2026 NPPES data Pediatric Endocrinology Physician NPI 1023162492 MD
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WILBURN SMITH, MD

Pediatric Endocrinology Physician in LEXINGTON, Kentucky. 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
486
Medicare Part D claims · 81 beneficiaries · Pediatric Endocrinology Physician avg: 151
Generic prescribing
53%
generic claims · 47% brand-name · higher generic rates reduce patient out-of-pocket costs
MIPS score
100/100
▲ 17 pts above national avg 83.1 · [object Object]
What the federal data reveals: WILBURN SMITH, MD is a Pediatric Endocrinology Physician ([object Object]) practicing in LEXINGTON, Kentucky with a Medicare Part D prescribing footprint of 486 claims across 81 beneficiaries — 47% brand-name prescribing . Their CMS MIPS Final Score of 100/100 (national average: 83.1) reflects performance across Quality, Cost, Interoperability, and Improvement Activities .

What stands out: WILBURN SMITH, MD reported a CMS MIPS final score of 100 out of 100, above the 83.1 national average, and filed 486 Medicare Part D claims in 2023. Every figure on this page comes straight from federal CMS records, with no proprietary rating applied.

Board certification likely (heuristic — not verified)

WILBURN SMITH, MD practices in an ABMS-board-eligible specialty and shows active CMS Medicare participation + MIPS quality reporting + 1 hospital affiliation — signals consistent with board-certified status. For verified board certification, see CertificationMatters.org (the official ABMS public lookup).

WILBURN SMITH, MD at a glance

High performer (top quartile)

NPI registry status

Active

Issued 01/23/2007

NPI 1023162492

Primary specialty

Pediatric Endocrinology Physician

Niche

1,457 US NPIs in this specialty

Medicare Part D claims

486 222% vs specialty avg

2023 prescription claims

Specialty avg: 151

MIPS final score

100/100 16.900000000000006% pts

Exceptional band

vs 83.1 national avg

Specialty distribution in Kentucky

How Pediatric Endocrinology Physician compares to other specialties among Kentucky providers

Kentucky providers

Pediatric Endocrinology Physician share within Kentucky

1. Pediatric Endocrinology Physician42%2. Internal medicine21%3. Family medicine17%4. Surgical12%5. Pediatric8%
Pediatric Endocrinology Physician share within Kentucky

Medicare quality performance — MIPS

WILBURN SMITH, MD's 2023 MIPS final score plotted against the Pediatric Endocrinology Physician national average

High performer (top quartile)
MIPS Final Score
100/100
vs 83.1 national avg · 2023 performance year

MIPS final score (Pediatric Endocrinology Physician) — 100/100 vs national avg 83.1

0%100%National avg83%99%
MIPS final score (Pediatric Endocrinology Physician) — 100/100 vs national avg 83.1

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).

WILBURN SMITH, MD is a Pediatric Endocrinology Physician provider practicing in LEXINGTON, Kentucky, according to the CMS National Plan and Provider Enumeration System (NPPES). Credentials: MD. NPI: 1023162492. 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.

WILBURN SMITH, MD appears in the CMS NPPES registry as a Pediatric Endocrinology Physician provider holding MD credentials at 740 S LIMESTONE, LEXINGTON, KY, 40536, with a listed phone of (859) 323-6211. NPI 1023162492 was issued on 01/23/2007. Because NPPES data is self-reported by the provider and refreshed monthly, the address, phone, and specialty reflect what SMITH 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 486 prescription claims written by this provider, covering 81 Medicare beneficiaries and totaling roughly $238K in drug spend, split 47% brand-name and 53% generic by claim count. 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. On the CMS Merit-based Incentive Payment System, this provider earned a Final Score of 100/100 for the 2023 performance year, compared with the national average of 83.1.

Pediatric Endocrinology Physician is a narrow specialty nationwide, with 1,457 enrolled providers across 51 states and an average of 151 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

740 S LIMESTONE
LEXINGTON, KY 40536

Provider Details

NPI 1023162492
Specialty Pediatric Endocrinology Physician
Credentials MD
Gender Male
NPI Issued 01/23/2007

CMS Quality Score (MIPS)

Merit-based Incentive Payment System (MIPS) scores from CMS, 2023 performance year.

100
Final Score
Avg: 83.1
100
Promoting Interoperability

Reporting: Group practice

Hospital and facility affiliations

Facilities where WILBURN SMITH, MD 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.

KENTUCKY MEDICAL SERVICES FOUNDATION, INC
LEXINGTON, KY

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

Brand vs generic prescribing mix · Above average

WILBURN SMITH, MD — brand share 47.0%
Specialty average (est.)

47% brand-name claims vs 53% generic, on 486 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.

486
Total Claims
$238K
Total Drug Cost
81
Medicare Beneficiaries

Prescribing Breakdown

30-Day Fills
703
Total Day Supply
19,787
Brand vs Generic
47% brand / 53% generic
Brand Drug Cost
$219K
Generic Drug Cost
$16K

Patient Demographics

Average Patient Age
59.4 years
Avg HCC Risk Score
1.48
Gender Split
49% female / 51% male
Age Distribution
<65: 37, 65-74: 28, 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
Levothyroxine Sodium
74
Testosterone Cypionate
55
Testosterone
50
Hydrocortisone
46
Synthroid
Levothyroxine Sodium
26
Atorvastatin Calcium
17
Januvia
Sitagliptin Phosphate
11
Novolog
Insulin Aspart
11
Lantus
"Insulin Glargine
N/A

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

Pediatric Endocrinology Physician Overview

How WILBURN SMITH, MD fits within the Pediatric Endocrinology Physician landscape nationally.

1,457
Pediatric Endocrinology Physician Providers in US
51
States with Pediatric Endocrinology Physician
151
Avg Claims per Provider

WILBURN SMITH, MD's 486 claims are above the specialty average of 151.

Nearby Pediatric Endocrinology Physician Providers in Kentucky

Other clinicians with the same primary specialty enrolled in Kentucky, drawn from the same CMS NPPES roster as SMITH.

Compare Pediatric Endocrinology Physician nationally: see state-by-state distribution →

Frequently Asked Questions

What is WILBURN SMITH, MD's specialty?
WILBURN SMITH, MD specializes in Pediatric Endocrinology Physician and practices in LEXINGTON, Kentucky. Credentials: MD.
How much does WILBURN SMITH, MD prescribe under Medicare Part D?
In 2023, WILBURN SMITH, MD wrote 486 Medicare Part D claims totaling $238K in drug costs for 81 beneficiaries.
What is WILBURN SMITH, MD's Medicare quality score?
WILBURN SMITH, MD has a CMS MIPS Final Score of 100/100. The national average MIPS Final Score is 83.1. Source: CMS Merit-based Incentive Payment System (MIPS) 2023.
Where is WILBURN SMITH, MD located?
WILBURN SMITH, MD is located at 740 S LIMESTONE, LEXINGTON, KY, 40536. Phone: (859) 323-6211.
What is WILBURN SMITH, MD's NPI number?
WILBURN SMITH, MD's National Provider Identifier (NPI) is 1023162492, issued on 01/23/2007.
Does WILBURN SMITH, MD prescribe more brand-name or generic drugs?
WILBURN SMITH, MD's prescribing is 47% brand-name and 53% generic drugs by claim count, with $219K in brand drug costs.
How many Pediatric Endocrinology Physician providers are there in the US?
There are 1,457 Pediatric Endocrinology Physician providers across 51 states in the US. The average Pediatric Endocrinology Physician provider writes 151 Medicare Part D claims per year.
What drugs does WILBURN SMITH, MD prescribe most often?
Based on 2023 Medicare Part D data, WILBURN SMITH, MD's most frequently prescribed drugs include Levothyroxine Sodium, Testosterone Cypionate, Testosterone. This reflects Medicare Part D prescriptions only and does not include commercial insurance or other payer types.
Does WILBURN SMITH, MD accept Medicare?
WILBURN SMITH, MD appears in CMS Medicare data with 486 Part D claims and 81 Medicare beneficiaries in 2023. Contact the provider's office directly to confirm current Medicare enrollment and accepted plans.
How can I verify WILBURN SMITH, MD's credentials?
WILBURN SMITH, MD's NPI is 1023162492 with credentials MD. 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.
Quality Performance
CMS Merit-based Incentive Payment System (MIPS) — 2023 performance year.
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