2026 NPPES data Surgery Physician NPI 1801390349 MD
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MICHAEL WILLIAMS, MD

Surgery Physician in LOUISVILLE, 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
15
Medicare Part D claims · 12 beneficiaries · Surgery Physician avg: 169
Industry payments
$184.55
5 payments · CMS Open Payments (Sunshine Act)

What the federal data shows

MICHAEL WILLIAMS, MD filed 15 Medicare Part D claims in 2023 as a Surgery Physician in LOUISVILLE, Kentucky.

15
Part D claims, 2023
$184.55
industry payments (Sunshine Act)

Every figure on this page comes straight from federal CMS records (NPPES, Medicare Part D, MIPS, Open Payments) — no proprietary rating or editorial opinion is applied.

MICHAEL WILLIAMS, MD's Medicare Part D volume vs every U.S. prescriber

Total Medicare Part D claims, 2023 — across all CMS prescribers nationally

15 0th percentile higher than 0% of 1,370,886 prescribers

0–200: 670,926 prescribers (49%). This entry sits in this band. 200–400: 182,923 prescribers (13%). Above this entry. 400–600: 90,619 prescribers (7%). Above this entry. 600–800: 56,224 prescribers (4%). Above this entry. 800–1,000: 40,919 prescribers (3%). Above this entry. 1,000–1,200: 31,827 prescribers (2%). Above this entry. 1,200–1,400: 26,224 prescribers (2%). Above this entry. 1,400–1,600: 21,710 prescribers (2%). Above this entry. 1,600–1,800: 19,072 prescribers (1%). Above this entry. 1,800–2,000: 16,451 prescribers (1%). Above this entry. 2,000–2,200: 213,991 prescribers (16%). Above this entry. This provider 0 2K+ every Part D prescriber (claims/yr), bucketed by value

Each bar is a band; taller bars hold more prescribers. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count, share, and where it sits relative to this entry.

Source CMS Medicare Part D Prescriber Public Use File · 2023

Board-eligible specialty (heuristic — not verified)

MICHAEL WILLIAMS, MD practices in an ABMS-board-eligible specialty but we don't have enough CMS-participation signals to confirm active board-certified status. Consult CertificationMatters.org (the official ABMS public lookup).

What does the federal data show about MICHAEL WILLIAMS, MD?

Quality data not reported

NPI registry status

Active

Issued 03/20/2018

NPI 1801390349

Primary specialty

Surgery Physician

Mid-sized

36,191 US NPIs in this specialty

Medicare Part D claims

15 91% vs specialty avg

2023 prescription claims

Specialty avg: 169

Specialty distribution in Kentucky

How Surgery Physician compares to other specialties among Kentucky providers

Kentucky providers

Surgery Physician share within Kentucky

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

Specialty board-certification context

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

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

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

0%100%78%
Est. board-certified rate (Surgery 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).

MICHAEL WILLIAMS, MD is a Surgery Physician provider practicing in LOUISVILLE, Kentucky, according to the CMS National Plan and Provider Enumeration System (NPPES). Credentials: MD. NPI: 1801390349. 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.

MICHAEL WILLIAMS, MD appears in the CMS NPPES registry as a Surgery Physician provider holding MD credentials at 315 E BROADWAY STE 301, LOUISVILLE, KY, 40202, with a listed phone of (502) 629-6950. NPI 1801390349 was issued on 03/20/2018. Because NPPES data is self-reported by the provider and refreshed monthly, the address, phone, and specialty reflect what WILLIAMS 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 15 prescription claims written by this provider, covering 12 Medicare beneficiaries and totaling roughly $113 in drug spend, with an opioid prescribing rate of 73.3%. 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.

Surgery Physician is a mid-sized specialty nationwide, with 36,191 enrolled providers across 56 states and an average of 169 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

315 E BROADWAY STE 301
LOUISVILLE, KY 40202

Provider Details

NPI 1801390349
Specialty Surgery Physician
Credentials MD
Gender Male
NPI Issued 03/20/2018

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 MICHAEL WILLIAMS, MD. Source: openpaymentsdata.cms.gov.

Total received

$185

Largest payer

Stryker Corporation

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.

Medicare Part D Prescribing Data

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

15
Total Claims
$113
Total Drug Cost
12
Medicare Beneficiaries

Prescribing Breakdown

30-Day Fills
15
Total Day Supply
98
Brand Drug Cost
$0
Generic Drug Cost
$113
Opioid Claims
11 (73.3% rate)

Patient Demographics

Average Patient Age
65.3 years
Avg HCC Risk Score
2.20

Surgery Physician Overview

How MICHAEL WILLIAMS, MD fits within the Surgery Physician landscape nationally.

36,191
Surgery Physician Providers in US
56
States with Surgery Physician
169
Avg Claims per Provider

MICHAEL WILLIAMS, MD's 15 claims are below the specialty average of 169.

Nearby Surgery Physician Providers in Kentucky

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

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

Frequently Asked Questions

What is MICHAEL WILLIAMS, MD's specialty?
MICHAEL WILLIAMS, MD specializes in Surgery Physician and practices in LOUISVILLE, Kentucky. Credentials: MD.
How much does MICHAEL WILLIAMS, MD prescribe under Medicare Part D?
In 2023, MICHAEL WILLIAMS, MD wrote 15 Medicare Part D claims totaling $113 in drug costs for 12 beneficiaries.
Where is MICHAEL WILLIAMS, MD located?
MICHAEL WILLIAMS, MD is located at 315 E BROADWAY STE 301, LOUISVILLE, KY, 40202. Phone: (502) 629-6950.
What is MICHAEL WILLIAMS, MD's NPI number?
MICHAEL WILLIAMS, MD's National Provider Identifier (NPI) is 1801390349, issued on 03/20/2018.
Does MICHAEL WILLIAMS, MD prescribe opioids?
Yes, MICHAEL WILLIAMS, MD had 11 opioid claims in 2023 with an opioid prescribing rate of 73.3%.
How many Surgery Physician providers are there in the US?
There are 36,191 Surgery Physician providers across 56 states in the US. The average Surgery Physician provider writes 169 Medicare Part D claims per year.
Does MICHAEL WILLIAMS, MD accept Medicare?
MICHAEL WILLIAMS, MD appears in CMS Medicare data with 15 Part D claims and 12 Medicare beneficiaries in 2023. Contact the provider's office directly to confirm current Medicare enrollment and accepted plans.
How can I verify MICHAEL WILLIAMS, MD's credentials?
MICHAEL WILLIAMS, MD's NPI is 1801390349 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.
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