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

DR. SPENCER REID DIENES MD
NPI 1558789115
Radiology - Diagnostic Radiology in Miami, FL

Active since April 01, 2014PECOS EnrolledAccepts Medicare Assignment
100/100
CMS Quality Rating
1400 NW 12TH AVE, MIAMI, FL 33136(305) 243-5512(305) 243-4613 Get Directions Write a Review

NPPES record last updated: October 8, 2026. Verified against the NPPES registry weekly; last sync: November 08, 2026.

Record update history: Oct 8, 2026, Jul 17, 2019 (2 updates tracked since 2019).

About Dr. Spencer Reid Dienes Md NPPES

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

DR. SPENCER REID DIENES MD (NPI 1558789115) is an individual diagnostic radiology provider in Miami, Florida, licensed in Florida (ME139579) and active in the NPI registry since April 2014. He is enrolled in Medicare PECOS, is affiliated with Cleveland Clinic Martin North Hospital, and maintains a secondary practice location in Gainesville.

NPPES Registry Identity

NPI1558789115
Entity TypeIndividualMale
Primary Taxonomy2085R0202X
Provider Legal NameDR. SPENCER REID DIENESCredential: MD
Location Address1400 NW 12TH AVEMiami, FL 33136-1003
Mailing Address1475 Nw 12th AveMiami, FL 33136-1002 · (305) 243-5512 · Fax (305) 243-4613
Fax(305) 243-4613
Sole ProprietorNo
Medical School CMSUniversity Of Miami, Lm Miller School Of MedicineGraduated 2014
Enumeration DateApril 1, 2014
Last NPPES UpdateOctober 8, 20262 updates tracked since enumeration
NPPES CertifiedOctober 8, 2026
✔ NPI 1558789115 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyRadiology · Diagnostic RadiologyAllopathic & Osteopathic Physicians
Taxonomy Code2085R0202X
Licenses✔ Licensed in FL · ME139579✔ Licensed in GA · 114736
Definition
A radiologist who utilizes x-ray, radionuclides, ultrasound and electromagnetic radiation to diagnose and treat disease.
Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X · License NOT AVAILABLE YET (FL)
1400 NW 12TH AVE, Miami, FL 33136

Secondary Practice Location 1

Location 1743 Spring St NEGainesville, GA 30501-3715 · Phone (770) 219-9000

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. Spencer Reid Dienes 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 ID1850634916
PECOS Enrollment IDI20190514000832
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

8

Medicare enrollment records show Spencer Dienes reassigns Medicare billing to 8 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Clinical Cardiac Electrophysiology
1295 NW 14TH ST, SUITE A
Miami, FL 33125
  • Reassigned Medicare billing, Florida enrollment
  • 3,639 clinicians in this Medicare group
Diagnostic Radiology
200 SE HOSPITAL AVE
Stuart, FL 34994
  • Reassigned Medicare billing, Florida enrollment
  • 20 clinicians in this Medicare group
Diagnostic Radiology
1673 MASON AVE, SUITE 305
Daytona Beach, FL 32117
  • Reassigned Medicare billing, Florida enrollment
  • 189 clinicians in this Medicare group
Diagnostic Radiology
2105 STATE ROAD 44 W
Inverness, FL 34452
  • Reassigned Medicare billing, Florida enrollment
  • 97 clinicians in this Medicare group
Diagnostic Radiology
9521 SW HIGHWAY 200
Ocala, FL 34481
  • Reassigned Medicare billing, Florida enrollment
  • 93 clinicians in this Medicare group
Diagnostic Radiology
2300 SE 17TH ST, BLDG 800
Ocala, FL 34471
  • Reassigned Medicare billing, Florida enrollment
  • 103 clinicians in this Medicare group
Diagnostic Radiology
1490 SE MAGNOLIA EXT
Ocala, FL 34471
  • Reassigned Medicare billing, Florida enrollment
  • 93 clinicians in this Medicare group
Diagnostic Radiology
SUNNY ISLE SHOPP CTR SPC B-2
St Croix, VI 00820
  • Reassigned Medicare billing, U.S. Virgin Islands and Florida enrollments
  • Also billed through NPI 1659385011 (Florida)
  • 99 clinicians in this Medicare group

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 48

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.

X-ray of chest, 1 view 71045
A chest X-ray, 1 view, is a quick, painless test that produces images of the structures within your chest, such as your heart, lungs, and blood vessels. It helps in diagnosing conditions like pneumonia, heart problems, or lung cancer. You'll stand in front of a machine that emits X-rays, which pass through your body to create the image.
1,723 services1,541 patients
Ct scan head or brain without contrast 70450
A CT scan of the head or brain without contrast is a non-invasive imaging procedure. It uses X-rays to create detailed pictures of your brain, skull, and other structures inside your head. It helps to detect conditions like strokes, tumors, or injuries. No dye (contrast) is used in this test.
843 services805 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.
407 services398 patients
Ct scan of abdomen and pelvis without contrast 74176
A CT scan of the abdomen and pelvis is a non-invasive medical test. It uses special X-ray equipment to create detailed images of your abdominal and pelvic areas. This helps doctors examine organs, tissues, and vessels. No contrast dye is used in this procedure.
290 services279 patients
Ct scan of upper spine without contrast 72125
A CT scan of the upper spine without contrast is a non-invasive imaging test that uses X-rays to capture detailed images of your neck and upper back. It helps in identifying issues like fractures, tumors, or infections. No dye (contrast) is used in this scan.
265 services262 patients
X-ray of chest, 2 views 71046
A chest X-ray, 2 views, is a quick, painless test that creates pictures of the structures inside your chest, such as your heart, lungs, and blood vessels. Two different angles are used to get a comprehensive view. This helps in diagnosing conditions like pneumonia, heart problems, or lung cancer.
252 services249 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 33136 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
$96.13 typical visit price
range $60.92 – $187.05
Typical copayment $24.03 (range $15.23 – $46.76)
Most-billed visit code 99203
Established Patient
$75.86 typical visit price
range $18.99 – $150.24
Typical copayment $18.96 (range $4.74 – $37.56)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

100/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality100
Improvement Activities40

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.

Internal Medicine
1400 NW 12TH AVE
MIAMI, FL 33136
Nurse Anesthetist, Certified Registered
1400 NW 12TH AVE
MIAMI, FL 33136
Nurse Practitioner (Adult Health)
1400 NW 12TH AVE
MIAMI, FL 33136
Nurse Anesthetist, Certified Registered
1400 NW 12TH AVE
MIAMI, FL 33136
Orthopaedic Surgery
1400 NW 12TH AVE
MIAMI, FL 33136
Emergency Medicine
1400 NW 12TH AVE
MIAMI, FL 33136
Internal Medicine
1400 NW 12TH AVE
MIAMI, FL 33136
Dentist (General Practice)
1400 NW 12TH AVE, SUITE 2005
MIAMI, FL 33136

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 Spencer Dienes's NPI number?

The NPI number for Spencer Dienes is 1558789115. It was assigned to this individual provider in the NPPES registry on April 1, 2014.

Where is Spencer Dienes located?

Spencer Dienes practices at 1400 NW 12th Ave, Miami, FL 33136. The listed phone number is (305) 243-5512.

What is Spencer Dienes's specialty?

The primary specialty registered for this NPI is Radiology, specializing in Diagnostic Radiology, with taxonomy code 2085R0202X.

Is Spencer Dienes enrolled in Medicare?

Yes. Spencer Dienes 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 Spencer Dienes's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Spencer Dienes reassigns Medicare benefits to 8 organizations: University Of Miami (Miami, FL), Diagnostic Imaging Services Inc (Stuart, FL), Radiology Imaging Associates, LLC (Daytona Beach, FL), Inverness Medical Imaging LLC (Inverness, FL), Timberridge Imaging Center (Ocala, FL) and 3 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 Spencer Dienes's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

Is Spencer Dienes affiliated with any hospitals?

According to CMS data, Spencer Dienes is affiliated with Cleveland Clinic Martin North Hospital.

When was this NPI record last updated?

The NPPES record for Spencer Dienes was last updated on October 8, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 37 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.