Gregory J. Alfred, M.D.
Undersea and Hyperbaric Medicine (Preventive Medicine) Physician · Miami, FL
Gregory J. Alfred, M.D. is an undersea and hyperbaric medicine (preventive medicine) physician with a practice address in Miami, Florida, and NPI 1164476313, issued on May 20, 2006. Check the license (Florida ME99486, as entered in NPPES) on the Florida health license search; the Medicare figures below come from public CMS files.
- Name
- Gregory J. Alfred
- Credential
- M.D.
- Primary taxonomy
- Undersea and Hyperbaric Medicine (Preventive Medicine) Physician 2083P0011X
- License numbers
- ME99486 FL
A79311 CA
Self-reported in NPPES; status is on the state search - Practice location
- 11750 SW 40TH St, Miami, FL 33175
- Phone
- (305) 227-5544
- Enumerated
- May 20, 2006
- Record last updated
- Apr 25, 2024
- Medicare enrollment
- Enrolled (PECOS I20071029000702); accepts Medicare assignment
- Medical or professional school
- Icahn School Of Medicine At Mount Sinai, 2000
- Entity
- Type 1 · individual
8 nearest undersea and hyperbaric medicine (preventive medicine) physician records → All 39 in Florida → Look up another NPI →
Also registered at 11750 SW 40TH St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Elizabeth Abram, MDEmergency Medicine Physician1285927319
- Maria Abreu Sanchez, APRNFamily Nurse Practitioner1396506150
- David Aguilar, MDStudent in an Organized Health Care Education/Training Program1154180305
- Uyi Aideyan, M.D.Internal Medicine Physician1437406386
- Jose Alvarado-De Castro, DOStudent in an Organized Health Care Education/Training Program1124720800
- Christina Alvarez, MDStudent in an Organized Health Care Education/Training Program1578140422
Verify Gregory J. Alfred in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersFlorida health license search
Search for license ME99486Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
29% fewer Medicare Part D claims than the average undersea and hyperbaric medicine (preventive medicine) physician in 2024
220 Medicare Part D claims for 145 beneficiaries, against an average of 308 among the 148 providers of this specialty who prescribed in Part D. Brand-name drugs were 6% of claims.
Most prescribed
- Doxycycline Hyclate14 claims
- Amoxicillin-Clavulanate Potass13 claims
- Cefdinir12 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 84.3 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: $95.51
4 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. The 120 providers of this specialty with any payment received $4,669.64 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 3 group practices
- Emergency Medicine Services OF FL LLCAventura, FL
- Hyperbaric Associates OF South Florida LLCMiami, FL
- Sterling Emergency Services OF Miami Beach PAMiami, FL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Gregory J. Alfred among 39 undersea and hyperbaric medicine (preventive medicine) physician records in Florida
Gregory J. Alfred, M.D. is one of 39 undersea and hyperbaric medicine (preventive medicine) physician records with a practice address in Florida. 72% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 8% of them.
- NPI issued2006 · 8% of these records are older, 41% newer
- In a Medicare fileYes · 72% of these records are
- In the CMS Doctors and Clinicians fileYes · 56% of these records are
- Graduated2000 · median 1998 among the 21 with a school on file
- Record last updated2024 · 41% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2083P0011X and a Florida practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Undersea and Hyperbaric Medicine (Preventive Medicine) Physician providers in Florida
There are 39 undersea and hyperbaric medicine (preventive medicine) physician records in Florida.
All 39 in Florida → Every provider in Miami → Undersea and Hyperbaric Medicine (Preventive Medicine) Physician nationwide →
The 8 undersea and hyperbaric medicine (preventive medicine) physician records with the nearest ZIP codes
- Alicia Van DorenMiami, FL 331751700268430
- Luis Matos, MD, MPHMiami, FL 331361407812761
- Eliot Slater, M.DFt Lauderdale, FL 333061447536305
- Blane Shatkin, MDPembroke Pines, FL 330241215955653
- Safa Maklad, M.D.Hollywood, FL 330201598924219
- Lauren Romeo, MDCocoa Beach, FL 329311013027259
- Paul Buza, D.O.Melbourne, FL 329011629120373
- Tyler Sexton, M.D.Melbourne, FL 329011356607857
Common questions
What is Gregory J. Alfred, M.D.'s NPI number?
Gregory J. Alfred, M.D.'s National Provider Identifier (NPI) is 1164476313, issued on May 20, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Gregory J. Alfred, M.D. located?
The NPPES record lists a practice address at 11750 SW 40TH St, Miami, FL, 33175. Phone: (305) 227-5544. Providers update this record themselves, so call before visiting.
How can I verify Gregory J. Alfred, M.D.'s license?
NPPES lists Florida license number ME99486, 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 J. Alfred, M.D. prescribe under Medicare Part D?
In 2024, Gregory J. Alfred, M.D. had 220 Medicare Part D claims for 145 beneficiaries; the average among undersea and hyperbaric medicine (preventive medicine) physician prescribers was 308. Part D covers Medicare prescriptions only.
What is Gregory J. Alfred, M.D.'s MIPS final score?
The 2023 MIPS final score is 84.3 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.