Dr. Jacob Paul Merrell , DDS
Dentist • Killeen, TX
1405 E Elms Rd
Killeen, TX 765422810
This profile restates public CMS/NPPES data; T-MedInfo gives no medical advice — consult a licensed professional, and call 911 for emergencies.
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NPI assigned on May 30, 2019; this date does not establish years in practice.
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Published CMS data list 35 Medicare Part D prescriptions, including refills, in 2024.
Source: CMS, Medicare Part D Prescribers – by Provider and Drug, 2024. Published rows only; this is not a quality measure.
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Published Part D records, 2024:
- Amoxicillin — 35 prescription fills, including refills.
Source: CMS, Medicare Part D Prescribers – by Provider and Drug, 2024. Drug names come from pharmacy claims. Listing a drug here is not an endorsement or a recommendation.
See the full table · Guide: How to read Medicare Part D prescriber data
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Fewer Part D prescriptions than 65% of clinicians listed under Dentist in Killeen, TX (2024, 17 clinicians with data). Median for this group: 53. Middle half: 32 to 87.
Close to the middle for Part D prescriptions among clinicians listed under Dentist in Texas (2024, 2,907 clinicians with data). Median for this group: 41. Middle half: 21 to 86.
Source: CMS, Medicare Part D Prescribers – by Provider and Drug, 2024. Billing and prescribing volume is not a quality rating.
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Medicare Part D prescriptions went from 25 in 2021 to 35 in 2024.
Source: CMS, Medicare Part D Prescribers – by Provider and Drug, 2021–2024.
Practice Location & Contact Primary Location
1405 E Elms Rd
Killeen, TX 765422810
Matched by practice address or phone in NPPES. A shared address or phone does not confirm that this clinician works there.
NPPES lists 1 additional practice-address record in Harker Heights, TX. See the list
Source: CMS NPPES NPI Registry, practice location records; release date unavailable.
Listings do not confirm current availability, employment or a shared ownership network.
What Public CMS Data Show
Dentist: NPPES taxonomy is a reported classification, not proof of board certification.
30-day fills
35 standardized 30-day fills in 2024
CMS converts prescriptions to 30-day supplies so they can be compared. A 90-day prescription counts as about three 30-day fills.
What this does not show: 30-day fills
It is not a count of patients and not a measure of quality.
Part D drug cost
$71 in 2024
The total cost of these prescriptions in 2024, paid by Medicare drug plans, patients and other payers together.
It shows the total spending on drugs this clinician prescribed, not what any one patient paid.
What this does not show: Part D drug cost
A higher cost often reflects the type of medicines a specialty uses. It is not your out-of-pocket cost and not a measure of quality.
Source: CMS, Medicare Part D Prescribers – by Provider and Drug, 2024.
Open Payments general payments, program year 2025
All general payments: $803.68 across 3 records.
By nature of payment
- Education: $803.68 across 3 records.
Reporting-company totals
- Hu-Friedy Mfg. Co., LLC: $803.68 across 3 records.
A reported payment does not necessarily mean the financial relationship is improper and is not a measure of care quality. Clinicians can review and dispute these records.
Source: Calculated by T-MedInfo from CMS Open Payments general-payment records for program year 2025 (published June 30, 2026).
NPI first issued
2019
The year this clinician's National Provider Identifier (NPI) was issued. An NPI is a unique 10-digit ID that US health care providers use for billing.
What this does not show: NPI first issued
NPIs have been issued only since 2005, so this year is not necessarily when the clinician started practicing.
Source: CMS NPPES NPI Registry.
Medicare assignment not listed
CMS data do not show whether this clinician accepts Medicare assignment. This does not mean they do not accept Medicare. Ask the office.
Medicare assignment applies to Original Medicare. It does not tell you whether the clinician is in a Medicare Advantage plan's network, accepts other insurance, or is taking new patients.
Source: CMS Doctors and Clinicians; Medicare.gov, “Does your provider accept Medicare as full payment?”
No telehealth indicator
CMS shows this indicator only when recent Medicare claims include telehealth services. The clinician may still offer telehealth; ask the office.
Source: CMS, Telehealth Indicator on Medicare Care Compare (fact sheet, January 2023); CMS Doctors and Clinicians.
Compared with the same specialty in Killeen and Texas
Billing and prescribing volume is not a quality rating.
Medicare Part D prescriptions
Fewer Part D prescriptions than 65% of clinicians listed under Dentist in Killeen, TX (2024, 17 clinicians with data). Median for this group: 53. Middle half: 32 to 87.
Close to the middle for clinicians listed under Dentist in Texas (2024, 2,907 clinicians with data). Median for this group: 41. Middle half: 21 to 86.
Part D drug cost
A lower Part D drug cost than 85% of clinicians listed under Dentist in Killeen, TX (2024, 17 clinicians with data). Median for this group: $173. Middle half: $87 to $274.
A lower Part D drug cost than 65% of clinicians listed under Dentist in Texas (2024, 2,907 clinicians with data). Median for this group: $118. Middle half: $54 to $285.
29 active clinicians are listed under Dentist with a practice address in Killeen, TX (6,580 in Texas).
Addresses are self-reported to NPPES and may be out of date.
Telehealth indicator in Killeen
0% of these 29 clinicians have the CMS telehealth indicator.
0% of these 29 clinicians are listed by CMS as accepting Medicare assignment.
CMS data by year
Changes may reflect reporting, coverage or privacy limits, not changes in care quality.
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Medicare Part D prescriptions
Medicare Part D prescriptions increased 40% from 25 in 2021 to 35 in 2024.
- 2021: 25
- 2022: 25
- 2023: 31
- 2024: 35
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30-day fills
30-day fills increased 40% from 25 in 2021 to 35 in 2024.
- 2021: 25
- 2022: 25
- 2023: 31
- 2024: 35
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Part D drug cost
Part D drug cost went from $64 in 2021 to $71 in 2024.
- 2021: $64
- 2022: $84
- 2023: $86
- 2024: $71
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Industry payments (Open Payments)
Industry payments (Open Payments) went from $21.85 in 2021 to $803.68 in 2025.
- 2021: $21.85
- 2025: $803.68
Sources: CMS Medicare Part D Prescribers (2024), CMS Open Payments (2025), CMS Doctors and Clinicians, CMS NPPES NPI Registry. Specialty names follow the NUCC Health Care Provider Taxonomy.
Text: T-MedInfo · Report an error.
Pharma & Medical Device Financial Disclosures
Payments and other transfers of value that drug and medical device companies reported to CMS Open Payments
Program year 2025 (payments made January 1 – December 31, 2025): fewer than 11 records totaling $803.68.
| Manufacturer | Payment Nature | Product | Type | Amount ($) |
|---|---|---|---|---|
| Hu-Friedy Mfg. Co., LLC |
Education
In-kind items and services
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Hu-Friedy Power Air & Piezo Unit | General | $509.15 |
| Hu-Friedy Mfg. Co., LLC |
Education
In-kind items and services
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Hu-Friedy Power Air & Piezo Unit | General | $153.50 |
| Hu-Friedy Mfg. Co., LLC |
Education
In-kind items and services
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Hu-Friedy Power Air & Piezo Unit | General | $141.03 |
Source: CMS Open Payments, program year 2025, released June 30, 2026.
Medicare Part D Prescribing Profile & Medications
Medicare Part D prescriptions filled, including refills, in 2024.
| Brand Name | Generic Name | Prescriptions | Day Supply | Total Cost | Patients |
|---|---|---|---|---|---|
| Amoxicillin | Amoxicillin | 35 | 269 | $71.40 | 27 |
Source: CMS Part D by Provider and Drug, 2024; rows below 11 claims omitted by CMS; volume isn’t quality. Privacy limits
Specialties & License Numbers Reported to NPPES
NUCC Taxonomy Code: 122300000X
A dentist is a person qualified by a doctorate in dental surgery (D.D.S.) or dental medicine (D.M.D.), licensed by the state to practice dentistry, and practicing within the scope of that license. There is no difference between the two degrees: dentists who have a DMD or DDS have the same education. Universities have the prerogative to determine what degree is awarded. Both degrees use the same curriculum requirements set by the American Dental Association's Commission on Dental Accreditation. Generally, three or more years of undergraduate education plus four years of dental school is required to graduate and become a general dentist. State licensing boards accept either degree as equivalent, and both degrees allow licensed individuals to practice the same scope of general dentistry. Additional post-graduate training is required to become a dental specialist.
Secondary Practice Locations
420 E Fm 2410 Rd Ste 104
Harker Heights, TX 765485718
Phone: 2546993359
Clinicians Sharing This Practice Address or Phone
Clinicians sharing this NPPES address, phone or fax; a shared contact does not mean they work together.
Dentist - General Practice
Doctor of Dental Medicine
Dentist
Doctor of Dental Surgery
Dentist
Doctor of Dental Medicine
Dentist
Doctor of Dental Medicine
Career & Practice History
NPI enumerated May 30, 2019.
No changes to the name, practice address, taxonomy or NPI status in this record have been observed in the monthly NPPES data files from June 2019 to August 2026.
NPI Administrative Meta
Other Dentists in Killeen
- Dr. Craig Martin, DMD
- Dr. Nathalia Rodriguez Rojas, DMD
- Dr. Cory Roach, DDS
- Dr. Julia Johnson, DDS
- Elizabeth Grothe
- Dr. Jay Littlefield, DDS
Mailing Address
1400 Rivery Blvd Apt 2101
Georgetown, TX 786283031
Phone: 4124917552