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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

MS. MICHELLE CASSANDRA MARTINEZ
NPI 1336864362
Nurse Practitioner - Acute Care in St Augustine, FL

Active since October 12, 2022PECOS EnrolledAccepts Medicare Assignment
400 HEALTH PARK BLVD, ST AUGUSTINE, FL 32086(904) 819-5155 Get Directions Write a Review

NPPES record last updated: July 10, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Jul 10, 2026, Oct 12, 2022 (2 updates tracked since 2022).

About Ms. Michelle Cassandra Martinez NPPES

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

MS. MICHELLE CASSANDRA MARTINEZ (NPI 1336864362) is an individual acute care provider in St Augustine, Florida, licensed in Florida (APRN11022125) and active in the NPI registry since October 2022. She is enrolled in Medicare PECOS, is affiliated with Flagler Hospital, and is a graduate of Other (2021).

NPPES Registry Identity

NPI1336864362
Entity TypeIndividualFemale
Primary Taxonomy363LA2100X
Provider Legal NameMS. MICHELLE CASSANDRA MARTINEZ
Location Address400 HEALTH PARK BLVDSt Augustine, FL 32086-5784
Mailing AddressPo Box 100225Gainesville, FL 32610-0225 · (352) 273-8737
Phone(904) 819-5155
Sole ProprietorNo
Medical School CMSOtherGraduated 2021
Enumeration DateOctober 12, 2022
Last NPPES UpdateJuly 10, 20262 updates tracked since enumeration
NPPES CertifiedJuly 10, 2026
✔ NPI 1336864362 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · Acute CarePhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LA2100X
License✔ Licensed in FL · APRN11022125
400 HEALTH PARK BLVD, St Augustine, FL 32086
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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

Ms. Michelle Cassandra Martinez 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 ID3375901499
PECOS Enrollment IDI20230622001465
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 3

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.

Critical care, first 30-74 minutes 99291
Critical care involves immediate and constant attention by a team of specially-trained health professionals. It's for patients with life-threatening conditions, requiring first 30-74 minutes of intense monitoring and treatment.
69 services57 patients
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.
57 services52 patients
Critical care, each additional 30 minutes 99292
Critical care refers to special attention given to patients facing life-threatening conditions. Each additional 30 minutes indicates the extension of this specialized care. This might include close monitoring, medication adjustments, and immediate interventions as needed.
27 services16 patients

Hospital Affiliations CMS Care Compare

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

Flagler Hospital

Acute Care Hospitals · Saint Augustine, FL
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number100090
Location400 Health Park BlvdSaint Augustine, FL 32086 · St. Johns County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 32086 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
$87.62 typical visit price
range $56.00 – $171.84
Typical copayment $21.90 (range $14.00 – $42.96)
Most-billed visit code 99203
Established Patient
$99.16 typical visit price
range $17.57 – $139.16
Typical copayment $24.79 (range $4.39 – $34.79)
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.

Other Providers at the Same Location NPPES 20

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

HEATHER LESHANE P.T.
Physical Therapist
400 HEALTH PARK BLVD
SAINT AUGUSTINE, FL 32086
St. Johns County (904) 819-4374
MANDANA DAVANI M.D.
Radiology (Diagnostic Radiology)
400 HEALTH PARK BLVD, ATTN: RADIOLOGY DEPARTMENT
SAINT AUGUSTINE, FL 32086
St. Johns County (904) 819-4398
DAVID S GOINS PA
Physician Assistant
400 HEALTH PARK BLVD
ST AUGUSTINE, FL 32086
St. Johns County (904) 826-4700
TERESA M MAZUR MD
Emergency Medicine
400 HEALTH PARK BLVD
ST AUGUSTINE, FL 32086
St. Johns County (904) 826-4700
RIPP A SMITH M.D.
Radiology (Diagnostic Radiology)
400 HEALTH PARK BLVD, ATTN: ST. JOHNS RADIOLOGY ASSOCIATES
ST AUGUSTINE, FL 32086
St. Johns County (904) 819-4398
HOSPITALIST MEDICINE PHYSICIANS OF MISSISSIPPI-TCS, INC.
Internal Medicine
400 HEALTH PARK BLVD
ST AUGUSTINE, FL 32086
St. Johns County (615) 377-5658
MR. GARY WAYNE CATER D.O.
Pediatrics (Neonatal-Perinatal Medicine)
400 HEALTH PARK BLVD
ST AUGUSTINE, FL 32086
St. Johns County (904) 819-4478
EMILY MCCARTHY
Nurse Anesthetist, Certified Registered
400 HEALTH PARK BLVD
ST AUGUSTINE, FL 32086
St. Johns County (904) 819-5155

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 Michelle Martinez's NPI number?

The NPI number for Michelle Martinez is 1336864362. It was assigned to this individual provider in the NPPES registry on October 12, 2022.

Where is Michelle Martinez located?

Michelle Martinez practices at 400 Health Park Blvd, St Augustine, FL 32086. The listed phone number is (904) 819-5155.

What is Michelle Martinez's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Acute Care, with taxonomy code 363LA2100X.

Is Michelle Martinez enrolled in Medicare?

Yes. Michelle Martinez 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.

Is Michelle Martinez affiliated with any hospitals?

According to CMS data, Michelle Martinez is affiliated with Flagler Hospital.

When was this NPI record last updated?

The NPPES record for Michelle Martinez was last updated on July 10, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 39 days 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.