George Joseph Nassif, D.O.
Colon & Rectal Surgery Physician · Altamonte Springs, FL
George Joseph Nassif, D.O. is a colon & rectal surgery physician with a practice address in Altamonte Springs, Florida, and NPI 1942590393, issued on Apr 19, 2011. Check the license (Florida OS11639, as entered in NPPES) on the Florida health license search; the Medicare figures below come from public CMS files.
- Name
- George Joseph Nassif
- Credential
- D.O.
- Primary taxonomy
- Colon & Rectal Surgery Physician 208C00000X
- License numbers
- OS11639 FL
OS014190 PA
Self-reported in NPPES; status is on the state search - Practice location
- 661 E Altamonte Dr, Altamonte Springs, FL 32701
- Phone
- (407) 303-5191
- Enumerated
- Apr 19, 2011
- Record last updated
- May 21, 2013 (not updated in 13 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20130723001028); accepts Medicare assignment
- Medical or professional school
- Lake Erie College Of Osteopathic Medicine, Erie, 2005
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest colon & rectal surgery physician records → All 178 in Florida → Look up another NPI →
Also registered at 661 E Altamonte Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Jennifer Agostini, PA-CMedical Physician Assistant1922046887
- Matthew Albert, MDColon & Rectal Surgery Physician1699729244
- Jose Arias Jr., MDAllergy & Immunology Physician1194791202
- Andrew Bagg, MDAllergy & Immunology Physician1962588053
- Andrew Braunstein, MDSurgery Physician1235122565
- John Burke, MD, PHDStudent in an Organized Health Care Education/Training Program1316355563
Verify George Joseph Nassif in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersFlorida health license search
Search for license OS11639Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
82% fewer Medicare Part D claims than the average colon & rectal surgery physician in 2024
34 Medicare Part D claims for 18 beneficiaries, against an average of 192 among the 1,836 providers of this specialty who prescribed in Part D.
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.
The practice group's MIPS final score for 2023 (Medicare payment program): 78 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $4,596.21
14 payments; by number, the most common kind was food and beverage; the largest payer was Applied Medical Resources Corporation. The 1,524 providers of this specialty with any payment received $3,468.16 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
- Florida Hospital Medical Group IncMaitland, FL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
George Joseph Nassif among 178 colon & rectal surgery physician records in Florida
George Joseph Nassif, D.O. is one of 178 colon & rectal surgery physician records with a practice address in Florida. 86% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2011, is newer than 66% of them.
- NPI issued2011 · 66% of these records are older, 27% newer
- In a Medicare fileYes · 86% of these records are
- In the CMS Doctors and Clinicians fileYes · 76% of these records are
- Graduated2005 · median 2004 among the 136 with a school on file
- Record last updated2013 · 58% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208C00000X and a Florida practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Colon & Rectal Surgery Physician providers in Florida
There are 178 colon & rectal surgery physician records in Florida.
All 178 in Florida → Every provider in Altamonte Springs → Colon & Rectal Surgery Physician nationwide →
The 8 colon & rectal surgery physician records with the nearest ZIP codes
- Matthew Albert, MDAltamonte Springs, FL 327011699729244
- Justin Kelly, MDAltamonte Springs, FL 327011477906915
- Mark Soliman, M.D.Altamonte Springs, FL 327011902072663
- Sriram Rangarajan, M.D.Lake Mary, FL 327461063814861
- Daniel Galante, D.O.Winter Park, FL 327921841583572
- Jacqueline Kaiser, MDWinter Park, FL 327921255511721
- Ahsan Raza, MDGainesville, FL 326101477835908
- Radhika Smith, MDWinter Park, FL 327921922310481
Common questions
What is George Joseph Nassif, D.O.'s NPI number?
George Joseph Nassif, D.O.'s National Provider Identifier (NPI) is 1942590393, issued on Apr 19, 2011. An NPI identifies a provider in billing; it is not a license.
Where is George Joseph Nassif, D.O. located?
The NPPES record lists a practice address at 661 E Altamonte Dr, Altamonte Springs, FL, 32701. Phone: (407) 303-5191. Providers update this record themselves, so call before visiting.
How can I verify George Joseph Nassif, D.O.'s license?
NPPES lists Florida license number OS11639, 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 Joseph Nassif, D.O. prescribe under Medicare Part D?
In 2024, George Joseph Nassif, D.O. had 34 Medicare Part D claims for 18 beneficiaries; the average among colon & rectal surgery physician prescribers was 192. Part D covers Medicare prescriptions only.
What is George Joseph Nassif, D.O.'s MIPS final score?
The 2023 MIPS final score is 78 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.