Andrew Hayslett, D.O.
Internal Medicine Physician · Largo, FL
Andrew Hayslett, D.O. is an internal medicine physician with a practice address in Largo, Florida, and NPI 1669705083, issued on Sep 16, 2009. Check the license (Florida OS11671, as entered in NPPES) on the Florida health license search; the Medicare figures below come from public CMS files.
- Name
- Andrew Hayslett
- Credential
- D.O.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License numbers
- OS11671 FL
OS511671 FL
UO2209 FL
Self-reported in NPPES; status is on the state search - Practice location
- 1559 Indian Rocks RD S, Largo, FL 33770
- Phone
- (727) 683-8800
- Enumerated
- Sep 16, 2009
- Record last updated
- Jul 17, 2026
- Fax
- (727) 491-7767
- Medicare enrollment
- Enrolled (PECOS I20120925000328); accepts Medicare assignment
- Medical or professional school
- West Virginia School Of Osteopathic Medicine, 2009
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 10,151 in Florida → Look up another NPI →
Also registered at 1559 Indian Rocks RD S
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Linda Hayslett, D.O.Internal Medicine Physician1295069847
- Smeet Patel, MDInternal Medicine Physician1558758987
Verify Andrew Hayslett in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersFlorida health license search
Search for license OS11671Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
70% more Medicare Part D claims than the average internal medicine physician in 2024
5,408 Medicare Part D claims for 132 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims. 106 claims were for opioids.
Most prescribed
- Rosuvastatin Calcium176 claims
- Levothyroxine Sodium158 claims
- Spironolactone153 claims
- Atorvastatin Calcium150 claims
- Gabapentin145 claims
- Tamsulosin Hcl137 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
- Summit Medical Group West FloridaLargo, FL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Andrew Hayslett among 10,151 internal medicine physician records in Florida
Andrew Hayslett, D.O. 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 2009, is newer than 56% of them.
- NPI issued2009 · 56% of these records are older, 42% newer
- In a Medicare fileYes · 84% of these records are
- In the CMS Doctors and Clinicians fileYes · 65% of these records are
- Graduated2009 · median 2004 among the 6,606 with a school on file
- Record last updated2026 · 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).
96 internal medicine physician records list a practice address in Largo
They are 96 of the 2,280 NPPES records with a practice address in Largo, and 10,151 internal medicine physician records in Florida.
All 10,151 in Florida → Every provider in Largo → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Carol Ann Cobb, M.D.Largo, FL 337701710014212
- Geoffrey Greene, M.D.Largo, FL 337701902834864
- Linda Hayslett, D.O.Largo, FL 337701295069847
- Joseph Namey, D.O.Largo, FL 337701871582882
- Kirti Patel, MDLargo, FL 337701487661047
- Carla Renaldo, D.O.Largo, FL 337701649598111
- John Rinde, MDLargo, FL 337701477598126
- James Rivenbark, M.D.Largo, FL 337701013945955
Common questions
What is Andrew Hayslett, D.O.'s NPI number?
Andrew Hayslett, D.O.'s National Provider Identifier (NPI) is 1669705083, issued on Sep 16, 2009. An NPI identifies a provider in billing; it is not a license.
Where is Andrew Hayslett, D.O. located?
The NPPES record lists a practice address at 1559 Indian Rocks RD S, Largo, FL, 33770. Phone: (727) 683-8800. Providers update this record themselves, so call before visiting.
How can I verify Andrew Hayslett, D.O.'s license?
NPPES lists Florida license number OS11671, 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 Andrew Hayslett, D.O. prescribe under Medicare Part D?
In 2024, Andrew Hayslett, D.O. had 5,408 Medicare Part D claims for 132 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.