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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.

MICHAEL PETRIDES
NPI 1609221969
Radiology - Nuclear Radiology in Philadelphia, PA

Active since April 25, 2016PECOS EnrolledAccepts Medicare Assignment
3400 SPRUCE STREET, 1 SILVERSTEIN, SUITE 130, PHILADELPHIA, PA 19104(215) 662-6918(215) 662-2664 Get Directions Write a Review

NPPES record last updated: September 24, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Sep 24, 2026, Jul 29, 2021 (2 updates tracked since 2021).

About Michael Petrides NPPES

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

MICHAEL PETRIDES (NPI 1609221969) is an individual nuclear radiology provider in Philadelphia, Pennsylvania, licensed in Pennsylvania (MD483462) and active in the NPI registry since April 2016. He is enrolled in Medicare PECOS, is affiliated with Centura St. Catherine Hospital-garden City, and is a graduate of Medical University Of South Carolina College Of Medicine (2016).

NPPES Registry Identity

NPI1609221969
Entity TypeIndividualMale
Primary Taxonomy2085N0904X
Provider Legal NameMICHAEL PETRIDES
Location Address3400 SPRUCE STREET, 1 SILVERSTEIN, SUITE 130Philadelphia, PA 19104
Mailing Address3400 Spruce StPhiladelphia, PA 19104-4238 · (215) 662-6918 · Fax (215) 662-2664
Phone(215) 662-6918
Fax(215) 662-2664
Sole ProprietorNo
Medical School CMSMedical University Of South Carolina College Of MedicineGraduated 2016
Enumeration DateApril 25, 2016
Last NPPES UpdateSeptember 24, 20262 updates tracked since enumeration
NPPES CertifiedSeptember 24, 2026
✔ NPI 1609221969 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyRadiology · Nuclear RadiologyAllopathic & Osteopathic Physicians
Taxonomy Code2085N0904X
License✔ Licensed in PA · MD483462
Definition
A radiologist who is involved in the analysis and imaging of radionuclides and radiolabeled substances in vitro and in vivo for diagnosis and the administration of radionuclides and radiolabeled substances for the treatment of disease.
Also ListedRadiology · Diagnostic RadiologyTaxonomy 2085R0202X · License MD483462 (PA)
3400 SPRUCE STREET, Philadelphia, PA 19104
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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Premera Blue Cross Blue Shield of Alaska.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

Michael Petrides 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 ID6406140987
PECOS Enrollment IDI20220816001938, I20240521001902
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

9

Medicare enrollment records show Michael Petrides reassigns Medicare billing to 9 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Colorado Imaging Associates P C
1,585 mi
Diagnostic Radiology
11600 W 2ND PL
Lakewood, CO 80228
  • Reassigned Medicare billing, Pennsylvania enrollment
NPI 1255306726 (303) 223-4448
Evergreen Radia LLC
2,371 mi
Diagnostic Radiology
11521 NE 128TH ST, SUITE 200
Kirkland, WA 98034
  • Reassigned Medicare billing, Utah enrollment
  • 6 clinicians in this Medicare group
NPI 1922095694 (425) 952-6100
Radia Inc P S
2,374 mi
Diagnostic Radiology
19020 33RD AVE W, SUITE 210
Lynnwood, WA 98036
  • Reassigned Medicare billing, Utah enrollment
  • 6 clinicians in this Medicare group
NPI 1932196607 (425) 563-1500
Swedish Radia Imaging Center At Edmonds LLC
2,377 mi
Diagnostic Radiology
21700 HIGHWAY 99
Edmonds, WA 98026
  • Reassigned Medicare billing, Utah enrollment
  • 6 clinicians in this Medicare group
NPI 1164494373 (425) 640-4949
Radia Imaging Center Holdings LLC
2,377 mi
Diagnostic Radiology
1229 MADISON ST STE 900
Seattle, WA 98104
  • Reassigned Medicare billing, Pennsylvania and Utah enrollments
NPI 1639653017 (206) 292-6233
South Sound Radiologists Inc P S
2,406 mi
Diagnostic Radiology
3417 ENSIGN RD NE
Olympia, WA 98506
  • Reassigned Medicare billing, Pennsylvania and Utah enrollments
NPI 1902990500 (360) 493-4600
Radia Oregon Radiology Medical Group LLC
2,460 mi
Diagnostic Radiology
842 E MAIN ST
Medford, OR 97504
  • Reassigned Medicare billing, Utah enrollment
  • 5 clinicians in this Medicare group
NPI 1073385423 (425) 563-1500
Medford Radiological Group, PC
2,460 mi
Diagnostic Radiology
842 E MAIN ST
Medford, OR 97504
  • Reassigned Medicare billing, Utah enrollment
  • 3 clinicians in this Medicare group
NPI 1407938111 (541) 773-2493
Radia California Radiology Medical Group Inc
2,522 mi
Diagnostic Radiology
121 SOTOYOME ST
Santa Rosa, CA 95405
  • Reassigned Medicare billing, Utah enrollment
  • 4 clinicians in this Medicare group
NPI 1740982032 (425) 563-1500

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 7

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.

Nuclear medicine study from skull base to mid-thigh with ct scan 78815
A nuclear medicine study from skull base to mid-thigh with a CT scan involves using a small amount of radioactive material and CT imaging to examine body tissues and organs. This helps detect any abnormalities by providing detailed images of the body's internal structure.
93 services91 patients
Nuclear medicine study from skull base to mid-thigh with ct scan 78815
A nuclear medicine study from skull base to mid-thigh with a CT scan involves using a small amount of radioactive material and CT imaging to examine body tissues and organs. This helps detect any abnormalities by providing detailed images of the body's internal structure.
45 services44 patients
Nuclear medicine study of bone and/or joint whole body 78306
A nuclear medicine study of bone and/or joint whole body involves injecting a small amount of radioactive material into your body. This material travels to your bones and emits energy. A special camera captures this energy, creating images of your bones to help identify any abnormalities.
38 services38 patients
Ct scan of chest with contrast 71260
A CT scan of the chest with contrast is an imaging procedure. A special dye (contrast) is used to highlight specific areas in your body, providing clearer pictures of your chest. This helps in diagnosing conditions related to your lungs, heart, and other chest structures.
25 services25 patients
Ct scan of abdomen and pelvis with contrast 74177
A CT scan of the abdomen and pelvis with contrast is an imaging procedure. A special dye, called contrast, is used to make certain areas more visible. This can help identify issues such as infections, tumors, or other abnormalities. The procedure is painless and usually takes about 30 minutes.
18 services18 patients
Ct scan of chest without contrast 71250
A CT scan of the chest without contrast is a non-invasive imaging procedure. It uses special X-ray equipment to produce detailed images of your chest area, including your lungs and heart. It can help diagnose conditions such as lung diseases or heart disorders. It doesn't involve any dyes or contrast agents.
12 services12 patients

Hospital Affiliations CMS Care Compare 3

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

Centura St. Catherine Hospital-Garden City

Acute Care Hospitals · Garden City, KS
2/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number170023
Location401 East SpruceGarden City, KS 67846 · Finney County
Emergency services Birthing friendly

Overlake Hospital Medical Center

Acute Care Hospitals · Bellevue, WA
4/5 CMS rating
OwnershipVoluntary non-profit - Other
CMS Certification Number500051
Location1035-116th Ave NEBellevue, WA 98004 · King County
Emergency services Birthing friendly

Olympic Medical Center

Acute Care Hospitals · Port Angeles, WA
4/5 CMS rating
OwnershipGovernment - Local
CMS Certification Number500072
Location939 Caroline StPort Angeles, WA 98362 · Clallam County
Emergency services Birthing friendly

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.

SARAH KUMAR M.D.
Anesthesiology (Critical Care Medicine)
3400 SPRUCE STREET
PHILADELPHIA, PA 19104
Philadelphia County (215) 349-8310
RYAN MCCLINTOCK MD
Radiology (Diagnostic Radiology)
3400 SPRUCE STREET
PHILADELPHIA, PA 19104
Philadelphia County (215) 662-3000
ADRIAN W ONG MD
Surgery (Surgical Critical Care)
3400 SPRUCE STREET, 2 DULLES
PHILADELPHIA, PA 19104
Philadelphia County (215) 662-7320
MATHEW N BESHARA MD
Obstetrics & Gynecology
3400 SPRUCE STREET, 5 PENN TOWER
PHILADELPHIA, PA 19104
Philadelphia County (215) 662-6035
JILL E LANGER MD
Radiology (Diagnostic Radiology)
3400 SPRUCE STREET, GROUND FLOOR DULLES
PHILADELPHIA, PA 19104
Philadelphia County (215) 662-7012
BERNADETTE C WHEELER MD
Obstetrics & Gynecology
3400 SPRUCE STREET, 1 WEST GATES
PHILADELPHIA, PA 19104
Philadelphia County (215) 662-2730
EDWARD T DICKINSON MD
Emergency Medicine
3400 SPRUCE STREET, GROUND SILVERSTEIN BLDG
PHILADELPHIA, PA 19104
Philadelphia County (215) 662-6698
WENDY RACHEL GALPERN MD, PHD
Psychiatry & Neurology (Neurology)
3400 SPRUCE STREET
PHILADELPHIA, PA 19104
Philadelphia County (215) 662-2219

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 Michael Petrides's NPI number?

The NPI number for Michael Petrides is 1609221969. It was assigned to this individual provider in the NPPES registry on April 25, 2016.

Where is Michael Petrides located?

Michael Petrides practices at 3400 Spruce Street 1 Silverstein, Suite 130, Philadelphia, PA 19104. The listed phone number is (215) 662-6918.

What is Michael Petrides's specialty?

The primary specialty registered for this NPI is Radiology, specializing in Nuclear Radiology, with taxonomy code 2085N0904X.

Is Michael Petrides enrolled in Medicare?

Yes. Michael Petrides 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 Michael Petrides's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Michael Petrides reassigns Medicare benefits to 9 organizations: Colorado Imaging Associates P C (Lakewood, CO), Evergreen Radia LLC (Kirkland, WA), Radia Inc P S (Lynnwood, WA), Swedish Radia Imaging Center At Edmonds LLC (Edmonds, WA), Radia Imaging Center Holdings LLC (Seattle, WA) and 4 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 Michael Petrides's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Michael Petrides accept?

Health plans from Premera Blue Cross Blue Shield of Alaska list Michael Petrides 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 Michael Petrides affiliated with any hospitals?

According to CMS data, Michael Petrides is affiliated with Centura St. Catherine Hospital-Garden City, Overlake Hospital Medical Center and Olympic Medical Center.

When was this NPI record last updated?

The NPPES record for Michael Petrides was last updated on September 24, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 27 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.