2026 NPPES data General Practice Dentistry NPI 1376509083
Verify on CMS →

SEAN BARNWELL

General Practice Dentistry in COLUMBIA, South Carolina. CMS National Plan and Provider Enumeration System profile including specialty classification, practice address, and Medicare prescribing data when reported.

Federal data — no proprietary rating. PlainDoctor publishes the actual CMS NPPES and Medicare records — NPI registration, specialty, practice location, and prescribing data — without a composite score or editorial opinion on top. Every field traces to a federal source.
Prescribing volume
125
Medicare Part D claims · 60 beneficiaries · General Practice Dentistry avg: 82
Generic prescribing
88%
generic claims · 12% brand-name · higher generic rates reduce patient out-of-pocket costs
What the federal data reveals: SEAN BARNWELL is a General Practice Dentistry ([object Object]) practicing in COLUMBIA, South Carolina with a Medicare Part D prescribing footprint of 125 claims across 60 beneficiaries — 12% brand-name prescribing .

What stands out: SEAN BARNWELL filed 125 Medicare Part D claims in 2023 across COLUMBIA, South Carolina. Every figure on this page comes straight from federal CMS records, with no proprietary rating applied.

SEAN BARNWELL at a glance

Quality data not reported

NPI registry status

Active

Issued 04/21/2006

NPI 1376509083

Primary specialty

General Practice Dentistry

High-volume

121,627 US NPIs in this specialty

Medicare Part D claims

125 52% vs specialty avg

2023 prescription claims

Specialty avg: 82

Specialty distribution in South Carolina

How General Practice Dentistry compares to other specialties among South Carolina providers

South Carolina providers

General Practice Dentistry share within South Carolina

1. General Practice Dentistry42%2. Internal medicine21%3. Family medicine17%4. Surgical12%5. Pediatric8%
General Practice Dentistry share within South Carolina

Specialty board-certification context

Estimated specialty board-certified rate — General Practice Dentistry (ABMS / AOA reference)

Quality data not reported
Est. board-certified rate
78%
General Practice Dentistry ABMS/AOA estimate

Est. board-certified rate (General Practice Dentistry) — ABMS / AOA estimate

0%100%78%
Est. board-certified rate (General Practice Dentistry) — ABMS / AOA estimate

The Merit-based Incentive Payment System (MIPS) scores providers 0–100 across four performance categories: Quality, Cost, Promoting Interoperability, and Improvement Activities, weighted under 42 CFR §414.1380. Reporting is voluntary for many small practices, so absence of a MIPS score is not a quality signal.

Board certification through an ABMS or AOA member board signals voluntary post-licensure examination plus continuous Maintenance of Certification cycles. Verify any individual provider's status through certificationmatters.org (ABMS) or osteopathic.org (AOA).

SEAN BARNWELL is a General Practice Dentistry provider practicing in COLUMBIA, South Carolina, according to the CMS National Plan and Provider Enumeration System (NPPES). NPI: 1376509083. This profile includes practice location, specialty classification, and organizational affiliations from the CMS provider registry. Provider information is self-reported to CMS and updated monthly.

SEAN BARNWELL appears in the CMS NPPES registry as a General Practice Dentistry provider at 3000 TWO NOTCH RD, COLUMBIA, SC, 29204, with a listed phone of (803) 691-9930. NPI 1376509083 was issued on 04/21/2006. Because NPPES data is self-reported by the provider and refreshed monthly, the address, phone, and specialty reflect what BARNWELL most recently submitted to CMS rather than a vetted directory listing, which is why patients should always confirm the practice is still at this location before scheduling.

Medicare Part D records for calendar year 2023 show 125 prescription claims written by this provider, covering 60 Medicare beneficiaries and totaling roughly $5K in drug spend, split 12% brand-name and 88% generic by claim count, with an opioid prescribing rate of 23.2%. These figures capture only Medicare Part D — commercial insurance, Medicaid, and cash-pay prescriptions are not included, and any drug-beneficiary cell under 11 is suppressed by CMS for patient privacy.

General Practice Dentistry is a high-volume specialty nationwide, with 121,627 enrolled providers across 56 states and an average of 82 Part D claims per prescriber, so the context for interpreting these metrics differs meaningfully from a primary-care baseline. Important: PlainDoctor is a directory of publicly available government data, not medical advice, a malpractice database, or a quality rating. Inclusion here does not imply a recommendation, and absence of complaints or sanctions on this page does not mean none exist — always verify credentials through the NPPES NPI Registry, your state medical board, and the ABMS or AOA before making healthcare decisions.

Practice Address

3000 TWO NOTCH RD
COLUMBIA, SC 29204

Provider Details

NPI 1376509083
Specialty General Practice Dentistry
Gender Male
NPI Issued 04/21/2006

Brand vs generic prescribing mix · Typical

SEAN BARNWELL — brand share 12.0%
Specialty average (est.)

12% brand-name claims vs 88% generic, on 125 2023 Medicare Part D claims.

The federal Medicare Part D Generic Dispensing Rate national benchmark sits near 90% generic / 10% brand for primary-care prescribers, per CMS Office of the Actuary 2024 estimates. Higher brand share is common in specialty prescribing where generic equivalents are not available.

Medicare Part D Prescribing Data

CMS Medicare Part D prescriber-level data for calendar year 2023.

125
Total Claims
$5K
Total Drug Cost
60
Medicare Beneficiaries

Prescribing Breakdown

30-Day Fills
125
Total Day Supply
1,226
Brand vs Generic
12% brand / 88% generic
Brand Drug Cost
$4K
Generic Drug Cost
$1K
Opioid Claims
29 (23.2% rate)
Antibiotic Claims
41

Patient Demographics

Average Patient Age
63.3 years
Avg HCC Risk Score
1.27
Gender Split
62% female / 38% male
Age Distribution
<65: 23, 65-74: 21, 75-84: N/A, 85+: N/A

Top Prescribed Drugs (Medicare Part D)

Top drugs by claim count for calendar year 2023. Based on Medicare Part D data only.

Drug Claims
Amoxicillin
33
Hydrocodone-Acetaminophen
Hydrocodone/Acetaminophen
29
Ibuprofen
27

* Counts below 11 are suppressed by CMS for patient privacy. Generic names shown where available from CMS Part D data.

General Practice Dentistry Overview

How SEAN BARNWELL fits within the General Practice Dentistry landscape nationally.

121,627
General Practice Dentistry Providers in US
56
States with General Practice Dentistry
82
Avg Claims per Provider

SEAN BARNWELL's 125 claims are above the specialty average of 82.

Nearby General Practice Dentistry Providers in South Carolina

Other clinicians with the same primary specialty enrolled in South Carolina, drawn from the same CMS NPPES roster as BARNWELL.

Compare General Practice Dentistry nationally: see state-by-state distribution →

Frequently Asked Questions

What is SEAN BARNWELL's specialty?
SEAN BARNWELL specializes in General Practice Dentistry and practices in COLUMBIA, South Carolina.
How much does SEAN BARNWELL prescribe under Medicare Part D?
In 2023, SEAN BARNWELL wrote 125 Medicare Part D claims totaling $5K in drug costs for 60 beneficiaries.
Where is SEAN BARNWELL located?
SEAN BARNWELL is located at 3000 TWO NOTCH RD, COLUMBIA, SC, 29204. Phone: (803) 691-9930.
What is SEAN BARNWELL's NPI number?
SEAN BARNWELL's National Provider Identifier (NPI) is 1376509083, issued on 04/21/2006.
Does SEAN BARNWELL prescribe more brand-name or generic drugs?
SEAN BARNWELL's prescribing is 12% brand-name and 88% generic drugs by claim count, with $4K in brand drug costs.
Does SEAN BARNWELL prescribe opioids?
Yes, SEAN BARNWELL had 29 opioid claims in 2023 with an opioid prescribing rate of 23.2%.
How many General Practice Dentistry providers are there in the US?
There are 121,627 General Practice Dentistry providers across 56 states in the US. The average General Practice Dentistry provider writes 82 Medicare Part D claims per year.
What drugs does SEAN BARNWELL prescribe most often?
Based on 2023 Medicare Part D data, SEAN BARNWELL's most frequently prescribed drugs include Amoxicillin, Hydrocodone-Acetaminophen, Ibuprofen. This reflects Medicare Part D prescriptions only and does not include commercial insurance or other payer types.
Does SEAN BARNWELL accept Medicare?
SEAN BARNWELL appears in CMS Medicare data with 125 Part D claims and 60 Medicare beneficiaries in 2023. Contact the provider's office directly to confirm current Medicare enrollment and accepted plans.
How can I verify SEAN BARNWELL's credentials?
SEAN BARNWELL's NPI is 1376509083. You can verify this through the NPPES NPI Registry, check state medical board records, and confirm board certification through the ABMS or AOA.

Data Sources

Provider Directory
CMS National Plan and Provider Enumeration System (NPPES), download.cms.gov/nppes, updated monthly. Contains NPI, specialty, credentials, and practice location.
Specialty Classification
NUCC Health Care Provider Taxonomy (nucc.org), the industry standard for classifying provider specialties in Medicare and Medicaid billing.
Prescribing Data
CMS Medicare Part D Prescriber Public Use File (2023). Includes claims, drug costs, beneficiaries, and opioid prescribing rates.
Limitations
Provider data is self-reported to CMS. Prescribing data reflects Medicare Part D only and does not include commercial insurance, Medicaid, or cash prescriptions. Claims below 11 beneficiaries are suppressed by CMS for privacy.

See our complete data methodology for details on how we collect and process government data.

Data as of April 2026 (NPPES) / 2023 (Medicare Part D). Source: Centers for Medicare & Medicaid Services (CMS).

Disclaimer: Data from CMS NPPES and Medicare Part D. PlainDoctor does not rate or rank providers. Provider information is self-reported and may not be current. Always verify information directly with the provider. About · Methodology