Dr. Andrew Davis Assaf, MD

  • Longview, TX
  • Interventional cardiologist
NPI1508214321PAC ID9739517988
Medicare services, 2024
1,747
Medicare patients, 2024
607
Part D claims, 2024
1,085
Publications
12
Hospital affiliations
4
Practice address
700 E Marshall Ave, Longview, TX 75601
Practice phone
Call (903) 315-2000
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Good Shepherd Medical Center - Longview

Longview, Texas

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Dr. Andrew Davis Assaf is an interventional cardiologist in Longview, Texas

Dr. Assaf practices at Good Shepherd Medical Center - Longview in Longview, Texas.

Dr. Assaf's NPI, 1508214321, was assigned on June 2, 2016. Dr. Assaf graduated from Lebanese American University Gilbert and Rose-Marie Chagoury School of Medicine in 2014. Dr. Assaf holds Texas license T7486.

NPI and contact details
Medicare PAC ID
9739517988
NPI enumeration date
June 2, 2016
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(903) 315-2000
Professional email
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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 Practice Data; and Doctors and Clinicians National Downloadable File (CMS)

Dr. Andrew Davis Assaf practices at Good Shepherd Medical Center - Longview in Longview, Texas

Dr. Assaf's primary practice is Good Shepherd Medical Center - Longview, at 700 E Marshall Ave, Longview, TX 75601 in Gregg County. The practice phone is (903) 315-2000.

  • Good Shepherd Medical Center - Longview
    700 E Marshall Ave, Longview, TX 75601 · Gregg CountyPhone(903) 315-2000

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

Dr. Andrew Davis Assaf is affiliated with 7 sites of care and 3 medical groups

Dr. Assaf's primary practice is Good Shepherd Medical Center - Longview in Longview, Texas. Dr. Assaf is also affiliated with CHRISTUS Good Shepherd Medical Center - Longview. The medical group on file is CHRISTUS Trinity Clinic. Dmand AI also links Dr. Assaf to 3 more hospitals, 2 group practices and clinics and 2 medical groups, each named with a free account.

See all 10 affiliations for Dr. Assaf

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

Dmand AI tracks the EHR system at Dr. Andrew Davis Assaf's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Assaf practices, 6 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Good Shepherd Medical Center - LongviewAvailable with a free account
+6 more sites and 2 medical groupsAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Andrew Davis Assaf is one of 650 interventional cardiologists in Texas

Interventional cardiology is Dr. Assaf's primary specialty in the NPI Registry, under taxonomy code 207RI0011X. Dr. Assaf is board certified in cardiovascular disease by the American Board of Internal Medicine. Dmand AI has Dr. Assaf's licenses on file in 2 states: Texas and Michigan.

Specialties and state licenses

  • Interventional cardiology, TexasPrimaryLicense T7486 · 2022 to 2026 · taxonomy 207RI0011X
  • Cardiovascular disease, MichiganLicense 4301117371 · 2019 to 2026 · taxonomy 207RC0000X

Clinical focus

Dmand AI lists cardiac catheterization among the conditions Dr. Assaf treats.

Interventional cardiologists near Dr. Assaf

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

650interventional cardiologists in Texas
9interventional cardiologists in Longview

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

Dr. Andrew Davis Assaf billed Medicare for 1,747 services in 2024

CMS data shows 1,747 Medicare services from Dr. Assaf across 21 procedure codes in 2024, for 607 Medicare patients. Medicare paid $84,168 for them.

Medicare services, 20241,747
Medicare patients607
Paid by Medicare$84,168
Procedure codes21

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

  • 2023
  • 2024
Tests and treatments
2023: 2012024: 944370%
Office and hospital visits
2023: 1532024: 689350%
Imaging
2023: 02024: 68
Other services
2023: 02024: 46

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

  • In an office553%
  • In a facility1,69297%

Dr. Assaf compared with the Texas median for interventional cardiologists, 2024

  • Dr. Assaf
  • Texas median
Medicare services
1,747vs 2,04114% below
Medicare patients
607vs 6547% below
Part D claims
956vs 2,42060% below

Medians across 640 interventional cardiologists in Texas with Dmand AI profiles that report each measure.

Dr. Assaf'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. Assaf

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

Dr. Andrew Davis Assaf treated 607 Medicare patients in 2024, average age 74

CMS counts 607 Medicare patients who saw Dr. Assaf in 2024. The largest group is 65 to 74, with 255 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 13% are also on Medicaid. Their average risk score is 1.76, 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. Assaf's median patient age at 66, with 54% women.

Medicare patients, 2024607
Average age74
Average risk score1.76
Also on Medicaid13%

Dr. Assaf's Medicare patients by age, 2024

Dr. Assaf's Medicare patients by sex, 2024

  • Women32053%
  • Men28747%

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

  1. High blood pressure75%
  2. High cholesterol75%
  3. Arthritis55%
  4. Ischemic heart disease49%
  5. Diabetes43%
  6. Heart failure40%
  7. Atrial fibrillation36%
  8. COPD35%

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

Dr. Assaf's patients across all payers

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

Patient panel by age, all payers

Median age 66

Patient panel by sex, all payers

  • Women54%
  • Men45%

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

Dr. Andrew Davis Assaf wrote 1,085 Medicare Part D claims in 2024

In 2024, Dr. Assaf wrote 1,085 Medicare Part D claims for 257 patients. 89% of them were for generic drugs. CMS names the drug for 956 of them, across 26 drugs with 11 or more claims each, at $98,211 in total drug cost. In 2023, CMS named 66 claims across 1 drug.

Part D claims, 20241,085
Drugs named by CMS26
Total drug cost$98,211
Part D patients257

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

  • Generic961 claims89%
  • Brand-name124 claims11%

Dr. Assaf'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: 662024: 9561348%

Drugs named by CMS: 26 in 2024, 1 in 2023.

See all prescribing by Dr. Assaf

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. Andrew Davis Assaf ranks in the 63rd percentile for coronary angioplasty and stenting in Medicare

Dr. Assaf accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 28 procedures of coronary angioplasty and stenting by Dr. Assaf, more than 63% of the clinicians it reports for that procedure.

Accepts Medicare assignment
Yes

Where Dr. Assaf ranks in Medicare procedure volume

Coronary angioplasty and stenting
63rd percentile28 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); and Doctors and Clinicians Utilization Data (CMS)

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Dr. Andrew Davis Assaf has 12 publications on record

Dmand AI links 12 papers to Dr. Assaf, published from 2017 to 2025. 2023 was the busiest year, with 3. Dr. Assaf has published most often in Cureus. Dr. Assaf's most frequent co-authors are Marcel E. Zughaib, MD, Yogamaya Mantha and Marc Thomas Zughaib, DO.

Papers12
Years published2017 to 2025

Dr. Assaf's papers by year, 2017 to 2025

Dr. Assaf's most frequent co-authors

Recent publications by Dr. Assaf

See all 12 publications and co-authors

See who Dr. Assaf researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Assaf 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. Andrew Davis Assaf received $14,886 in industry payments from 2019 to 2025

CMS Open Payments shows 215 general payments to Dr. Assaf from 30 drug and device companies from 2019 to 2025. Food and beverage make up the largest share, 77% of the total. Abbott Laboratories paid the most, $6,515.

General payments to Dr. Assaf by program year, 2019 to 2025

General payments to Dr. Assaf by kind, 2019 to 2025

$14.9Kin total
  • Food and beverage$11,44177%
  • Travel and lodging$2,78719%
  • Education$6444%
  • Entertainment$150%

Companies that paid Dr. Assaf the most, 2019 to 2025

Share is of all general payments to this clinician.

See all payments to Dr. Assaf

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

Dr. Andrew Davis Assaf has 1 award and honors on record

Dmand AI lists 1 award for Dr. Assaf, most recently Resident of The Year in 2019.

Awards and honors for Dr. Assaf

  1. 2019
    • Resident of The Year

Source: Dmand AI Professional Profile Data

Dr. Andrew Davis Assaf graduated from Lebanese American University Gilbert and Rose-Marie Chagoury School of Medicine

Dr. Assaf graduated from Lebanese American University Gilbert and Rose-Marie Chagoury School of Medicine in 2014.

  1. Medical schoolLebanese American University Gilbert and Rose-Marie Chagoury School of Medicine
  2. Board certified in cardiovascular diseaseAmerican Board of Internal Medicine
  3. Board certified in internal medicineAmerican Board of Internal Medicine
  4. Board certified in interventional cardiologyAmerican Board of Internal Medicine

Source: Dmand AI Professional Profile Data

Dr. Andrew Davis Assaf accepts plans from 21 insurance carriers

Dr. Assaf is in network with 21 carriers, including Aetna, Blue Cross Blue Shield of Michigan and United Healthcare. PPO plans come from the most carriers, 13. Check the plan with the practice before a visit.

Plan types Dr. Assaf accepts, by number of carriers

  1. PPO13
  2. HMO12
  3. Medicare10
  4. POS4
  5. EPO3

Source: Dmand AI Insurance Network Data

Sources for Dr. Andrew Davis Assaf'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 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)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)
Awards and committee rolesDmand AI Professional Profile Data
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. Andrew Davis Assaf

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. Andrew Davis Assaf's NPI number?

Dr. Andrew Davis Assaf's NPI number is 1508214321. It was assigned on June 2, 2016, and it is active in the NPI Registry.

What kind of doctor is Dr. Andrew Davis Assaf?

Dr. Andrew Davis Assaf is an interventional cardiologist in Longview, Texas. The primary specialty in the NPI Registry is Interventional Cardiology Physician (taxonomy code 207RI0011X).

Where does Dr. Andrew Davis Assaf practice?

Dr. Assaf practices at 700 E Marshall Ave, Longview, TX 75601. Dr. Assaf's primary practice is Good Shepherd Medical Center - Longview in Longview, Texas. Dmand AI also links Dr. Assaf to 3 hospitals, 2 group practices and clinics and 2 medical groups.

What is Dr. Andrew Davis Assaf's office phone number?

The practice phone on file for Dr. Assaf is (903) 315-2000.

What is Dr. Andrew Davis Assaf's medical license number?

Dr. Assaf holds Texas license T7486, one of the licenses on file in 2 states.

Which states has Dr. Andrew Davis Assaf been licensed in?

Dmand AI has state licenses on file for Dr. Assaf in Texas (2022 to 2026) and Michigan (2019 to 2026).

Which hospitals is Dr. Andrew Davis Assaf affiliated with?

Dr. Assaf is affiliated with CHRISTUS Good Shepherd Medical Center - Longview. Dmand AI links Dr. Assaf to 3 more hospitals.

What medical group is Dr. Andrew Davis Assaf part of?

Dr. Assaf is linked to CHRISTUS Trinity Clinic. Dmand AI links Dr. Assaf to 2 more medical groups.

Does Dr. Andrew Davis Assaf accept Medicare?

Yes. CMS data shows Dr. Assaf billed Medicare for 1,747 services in 2024, and Dr. Assaf accepts Medicare assignment.

How many Medicare patients does Dr. Andrew Davis Assaf see?

CMS counts 607 Medicare patients who saw Dr. Assaf in 2024, with an average age of 74.

Show 9 more questionsShow fewer questions

Is Dr. Andrew Davis Assaf board certified?

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

What services does Dr. Andrew Davis Assaf bill to Medicare?

In 2024, Dr. Assaf's most billed Medicare services were heart test or procedure (93010), heart test or procedure (93306) and office visit, established patient (99214).

Where did Dr. Andrew Davis Assaf go to medical school?

Dr. Assaf graduated from Lebanese American University Gilbert and Rose-Marie Chagoury School of Medicine in 2014.

What drugs does Dr. Andrew Davis Assaf prescribe most?

In 2024 Medicare Part D data, Dr. Assaf's most prescribed drugs by claims were Rosuvastatin Calcium, Carvedilol and Metoprolol Succinate.

Has Dr. Andrew Davis Assaf received payments from drug or device companies?

CMS Open Payments shows $14,886 in general payments to Dr. Assaf from 30 companies from 2019 to 2025. The largest total came from Abbott Laboratories.

How long has Dr. Andrew Davis Assaf been practicing?

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

Does Dr. Andrew Davis Assaf do research?

Dmand AI links 12 publications to Dr. Assaf, published from 2017 to 2025.

Who does Dr. Andrew Davis Assaf publish with?

Dr. Assaf's most frequent co-authors are Marcel E. Zughaib, MD (7 shared papers), Yogamaya Mantha (4 shared papers) and Marc Thomas Zughaib, DO (3 shared papers).

What insurance does Dr. Andrew Davis Assaf accept?

Dr. Assaf is in network with 21 carriers, including Aetna, Blue Cross Blue Shield of Michigan and United Healthcare. PPO plans come from the most carriers, 13. Check the plan with the practice before a visit.

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