Dr. Raymond Daniel Merrick, MD
- Medicare services, 2024
- 1,061
- Medicare patients, 2024
- 453
- Part D claims, 2024
- 4,707
- Hospital affiliations
- 2
- Industry payments
- $10,697
- Practice address
- 2050 Meadowview Pkwy, Kingsport, TN 37660
- Practice phone
- Call (423) 230-5000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Wellmont Cardiology Services
Kingsport, Tennessee
Find Dr. Merrick'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. Raymond Daniel Merrick is a cardiologist in Kingsport, Tennessee
Dr. Merrick practices at Wellmont Cardiology Services in Kingsport, Tennessee.
Dr. Merrick's NPI, 1588620108, was assigned on April 22, 2006. Dr. Merrick graduated from University of Kentucky College of Medicine in 1985. Dr. Merrick holds Tennessee license MD17955.
- NPI
- 1588620108NPI Registry (opens in a new tab)
- Medicare PAC ID
- 2264414747
- NPI enumeration date
- April 22, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (423) 230-5000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 67
- Medical school graduation
- 1985
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Raymond Daniel Merrick practices at Wellmont Cardiology Services in Kingsport, Tennessee
Dr. Merrick's primary practice is Wellmont Cardiology Services, at 2050 Meadowview Pkwy, Kingsport, TN 37660 in Sullivan County. The practice phone is (423) 230-5000.
- Wellmont Cardiology Services2050 Meadowview Pkwy, Kingsport, TN 37660 · Sullivan CountyPhone(423) 230-5000
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Raymond Daniel Merrick is affiliated with 6 sites of care and 3 medical groups
Dr. Merrick's primary practice is Wellmont Cardiology Services in Kingsport, Tennessee. Dr. Merrick is also affiliated with Johnson City Medical Center. The medical group on file is Ballad Health Medical Associates Family, Internal & Pediatric Medicine. Dmand AI also links Dr. Merrick to 1 more hospital, 3 group practices and clinics and 2 medical groups, 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. Raymond Daniel Merrick's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Merrick practices, 5 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Wellmont Cardiology Services | Available with a free account |
| +5 more sites and 2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Raymond Daniel Merrick is one of 424 cardiologists in Tennessee
Cardiovascular disease is Dr. Merrick's primary specialty in the NPI Registry, under taxonomy code 207RC0000X. Dmand AI has Dr. Merrick's licenses on file in 2 states: Tennessee and Virginia.
Specialties and state licenses
- Cardiovascular disease, TennesseePrimary
- Virginia license
Cardiologists near Dr. Merrick
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. Raymond Daniel Merrick billed Medicare for 1,061 services in 2024
CMS data shows 1,061 Medicare services from Dr. Merrick across 15 procedure codes in 2024, for 453 Medicare patients. Medicare paid $42,701 for them.
Dr. Merrick's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Tests and treatments
- 2023: 8292024: 60427%
- Office and hospital visits
- 2023: 5272024: 39625%
- Imaging
- 2023: 392024: 6156%
Where Dr. Merrick's Medicare services took place, 2024
- In an office68965%
- In a facility37235%
Dr. Merrick compared with the Tennessee median for cardiologists, 2024
- Dr. Merrick
- Tennessee median
- Medicare services
- 1,061vs 1,79041% below
- Medicare patients
- 453vs 86648% below
- Part D claims
- 4,431vs 1,7982.5 times
Medians across 428 cardiologists in Tennessee with Dmand AI profiles that report each measure.
Dr. Merrick'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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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Merrick and other cardiologists in Tennessee.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Raymond Daniel Merrick treated 453 Medicare patients in 2024, average age 75
CMS counts 453 Medicare patients who saw Dr. Merrick in 2024. The largest group is 75 to 84, with 180 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 10% are also on Medicaid. Their average risk score is 1.40, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Merrick's median patient age at 75, with 51% women.
Dr. Merrick's Medicare patients by age, 2024
Dr. Merrick's Medicare patients by sex, 2024
- Women23051%
- Men22349%
Chronic conditions among Dr. Merrick's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Ischemic heart disease58%
- Arthritis48%
- Atrial fibrillation42%
- Chronic kidney disease38%
- Diabetes38%
- Heart failure36%
Share of Medicare patients with each condition. A patient can have several.
Dr. Merrick'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
- Women51%
- Men49%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Raymond Daniel Merrick wrote 4,707 Medicare Part D claims in 2024
In 2024, Dr. Merrick wrote 4,707 Medicare Part D claims for 628 patients. 87% of them were for generic drugs. CMS names the drug for 4,431 of them, across 54 drugs with 11 or more claims each, at $478,393 in total drug cost. In 2023, CMS named 5,325 claims across 59 drugs.
Dr. Merrick's Part D claims by kind of drug, 2024
- Generic4,116 claims87%
- Brand-name591 claims13%
Dr. Merrick'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. Merrick's Part D claims, 2024
- Antibiotics0%14 of 4,707 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: 5,3252024: 4,43117%
Drugs named by CMS: 54 in 2024, 59 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. Raymond Daniel Merrick takes part in Medicare
Dr. Merrick 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. Raymond Daniel Merrick received $10,697 in industry payments from 2016 to 2025
CMS Open Payments shows 734 general payments to Dr. Merrick from 40 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 99% of the total. Novartis Pharmaceuticals Corporation paid the most, $2,416.
General payments to Dr. Merrick by program year, 2016 to 2025
General payments to Dr. Merrick by kind, 2016 to 2025
- Food and beverage$10,63799%
- Education$591%
Companies that paid Dr. Merrick 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. Raymond Daniel Merrick graduated from University of Kentucky College of Medicine
Dr. Merrick graduated from University of Kentucky College of Medicine in 1985.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Raymond Daniel Merrick'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) |
| Industry payments | Open Payments (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. Raymond Daniel Merrick
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. Raymond Daniel Merrick's NPI number?
Dr. Raymond Daniel Merrick's NPI number is 1588620108. It was assigned on April 22, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Raymond Daniel Merrick?
Dr. Raymond Daniel Merrick is a cardiologist in Kingsport, Tennessee. The primary specialty in the NPI Registry is Cardiovascular Disease Physician (taxonomy code 207RC0000X).
Where does Dr. Raymond Daniel Merrick practice?
Dr. Merrick practices at 2050 Meadowview Pkwy, Kingsport, TN 37660. Dr. Merrick's primary practice is Wellmont Cardiology Services in Kingsport, Tennessee. Dmand AI also links Dr. Merrick to 1 hospital, 3 group practices and clinics and 2 medical groups.
What is Dr. Raymond Daniel Merrick's office phone number?
The practice phone on file for Dr. Merrick is (423) 230-5000.
What is Dr. Raymond Daniel Merrick's medical license number?
Dr. Merrick holds Tennessee license MD17955, one of the licenses on file in 2 states.
Which states has Dr. Raymond Daniel Merrick been licensed in?
Dmand AI has state licenses on file for Dr. Merrick in Tennessee and Virginia.
Which hospitals is Dr. Raymond Daniel Merrick affiliated with?
Dr. Merrick is affiliated with Johnson City Medical Center. Dmand AI links Dr. Merrick to 1 more hospital.
What medical group is Dr. Raymond Daniel Merrick part of?
Dr. Merrick is linked to Ballad Health Medical Associates Family, Internal & Pediatric Medicine. Dmand AI links Dr. Merrick to 2 more medical groups.
Does Dr. Raymond Daniel Merrick accept Medicare?
Yes. CMS data shows Dr. Merrick billed Medicare for 1,061 services in 2024, and Dr. Merrick accepts Medicare assignment.
How many Medicare patients does Dr. Raymond Daniel Merrick see?
CMS counts 453 Medicare patients who saw Dr. Merrick in 2024, with an average age of 75.
Show 5 more questionsShow fewer questions
What services does Dr. Raymond Daniel Merrick bill to Medicare?
In 2024, Dr. Merrick's most billed Medicare services were heart test or procedure (93000), office visit, established patient (99213) and heart test or procedure (93306).
Where did Dr. Raymond Daniel Merrick go to medical school?
Dr. Merrick graduated from University of Kentucky College of Medicine in 1985.
What drugs does Dr. Raymond Daniel Merrick prescribe most?
In 2024 Medicare Part D data, Dr. Merrick's most prescribed drugs by claims were Losartan Potassium, Metoprolol Succinate and Metoprolol Tartrate.
Has Dr. Raymond Daniel Merrick received payments from drug or device companies?
CMS Open Payments shows $10,697 in general payments to Dr. Merrick from 40 companies from 2016 to 2025. The largest total came from Novartis Pharmaceuticals Corporation.
How long has Dr. Raymond Daniel Merrick been practicing?
Dr. Merrick graduated from medical school in 1985, 41 years ago.
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