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ELIZABETH J ISALGUEZ MD
NPI 1639304470
Internal Medicine in Key West, FL

Active since May 22, 2009PECOS EnrolledAccepts Medicare Assignment
99.93/100
CMS Quality Rating
3224 N ROOSEVELT BLVD, KEY WEST, FL 33040(305) 292-5877 Get Directions Write a Review

NPPES record last updated: February 12, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Dec 15, 2023, Sep 14, 2020, Apr 16, 2019 and 1 more (4 updates tracked since 2016).

About Elizabeth J Isalguez Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

ELIZABETH J ISALGUEZ MD (NPI 1639304470) is an individual internal medicine provider in Key West, Florida, licensed in Florida (ME101818) and active in the NPI registry since May 2009. She is enrolled in Medicare PECOS, is affiliated with Hca Florida Mercy Hospital, and maintains a secondary practice location in Sarasota.

NPPES Registry Identity

NPI1639304470
Entity TypeIndividualFemale
Primary Taxonomy207R00000X
Provider Legal NameELIZABETH J ISALGUEZCredential: MD
Location Address3224 N ROOSEVELT BLVDKey West, FL 33040-4114
Mailing AddressKeys Medical Group, 1200 Kennedy DrKey West, FL 33040 · (305) 292-5877 · Fax (305) 292-5862
Phone(305) 292-5877
Sole ProprietorNo
Medical School CMSOtherGraduated 2000
Enumeration DateMay 22, 2009
Last NPPES UpdateFebruary 12, 20264 updates tracked since enumeration
NPPES CertifiedSeptember 14, 2020
✔ NPI 1639304470 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in FL · ME101818
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
3224 N ROOSEVELT BLVD, Key West, FL 33040
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Secondary Practice Location 1

Location 11700 S Tamiami TrlSarasota, FL 34239-3509 · Phone (941) 917-4896 · Fax (941) 917-6884

Other Identifiers 2

Medicaid006814800FL
Medicaid000596300FL

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Florida Blue (BlueCross BlueShield FL), Oscar Health Maintenance Organization of Florida, Oscar Insurance Company.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Elizabeth J Isalguez Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID8325196165
PECOS Enrollment IDI20090504000634
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 6

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233
Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.
114 services67 patients
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232
Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.
87 services53 patients
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223
Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.
49 services49 patients
Hospital discharge day management, 30 minutes or less 99238
Hospital discharge day management of 30 minutes or less includes finalizing your treatment, discussing your progress, and planning after-care at home. It ensures you're ready to leave the hospital and continue recovery safely.
30 services30 patients
Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
24 services21 patients
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 99222
Initial hospital inpatient care is a service where a healthcare provider spends about 50 minutes per day overseeing your care while you're admitted in the hospital. This includes reviewing your health status, planning your treatment, and ensuring your safety and comfort.
23 services23 patients

Hospital Affiliations CMS Care Compare 5

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Hca Florida Mercy Hospital

Acute Care Hospitals · Miami, FL
1/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number100167
Location3663 S Miami AveMiami, FL 33133 · Miami-Dade County
Emergency services Birthing friendly

Hca Florida Lawnwood Hospital

Acute Care Hospitals · Fort Pierce, FL
1/5 CMS rating
OwnershipProprietary
CMS Certification Number100246
Location1700 S 23rd StFort Pierce, FL 34950 · St. Lucie County
Emergency services Birthing friendly

Doctors Hospital

Acute Care Hospitals · Coral Gables, FL
5/5 CMS rating
OwnershipVoluntary non-profit - Other
CMS Certification Number100296
Location5000 University DrCoral Gables, FL 33146 · Miami-Dade County
Emergency services

West Kendall Baptist Hospital

Acute Care Hospitals · Miami, FL
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number100314
Location9555 SW 162 AveMiami, FL 33196 · Miami-Dade County
Emergency services Birthing friendly

Hendry Regional Medical Center

Critical Access Hospitals · Clewiston, FL
OwnershipVoluntary non-profit - Other
CMS Certification Number101309
Location524 W Sagamore AveClewiston, FL 33440 · Hendry County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 33040 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$141.56 typical visit price
range $60.92 – $187.05
Typical copayment $35.39 (range $15.23 – $46.76)
Most-billed visit code 99204
Established Patient
$107.17 typical visit price
range $18.99 – $150.24
Typical copayment $26.79 (range $4.74 – $37.56)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

99.93/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored through an Alternative Payment Model
Quality84.3
Promoting Interoperability100
Improvement Activities40

Other Providers at the Same Location NPPES 3

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

DR. MARYE L MCCROSKEY MD
Family Medicine
3224 N ROOSEVELT BLVD
KEY WEST, FL 33040
Monroe County (305) 292-5877
LISA D BENFIELD NURSE PRACTITIONER
Nurse Practitioner (Family)
3224 N ROOSEVELT BLVD
KEY WEST, FL 33040
Monroe County (305) 294-8441
KEY WEST HMA PHYSICIAN MANAGEMENT LLC
Internal Medicine
3224 N ROOSEVELT BLVD
KEY WEST, FL 33040
Monroe County (305) 293-4073

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Elizabeth Isalguez's NPI number?

The NPI number for Elizabeth Isalguez is 1639304470. It was assigned to this individual provider in the NPPES registry on May 22, 2009.

Where is Elizabeth Isalguez located?

Elizabeth Isalguez practices at 3224 N Roosevelt Blvd, Key West, FL 33040. The listed phone number is (305) 292-5877.

What is Elizabeth Isalguez's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Elizabeth Isalguez enrolled in Medicare?

Yes. Elizabeth Isalguez is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

What insurance does Elizabeth Isalguez accept?

Health plans from Florida Blue (BlueCross BlueShield FL), Oscar Health Maintenance Organization of Florida and Oscar Insurance Company list Elizabeth Isalguez as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Elizabeth Isalguez affiliated with any hospitals?

According to CMS data, Elizabeth Isalguez is affiliated with Hca Florida Mercy Hospital, Hca Florida Lawnwood Hospital, Doctors Hospital, West Kendall Baptist Hospital and Hendry Regional Medical Center.

When was this NPI record last updated?

The NPPES record for Elizabeth Isalguez was last updated on February 12, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.