2026 NPPES data Acute Care Nurse Practitioner NPI 1316224355 ACNP-BC
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WILLIAM ANDREWS, ACNP-BC

Acute Care Nurse Practitioner in NASHVILLE, Tennessee. 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
111
Medicare Part D claims · 34 beneficiaries · Acute Care Nurse Practitioner avg: 576
Generic prescribing
88%
generic claims · 12% brand-name · higher generic rates reduce patient out-of-pocket costs
MIPS score
97.1279/100
▲ 14 pts above national avg 83.1 · [object Object]
What the federal data reveals: WILLIAM ANDREWS, ACNP-BC is a Acute Care Nurse Practitioner ([object Object]) practicing in NASHVILLE, Tennessee with a Medicare Part D prescribing footprint of 111 claims across 34 beneficiaries — 12% brand-name prescribing . Their CMS MIPS Final Score of 97.1279/100 (national average: 83.1) reflects performance across Quality, Cost, Interoperability, and Improvement Activities .

What stands out: WILLIAM ANDREWS, ACNP-BC reported a CMS MIPS final score of 97.1279 out of 100, above the 83.1 national average, and filed 111 Medicare Part D claims in 2023. Every figure on this page comes straight from federal CMS records, with no proprietary rating applied.

WILLIAM ANDREWS, ACNP-BC at a glance

High performer (top quartile)

NPI registry status

Active

Issued 11/04/2011

NPI 1316224355

Primary specialty

Acute Care Nurse Practitioner

Mid-sized

24,583 US NPIs in this specialty

Medicare Part D claims

111 81% vs specialty avg

2023 prescription claims

Specialty avg: 576

MIPS final score

97.1279/100 14.027900000000002% pts

Exceptional band

vs 83.1 national avg

Specialty distribution in Tennessee

How Acute Care Nurse Practitioner compares to other specialties among Tennessee providers

Tennessee providers

Acute Care Nurse Practitioner share within Tennessee

1. Acute Care Nurse Practitioner42%2. Internal medicine21%3. Family medicine17%4. Surgical12%5. Pediatric8%
Acute Care Nurse Practitioner share within Tennessee

Medicare quality performance — MIPS

WILLIAM ANDREWS, ACNP-BC's 2023 MIPS final score plotted against the Acute Care Nurse Practitioner national average

High performer (top quartile)
MIPS Final Score
97.1279/100
vs 83.1 national avg · 2023 performance year

MIPS final score (Acute Care Nurse Practitioner) — 97.1279/100 vs national avg 83.1

0%100%National avg83%97.1%
MIPS final score (Acute Care Nurse Practitioner) — 97.1279/100 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).

WILLIAM ANDREWS, ACNP-BC is a Acute Care Nurse Practitioner provider practicing in NASHVILLE, Tennessee, according to the CMS National Plan and Provider Enumeration System (NPPES). Credentials: ACNP-BC. NPI: 1316224355. 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.

WILLIAM ANDREWS, ACNP-BC appears in the CMS NPPES registry as a Acute Care Nurse Practitioner provider holding ACNP-BC credentials at 3601 THE VANDERBILT CLINIC, NASHVILLE, TN, 37232, with a listed phone of (615) 936-2000. NPI 1316224355 was issued on 11/04/2011. Because NPPES data is self-reported by the provider and refreshed monthly, the address, phone, and specialty reflect what ANDREWS 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 111 prescription claims written by this provider, covering 34 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 21.6%. 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 97.1279/100 for the 2023 performance year (Quality 85.6458), compared with the national average of 83.1.

Acute Care Nurse Practitioner is a mid-sized specialty nationwide, with 24,583 enrolled providers across 53 states and an average of 576 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

3601 THE VANDERBILT CLINIC
NASHVILLE, TN 37232

Provider Details

NPI 1316224355
Specialty Acute Care Nurse Practitioner
Credentials ACNP-BC
Gender Male
NPI Issued 11/04/2011

CMS Quality Score (MIPS)

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

97.1279
Final Score
Avg: 83.1
85.6458
Quality
100
Promoting Interoperability

Reporting: Alternative Payment Model

Hospital and facility affiliations

Facilities where WILLIAM ANDREWS, ACNP-BC 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.

VANDERBILT UNIVERSITY MEDICAL CENTER
★★★★★ 5/5
NASHVILLE, TN
Acute Care Hospitals
CMS CCN: 440039

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 · Typical

WILLIAM ANDREWS, ACNP-BC — brand share 12.0%
Specialty average (est.)

12% brand-name claims vs 88% generic, on 111 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.

111
Total Claims
$5K
Total Drug Cost
34
Medicare Beneficiaries

Prescribing Breakdown

30-Day Fills
129
Total Day Supply
2,449
Brand vs Generic
12% brand / 88% generic
Brand Drug Cost
$4K
Generic Drug Cost
$2K
Opioid Claims
24 (21.6% rate)

Patient Demographics

Average Patient Age
67.3 years
Avg HCC Risk Score
1.57

Top Prescribed Drugs (Medicare Part D)

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

Drug Claims
Gabapentin
14
Oxycodone Hcl
11

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

Acute Care Nurse Practitioner Overview

How WILLIAM ANDREWS, ACNP-BC fits within the Acute Care Nurse Practitioner landscape nationally.

24,583
Acute Care Nurse Practitioner Providers in US
53
States with Acute Care Nurse Practitioner
576
Avg Claims per Provider

WILLIAM ANDREWS, ACNP-BC's 111 claims are below the specialty average of 576.

Nearby Acute Care Nurse Practitioner Providers in Tennessee

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

Compare Acute Care Nurse Practitioner nationally: see state-by-state distribution →

Frequently Asked Questions

What is WILLIAM ANDREWS, ACNP-BC's specialty?
WILLIAM ANDREWS, ACNP-BC specializes in Acute Care Nurse Practitioner and practices in NASHVILLE, Tennessee. Credentials: ACNP-BC.
How much does WILLIAM ANDREWS, ACNP-BC prescribe under Medicare Part D?
In 2023, WILLIAM ANDREWS, ACNP-BC wrote 111 Medicare Part D claims totaling $5K in drug costs for 34 beneficiaries.
What is WILLIAM ANDREWS, ACNP-BC's Medicare quality score?
WILLIAM ANDREWS, ACNP-BC has a CMS MIPS Final Score of 97.1279/100 (Quality: 85.6458). The national average MIPS Final Score is 83.1. Source: CMS Merit-based Incentive Payment System (MIPS) 2023.
Where is WILLIAM ANDREWS, ACNP-BC located?
WILLIAM ANDREWS, ACNP-BC is located at 3601 THE VANDERBILT CLINIC, NASHVILLE, TN, 37232. Phone: (615) 936-2000.
What is WILLIAM ANDREWS, ACNP-BC's NPI number?
WILLIAM ANDREWS, ACNP-BC's National Provider Identifier (NPI) is 1316224355, issued on 11/04/2011.
Does WILLIAM ANDREWS, ACNP-BC prescribe more brand-name or generic drugs?
WILLIAM ANDREWS, ACNP-BC's prescribing is 12% brand-name and 88% generic drugs by claim count, with $4K in brand drug costs.
Does WILLIAM ANDREWS, ACNP-BC prescribe opioids?
Yes, WILLIAM ANDREWS, ACNP-BC had 24 opioid claims in 2023 with an opioid prescribing rate of 21.6%.
How many Acute Care Nurse Practitioner providers are there in the US?
There are 24,583 Acute Care Nurse Practitioner providers across 53 states in the US. The average Acute Care Nurse Practitioner provider writes 576 Medicare Part D claims per year.
What drugs does WILLIAM ANDREWS, ACNP-BC prescribe most often?
Based on 2023 Medicare Part D data, WILLIAM ANDREWS, ACNP-BC's most frequently prescribed drugs include Gabapentin, Oxycodone Hcl. This reflects Medicare Part D prescriptions only and does not include commercial insurance or other payer types.
Does WILLIAM ANDREWS, ACNP-BC accept Medicare?
WILLIAM ANDREWS, ACNP-BC appears in CMS Medicare data with 111 Part D claims and 34 Medicare beneficiaries in 2023. Contact the provider's office directly to confirm current Medicare enrollment and accepted plans.
How can I verify WILLIAM ANDREWS, ACNP-BC's credentials?
WILLIAM ANDREWS, ACNP-BC's NPI is 1316224355 with credentials ACNP-BC. 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