Dr. Ryan Gary Master, MD

  • Bossier City, LA
  • Interventional cardiologist
NPI1235368390PAC ID0042448631
Medicare services, 2024
1,629
Medicare patients, 2024
547
Part D claims, 2024
5,980
Publications
5
MIPS score, 2024
92
Practice address
5751 Shed Rd, Bossier City, LA 71111
Practice phone
Call (318) 212-8780
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

WK Pierremont Cardiology

Bossier City, Louisiana

See all 5 affiliations

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Dr. Ryan Gary Master is an interventional cardiologist in Bossier City, Louisiana

Dr. Master practices at WK Pierremont Cardiology in Bossier City, Louisiana.

Dr. Master's NPI, 1235368390, was assigned on July 10, 2009. Dr. Master graduated from Louisiana State University School of Medicine in Shreveport in 2009. Dr. Master holds Louisiana license 303263.

NPI and contact details
Medicare PAC ID
0042448631
NPI enumeration date
July 10, 2009
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(318) 212-8780
Professional email
Get email
Personal email
Get email
Mobile number
Get number
Sex
Male
Estimated age
43
Medical school graduation
2009

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

Dr. Ryan Gary Master practices at WK Pierremont Cardiology in Bossier City, Louisiana

Dr. Master's primary practice is WK Pierremont Cardiology, at 5751 Shed Rd, Bossier City, LA 71111 in Bossier Parish. The practice phone is (318) 212-8780.

  • WK Pierremont Cardiology
    5751 Shed Rd, Bossier City, LA 71111 · Bossier ParishPhone(318) 212-8780

Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data

Dr. Ryan Gary Master is affiliated with 4 sites of care and 1 medical group

Dr. Master's primary practice is WK Pierremont Cardiology in Bossier City, Louisiana. Dr. Master is also affiliated with Willis Knighton North. The medical group on file is Willis Knighton Pierremont Cardiology. Dmand AI also links Dr. Master to 1 more hospital and 1 group practice or clinic, each named with a free account.

See all 5 affiliations for Dr. Master

Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data

Dmand AI tracks the EHR system at Dr. Ryan Gary Master's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Master practices, 3 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
WK Pierremont CardiologyAvailable with a free account
+3 more affiliated sitesAvailable with a free account

Source: Dmand AI Technology Install Data

For health IT teams

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Dr. Ryan Gary Master is one of 166 interventional cardiologists in Louisiana

Interventional cardiology is Dr. Master's primary specialty in the NPI Registry, under taxonomy code 207RI0011X. Dmand AI has Dr. Master's licenses on file in 2 states: Louisiana and Texas.

Specialties and state licenses

  • Interventional cardiology, LouisianaPrimaryLicense 303263 · taxonomy 207RI0011X
  • Texas licenseLicense P6028

Clinical focus

Dmand AI lists aneurysm, angioplasty, atrial fibrillation and flutter, cardiac catheterization, cardiomyopathy, cerebrovascular disease, chronic hypertension and chronic skin ulcer among the conditions Dr. Master treats.

Interventional cardiologists near Dr. Master

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

166interventional cardiologists in Louisiana
2interventional cardiologists in Bossier City

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

Dr. Ryan Gary Master billed Medicare for 1,629 services in 2024

CMS data shows 1,629 Medicare services from Dr. Master across 29 procedure codes in 2024, for 547 Medicare patients. Medicare paid $107,763 for them.

Medicare services, 20241,629
Medicare patients547
Paid by Medicare$107,763
Procedure codes29

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

  • 2023
  • 2024
Tests and treatments
2023: 1,1002024: 91717%
Office and hospital visits
2023: 8832024: 62629%
Imaging
2023: 502024: 3824%
Surgery
2023: 192024: 3268%
Other services
2023: 242024: 1633%
Drugs given in the office
2023: 522024: 0100%

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

  • In an office1,23376%
  • In a facility39624%

Dr. Master compared with the Louisiana median for interventional cardiologists, 2024

  • Dr. Master
  • Louisiana median
Medicare services
1,629vs 2,67039% below
Medicare patients
547vs 72625% below
Part D claims
5,787vs 5,10213% above

Medians across 167 interventional cardiologists in Louisiana with Dmand AI profiles that report each measure.

Dr. Master'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. Master

Need commercial claims for Dr. Master?

Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Master and other interventional cardiologists in Louisiana.

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

Dr. Ryan Gary Master treated 547 Medicare patients in 2024, average age 78

CMS counts 547 Medicare patients who saw Dr. Master in 2024. The largest group is 75 to 84, with 266 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 12% are also on Medicaid. Their average risk score is 1.72, 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. Master's median patient age at 75, with 45% women.

Medicare patients, 2024547
Average age78
Average risk score1.72
Also on Medicaid12%

Dr. Master's Medicare patients by age, 2024

Dr. Master's Medicare patients by sex, 2024

  • Women25647%
  • Men29153%

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

  1. High blood pressure75%
  2. High cholesterol75%
  3. Arthritis62%
  4. Ischemic heart disease59%
  5. Atrial fibrillation46%
  6. Diabetes43%
  7. Heart failure43%
  8. Chronic kidney disease37%

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

Dr. Master's patients across all payers

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

Patient panel by age, all payers

Median age 75

Patient panel by sex, all payers

  • Women45%
  • Men52%

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

Dr. Ryan Gary Master wrote 5,980 Medicare Part D claims in 2024

In 2024, Dr. Master wrote 5,980 Medicare Part D claims for 679 patients. 80% of them were for generic drugs. CMS names the drug for 5,787 of them, across 60 drugs with 11 or more claims each, at $1,054,020 in total drug cost. In 2023, CMS named 5,388 claims across 64 drugs.

Part D claims, 20245,980
Drugs named by CMS60
Total drug cost$1.1M
Part D patients679

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

  • Generic4,770 claims80%
  • Brand-name1,210 claims20%

Dr. Master'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: 5,3882024: 5,7877%

Drugs named by CMS: 60 in 2024, 64 in 2023.

See all prescribing by Dr. Master

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. Ryan Gary Master scored 92 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 92 out of 100 for Dr. Master for performance year 2024, reported through an alternative payment model (APM). Dr. Master accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 17 procedures of coronary angioplasty and stenting by Dr. Master, more than 44% of the clinicians it reports for that procedure.

Accepts Medicare assignment
Yes

Dr. Master's MIPS scores, performance year 2024

  • 92of 100Final score
  • 81.4of 100Quality
  • 95of 100Promoting Interoperability
  • 40of 100Improvement Activities

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

Where Dr. Master ranks in Medicare procedure volume

Coronary angioplasty and stenting
44th percentile17 procedures

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

Leg revascularization (restoring blood flow): 1 to 10 procedures (CMS shows small counts as a range)

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. Ryan Gary Master has 5 publications on record

Dmand AI links 5 papers to Dr. Master, published from 2010 to 2022. The most frequent topics are Coronary Occlusion, Stents and Coronary Vessels. Dr. Master has published most often in J Invasive Cardiol. Dr. Master's most frequent co-authors are Subhash Banerjee, MD, Joseph L. Fredi, MD and Ahmad Iqbal, MD.

Papers5
Years published2010 to 2022

Topics Dr. Master writes about most

  • Coronary Occlusion
  • Stents
  • Coronary Vessels

Dr. Master's most frequent co-authors

Recent publications by Dr. Master

See all 5 publications and co-authors

See who Dr. Master researches with

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

How network discovery works

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

Dr. Ryan Gary Master received $23,765 in industry payments from 2016 to 2025

CMS Open Payments shows 467 general payments to Dr. Master from 56 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 64% of the total. Penumbra, Inc. paid the most, $3,252.

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

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

$23.8Kin total
  • Food and beverage$15,27064%
  • Travel and lodging$8,46336%
  • Education$320%

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

Share is of all general payments to this clinician.

See all payments to Dr. Master

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

Dr. Ryan Gary Master graduated from Louisiana State University School of Medicine in Shreveport

Dr. Master graduated from Louisiana State University School of Medicine in Shreveport in 2009.

  1. Medical schoolLouisiana State University School of Medicine in Shreveport

Source: Dmand AI Professional Profile Data

Dr. Ryan Gary Master accepts plans from 13 insurance carriers

Dr. Master is in network with 13 carriers, including Aetna, United Healthcare and Blue Cross Blue Shield of Michigan. PPO plans come from the most carriers, 10. Check the plan with the practice before a visit.

  • Aetna
  • United Healthcare
  • Blue Cross Blue Shield of Michigan
  • Elevance
  • HCSC
  • Alliant Health Plans
  • Blue Cross Blue Shield of Massachusetts
  • Humana
  • +5 more carriersWith a free account

Plan types Dr. Master accepts, by number of carriers

  1. PPO10
  2. Medicare7
  3. HMO6
  4. POS5
  5. EPO1
  6. Medicaid1

Source: Dmand AI Insurance Network Data

Sources for Dr. Ryan Gary Master'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 phoneNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data
Primary practice, affiliations and health systemNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation 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. Ryan Gary Master

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. Ryan Gary Master's NPI number?

Dr. Ryan Gary Master's NPI number is 1235368390. It was assigned on July 10, 2009, and it is active in the NPI Registry.

What kind of doctor is Dr. Ryan Gary Master?

Dr. Ryan Gary Master is an interventional cardiologist in Bossier City, Louisiana. The primary specialty in the NPI Registry is Interventional Cardiology Physician (taxonomy code 207RI0011X).

Where does Dr. Ryan Gary Master practice?

Dr. Master practices at 5751 Shed Rd, Bossier City, LA 71111. Dr. Master's primary practice is WK Pierremont Cardiology in Bossier City, Louisiana. Dmand AI also links Dr. Master to 1 hospital and 1 group practice or clinic.

What is Dr. Ryan Gary Master's office phone number?

The practice phone on file for Dr. Master is (318) 212-8780.

What is Dr. Ryan Gary Master's medical license number?

Dr. Master holds Louisiana license 303263, one of the licenses on file in 2 states.

Which states has Dr. Ryan Gary Master been licensed in?

Dmand AI has state licenses on file for Dr. Master in Louisiana and Texas.

Which hospitals is Dr. Ryan Gary Master affiliated with?

Dr. Master is affiliated with Willis Knighton North. Dmand AI links Dr. Master to 1 more hospital.

What medical group is Dr. Ryan Gary Master part of?

Dr. Master is linked to Willis Knighton Pierremont Cardiology.

Does Dr. Ryan Gary Master accept Medicare?

Yes. CMS data shows Dr. Master billed Medicare for 1,629 services in 2024, and Dr. Master accepts Medicare assignment.

What is Dr. Ryan Gary Master's MIPS score?

Dr. Master's MIPS final score for performance year 2024 is 92 out of 100, reported through an alternative payment model (APM).

Show 9 more questionsShow fewer questions

How many Medicare patients does Dr. Ryan Gary Master see?

CMS counts 547 Medicare patients who saw Dr. Master in 2024, with an average age of 78.

What services does Dr. Ryan Gary Master bill to Medicare?

In 2024, Dr. Master's most billed Medicare services were heart test or procedure (93000), office visit, established patient (99214) and heart test or procedure (93306).

Where did Dr. Ryan Gary Master go to medical school?

Dr. Master graduated from Louisiana State University School of Medicine in Shreveport in 2009.

What drugs does Dr. Ryan Gary Master prescribe most?

In 2024 Medicare Part D data, Dr. Master's most prescribed drugs by claims were Atorvastatin Calcium, Eliquis and Metoprolol Succinate.

Has Dr. Ryan Gary Master received payments from drug or device companies?

CMS Open Payments shows $23,765 in general payments to Dr. Master from 56 companies from 2016 to 2025. The largest total came from Penumbra, Inc.

How long has Dr. Ryan Gary Master been practicing?

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

Does Dr. Ryan Gary Master do research?

Dmand AI links 5 publications to Dr. Master, published from 2010 to 2022.

Who does Dr. Ryan Gary Master publish with?

Dr. Master's most frequent co-authors are Subhash Banerjee, MD (4 shared papers), Joseph L. Fredi, MD (1 shared paper) and Ahmad Iqbal, MD (1 shared paper).

What insurance does Dr. Ryan Gary Master accept?

Dr. Master is in network with 13 carriers, including Aetna, United Healthcare and Blue Cross Blue Shield of Michigan. PPO plans come from the most carriers, 10. Check the plan with the practice before a visit.

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