2026 NPPES data Hospitalist Physician NPI 1437347218 M.D.
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ASHLEY TREXLER, M.D.

Hospitalist Physician in GREENVILLE, 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
6K
Medicare Part D claims · 513 beneficiaries · Hospitalist Physician avg: 888
Generic prescribing
88%
generic claims · 12% brand-name · higher generic rates reduce patient out-of-pocket costs
Industry payments
$13.21
1 payments · CMS Open Payments (Sunshine Act)
What the federal data reveals: ASHLEY TREXLER, M.D. is a Hospitalist Physician ([object Object]) practicing in GREENVILLE, South Carolina with a Medicare Part D prescribing footprint of 6K claims across 513 beneficiaries — 12% brand-name prescribing . Industry payments of $13.21 across 1 transactions are disclosed under CMS Open Payments (Sunshine Act).

What stands out: ASHLEY TREXLER, M.D. filed 6,178 Medicare Part D claims in 2023 across GREENVILLE, South Carolina. Every figure on this page comes straight from federal CMS records, with no proprietary rating applied.

Board certification likely (heuristic — not verified)

ASHLEY TREXLER, M.D. practices in an ABMS-board-eligible specialty and shows active CMS Medicare participation + 1 hospital affiliation — signals consistent with board-certified status. For verified board certification, see CertificationMatters.org (the official ABMS public lookup).

ASHLEY TREXLER, M.D. at a glance

Quality data not reported

NPI registry status

Active

Issued 10/05/2007

NPI 1437347218

Primary specialty

Hospitalist Physician

Mid-sized

16,825 US NPIs in this specialty

Medicare Part D claims

6,178 596% vs specialty avg

2023 prescription claims

Specialty avg: 888

Specialty distribution in South Carolina

How Hospitalist Physician compares to other specialties among South Carolina providers

South Carolina providers

Hospitalist Physician share within South Carolina

1. Hospitalist Physician42%2. Internal medicine21%3. Family medicine17%4. Surgical12%5. Pediatric8%
Hospitalist Physician share within South Carolina

Specialty board-certification context

Estimated specialty board-certified rate — Hospitalist Physician (ABMS / AOA reference)

Quality data not reported
Est. board-certified rate
78%
Hospitalist Physician ABMS/AOA estimate

Est. board-certified rate (Hospitalist Physician) — ABMS / AOA estimate

0%100%78%
Est. board-certified rate (Hospitalist Physician) — 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).

ASHLEY TREXLER, M.D. is a Hospitalist Physician provider practicing in GREENVILLE, South Carolina, according to the CMS National Plan and Provider Enumeration System (NPPES). Credentials: M.D.. NPI: 1437347218. 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.

ASHLEY TREXLER, M.D. appears in the CMS NPPES registry as a Hospitalist Physician provider holding M.D. credentials at 1025 VERDAE BLVD STE A, GREENVILLE, SC, 29607, with a listed phone of (864) 242-4683. NPI 1437347218 was issued on 10/05/2007. Because NPPES data is self-reported by the provider and refreshed monthly, the address, phone, and specialty reflect what TREXLER 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 6,178 prescription claims written by this provider, covering 513 Medicare beneficiaries and totaling roughly $482K in drug spend, split 12% brand-name and 88% generic by claim count, with an opioid prescribing rate of 2.2%. 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.

Hospitalist Physician is a mid-sized specialty nationwide, with 16,825 enrolled providers across 54 states and an average of 888 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

1025 VERDAE BLVD STE A
GREENVILLE, SC 29607

Provider Details

NPI 1437347218
Specialty Hospitalist Physician
Credentials M.D.
Gender Female
NPI Issued 10/05/2007

Hospital and facility affiliations

Facilities where ASHLEY TREXLER, M.D. bills Medicare from. Star ratings (1-5) are CMS Hospital Compare's "Hospital overall rating" — a composite of mortality, readmission, patient experience, safety, timely care, and efficient use of medical imaging measures. Source: CMS Care Compare.

PRISMA HEALTH UNIVERSITY MEDICAL GROUP
GREENVILLE, SC

Affiliations sourced from CMS Doctors and Clinicians National Downloadable File; hospital ratings from CMS Hospital General Information dataset (cross-referenced by facility name + state).

Industry payments received (2024) — CMS Open Payments transparency data

The federal Physician Payments Sunshine Act (part of the Affordable Care Act) requires drug and medical-device manufacturers + group purchasing organizations to publicly report payments and other transfers of value to physicians and teaching hospitals. The data below covers 2024 for ASHLEY TREXLER, M.D.. Source: openpaymentsdata.cms.gov.

Total received

$13

Largest payer

Lilly USA, LLC

Most common payment type

Food and Beverage

Industry payments are not necessarily indicators of bias — they include research funding, consulting fees for evidence-based work, royalties for inventions, food at conferences, and similar items. The disclosure exists for transparency. Read our methodology for how we interpret this data.

Brand vs generic prescribing mix · Typical

ASHLEY TREXLER, M.D. — brand share 12.0%
Specialty average (est.)

12% brand-name claims vs 88% generic, on 6,178 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.

6,178
Total Claims
$482K
Total Drug Cost
513
Medicare Beneficiaries

Prescribing Breakdown

30-Day Fills
14,596
Total Day Supply
420,647
Brand vs Generic
12% brand / 88% generic
Brand Drug Cost
$367K
Generic Drug Cost
$112K
Opioid Claims
136 (2.2% rate)
Antibiotic Claims
233

Patient Demographics

Average Patient Age
73.9 years
Avg HCC Risk Score
0.96
Gender Split
82% female / 18% male
Age Distribution
<65: 34, 65-74: 234, 75-84: 204, 85+: 41

Top Prescribed Drugs (Medicare Part D)

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

Drug Claims
Atorvastatin Calcium
461
Levothyroxine Sodium
410
Amlodipine Besylate
167
Trazodone Hcl
159
Montelukast Sodium
158
Omeprazole
158
Losartan Potassium
148
Metformin Hcl
140
Alendronate Sodium
128
Lisinopril
124

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

Hospitalist Physician Overview

How ASHLEY TREXLER, M.D. fits within the Hospitalist Physician landscape nationally.

16,825
Hospitalist Physician Providers in US
54
States with Hospitalist Physician
888
Avg Claims per Provider

ASHLEY TREXLER, M.D.'s 6,178 claims are above the specialty average of 888.

Nearby Hospitalist Physician Providers in South Carolina

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

Compare Hospitalist Physician nationally: see state-by-state distribution →

Frequently Asked Questions

What is ASHLEY TREXLER, M.D.'s specialty?
ASHLEY TREXLER, M.D. specializes in Hospitalist Physician and practices in GREENVILLE, South Carolina. Credentials: M.D..
How much does ASHLEY TREXLER, M.D. prescribe under Medicare Part D?
In 2023, ASHLEY TREXLER, M.D. wrote 6,178 Medicare Part D claims totaling $482K in drug costs for 513 beneficiaries.
Where is ASHLEY TREXLER, M.D. located?
ASHLEY TREXLER, M.D. is located at 1025 VERDAE BLVD STE A, GREENVILLE, SC, 29607. Phone: (864) 242-4683.
What is ASHLEY TREXLER, M.D.'s NPI number?
ASHLEY TREXLER, M.D.'s National Provider Identifier (NPI) is 1437347218, issued on 10/05/2007.
Does ASHLEY TREXLER, M.D. prescribe more brand-name or generic drugs?
ASHLEY TREXLER, M.D.'s prescribing is 12% brand-name and 88% generic drugs by claim count, with $367K in brand drug costs.
Does ASHLEY TREXLER, M.D. prescribe opioids?
Yes, ASHLEY TREXLER, M.D. had 136 opioid claims in 2023 with an opioid prescribing rate of 2.2%.
How many Hospitalist Physician providers are there in the US?
There are 16,825 Hospitalist Physician providers across 54 states in the US. The average Hospitalist Physician provider writes 888 Medicare Part D claims per year.
What drugs does ASHLEY TREXLER, M.D. prescribe most often?
Based on 2023 Medicare Part D data, ASHLEY TREXLER, M.D.'s most frequently prescribed drugs include Atorvastatin Calcium, Levothyroxine Sodium, Amlodipine Besylate. This reflects Medicare Part D prescriptions only and does not include commercial insurance or other payer types.
Does ASHLEY TREXLER, M.D. accept Medicare?
ASHLEY TREXLER, M.D. appears in CMS Medicare data with 6,178 Part D claims and 513 Medicare beneficiaries in 2023. Contact the provider's office directly to confirm current Medicare enrollment and accepted plans.
How can I verify ASHLEY TREXLER, M.D.'s credentials?
ASHLEY TREXLER, M.D.'s NPI is 1437347218 with credentials M.D.. 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