Dr. Spencer Collin Maddox, MD

  • Calhoun, GA
  • Cardiologist
NPI1518385830PAC ID4183926256
Medicare services, 2024
5,796
Medicare patients, 2024
1,955
Part D claims, 2024
5,949
MIPS score, 2024
84
Hospital affiliations
3
Practice address
1035 Red Bud Road, Calhoun, GA 30701
Practice phone
Call (706) 629-2895
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

AdventHealth Gordon

Hospital · Calhoun, Georgia

See all 8 affiliations

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Dr. Spencer Collin Maddox is a cardiologist in Calhoun, Georgia

Dr. Maddox practices at AdventHealth Gordon in Calhoun, Georgia, part of AdventHealth.

Dr. Maddox's NPI, 1518385830, was assigned on April 3, 2014. Dr. Maddox graduated from Medical College of Georgia School of Medicine in 2014. Dr. Maddox holds Georgia license 77070.

NPI and contact details
Medicare PAC ID
4183926256
NPI enumeration date
April 3, 2014
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(706) 629-2895
Professional email
Get email
Personal email
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Mobile number
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Sex
Male
Estimated age
38
Medical school graduation
2014

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

Dr. Spencer Collin Maddox practices at AdventHealth Gordon in Calhoun, Georgia

Dr. Maddox's primary practice is AdventHealth Gordon, at 1035 Red Bud Road, Calhoun, GA 30701 in Gordon County. The practice phone is (706) 629-2895.

  • AdventHealth Gordon
    1035 Red Bud Road, Calhoun, GA 30701 · Gordon CountyPhone(706) 629-2895

Source: Dmand AI Affiliation Data

Dr. Spencer Collin Maddox is affiliated with 4 sites of care and 4 medical groups

Dr. Maddox's primary practice is AdventHealth Gordon in Calhoun, Georgia, part of AdventHealth. Dr. Maddox is also affiliated with AdventHealth Redmond. The medical group on file is AdventHealth Medical Group. Dmand AI also links Dr. Maddox to 1 more hospital, 3 medical groups and 1 hospital outpatient department, each named with a free account.

See all 8 affiliations for Dr. Maddox

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

Dmand AI tracks the EHR system at Dr. Spencer Collin Maddox's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Maddox practices, 4 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
AdventHealth GordonAvailable with a free account
+3 more sites and 3 medical groupsAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Spencer Collin Maddox is one of 665 cardiologists in Georgia

Cardiovascular disease is Dr. Maddox's primary specialty in the NPI Registry, under taxonomy code 207RC0000X. Dr. Maddox is licensed in Georgia.

Specialties and state licenses

  • Cardiovascular disease, GeorgiaPrimaryLicense 77070 · taxonomy 207RC0000X

Cardiologists near Dr. Maddox

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. Spencer Collin Maddox billed Medicare for 5,796 services in 2024

CMS data shows 5,796 Medicare services from Dr. Maddox across 26 procedure codes in 2024, for 1,955 Medicare patients. Medicare paid $221,571 for them.

Medicare services, 20245,796
Medicare patients1,955
Paid by Medicare$221,571
Procedure codes26

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

  • 2023
  • 2024
Tests and treatments
2023: 3,7162024: 3,9687%
Office and hospital visits
2023: 1,1932024: 1,65939%
Imaging
2023: 1992024: 16915%
Lab and pathology
2023: 1202024: 0100%
Other services
2023: 262024: 0100%
Surgery
2023: 812024: 0100%

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

  • In an office1,91333%
  • In a facility3,88367%

Dr. Maddox compared with the Georgia median for cardiologists, 2024

  • Dr. Maddox
  • Georgia median
Medicare services
5,796vs 1,7543.3 times
Medicare patients
1,955vs 7352.7 times
Part D claims
5,744vs 2,4672.3 times

Medians across 637 cardiologists in Georgia with Dmand AI profiles that report each measure.

Dr. Maddox'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. Maddox

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

Dr. Spencer Collin Maddox treated 1,955 Medicare patients in 2024, average age 74

CMS counts 1,955 Medicare patients who saw Dr. Maddox in 2024. The largest group is 65 to 74, with 754 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 23% are also on Medicaid. Their average risk score is 1.60, 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. Maddox's median patient age at 69, with 55% women.

Medicare patients, 20241,955
Average age74
Average risk score1.60
Also on Medicaid23%

Dr. Maddox's Medicare patients by age, 2024

Dr. Maddox's Medicare patients by sex, 2024

  • Women1,07055%
  • Men88545%

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

  1. High blood pressure75%
  2. High cholesterol75%
  3. Arthritis51%
  4. Ischemic heart disease47%
  5. Heart failure45%
  6. Diabetes44%
  7. Chronic kidney disease38%
  8. Anxiety36%

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

Dr. Maddox's patients across all payers

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

Patient panel by age, all payers

Median age 69

Patient panel by sex, all payers

  • Women55%
  • Men45%

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

Dr. Spencer Collin Maddox wrote 5,949 Medicare Part D claims in 2024

In 2024, Dr. Maddox wrote 5,949 Medicare Part D claims for 811 patients. 81% of them were for generic drugs. CMS names the drug for 5,744 of them, across 41 drugs with 11 or more claims each, at $915,019 in total drug cost. In 2023, CMS named 4,007 claims across 37 drugs.

Part D claims, 20245,949
Drugs named by CMS41
Total drug cost$915,019
Part D patients811

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

  • Generic4,826 claims81%
  • Brand-name1,123 claims19%

Dr. Maddox'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: 4,0072024: 5,74443%

Drugs named by CMS: 41 in 2024, 37 in 2023.

See all prescribing by Dr. Maddox

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. Spencer Collin Maddox scored 84 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 84 out of 100 for Dr. Maddox for performance year 2024, reported as part of a group. Dr. Maddox accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

Accepts Medicare assignment
Yes

Dr. Maddox's MIPS scores, performance year 2024

  • 84of 100Final score
  • 68.2of 100Quality
  • 100of 100Promoting Interoperability
  • 40of 100Improvement Activities
  • 75of 100Cost

Each score is out of 100. The final score weighs the categories CMS scored for this clinician.

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

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Dr. Spencer Collin Maddox received $3,118 in industry payments from 2016 to 2025

CMS Open Payments shows 134 general payments to Dr. Maddox from 27 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 98% of the total. ZOLL Services LLC (A/K/A ZOLL LifeCor Corp) paid the most, $805.

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

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

$3.1Kin total
  • Food and beverage$3,05598%
  • Education$632%

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

Share is of all general payments to this clinician.

See all payments to Dr. Maddox

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

Dr. Spencer Collin Maddox graduated from Medical College of Georgia School of Medicine

Dr. Maddox graduated from Medical College of Georgia School of Medicine in 2014.

  1. Medical schoolMedical College of Georgia School of Medicine

Source: Dmand AI Professional Profile Data

Sources for Dr. Spencer Collin Maddox'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)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Training, board certification and membershipsDmand AI Professional Profile 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. Spencer Collin Maddox

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. Spencer Collin Maddox's NPI number?

Dr. Spencer Collin Maddox's NPI number is 1518385830. It was assigned on April 3, 2014, and it is active in the NPI Registry.

What kind of doctor is Dr. Spencer Collin Maddox?

Dr. Spencer Collin Maddox is a cardiologist in Calhoun, Georgia. The primary specialty in the NPI Registry is Cardiovascular Disease Physician (taxonomy code 207RC0000X).

Where does Dr. Spencer Collin Maddox practice?

Dr. Maddox practices at 1035 Red Bud Road, Calhoun, GA 30701. Dr. Maddox's primary practice is AdventHealth Gordon in Calhoun, Georgia, part of AdventHealth. Dmand AI also links Dr. Maddox to 1 hospital, 3 medical groups and 1 hospital outpatient department.

What is Dr. Spencer Collin Maddox's office phone number?

The practice phone on file for Dr. Maddox is (706) 629-2895.

What is Dr. Spencer Collin Maddox's medical license number?

Dr. Maddox holds Georgia license 77070.

Which hospitals is Dr. Spencer Collin Maddox affiliated with?

Dr. Maddox practices at AdventHealth Gordon in Calhoun, Georgia. Dr. Maddox is also affiliated with AdventHealth Redmond. Dmand AI links Dr. Maddox to 1 more hospital.

What medical group is Dr. Spencer Collin Maddox part of?

Dr. Maddox is linked to AdventHealth Medical Group. Dmand AI links Dr. Maddox to 3 more medical groups.

Does Dr. Spencer Collin Maddox accept Medicare?

Yes. CMS data shows Dr. Maddox billed Medicare for 5,796 services in 2024, and Dr. Maddox accepts Medicare assignment.

What is Dr. Spencer Collin Maddox's MIPS score?

Dr. Maddox's MIPS final score for performance year 2024 is 84 out of 100, reported as part of a group.

How many Medicare patients does Dr. Spencer Collin Maddox see?

CMS counts 1,955 Medicare patients who saw Dr. Maddox in 2024, with an average age of 74.

Show 5 more questionsShow fewer questions

What services does Dr. Spencer Collin Maddox bill to Medicare?

In 2024, Dr. Maddox's most billed Medicare services were heart test or procedure (93010), office visit, established patient (99214) and heart test or procedure (93000).

Where did Dr. Spencer Collin Maddox go to medical school?

Dr. Maddox graduated from Medical College of Georgia School of Medicine in 2014.

What drugs does Dr. Spencer Collin Maddox prescribe most?

In 2024 Medicare Part D data, Dr. Maddox's most prescribed drugs by claims were Furosemide, Eliquis and Amlodipine Besylate.

Has Dr. Spencer Collin Maddox received payments from drug or device companies?

CMS Open Payments shows $3,118 in general payments to Dr. Maddox from 27 companies from 2016 to 2025. The largest total came from ZOLL Services LLC (A/K/A ZOLL LifeCor Corp).

How long has Dr. Spencer Collin Maddox been practicing?

Dr. Maddox graduated from medical school in 2014, 12 years ago.

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