J Am Board Fam Med
Dr. Tim T. Issac, MD
- Medicare services, 2024
- 2,535
- Medicare patients, 2024
- 490
- Part D claims, 2024
- 3,981
- Publications
- 1
- Hospital affiliations
- 4
- Practice address
- 8144 Walnut Hill Ln, Dallas, TX 75231
- Practice phone
- Call (469) 513-2666
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Premier Cardiovascular Care of Dallas
Dallas, Texas
Find Dr. Issac'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. Tim T. Issac is a cardiologist in Dallas, Texas
Dr. Issac practices at Premier Cardiovascular Care of Dallas in Dallas, Texas.
Dr. Issac's NPI, 1013116805, was assigned on July 12, 2007. Dr. Issac graduated from Creighton University School of Medicine - Omaha in 2004. Dr. Issac's Texas license number on file is N6379.
- NPI
- 1013116805NPI Registry (opens in a new tab)
- Medicare PAC ID
- 7113191727
- NPI enumeration date
- July 12, 2007
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (469) 513-2666
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 48
- Medical school graduation
- 2004
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Tim T. Issac practices at Premier Cardiovascular Care of Dallas in Dallas, Texas
Dr. Issac's primary practice is Premier Cardiovascular Care of Dallas, at 8144 Walnut Hill Ln, Dallas, TX 75231 in Dallas County. The practice phone is (469) 513-2666.
- Premier Cardiovascular Care of Dallas8144 Walnut Hill Ln, Dallas, TX 75231 · Dallas CountyPhone(469) 513-2666
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Tim T. Issac is affiliated with 6 sites of care and 1 medical group
Dr. Issac's primary practice is Premier Cardiovascular Care of Dallas in Dallas, Texas. Dr. Issac is also affiliated with Methodist Dallas Medical Center. The medical group on file is Premier Cardiovascular Care. Dmand AI also links Dr. Issac to 3 more hospitals and 1 group practice or clinic, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Tim T. Issac's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Issac practices, 5 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Premier Cardiovascular Care of Dallas | Available with a free account |
| +5 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Tim T. Issac is one of 1,481 cardiologists in Texas
Cardiovascular disease is Dr. Issac's primary specialty in the NPI Registry, under taxonomy code 207RC0000X. Dr. Issac is board certified in cardiovascular disease by the American Board of Internal Medicine. Dmand AI has Dr. Issac's licenses on file in 3 states: Texas, Colorado and New Mexico.
Specialties and state licenses
- Cardiovascular disease, TexasPrimary
- Colorado license
- New Mexico license
Clinical focus
Dmand AI lists aneurysm, angioplasty, atrial fibrillation and flutter, cardiac catheterization, cardiomyopathy, cerebrovascular disease, chronic embolism thrombosis and chronic hypertension among the conditions Dr. Issac treats.
Cardiologists near Dr. Issac
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. Tim T. Issac billed Medicare for 2,535 services in 2024
CMS data shows 2,535 Medicare services from Dr. Issac across 27 procedure codes in 2024, for 490 Medicare patients. Medicare paid $197,042 for them.
Dr. Issac's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 2,0872024: 1,04450%
- Tests and treatments
- 2023: 7952024: 65617%
- Other services
- 2023: 1252024: 497298%
- Drugs given in the office
- 2023: 2162024: 18415%
- Imaging
- 2023: 3602024: 13164%
- Surgery
- 2023: 1982024: 2388%
Where Dr. Issac's Medicare services took place, 2024
- In an office1,94977%
- In a facility58623%
Dr. Issac compared with the Texas median for cardiologists, 2024
- Dr. Issac
- Texas median
- Medicare services
- 2,535vs 1,95530% above
- Medicare patients
- 490vs 62822% below
- Part D claims
- 3,737vs 2,23267% above
Medians across 1,431 cardiologists in Texas with Dmand AI profiles that report each measure.
Dr. Issac'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. Issac?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Issac and other cardiologists in Texas.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Tim T. Issac treated 490 Medicare patients in 2024, average age 75
CMS counts 490 Medicare patients who saw Dr. Issac in 2024. The largest group is 65 to 74, with 195 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 15% are also on Medicaid. Their average risk score is 2.09, 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. Issac's median patient age at 72, with 54% women.
Dr. Issac's Medicare patients by age, 2024
Dr. Issac's Medicare patients by sex, 2024
- Women28358%
- Men20742%
Chronic conditions among Dr. Issac's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis57%
- Diabetes48%
- Ischemic heart disease46%
- Chronic kidney disease41%
- Heart failure38%
- Atrial fibrillation31%
Share of Medicare patients with each condition. A patient can have several.
Dr. Issac's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 72
Patient panel by sex, all payers
- Women54%
- Men44%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Tim T. Issac wrote 3,981 Medicare Part D claims in 2024
In 2024, Dr. Issac wrote 3,981 Medicare Part D claims for 626 patients. 78% of them were for generic drugs. CMS names the drug for 3,737 of them, across 42 drugs with 11 or more claims each, at $776,113 in total drug cost. In 2023, CMS named 3,764 claims across 41 drugs.
Dr. Issac's Part D claims by kind of drug, 2024
- Generic3,089 claims78%
- Brand-name and other892 claims22%
Dr. Issac'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: 3,7642024: 3,7371%
Drugs named by CMS: 42 in 2024, 41 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. Tim T. Issac ranks in the 50th percentile for coronary angioplasty and stenting in Medicare
Dr. Issac accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 20 procedures of coronary angioplasty and stenting by Dr. Issac, more than 50% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Where Dr. Issac ranks in Medicare procedure volume
- Coronary angioplasty and stenting
- 50th percentile20 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)
Varicose vein removal: 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. Tim T. Issac has 1 publication on record
Dmand AI links 1 paper to Dr. Issac. Dr. Issac's most frequent co-authors are Mark Edwin Kunik, MD, MPH and Aanand Dinkar Naik, MD.
Dr. Issac's most frequent co-authors
Recent publications by Dr. Issac
See who Dr. Issac researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Issac works with, so you can find a warm path to the right cardiologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Tim T. Issac received $55,546 in industry payments from 2016 to 2025
CMS Open Payments shows 1,351 general payments to Dr. Issac from 64 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 70% of the total. Cardiovascular Systems Inc. paid the most, $18,964.
General payments to Dr. Issac by program year, 2016 to 2025
General payments to Dr. Issac by kind, 2016 to 2025
- Food and beverage$38,66970%
- Education speaker fees$10,87520%
- Speaker and faculty fees$3,0606%
- Travel and lodging$1,8433%
- Other$1,0992%
Companies that paid Dr. Issac the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Tim T. Issac has 3 awards and honors on record
Dmand AI lists 3 awards for Dr. Issac, most recently CMS Stage 1 EHR in 2013.
Awards and honors for Dr. Issac
- 2013
- CMS Stage 1 EHR
- Undated
- ACC Fellow
- Fellow (FSCAI)
Source: Dmand AI Professional Profile Data
Dr. Tim T. Issac graduated from Creighton University School of Medicine - Omaha
Dr. Issac graduated from Creighton University School of Medicine - Omaha in 2004. Dr. Issac is a member of ACC.
- Medical school
- Board certified in cardiovascular disease
- Board certified in interventional cardiology
Source: Dmand AI Professional Profile Data
Dr. Tim T. Issac accepts plans from 23 insurance carriers
Dr. Issac is in network with 23 carriers, including Elevance, Aetna and Blue Cross Blue Shield of Michigan. PPO plans come from the most carriers, 14. Check the plan with the practice before a visit.
- Elevance
- Aetna
- Blue Cross Blue Shield of Michigan
- United Healthcare
- Cigna
- HCSC
- Humana
- Alliant Health Plans
- +15 more carriersWith a free account
Plan types Dr. Issac accepts, by number of carriers
- PPO14
- HMO13
- Medicare11
- POS5
- EPO4
- Medicaid1
Source: Dmand AI Insurance Network Data
Sources for Dr. Tim T. Issac'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 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. Tim T. Issac
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. Tim T. Issac's NPI number?
Dr. Tim T. Issac's NPI number is 1013116805. It was assigned on July 12, 2007, and it is active in the NPI Registry.
What kind of doctor is Dr. Tim T. Issac?
Dr. Tim T. Issac is a cardiologist in Dallas, Texas. The primary specialty in the NPI Registry is Cardiovascular Disease Physician (taxonomy code 207RC0000X).
Where does Dr. Tim T. Issac practice?
Dr. Issac practices at 8144 Walnut Hill Ln, Dallas, TX 75231. Dr. Issac's primary practice is Premier Cardiovascular Care of Dallas in Dallas, Texas. Dmand AI also links Dr. Issac to 3 hospitals and 1 group practice or clinic.
What is Dr. Tim T. Issac's office phone number?
The practice phone on file for Dr. Issac is (469) 513-2666.
What is Dr. Tim T. Issac's medical license number?
Dr. Issac's Texas license number on file is N6379, one of the licenses on file in 3 states.
Which states has Dr. Tim T. Issac been licensed in?
Dmand AI has state licenses on file for Dr. Issac in Texas (2010 to 2025), Colorado (2010 to 2013) and New Mexico (2007 to 2011).
Which hospitals is Dr. Tim T. Issac affiliated with?
Dr. Issac is affiliated with Methodist Dallas Medical Center. Dmand AI links Dr. Issac to 3 more hospitals.
What medical group is Dr. Tim T. Issac part of?
Dr. Issac is linked to Premier Cardiovascular Care.
Does Dr. Tim T. Issac accept Medicare?
Yes. CMS data shows Dr. Issac billed Medicare for 2,535 services in 2024, and Dr. Issac accepts Medicare assignment.
How many Medicare patients does Dr. Tim T. Issac see?
CMS counts 490 Medicare patients who saw Dr. Issac in 2024, with an average age of 75.
Show 9 more questionsShow fewer questions
Is Dr. Tim T. Issac board certified?
Yes. Dr. Issac is board certified in cardiovascular disease by the American Board of Internal Medicine.
What services does Dr. Tim T. Issac bill to Medicare?
In 2024, Dr. Issac's most billed Medicare services were office visit, established patient (99214), medicare service (G2211) and injected or infused drug (J2785).
Where did Dr. Tim T. Issac go to medical school?
Dr. Issac graduated from Creighton University School of Medicine - Omaha in 2004.
What drugs does Dr. Tim T. Issac prescribe most?
In 2024 Medicare Part D data, Dr. Issac's most prescribed drugs by claims were Clopidogrel, Eliquis and Amlodipine Besylate.
Has Dr. Tim T. Issac received payments from drug or device companies?
CMS Open Payments shows $55,546 in general payments to Dr. Issac from 64 companies from 2016 to 2025. The largest total came from Cardiovascular Systems Inc.
How long has Dr. Tim T. Issac been practicing?
Dr. Issac graduated from medical school in 2004, 22 years ago.
Does Dr. Tim T. Issac do research?
Dmand AI links 1 publication to Dr. Issac.
Who does Dr. Tim T. Issac publish with?
Dr. Issac's most frequent co-authors are Mark Edwin Kunik, MD, MPH (1 shared paper) and Aanand Dinkar Naik, MD (1 shared paper).
What insurance does Dr. Tim T. Issac accept?
Dr. Issac is in network with 23 carriers, including Elevance, Aetna and Blue Cross Blue Shield of Michigan. PPO plans come from the most carriers, 14. Check the plan with the practice before a visit.
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