Elizabeth J. Isalguez, MD
Internal Medicine Physician · Key West, FL
Elizabeth J. Isalguez, MD is an internal medicine physician with a practice address in Key West, Florida, and NPI 1639304470, issued on May 22, 2009. Check the license (Florida ME101818, as entered in NPPES) on the Florida health license search; the Medicare figures below come from public CMS files.
- Name
- Elizabeth J. Isalguez
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- ME101818 FL
Self-reported in NPPES; status is on the state search - Practice location
- 3224 N Roosevelt Blvd, Key West, FL 33040
- Phone
- (305) 292-5877
- Enumerated
- May 22, 2009
- Record last updated
- Feb 12, 2026
- Medicaid IDs
- 006814800 FL
000596300 FL - Medicare enrollment
- Enrolled (PECOS I20090504000634); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 10,151 in Florida → Look up another NPI →
Also registered at 3224 N Roosevelt Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Lisa Benfield, NURSE PRACTITIONERFamily Nurse Practitioner1740267913
- Marye McCroskey, MDFamily Medicine Physician1104903277
Verify Elizabeth J. Isalguez in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersFlorida health license search
Search for license ME101818Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
89% fewer Medicare Part D claims than the average internal medicine physician in 2024
354 Medicare Part D claims for 116 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims. 15 claims were for opioids.
Most prescribed
- Levothyroxine Sodium27 claims
- Omeprazole20 claims
- Amlodipine Besylate13 claims
- Metoprolol Tartrate13 claims
- Atorvastatin Calcium12 claims
- Prazosin Hcl12 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 MIPS final score for 2023 (Medicare payment program): 99.9 of 100
The Merit-based Incentive Payment System score is reported for this clinician. 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; category weights for 2023 (qpp.cms.gov).
Bills Medicare through 3 group practices
- Baptist Health Medical Group Physicians LLCMiami, FL
- Hospital Innovation Physicians LLCClewiston, FL
- Hospital Medicine Services OF FL, LLCAventura, FL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Elizabeth J. Isalguez among 10,151 internal medicine physician records in Florida
Elizabeth J. Isalguez, MD 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
- Graduated2000 · 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).
16 internal medicine physician records list a practice address in Key West
They are 16 of the 682 NPPES records with a practice address in Key West, and 10,151 internal medicine physician records in Florida.
All 10,151 in Florida → Every provider in Key West → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Mehmet Atilla, M.D.Key West, FL 330401396778510
- John Calleja, MDKey West, FL 330401346392164
- Jennifer Charity, MDKey West, FL 330401568439404
- Jerome Covington, M.D.Key West, FL 330401306811005
- Kathleen Filiaggi, M.D.Key West, FL 330401720070295
- Elias Gerth, M.D.Key West, FL 330401235164740
- David Hauge, M.D.Key West, FL 330401831138924
- Timothy Mackey, D.O.Key West, FL 330401730235797
Common questions
What is Elizabeth J. Isalguez, MD's NPI number?
Elizabeth J. Isalguez, MD's National Provider Identifier (NPI) is 1639304470, issued on May 22, 2009. An NPI identifies a provider in billing; it is not a license.
Where is Elizabeth J. Isalguez, MD located?
The NPPES record lists a practice address at 3224 N Roosevelt Blvd, Key West, FL, 33040. Phone: (305) 292-5877. Providers update this record themselves, so call before visiting.
How can I verify Elizabeth J. Isalguez, MD's license?
NPPES lists Florida license number ME101818, 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 Elizabeth J. Isalguez, MD prescribe under Medicare Part D?
In 2024, Elizabeth J. Isalguez, MD had 354 Medicare Part D claims for 116 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
What is Elizabeth J. Isalguez, MD's MIPS final score?
The 2023 MIPS final score is 99.9 of 100. 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.