Grant Filowitz
Internal Medicine Physician · Orlando, FL
Grant Filowitz is an internal medicine physician with a practice address in Orlando, Florida, and NPI 1659955664, issued on May 6, 2021. Check the license (Florida OS20857, as entered in NPPES) on the Florida health license search; the Medicare figures below come from public CMS files.
- Name
- Grant Filowitz
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License numbers
- OS20857 FL
LL83502 SC
Self-reported in NPPES; status is on the state search - Practice location
- 52 Underwood St, Orlando, FL 32806
- Phone
- (321) 841-3581
- Enumerated
- May 6, 2021
- Record last updated
- Jul 2, 2024
- Fax
- (321) 843-5177
- Medicare enrollment
- Enrolled (PECOS I20240717004387); accepts Medicare assignment
- Medical or professional school
- Lake Erie College Of Osteopathic Medicine, Bradenton, 2021
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 10,151 in Florida → Look up another NPI →
Also registered at 52 Underwood St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Shatha Aboaid, MDInternal Medicine Physician1215514526
- Victoria AbrahamAnesthesiologist Assistant1235013376
- Vincent Adair, MDStudent in an Organized Health Care Education/Training Program1639011414
- Srinivasan Adayapalam, M.D.Anesthesiology Physician1053392779
- Zainab AhmadEmergency Medicine Physician1558124271
- Mikhail Ahmed, MDStudent in an Organized Health Care Education/Training Program1144062068
Verify Grant Filowitz in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersFlorida health license search
Search for license OS20857Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
84% fewer Medicare Part D claims than the average internal medicine physician in 2024
523 Medicare Part D claims for 130 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. 13 claims were for opioids.
Most prescribed
- Amlodipine Besylate42 claims
- Atorvastatin Calcium40 claims
- Carvedilol23 claims
- Eliquis15 claims
- Gabapentin15 claims
- Metformin Hcl15 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 one group practice
- Orlando Health Medical Group IncOrlando, FL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Grant Filowitz among 10,151 internal medicine physician records in Florida
Grant Filowitz 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 2021, is newer than 89% of them.
- NPI issued2021 · 89% of these records are older, 8% newer
- In a Medicare fileYes · 84% of these records are
- In the CMS Doctors and Clinicians fileYes · 65% of these records are
- Graduated2021 · median 2004 among the 6,606 with a school on file
- Record last updated2024 · 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).
534 internal medicine physician records list a practice address in Orlando
They are 534 of the 25,426 NPPES records with a practice address in Orlando, and 10,151 internal medicine physician records in Florida.
All 10,151 in Florida → Every provider in Orlando → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Kwabena Ayesu, MDOrlando, FL 328061225019284
- Azhar Chaudhry, MDOrlando, FL 328061669491726
- Keith Gray, MDOrlando, FL 328061033195177
- Milan Janmeja, MDOrlando, FL 328061649206020
- Scott Korman, MDOrlando, FL 328061467491357
- Mario Madruga, MDOrlando, FL 328061568432623
- Jahely Marrero, MDOrlando, FL 328061649262395
- Dennis McCommon, M.D.Orlando, FL 328061275519639
Common questions
What is Grant Filowitz's NPI number?
Grant Filowitz's National Provider Identifier (NPI) is 1659955664, issued on May 6, 2021. An NPI identifies a provider in billing; it is not a license.
Where is Grant Filowitz located?
The NPPES record lists a practice address at 52 Underwood St, Orlando, FL, 32806. Phone: (321) 841-3581. Providers update this record themselves, so call before visiting.
How can I verify Grant Filowitz's license?
NPPES lists Florida license number OS20857, 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 Grant Filowitz prescribe under Medicare Part D?
In 2024, Grant Filowitz had 523 Medicare Part D claims for 130 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.