Dr. Andrew Davis Assaf, MD
- 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
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Good Shepherd Medical Center - Longview
Longview, Texas
Find Dr. Assaf's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
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
- 1508214321NPI Registry (opens in a new tab)
- Medicare PAC ID
- 9739517988
- NPI enumeration date
- June 2, 2016
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (903) 315-2000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- 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 - Longview700 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.
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.
| Site | EHR vendor and product |
|---|---|
| Good Shepherd Medical Center - Longview | Available with a free account |
| +6 more sites and 2 medical groups | Available 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, TexasPrimary
- Cardiovascular disease, Michigan
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.
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.
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.
Need commercial claims for Dr. Assaf?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Assaf and other interventional cardiologists in Texas.
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.
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
- High blood pressure75%
- High cholesterol75%
- Arthritis55%
- Ischemic heart disease49%
- Diabetes43%
- Heart failure40%
- Atrial fibrillation36%
- 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.
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.
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.
Dr. Assaf's papers by year, 2017 to 2025
Dr. Assaf's most frequent co-authors
- Marcel E. Zughaib, MD7 shared papers
- Yogamaya Mantha4 shared papers
- Marc Thomas Zughaib, DO3 shared papers
Recent publications by Dr. Assaf
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.
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
- 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.
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
- 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.
- Medical school
- Board certified in cardiovascular disease
- Board certified in internal medicine
- Board certified in interventional cardiology
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.
- Aetna
- Blue Cross Blue Shield of Michigan
- United Healthcare
- Cigna
- HCSC
- Humana
- Alliant Health Plans
- Blue Cross Blue Shield of Massachusetts
- +13 more carriersWith a free account
Plan types Dr. Assaf accepts, by number of carriers
- PPO13
- HMO12
- Medicare10
- POS4
- EPO3
Source: Dmand AI Insurance Network Data
Sources for Dr. Andrew Davis Assaf's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare 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 percentiles | Doctors 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-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Awards and committee roles | Dmand AI Professional Profile Data |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| Insurance carriers and plan types | Dmand AI Insurance Network Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand 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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