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ST MICHAELS SURGERY CENTER INC.
NPI 1336100189
Clinic/Center - Ambulatory Surgical in Largo, FL

Active since March 31, 2006CLIA 10D0985940 · Waiver
1018 W BAY DR, LARGO, FL 33770(727) 585-2200(727) 584-9239 Get Directions Write a Review

NPPES record last updated: November 13, 2024. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About St Michaels Surgery Center Inc. NPPES

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

ST MICHAELS SURGERY CENTER INC. (NPI 1336100189) is a healthcare organization registered as an ambulatory surgical in Largo, Florida and active in the NPI registry since March 2006. The organization holds a CLIA Waiver certificate valid through May 1, 2027 and lists John L Michaelos, Owner, as its authorized official.

NPPES Registry Identity

NPI1336100189
Entity TypeOrganization
Primary Taxonomy261QA1903X
Legal Business NameST MICHAELS SURGERY CENTER INC.
Location Address1018 W BAY DRLargo, FL 33770-3225
Mailing Address1030 W Bay Dr Ste 200Largo, FL 33770-3276 · (727) 585-2200 · Fax (813) 697-1758
Phone(727) 585-2200
Fax(727) 584-9239
Organization SubpartNo
Authorized OfficialJohn L MichaelosOwner · (727) 585-2200
Enumeration DateMarch 31, 2006
Last NPPES UpdateNovember 13, 2024
NPPES CertifiedNovember 13, 2024
✔ NPI 1336100189 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyClinic/Center · Ambulatory SurgicalAmbulatory Health Care Facilities
Taxonomy Code261QA1903X
License✔ Licensed in FL · 1118
1018 W BAY DR, Largo, FL 33770
Open in Google Maps ↗

Other Identifiers 3

Other50101269FL · Aetna Provider Id
Medicaid070826700FL
Other69KFL · Bcbs Provider Id

Accepted Insurance

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

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

St Michaels Surgery Center Inc. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

6

Medicare enrollment records show 6 clinicians reassign Medicare billing to St Michaels Surgery Center Inc., which bills Medicare for the services they deliver. Of these, 2 practice at this address and 3 within 10 miles. They are listed nearest first.

Clinicians, nearest first (6)

John Michaelos, M.D.
Ophthalmology
NPI 1851353239
1030 W BAY DR
Largo, FL 33770
(727) 585-2200
✔ PECOS✔ Accepts MedicareSame address
Louis Michaelos, D.O
Ophthalmology
NPI 1326453267
1030 W BAY DR STE 200
Largo, FL 33770
(727) 585-2200
✔ PECOS✔ Accepts MedicareSame address
Margaret Wendell, CRNA
Certified Registered Nurse Anesthetist (CRNA)
NPI 1699112490
300 PINELLAS ST
Clearwater, FL 33756
(727) 462-7000
✔ Accepts Medicare2.5 mi
John Rowsey, M.D.
Ophthalmology
NPI 1164416319
43309 US HIGHWAY 19 N
Tarpon Springs, FL 34689
(727) 943-3111
✔ PECOS17 mi
Oren Plous, M.D.
Ophthalmology
NPI 1467422659
1961 FLOYD ST SUITE B
Sarasota, FL 34239
(941) 312-2769
✔ PECOS✔ Accepts Medicare44 mi
Dante Sorrentino, M.D.
Ophthalmology
NPI 1922418904
1855 EASTWEST PKWY
Fleming Island, FL 32003
(904) 272-2020
✔ PECOS✔ Accepts Medicare164 mi

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

CLIA Laboratory Certificates CMS CLIA

Laboratory certificates issued under the Clinical Laboratory Improvement Amendments (CLIA) program, which sets federal quality standards for human laboratory testing in the United States. There is no official CMS crosswalk between CLIA and NPI numbers; these certificates are associated with this NPI by matching facility names, locations and phone numbers in the CMS CLIA registry.

Certificate of Waiver 10D0985940

St Michaels Surgery Center · Largo, FL
Active · expires May 1, 2027
CLIA Number10D0985940
Laboratory TypeAmbulatory Surgery Center
Certificate Effective DateMay 2, 2025
Certificate Expiration DateMay 1, 2027
Laboratory DirectorJohn L. Michaelos MD
Laboratory Phone(727) 585-2200
Laboratory LocationSt Michaels Surgery Center1018 West Bay Drive Suite B, Largo, FL 33770
CLIA data matches this NPI record on: Address Name Phone
This certificate is issued to a laboratory to perform only waived tests.

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.

Removal of recurring cataract in lens capsule using a laser 66821
This procedure, known as YAG laser capsulotomy, treats cloudiness in the lens capsule following cataract surgery. A laser is used to create a small hole in the cloudy capsule, allowing light to pass through and restore clear vision. It's a quick, painless procedure.
166 services96 patients
Removal of cataract with insertion of prosthetic lens 66984
This is a procedure where a cloudy lens in your eye, known as a cataract, is removed. After removal, a clear artificial lens is inserted. This helps to restore your vision, enabling you to see clearly again.
110 services67 patients
Complex removal of cataract with insertion of prosthetic lens 66982
This procedure involves removing a cloudy lens (cataract) from your eye and replacing it with a clear, artificial lens. It helps restore vision that has been affected by the cataract. The operation is usually done under local anesthesia.
102 services61 patients
Laser repair to improve eye fluid flow 65855
Laser repair to improve eye fluid flow is a procedure aimed at treating glaucoma. A laser is used to create a small hole in the eye's drainage system, allowing fluid to flow out more easily. This helps to lower the pressure inside the eye, reducing the risk of vision loss.
74 services38 patients
Creation of eye fluid drainage tracts in iris using a laser, per session 66761
This procedure uses a laser to create small drainage tracts in the iris, the colored part of your eye. This helps excess fluid escape, reducing pressure in the eye that can cause glaucoma. It's performed in sessions.
26 services15 patients
Complex removal of cataract with insertion of prosthetic lens and laser treatment to decrease fluid production in eye 66987
This procedure involves removing a cloudy lens (cataract) from your eye, replacing it with an artificial one, and using laser treatment to reduce fluid production and lower eye pressure. It's performed to improve your vision and eye health.
16 services11 patients

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 St Michaels Surgery Center Inc.'s NPI number?

The NPI number for St Michaels Surgery Center Inc. is 1336100189. It was assigned to this organization in the NPPES registry on March 31, 2006.

Where is St Michaels Surgery Center Inc. located?

St Michaels Surgery Center Inc. is located at 1018 W Bay Dr, Largo, FL 33770. The listed phone number is (727) 585-2200.

What is St Michaels Surgery Center Inc.'s specialty?

The primary specialty registered for this NPI is Clinic/Center, specializing in Ambulatory Surgical, with taxonomy code 261QA1903X.

Is St Michaels Surgery Center Inc. enrolled in Medicare?

Yes. St Michaels Surgery Center Inc. is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through St Michaels Surgery Center Inc.?

According to the CMS Revalidation Reassignment List (October 2026 release), 6 clinicians in 2 Medicare specialties reassign their Medicare billing to St Michaels Surgery Center Inc.. A 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 the clinician's services. The largest specialties are Ophthalmology (5) and Certified Registered Nurse Anesthetist (CRNA) (1). Of these, 2 practice at this address and 3 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Does St Michaels Surgery Center Inc. hold a CLIA laboratory certificate?

Yes. A Certificate of Waiver (number 10D0985940) is associated with this NPI, valid through May 1, 2027. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.

What insurance does St Michaels Surgery Center Inc. accept?

Health plans from Florida Blue (BlueCross BlueShield FL), Florida Blue HMO (a BlueCross BlueShield FL company), Oscar Health Maintenance Organization of Florida and UnitedHealthcare list St Michaels Surgery Center Inc. 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.

When was this NPI record last updated?

The NPPES record for St Michaels Surgery Center Inc. was last updated on November 13, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 23 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.