Dr. Merlin Mathew, MD
- Medicare services, 2024
- 468
- Medicare patients, 2024
- 224
- Part D claims, 2024
- 294
- Hospital affiliations
- 2
- Medical groups
- 8
- Practice address
- 800 East Dawson, Tyler, TX 75701
- Practice phone
- Call (903) 593-8441
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Mathew's professional email, personal email and mobile number
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Dr. Merlin Mathew is an internist in Tyler, Texas
Dr. Mathew practices at CHRISTUS Mother Frances Hospital - Tyler in Tyler, Texas, part of CHRISTUS Health.
Dr. Mathew's NPI, 1700231586, was assigned on April 28, 2016. Dr. Mathew graduated from American University of Antigua College of Medicine in 2016. Dr. Mathew holds New York license 307761.
- NPI
- 1700231586NPI Registry (opens in a new tab)
- Medicare PAC ID
- 8022424746
- NPI enumeration date
- April 28, 2016
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (903) 593-8441
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 36
- Medical school graduation
- 2016
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Merlin Mathew practices at CHRISTUS Mother Frances Hospital - Tyler in Tyler, Texas
Dr. Mathew's primary practice is CHRISTUS Mother Frances Hospital - Tyler, at 800 East Dawson, Tyler, TX 75701 in Smith County. The practice phone is (903) 593-8441.
- CHRISTUS Mother Frances Hospital - Tyler800 East Dawson, Tyler, TX 75701 · Smith CountyPhone(903) 593-8441
Source: Dmand AI Affiliation Data
Dr. Merlin Mathew is affiliated with 3 sites of care and 8 medical groups
Dr. Mathew's primary practice is CHRISTUS Mother Frances Hospital - Tyler in Tyler, Texas, part of CHRISTUS Health. Dr. Mathew is also affiliated with Stone County Medical Center. The medical group on file is CHRISTUS Trinity Clinic. Dmand AI also links Dr. Mathew to 7 more medical groups and 1 group practice or clinic, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Merlin Mathew's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Mathew practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| CHRISTUS Mother Frances Hospital - Tyler | Available with a free account |
| +2 more sites and 7 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Merlin Mathew is one of 8,437 internists in Texas
Internal medicine is Dr. Mathew's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dmand AI has Dr. Mathew's licenses on file in 3 states: New York, Illinois and Texas.
Specialties and state licenses
- Internal medicine, New YorkPrimary
- Illinois license
- Hospitalist, Texas
Internists near Dr. Mathew
Counts of internists 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. Merlin Mathew billed Medicare for 468 services in 2024
CMS data shows 468 Medicare services from Dr. Mathew across 5 procedure codes in 2024, for 224 Medicare patients. Medicare paid $39,873 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Mathew's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 4652024: 4681%
Dr. Mathew compared with the Texas median for internists, 2024
- Dr. Mathew
- Texas median
- Medicare services
- 468vs 53913% below
- Medicare patients
- 224vs 19018% above
- Part D claims
- 113vs 28961% below
Medians across 7,794 internists in Texas with Dmand AI profiles that report each measure.
Dr. Mathew'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.
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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Merlin Mathew treated 224 Medicare patients in 2024, average age 76
CMS counts 224 Medicare patients who saw Dr. Mathew in 2024. The largest group is 75 to 84, with 91 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 19% are also on Medicaid. Their average risk score is 2.89, 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. Mathew's median patient age at 70, with 48% women.
Dr. Mathew's Medicare patients by age, 2024
Dr. Mathew's Medicare patients by sex, 2024
- Women10647%
- Men11853%
Chronic conditions among Dr. Mathew's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Ischemic heart disease62%
- Arthritis59%
- Diabetes58%
- Heart failure58%
- Chronic kidney disease55%
- Atrial fibrillation50%
Share of Medicare patients with each condition. A patient can have several.
Dr. Mathew's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 70
Patient panel by sex, all payers
- Women48%
- Men50%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Merlin Mathew wrote 294 Medicare Part D claims in 2024
In 2024, Dr. Mathew wrote 294 Medicare Part D claims for 128 patients. 87% of them were for generic drugs. CMS names the drug for 113 of them, across 7 drugs with 11 or more claims each, at $677 in total drug cost. In 2023, CMS named 71 claims across 5 drugs.
Dr. Mathew's Part D claims by kind of drug, 2024
- Generic256 claims87%
- Brand-name and other38 claims13%
Dr. Mathew'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.
Drug classes CMS tracks in Dr. Mathew's Part D claims, 2024
- Opioids5%15 of 294 claims
- Antibiotics21%62 of 294 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 712024: 11359%
Drugs named by CMS: 7 in 2024, 5 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
How Dr. Merlin Mathew takes part in Medicare
Dr. Mathew accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Merlin Mathew graduated from American University of Antigua College of Medicine
Dr. Mathew graduated from American University of Antigua College of Medicine in 2016.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Merlin Mathew'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 | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand 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) |
| Training, board certification and memberships | Dmand AI Professional Profile 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. Merlin Mathew
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. Merlin Mathew's NPI number?
Dr. Merlin Mathew's NPI number is 1700231586. It was assigned on April 28, 2016, and it is active in the NPI Registry.
What kind of doctor is Dr. Merlin Mathew?
Dr. Merlin Mathew is an internist in Tyler, Texas. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Merlin Mathew practice?
Dr. Mathew practices at 800 East Dawson, Tyler, TX 75701. Dr. Mathew's primary practice is CHRISTUS Mother Frances Hospital - Tyler in Tyler, Texas, part of CHRISTUS Health. Dmand AI also links Dr. Mathew to 7 medical groups and 1 group practice or clinic.
What is Dr. Merlin Mathew's office phone number?
The practice phone on file for Dr. Mathew is (903) 593-8441.
What is Dr. Merlin Mathew's medical license number?
Dr. Mathew holds New York license 307761, one of the licenses on file in 3 states.
Which states has Dr. Merlin Mathew been licensed in?
Dmand AI has state licenses on file for Dr. Mathew in New York, Illinois and Texas.
Which hospitals is Dr. Merlin Mathew affiliated with?
Dr. Mathew practices at CHRISTUS Mother Frances Hospital - Tyler in Tyler, Texas. Dr. Mathew is also affiliated with Stone County Medical Center.
What medical group is Dr. Merlin Mathew part of?
Dr. Mathew is linked to CHRISTUS Trinity Clinic. Dmand AI links Dr. Mathew to 7 more medical groups.
Does Dr. Merlin Mathew accept Medicare?
Yes. CMS data shows Dr. Mathew billed Medicare for 468 services in 2024, and Dr. Mathew accepts Medicare assignment.
How many Medicare patients does Dr. Merlin Mathew see?
CMS counts 224 Medicare patients who saw Dr. Mathew in 2024, with an average age of 76.
Show 4 more questionsShow fewer questions
What services does Dr. Merlin Mathew bill to Medicare?
In 2024, Dr. Mathew's most billed Medicare services were hospital inpatient care (99233), hospital inpatient care (99232) and hospital inpatient care (99239).
Where did Dr. Merlin Mathew go to medical school?
Dr. Mathew graduated from American University of Antigua College of Medicine in 2016.
What drugs does Dr. Merlin Mathew prescribe most?
In 2024 Medicare Part D data, Dr. Mathew's most prescribed drugs by claims were Amoxicillin-Clavulanate Potass, Metoprolol Tartrate and Diltiazem HCl.
How long has Dr. Merlin Mathew been practicing?
Dr. Mathew graduated from medical school in 2016, 10 years ago.
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