- Nandini Kiri, MD PALakeland, FL 338131588658819
- Melanie Letobarone, MDLakeland, FL 338131669790853
- Fawzi Mehanna, MDLakeland, FL 338131184686461
- Erwing Parra De Jesus, MDLakeland, FL 338131669657409
- Rengit Philip, MDLakeland, FL 338131871767426
Common questions
What is Hien Huy Mai, DO's NPI number?
Hien Huy Mai, DO's National Provider Identifier (NPI) is 1881029205, issued on Sep 4, 2013. An NPI identifies a provider in billing; it is not a license.
Where is Hien Huy Mai, DO located?
The NPPES record lists a practice address at 4315 Highland Park Blvd Ste A, Lakeland, FL, 33813. Phone: (863) 816-5884. Providers update this record themselves, so call before visiting.
How can I verify Hien Huy Mai, DO's license?
NPPES lists Florida license number OS12560, 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 Hien Huy Mai, DO prescribe under Medicare Part D?
In 2024, Hien Huy Mai, DO had 883 Medicare Part D claims for 358 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.