Gregory Alexander Sylvia, PA
Physician Assistant · Crystal River, FL
Gregory Alexander Sylvia, PA is a physician assistant with a practice address in Crystal River, Florida, and NPI 1629326293, issued on Aug 29, 2012. Check the license (Florida PA9106707, as entered in NPPES) on the Florida health license search; the Medicare figures below come from public CMS files.
- Name
- Gregory Alexander Sylvia
- Credential
- PA
- Primary taxonomy
- Physician Assistant 363A00000X
- License number
- PA9106707 FL
Self-reported in NPPES; status is on the state search - Practice location
- 1669 SE US Highway 19, Crystal River, FL 34429
- Phone
- (352) 699-2040
- Enumerated
- Aug 29, 2012
- Record last updated
- Oct 4, 2024
- Medicaid ID
- 006599600 FL
- Medicare enrollment
- Enrolled (PECOS I20120926000232); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest physician assistant records → All 10,257 in Florida → Look up another NPI →
Also registered at 1669 SE US Highway 19
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Olga Maric, MDInternal Medicine Physician1972581361
- Srinivas Sanka, DOInternal Medicine Physician1205809217
Verify Gregory Alexander Sylvia in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersFlorida health license search
Search for license PA9106707Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
10.0 times the Medicare Part D claims of the average physician assistant in 2024
8,271 Medicare Part D claims for 649 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims. 230 claims were for opioids.
Most prescribed
- Atorvastatin Calcium347 claims
- Lisinopril295 claims
- Levothyroxine Sodium288 claims
- Alprazolam231 claims
- Omeprazole218 claims
- Albuterol Sulfate Hfa212 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: $72.84
3 payments; by number, the most common kind was food and beverage; the largest payer was GlaxoSmithKline, LLC. The 64,719 providers of this specialty with any payment received $841.65 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
- Access Health Care Physicians LLCInverness, FL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Gregory Alexander Sylvia among 10,257 physician assistant records in Florida
Gregory Alexander Sylvia, PA is one of 10,257 physician assistant records with a practice address in Florida. 77% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2012, is newer than 30% of them.
- NPI issued2012 · 30% of these records are older, 67% newer
- In a Medicare fileYes · 77% of these records are
- In the CMS Doctors and Clinicians fileYes · 57% of these records are
- Graduated2012 · median 2018 among the 5,867 with a school on file
- Record last updated2024 · 37% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363A00000X and a Florida practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
11 physician assistant records list a practice address in Crystal River
They are 11 of the 437 NPPES records with a practice address in Crystal River, and 10,257 physician assistant records in Florida.
All 10,257 in Florida → Every provider in Crystal River → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
- Kristen Fisher, PACrystal River, FL 344291811324114
- Marisa HuchroCrystal River, FL 344291265397855
- Gretchen Kronenthal, PA-CCrystal River, FL 344291144299579
- Darrin McGhan, P.A.Crystal River, FL 344291366437535
- Alexei Polk, PA-CCrystal River, FL 344291972007003
- Jeanna Smith, PA-CCrystal River, FL 344291679568356
- Dennise StaabCrystal River, FL 344291548641244
- Lauren StarnesCrystal River, FL 344291891192043
Common questions
What is Gregory Alexander Sylvia, PA's NPI number?
Gregory Alexander Sylvia, PA's National Provider Identifier (NPI) is 1629326293, issued on Aug 29, 2012. An NPI identifies a provider in billing; it is not a license.
Where is Gregory Alexander Sylvia, PA located?
The NPPES record lists a practice address at 1669 SE US Highway 19, Crystal River, FL, 34429. Phone: (352) 699-2040. Providers update this record themselves, so call before visiting.
How can I verify Gregory Alexander Sylvia, PA's license?
NPPES lists Florida license number PA9106707, 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 Gregory Alexander Sylvia, PA prescribe under Medicare Part D?
In 2024, Gregory Alexander Sylvia, PA had 8,271 Medicare Part D claims for 649 beneficiaries; the average among physician assistant prescribers was 830. 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.