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MARINA GUIRGUIS
NPI 1952765273
Internal Medicine in Clearwater, FL

Active since April 12, 2016PECOS EnrolledAccepts Medicare Assignment
2622 FLOURNOY CIR S APT 2408, CLEARWATER, FL 33764(304) 695-9330 Get Directions Write a Review

NPPES record last updated: January 9, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Jan 9, 2026, Dec 18, 2025, Dec 2, 2025 and 2 more (5 updates tracked since 2021).

About Marina Guirguis NPPES

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

MARINA GUIRGUIS (NPI 1952765273) is an individual internal medicine provider in Clearwater, Florida, licensed in Texas (S7669) and active in the NPI registry since April 2016. She is enrolled in Medicare PECOS, is affiliated with Ochsner Medical Center Acute, and is a graduate of Other (2017).

NPPES Registry Identity

NPI1952765273
Entity TypeIndividualFemale
Primary Taxonomy207R00000X
Provider Legal NameMARINA GUIRGUIS
Location Address2622 FLOURNOY CIR S APT 2408Clearwater, FL 33764-1417
Mailing Address505 Hidden BlvdMount Pleasant, SC 29464-8131 · (304) 695-9330
Phone(304) 695-9330
Sole ProprietorNo
Medical School CMSOtherGraduated 2017
Enumeration DateApril 12, 2016
Last NPPES UpdateJanuary 9, 20265 updates tracked since enumeration
NPPES CertifiedJanuary 9, 2026
✔ NPI 1952765273 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
Licenses✔ Licensed in TX · S7669✔ Licensed in LA · 348215✔ Licensed in FL · OS16753
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.
Also ListedHospitalistTaxonomy 208M00000X · License S7669 (TX)
2622 FLOURNOY CIR S APT 2408, Clearwater, FL 33764
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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross and Blue Shield of Texas, HMO Louisiana, Oscar Health 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

Marina Guirguis 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 ID3173897931
PECOS Enrollment IDI20220713001142, I20250520000665, I20251215003279
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 Reassignments

7

Medicare enrollment records show Marina Guirguis reassigns Medicare billing to 7 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Hilton Head Regional Physician Group LLC
314 mi
Family Medicine
375 HOPE POND WAY UNIT 107
Bluffton, SC 29910
  • Reassigned Medicare billing, South Carolina enrollment
  • 157 clinicians in this Medicare group
NPI 1306713755 (854) 235-2840
Belle Chasse Physician Services LLC
462 mi
Hospitalist
2500 BELLE CHASSE HWY
Terrytown, LA 70056
  • Reassigned Medicare billing, Louisiana enrollment
  • 417 clinicians in this Medicare group
NPI 1245653237 (800) 893-9698
Medical Foundation, Inc.
470 mi
Family Medicine
1314 19TH AVE
Meridian, MS 39301
  • Reassigned Medicare billing, Mississippi enrollment
  • 349 clinicians in this Medicare group
NPI 1609820539 (601) 703-3310
Velasco Inpatient Services PLLC
775 mi
Emergency Medicine
132 E HOSPITAL DR
Angleton, TX 77515
  • Reassigned Medicare billing, Texas enrollment
  • 37 clinicians in this Medicare group
NPI 1811295512 (954) 939-5000
Hospital Medicine Services Of Tx, PLLC
967 mi
Hospitalist
7700 FLOYD CURL DR
San Antonio, TX 78229
  • Reassigned Medicare billing, Texas enrollment
  • 681 clinicians in this Medicare group
NPI 1881392363 (210) 575-4000
Emergency Medicine Services Of Nh, LLC
1,212 mi
Emergency Medicine
1 PARKLAND DR
Derry, NH 03038
  • Reassigned Medicare billing, New Hampshire enrollment
  • 145 clinicians in this Medicare group
NPI 1386341444 (603) 432-1500
Hospital Medicine Services Of Nh, LLC
1,212 mi
Hospitalist
1 PARKLAND DR
Derry, NH 03038
  • Reassigned Medicare billing, New Hampshire enrollment
  • 150 clinicians in this Medicare group
NPI 1548967607 (603) 432-1500

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 5

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.
268 services138 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.
212 services113 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.
53 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.
50 services50 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.
33 services33 patients

Hospital Affiliations CMS Care Compare 5

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

Ochsner Medical Center Acute

Acute Care Hospitals · New Orleans, LA
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number190036
Location1516 Jefferson HwyNew Orleans, LA 70121 · Jefferson County
Emergency services Birthing friendly

Hilton Head Regional Medical Center

Acute Care Hospitals · Hilton Head Island, SC
4/5 CMS rating
OwnershipVoluntary non-profit - Other
CMS Certification Number420080
Location25 Hospital Center BlvdHilton Head Island, SC 29925 · Beaufort County
Emergency services Birthing friendly

Jackson-Madison County General Hospital

Acute Care Hospitals · Jackson, TN
3/5 CMS rating
OwnershipGovernment - Hospital District or Authority
CMS Certification Number440002
Location620 Skyline DriveJackson, TN 38301 · Madison County
Emergency services Birthing friendly

Methodist Hospital

Acute Care Hospitals · San Antonio, TX
4/5 CMS rating
OwnershipProprietary
CMS Certification Number450388
Location7700 Floyd Curl DrSan Antonio, TX 78229 · Bexar County
Emergency services Birthing friendly

Methodist Hospital Stone Oak

Acute Care Hospitals · San Antonio, TX
4/5 CMS rating
OwnershipProprietary
CMS Certification Number670055
Location1139 E Sonterra Blvd,San Antonio, TX 78258 · Bexar County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 33764 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
$130.04 typical visit price
range $56.00 – $171.84
Typical copayment $32.51 (range $14.00 – $42.96)
Most-billed visit code 99204
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.

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 Marina Guirguis's NPI number?

The NPI number for Marina Guirguis is 1952765273. It was assigned to this individual provider in the NPPES registry on April 12, 2016.

Where is Marina Guirguis located?

Marina Guirguis practices at 2622 Flournoy Cir S Apt 2408, Clearwater, FL 33764. The listed phone number is (304) 695-9330.

What is Marina Guirguis's specialty?

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

Is Marina Guirguis enrolled in Medicare?

Yes. Marina Guirguis 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 organizations bill Medicare for Marina Guirguis's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Marina Guirguis reassigns Medicare benefits to 7 organizations: Hilton Head Regional Physician Group LLC (Bluffton, SC), Belle Chasse Physician Services LLC (Terrytown, LA), Medical Foundation, Inc. (Meridian, MS), Velasco Inpatient Services PLLC (Angleton, TX), Hospital Medicine Services Of Tx, PLLC (San Antonio, TX) and 2 more organizations, listed in the Medicare section above. Each 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 Marina Guirguis's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Marina Guirguis accept?

Health plans from Blue Cross and Blue Shield of Texas, HMO Louisiana, Oscar Health, Oscar Health Maintenance Organization of Florida and Oscar Insurance Company and 1 other insurer list Marina Guirguis 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 Marina Guirguis affiliated with any hospitals?

According to CMS data, Marina Guirguis is affiliated with Ochsner Medical Center Acute, Hilton Head Regional Medical Center, Jackson-Madison County General Hospital, Methodist Hospital and Methodist Hospital Stone Oak.

When was this NPI record last updated?

The NPPES record for Marina Guirguis was last updated on January 9, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.