George Marc Nackley, DO
Emergency Medicine Physician · Sarasota, FL
George Marc Nackley, DO is an emergency medicine physician with a practice address in Sarasota, Florida, and NPI 1558941732, issued on Apr 12, 2021. Check the license (Florida 20301, as entered in NPPES) on the Florida health license search; the Medicare figures below come from public CMS files.
- Name
- George Marc Nackley
- Credential
- DO
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- 20301 FL
Self-reported in NPPES; status is on the state search - Practice location
- 1700 S Tamiami Trl, Sarasota, FL 34239
- Phone
- (941) 917-2041
- Enumerated
- Apr 12, 2021
- Record last updated
- Jun 27, 2025
- Medicare enrollment
- Enrolled (PECOS I20240327001501); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 4,034 in Florida → Look up another NPI →
Also registered at 1700 S Tamiami Trl
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- John Abu, MDObstetrics & Gynecology Physician1104890094
- Anas Abu JadStudent in an Organized Health Care Education/Training Program1588553812
- Rodes Ackerman, PHARMDPharmacist1003638537
- Harold Ackerstein, MDDiagnostic Radiology Physician1912988585
Verify George Marc Nackley in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersFlorida health license search
Search for license 20301Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
5% fewer Medicare Part D claims than the average emergency medicine physician in 2024
215 Medicare Part D claims for 187 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. 27 claims were for opioids.
Most prescribed
- Cephalexin36 claims
- Prednisone26 claims
- Hydrocodone-Acetaminophen23 claims
- Amoxicillin-Clavulanate Potass19 claims
- Azithromycin15 claims
- Sulfamethoxazole-Trimethoprim12 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: $14.86
1 payment: food and beverage; the largest payer was Inari Medical, Inc. The 12,335 providers of this specialty with any payment received $953.79 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
- Global Physician Network LLC Series IISarasota, FL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
George Marc Nackley among 4,034 emergency medicine physician records in Florida
George Marc Nackley, DO is one of 4,034 emergency 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 88% of them.
- NPI issued2021 · 88% of these records are older, 7% newer
- In a Medicare fileYes · 84% of these records are
- In the CMS Doctors and Clinicians fileYes · 55% of these records are
- Graduated2021 · median 2013 among the 2,199 with a school on file
- Record last updated2025 · 56% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a Florida practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
67 emergency medicine physician records list a practice address in Sarasota
They are 67 of the 6,548 NPPES records with a practice address in Sarasota, and 4,034 emergency medicine physician records in Florida.
All 4,034 in Florida → Every provider in Sarasota → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Jose Avila, MDSarasota, FL 342391932183027
- Dean Christensen, MDSarasota, FL 342391659356293
- James Derespino, MDSarasota, FL 342391861477416
- Brian Garby, MDSarasota, FL 342391396729588
- Joel Gerber, MDSarasota, FL 342391528042710
- Reuben Holland, MDSarasota, FL 342391457335648
- Mark Johnson, MDSarasota, FL 342391588639520
- Steven Kamm, MDSarasota, FL 342391750365938
Common questions
What is George Marc Nackley, DO's NPI number?
George Marc Nackley, DO's National Provider Identifier (NPI) is 1558941732, issued on Apr 12, 2021. An NPI identifies a provider in billing; it is not a license.
Where is George Marc Nackley, DO located?
The NPPES record lists a practice address at 1700 S Tamiami Trl, Sarasota, FL, 34239. Phone: (941) 917-2041. Providers update this record themselves, so call before visiting.
How can I verify George Marc Nackley, DO's license?
NPPES lists Florida license number 20301, 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 George Marc Nackley, DO prescribe under Medicare Part D?
In 2024, George Marc Nackley, DO had 215 Medicare Part D claims for 187 beneficiaries; the average among emergency medicine physician prescribers was 226. 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.