2026 NPPES data Registered Nurse NPI 1598014201 M.ED./ED.S., MSN
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William Siegal, M.ED./ED.S., MSN

Registered Nurse in Franklin, 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
1K
Medicare Part D claims · 50 beneficiaries · Registered Nurse avg: 1K
Generic prescribing
93%
generic claims · 7% brand-name · higher generic rates reduce patient out-of-pocket costs

What the federal data shows

William Siegal, M.ED./ED.S., MSN filed 1,041 Medicare Part D claims in 2023 as a Registered Nurse in Franklin, Tennessee, prescribing 93% generic.

1K
Part D claims, 2023
93%
generic prescribing

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.

William Siegal, M.ED./ED.S., MSN's Medicare Part D volume vs every U.S. prescriber

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

1,041 Top 24% higher than 76% of 1,370,886 prescribers

0–200: 670,926 prescribers (49%). Below this entry. 200–400: 182,923 prescribers (13%). Below this entry. 400–600: 90,619 prescribers (7%). Below this entry. 600–800: 56,224 prescribers (4%). Below this entry. 800–1,000: 40,919 prescribers (3%). Below this entry. 1,000–1,200: 31,827 prescribers (2%). This entry sits in this band. 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

What does the federal data show about William Siegal, M.ED./ED.S., MSN?

Quality data not reported

NPI registry status

Active

Issued 09/10/2012

NPI 1598014201

Primary specialty

Registered Nurse

High-volume

175,652 US NPIs in this specialty

Medicare Part D claims

1,041 4% vs specialty avg

2023 prescription claims

Specialty avg: 1,000

Specialty distribution in Tennessee

How Registered Nurse compares to other specialties among Tennessee providers

Tennessee providers

Registered Nurse share within Tennessee

1. Registered Nurse42%2. Internal medicine21%3. Family medicine17%4. Surgical12%5. Pediatric8%
Registered Nurse share within Tennessee

Specialty board-certification context

Estimated specialty board-certified rate — Registered Nurse (ABMS / AOA reference)

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

Est. board-certified rate (Registered Nurse) — ABMS / AOA estimate

0%100%78%
Est. board-certified rate (Registered Nurse) — 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).

William Siegal, M.ED./ED.S., MSN appears in the CMS NPPES registry as a Registered Nurse provider holding M.ED./ED.S., MSN credentials at 1113 MURFREESBORO RD STE 319, Franklin, TN, 37064, with a listed phone of (615) 790-0567. NPI 1598014201 was issued on 09/10/2012. Because NPPES data is self-reported by the provider and refreshed monthly, the address, phone, and specialty reflect what Siegal 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 1,041 prescription claims written by this provider, covering 50 Medicare beneficiaries and totaling roughly $175K in drug spend, split 7% brand-name and 93% 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.

Registered Nurse is a high-volume specialty nationwide, with 175,652 enrolled providers across 56 states and an average of 1,000 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

1113 MURFREESBORO RD STE 319
Franklin, TN 37064

Provider Details

NPI 1598014201
Specialty Registered Nurse
Credentials M.ED./ED.S., MSN
Gender Male
NPI Issued 09/10/2012

Brand vs generic prescribing mix · Generic-heavy

William Siegal, M.ED./ED.S., MSN — brand share 7.0%
Specialty average (est.)

7% brand-name claims vs 93% generic, on 1,041 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.

1,041
Total Claims
$175K
Total Drug Cost
50
Medicare Beneficiaries

Prescribing Breakdown

30-Day Fills
1,545
Total Day Supply
45,671
Brand vs Generic
7% brand / 93% generic
Brand Drug Cost
$140K
Generic Drug Cost
$35K

Patient Demographics

Average Patient Age
52.7 years
Avg HCC Risk Score
1.07
Gender Split
62% female / 38% male
Age Distribution
<65: 31, 65-74: 16, 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.

What William Siegal, M.ED./ED.S., MSN prescribes most

Top Medicare Part D drugs by claim count, 2023

claims
Source CMS Medicare Part D Prescriber Public Use File As of 2023
Drug Claims
Buspirone Hcl
68
Quetiapine Fumarate
60
Trazodone Hcl
48
Aripiprazole
47
Fluoxetine Hcl
46
Lamotrigine
41
Hydroxyzine Pamoate
32
Diazepam
30
Desvenlafaxine Succinate Er
Desvenlafaxine Succinate
28
Mirtazapine
28

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

Registered Nurse Overview

How William Siegal, M.ED./ED.S., MSN fits within the Registered Nurse landscape nationally.

175,652
Registered Nurse Providers in US
56
States with Registered Nurse
1,000
Avg Claims per Provider

William Siegal, M.ED./ED.S., MSN's 1,041 claims are above the specialty average of 1,000.

Nearby Registered Nurse Providers in Tennessee

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

Compare Registered Nurse nationally: see state-by-state distribution →

Before you book an appointment

Use this federal record as your verification checklist, not as a recommendation.

  • Confirm the NPI record is current in the official CMS registry — providers update their own NPPES details, and moves can lag. Verify this NPI
  • Check the active license and any disciplinary history with the Tennessee medical board — federal registration is not a license check. Credential verification guide
  • Weigh a second option: compare this provider with a nearby Registered Nurse peer on Medicare volume and prescribing patterns. Compare providers

Medicare Part D and MIPS figures describe practice patterns in federal programs only — they are not quality ratings, and PlainDoctor does not rate, rank, or recommend providers.

Frequently Asked Questions

What is William Siegal, M.ED./ED.S., MSN's specialty?
William Siegal, M.ED./ED.S., MSN specializes in Registered Nurse and practices in Franklin, Tennessee. Credentials: M.ED./ED.S., MSN.
How much does William Siegal, M.ED./ED.S., MSN prescribe under Medicare Part D?
In 2023, William Siegal, M.ED./ED.S., MSN wrote 1,041 Medicare Part D claims totaling $175K in drug costs for 50 beneficiaries.
Where is William Siegal, M.ED./ED.S., MSN located?
William Siegal, M.ED./ED.S., MSN is located at 1113 MURFREESBORO RD STE 319, Franklin, TN, 37064. Phone: (615) 790-0567.
What is William Siegal, M.ED./ED.S., MSN's NPI number?
William Siegal, M.ED./ED.S., MSN's National Provider Identifier (NPI) is 1598014201, issued on 09/10/2012.
Does William Siegal, M.ED./ED.S., MSN prescribe more brand-name or generic drugs?
William Siegal, M.ED./ED.S., MSN's prescribing is 7% brand-name and 93% generic drugs by claim count, with $140K in brand drug costs.
How many Registered Nurse providers are there in the US?
There are 175,652 Registered Nurse providers across 56 states in the US. The average Registered Nurse provider writes 1,000 Medicare Part D claims per year.
What drugs does William Siegal, M.ED./ED.S., MSN prescribe most often?
Based on 2023 Medicare Part D data, William Siegal, M.ED./ED.S., MSN's most frequently prescribed drugs include Buspirone Hcl, Quetiapine Fumarate, Trazodone Hcl. This reflects Medicare Part D prescriptions only and does not include commercial insurance or other payer types.
Does William Siegal, M.ED./ED.S., MSN accept Medicare?
William Siegal, M.ED./ED.S., MSN appears in CMS Medicare data with 1,041 Part D claims and 50 Medicare beneficiaries in 2023. Contact the provider's office directly to confirm current Medicare enrollment and accepted plans.
How can I verify William Siegal, M.ED./ED.S., MSN's credentials?
William Siegal, M.ED./ED.S., MSN's NPI is 1598014201 with credentials M.ED./ED.S., MSN. 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