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DR. SARA MARGARITA RUIZ AGUINAGA MD
NPI 1306423645
Internal Medicine in Stuart, FL

Active since March 24, 2021PECOS EnrolledAccepts Medicare Assignment
200 SE HOSPITAL AVE # 2346, STUART, FL 34994(772) 287-5200 Get Directions Write a Review

NPPES record last updated: July 25, 2024. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Jul 25, 2024, Jun 12, 2024, Mar 24, 2021 (3 updates tracked since 2021).

About Dr. Sara Margarita Ruiz Aguinaga Md NPPES

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

DR. SARA MARGARITA RUIZ AGUINAGA MD (NPI 1306423645) is an individual internal medicine provider in Stuart, Florida, licensed in Florida (ME168155) and active in the NPI registry since March 2021. She is enrolled in Medicare PECOS, is affiliated with Cleveland Clinic Martin North Hospital, and is a graduate of Other (2021).

NPPES Registry Identity

NPI1306423645
Entity TypeIndividualFemale
Primary Taxonomy207R00000X
Provider Legal NameDR. SARA MARGARITA RUIZ AGUINAGACredential: MD
Location Address200 SE HOSPITAL AVE # 2346Stuart, FL 34994-2346
Mailing Address200 Se Hospital Ave # 2346Stuart, FL 34994-2346
Phone(772) 287-5200
Sole ProprietorNo
Medical School CMSOtherGraduated 2021
Enumeration DateMarch 24, 2021
Last NPPES UpdateJuly 25, 20243 updates tracked since enumeration
NPPES CertifiedJuly 25, 2024
✔ NPI 1306423645 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 · ME168155
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.
200 SE HOSPITAL AVE # 2346, Stuart, FL 34994
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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Cigna Healthcare, Cigna HealthCare of Florida, Inc., Florida Blue (BlueCross BlueShield FL) and more.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Sara Margarita Ruiz Aguinaga 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 ID8022558469
PECOS Enrollment IDI20240911003931
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.

Medicare Billing Reassignment

Medicare enrollment records show Sara Ruiz Aguinaga reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Martin Memorial Medical Center Inc
Same address
General Acute Care Hospital
200 SE HOSPITAL AVE
Stuart, FL 34994
  • Reassigned Medicare billing, Florida enrollment
  • 602 clinicians in this Medicare group
NPI 1194790055 (772) 287-5200

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 4

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 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.
157 services70 patients
Hospital discharge day management, more than 30 minutes 99239
Hospital discharge day management over 30 minutes involves a detailed process to ensure a smooth transition from hospital to home. It includes final examinations, discussion of your hospital stay, post-discharge instructions, and coordinating follow-up care.
57 services57 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.
21 services21 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.
17 services11 patients

Hospital Affiliations CMS Care Compare

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

Cleveland Clinic Martin North Hospital

Acute Care Hospitals · Stuart, FL
2/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number100044
Location200 SE Hospital AveStuart, FL 34994 · Martin County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 34994 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
$135.56 typical visit price
range $58.56 – $179.05
Typical copayment $33.89 (range $14.64 – $44.76)
Most-billed visit code 99204
Established Patient
$103.21 typical visit price
range $18.44 – $144.68
Typical copayment $25.80 (range $4.61 – $36.17)
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.

BERNNY FELIX SALADIN MD
Internal Medicine
200 SE HOSPITAL AVE # 2346
STUART, FL 34994
Martin County (772) 287-5200
DR. SAJITH FOUSTIN JOSEPH MD
Internal Medicine
200 SE HOSPITAL AVE # 2346
STUART, FL 34994
Martin County (772) 287-5200
MERLIN CHUMMAR
Physician Assistant
200 SE HOSPITAL AVE # 2346
STUART, FL 34994
Martin County (813) 961-5201
BLAKE MENDEZ
Physician Assistant (Surgical)
200 SE HOSPITAL AVE # 2346
STUART, FL 34994
Martin County (330) 754-5927
MICHELLE CHEUNG DO
Internal Medicine
200 SE HOSPITAL AVE # 2346
STUART, FL 34994
Martin County (772) 287-5200
GABRIELLA MONIQUE MULLER MD
Family Medicine
200 SE HOSPITAL AVE # 2346
STUART, FL 34994
Martin County (772) 287-5200
ANIBAL IBANEZ MORA MD
Thoracic Surgery (Cardiothoracic Vascular Surgery)
200 SE HOSPITAL AVE # 2346
STUART, FL 34994
Martin County (772) 287-5200
FACUNDO DAVARO
Urology
200 SE HOSPITAL AVE # 2346
STUART, FL 34994
Martin County (772) 287-5200

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 Sara Ruiz Aguinaga's NPI number?

The NPI number for Sara Ruiz Aguinaga is 1306423645. It was assigned to this individual provider in the NPPES registry on March 24, 2021.

Where is Sara Ruiz Aguinaga located?

Sara Ruiz Aguinaga practices at 200 SE Hospital Ave # 2346, Stuart, FL 34994. The listed phone number is (772) 287-5200.

What is Sara Ruiz Aguinaga's specialty?

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

Is Sara Ruiz Aguinaga enrolled in Medicare?

Yes. Sara Ruiz Aguinaga 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.

Which organization bills Medicare for Sara Ruiz Aguinaga's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Sara Ruiz Aguinaga reassigns Medicare benefits to Martin Memorial Medical Center Inc (Stuart, FL). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Sara Ruiz Aguinaga's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Sara Ruiz Aguinaga accept?

Health plans from Cigna HealthCare of Florida, Inc., Cigna Healthcare, Florida Blue (BlueCross BlueShield FL) and Florida Blue HMO (a BlueCross BlueShield FL company) list Sara Ruiz Aguinaga 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 Sara Ruiz Aguinaga affiliated with any hospitals?

According to CMS data, Sara Ruiz Aguinaga is affiliated with Cleveland Clinic Martin North Hospital.

When was this NPI record last updated?

The NPPES record for Sara Ruiz Aguinaga was last updated on July 25, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 years 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.