Dr. Thomas Christopher Riddell, MD

  • Pensacola, FL
  • Cardiologist
NPI1043454895PAC ID2365747219
Medicare services, 2024
2,161
Medicare patients, 2024
1,214
Part D claims, 2024
3,312
Publications
1
MIPS score, 2024
75
Practice address
5151 N 9th Ave, Pensacola, FL 32504
Practice phone
Call (850) 416-7000
Professional email
Get professional email
Personal email
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Mobile number
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Social profiles

Primary practice

Ascension Sacred Heart Pensacola

Hospital · Pensacola, Florida

See all 6 affiliations

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Dr. Thomas Christopher Riddell is a cardiologist in Pensacola, Florida

Dr. Riddell practices at Ascension Sacred Heart Pensacola in Pensacola, Florida, part of Ascension Health Alliance.

Dr. Riddell's NPI, 1043454895, was assigned on April 23, 2009. Dr. Riddell graduated from Mercer University School of Medicine in 2009. Dr. Riddell holds Florida license ME168738.

NPI and contact details
Medicare PAC ID
2365747219
NPI enumeration date
April 23, 2009
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(850) 416-7000
Professional email
Get email
Personal email
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Mobile number
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Sex
Male
Estimated age
43
Medical school graduation
2009

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Dr. Thomas Christopher Riddell practices at Ascension Sacred Heart Pensacola in Pensacola, Florida

Dr. Riddell's primary practice is Ascension Sacred Heart Pensacola, at 5151 N 9th Ave, Pensacola, FL 32504 in Escambia County. The practice phone is (850) 416-7000.

Source: Dmand AI Affiliation Data

Dr. Thomas Christopher Riddell is affiliated with 5 sites of care and 1 medical group

Dr. Riddell's primary practice is Ascension Sacred Heart Pensacola in Pensacola, Florida, part of Ascension Health Alliance. Dr. Riddell is also affiliated with Ascension Sacred Heart Bay. The medical group on file is Sacred Heart Medical Group. Dmand AI also links Dr. Riddell to 1 more hospital, 1 clinical lab and 1 group practice or clinic, each named with a free account.

See all 6 affiliations for Dr. Riddell

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Dr. Thomas Christopher Riddell's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Riddell practices, 5 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Ascension Sacred Heart PensacolaAvailable with a free account
+4 more affiliated sitesAvailable with a free account

Source: Dmand AI Technology Install Data

For health IT teams

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Dr. Thomas Christopher Riddell is one of 1,709 cardiologists in Florida

Cardiovascular disease is Dr. Riddell's primary specialty in the NPI Registry, under taxonomy code 207RC0000X. Dr. Riddell is board certified in cardiovascular disease by the American Board of Internal Medicine. Dmand AI has Dr. Riddell's licenses on file in 4 states: Florida, Alabama, Mississippi and Georgia.

Specialties and state licenses

  • Cardiovascular disease, FloridaPrimaryLicense ME168738 · 2024 to 2026 · taxonomy 207RC0000X
  • Alabama license2016 to 2024
  • Mississippi license2018 to 2021
  • Georgia license2011 to 2016

Clinical focus

Dmand AI lists angioplasty, cardiac catheterization and circulation problems among the conditions Dr. Riddell treats.

Cardiologists near Dr. Riddell

Counts of cardiologists with a Dmand AI profile, by place and practice. Each opens the list.

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Dr. Thomas Christopher Riddell billed Medicare for 2,161 services in 2024

CMS data shows 2,161 Medicare services from Dr. Riddell across 25 procedure codes in 2024, for 1,214 Medicare patients. Medicare paid $140,772 for them.

Medicare services, 20242,161
Medicare patients1,214
Paid by Medicare$140,772
Procedure codes25

Dr. Riddell's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Tests and treatments
2023: 1,5412024: 1,23520%
Office and hospital visits
2023: 7202024: 7616%
Other services
2023: 2,0402024: 10095%
Lab and pathology
2023: 1352024: 6552%
Surgery
2023: 172024: 0100%

Where Dr. Riddell's Medicare services took place, 2024

  • In an office1,19855%
  • In a facility96345%

Dr. Riddell compared with the Florida median for cardiologists, 2024

  • Dr. Riddell
  • Florida median
Medicare services
2,161vs 1,92512% above
Medicare patients
1,214vs 70672% above
Part D claims
3,068vs 1,99854% above

Medians across 1,638 cardiologists in Florida with Dmand AI profiles that report each measure.

Dr. Riddell's most billed Medicare procedure codes, 2024

CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.

See all procedures by Dr. Riddell

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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Dr. Thomas Christopher Riddell treated 1,214 Medicare patients in 2024, average age 76

CMS counts 1,214 Medicare patients who saw Dr. Riddell in 2024. The largest group is 75 to 84, with 503 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 9% are also on Medicaid. Their average risk score is 1.53, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.

Across all payers, Dmand AI patient panel data puts Dr. Riddell's median patient age at 74, with 46% women.

Medicare patients, 20241,214
Average age76
Average risk score1.53
Also on Medicaid9%

Dr. Riddell's Medicare patients by age, 2024

Dr. Riddell's Medicare patients by sex, 2024

  • Women61250%
  • Men60250%

Chronic conditions among Dr. Riddell's Medicare patients, 2024

  1. High blood pressure75%
  2. High cholesterol75%
  3. Ischemic heart disease68%
  4. Arthritis52%
  5. Atrial fibrillation39%
  6. Heart failure39%
  7. Chronic kidney disease38%
  8. Diabetes37%

Share of Medicare patients with each condition. A patient can have several.

Dr. Riddell's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 74

Patient panel by sex, all payers

  • Women46%
  • Men54%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Dr. Thomas Christopher Riddell wrote 3,312 Medicare Part D claims in 2024

In 2024, Dr. Riddell wrote 3,312 Medicare Part D claims for 699 patients. 86% of them were for generic drugs. CMS names the drug for 3,068 of them, across 41 drugs with 11 or more claims each, at $477,128 in total drug cost. In 2023, CMS named 3,327 claims across 43 drugs.

Part D claims, 20243,312
Drugs named by CMS41
Total drug cost$477,128
Part D patients699

Dr. Riddell's Part D claims by kind of drug, 2024

  • Generic2,845 claims86%
  • Brand-name467 claims14%

Dr. Riddell's most prescribed drugs by claims, 2024

CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.

Part D claims for drugs CMS names, 2023 to 2024

  • 2023
  • 2024
Claims for drugs CMS names
2023: 3,3272024: 3,0688%

Drugs named by CMS: 41 in 2024, 43 in 2023.

See all prescribing by Dr. Riddell

Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data

Dr. Thomas Christopher Riddell scored 75 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 75 out of 100 for Dr. Riddell for performance year 2024, reported as part of a group. Dr. Riddell accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 36 procedures of coronary angioplasty and stenting by Dr. Riddell, more than 72% of the clinicians it reports for that procedure.

Accepts Medicare assignment
Yes
MIPS final score, 2024
75 of 100

Where Dr. Riddell ranks in Medicare procedure volume

Coronary angioplasty and stenting
72nd percentile36 procedures

CMS ranks each clinician against every clinician it reports for the same procedure category.

Pacemaker insertion or repair: 1 to 10 procedures (CMS shows small counts as a range)

Sources: Doctors and Clinicians National Downloadable File (CMS); Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026; and Doctors and Clinicians Utilization Data (CMS)

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Dr. Thomas Christopher Riddell has 1 publication on record

Dmand AI links 1 paper to Dr. Riddell in 2024.

Papers1

Recent publications by Dr. Riddell

See all 1 publications and co-authors

See who Dr. Riddell researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Riddell works with, so you can find a warm path to the right cardiologists.

How network discovery works

Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage

Dr. Thomas Christopher Riddell received $16,145 in industry payments from 2016 to 2025

CMS Open Payments shows 338 general payments to Dr. Riddell from 28 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 57% of the total. Medtronic Vascular, Inc. paid the most, $4,436.

General payments to Dr. Riddell by program year, 2016 to 2025

General payments to Dr. Riddell by kind, 2016 to 2025

$16.1Kin total
  • Food and beverage$9,14857%
  • Travel and lodging$6,99743%

Companies that paid Dr. Riddell the most, 2016 to 2025

Share is of all general payments to this clinician.

See all payments to Dr. Riddell

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Dr. Thomas Christopher Riddell graduated from Mercer University School of Medicine

Dr. Riddell graduated from Mercer University School of Medicine in 2009.

  1. Medical schoolMercer University School of Medicine
  2. Board certified in cardiovascular diseaseAmerican Board of Internal Medicine
  3. Board certified in interventional cardiologyAmerican Board of Internal Medicine

Source: Dmand AI Professional Profile Data

Dr. Thomas Christopher Riddell accepts plans from 16 insurance carriers

Dr. Riddell is in network with 16 carriers, including Aetna, Blue Cross Blue Shield of Michigan and United Healthcare. PPO plans come from the most carriers, 11. Check the plan with the practice before a visit.

Plan types Dr. Riddell accepts, by number of carriers

  1. PPO11
  2. HMO9
  3. Medicare9
  4. EPO4
  5. POS4

Source: Dmand AI Insurance Network Data

Sources for Dr. Thomas Christopher Riddell's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDmand AI Org Hierarchy Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab)
MIPS scores, telehealth, assignment and procedure percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab)
Publications, topics and co-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Training, board certification and membershipsDmand AI Professional Profile Data
Insurance carriers and plan typesDmand AI Insurance Network Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Dr. Thomas Christopher Riddell

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Dr. Thomas Christopher Riddell's NPI number?

Dr. Thomas Christopher Riddell's NPI number is 1043454895. It was assigned on April 23, 2009, and it is active in the NPI Registry.

What kind of doctor is Dr. Thomas Christopher Riddell?

Dr. Thomas Christopher Riddell is a cardiologist in Pensacola, Florida. The primary specialty in the NPI Registry is Cardiovascular Disease Physician (taxonomy code 207RC0000X).

Where does Dr. Thomas Christopher Riddell practice?

Dr. Riddell practices at 5151 N 9th Ave, Pensacola, FL 32504. Dr. Riddell's primary practice is Ascension Sacred Heart Pensacola in Pensacola, Florida, part of Ascension Health Alliance. Dmand AI also links Dr. Riddell to 1 hospital, 1 clinical lab and 1 group practice or clinic.

What is Dr. Thomas Christopher Riddell's office phone number?

The practice phone on file for Dr. Riddell is (850) 416-7000.

What is Dr. Thomas Christopher Riddell's medical license number?

Dr. Riddell holds Florida license ME168738, one of the licenses on file in 4 states.

Which states has Dr. Thomas Christopher Riddell been licensed in?

Dmand AI has state licenses on file for Dr. Riddell in Florida (2024 to 2026), Alabama (2016 to 2024), Mississippi (2018 to 2021) and Georgia (2011 to 2016).

Which hospitals is Dr. Thomas Christopher Riddell affiliated with?

Dr. Riddell practices at Ascension Sacred Heart Pensacola in Pensacola, Florida. Dr. Riddell is also affiliated with Ascension Sacred Heart Bay. Dmand AI links Dr. Riddell to 1 more hospital.

What medical group is Dr. Thomas Christopher Riddell part of?

Dr. Riddell is linked to Sacred Heart Medical Group.

Does Dr. Thomas Christopher Riddell accept Medicare?

Yes. CMS data shows Dr. Riddell billed Medicare for 2,161 services in 2024, and Dr. Riddell accepts Medicare assignment.

What is Dr. Thomas Christopher Riddell's MIPS score?

Dr. Riddell's MIPS final score for performance year 2024 is 75 out of 100, reported as part of a group.

Show 9 more questionsShow fewer questions

How many Medicare patients does Dr. Thomas Christopher Riddell see?

CMS counts 1,214 Medicare patients who saw Dr. Riddell in 2024, with an average age of 76.

Is Dr. Thomas Christopher Riddell board certified?

Yes. Dr. Riddell is board certified in cardiovascular disease by the American Board of Internal Medicine.

What services does Dr. Thomas Christopher Riddell bill to Medicare?

In 2024, Dr. Riddell's most billed Medicare services were office visit, established patient (99214), heart test or procedure (93306) and blood vessel study (93970).

Where did Dr. Thomas Christopher Riddell go to medical school?

Dr. Riddell graduated from Mercer University School of Medicine in 2009.

What drugs does Dr. Thomas Christopher Riddell prescribe most?

In 2024 Medicare Part D data, Dr. Riddell's most prescribed drugs by claims were Clopidogrel, Carvedilol and Atorvastatin Calcium.

Has Dr. Thomas Christopher Riddell received payments from drug or device companies?

CMS Open Payments shows $16,145 in general payments to Dr. Riddell from 28 companies from 2016 to 2025. The largest total came from Medtronic Vascular, Inc.

How long has Dr. Thomas Christopher Riddell been practicing?

Dr. Riddell graduated from medical school in 2009, 17 years ago.

Does Dr. Thomas Christopher Riddell do research?

Dmand AI links 1 publication to Dr. Riddell.

What insurance does Dr. Thomas Christopher Riddell accept?

Dr. Riddell is in network with 16 carriers, including Aetna, Blue Cross Blue Shield of Michigan and United Healthcare. PPO plans come from the most carriers, 11. Check the plan with the practice before a visit.

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