2026 NPPES data Nurse Practitioner NPI 1912340902 NP
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LISA WALKER, NP

Nurse Practitioner in NORFOLK, Virginia. 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
3K
Medicare Part D claims · 365 beneficiaries · Nurse Practitioner avg: 1K
Generic prescribing
89%
generic claims · 11% brand-name · higher generic rates reduce patient out-of-pocket costs
Industry payments
$2.2K
102 payments · CMS Open Payments (Sunshine Act)

What the federal data shows

LISA WALKER, NP filed 3,217 Medicare Part D claims in 2023 as a Nurse Practitioner in NORFOLK, Virginia, prescribing 89% generic.

3K
Part D claims, 2023
89%
generic prescribing
$2.2K
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.

LISA WALKER, NP's Medicare Part D volume vs every U.S. prescriber

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

3,217 Top 11% higher than 89% 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%). Below this entry. 1,200–1,400: 26,224 prescribers (2%). Below this entry. 1,400–1,600: 21,710 prescribers (2%). Below this entry. 1,600–1,800: 19,072 prescribers (1%). Below this entry. 1,800–2,000: 16,451 prescribers (1%). Below this entry. 2,000–2,200: 213,991 prescribers (16%). This entry sits in this band. 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 LISA WALKER, NP?

Quality data not reported

NPI registry status

Active

Issued 04/09/2013

NPI 1912340902

Primary specialty

Nurse Practitioner

High-volume

87,227 US NPIs in this specialty

Medicare Part D claims

3,217 197% vs specialty avg

2023 prescription claims

Specialty avg: 1,084

Specialty distribution in Virginia

How Nurse Practitioner compares to other specialties among Virginia providers

Virginia providers

Nurse Practitioner share within Virginia

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

Specialty board-certification context

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

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

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

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

LISA WALKER, NP appears in the CMS NPPES registry as a Nurse Practitioner provider holding NP credentials at 6275 E VIRGINIA BEACH BLVD, NORFOLK, VA, 23502, with a listed phone of (757) 461-3141. NPI 1912340902 was issued on 04/09/2013. Because NPPES data is self-reported by the provider and refreshed monthly, the address, phone, and specialty reflect what WALKER 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 3,217 prescription claims written by this provider, covering 365 Medicare beneficiaries and totaling roughly $471K in drug spend, split 11% brand-name and 89% generic by claim count, with an opioid prescribing rate of 45.4%. 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.

Nurse Practitioner is a high-volume specialty nationwide, with 87,227 enrolled providers across 56 states and an average of 1,084 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

6275 E VIRGINIA BEACH BLVD
NORFOLK, VA 23502

Provider Details

NPI 1912340902
Specialty Nurse Practitioner
Credentials NP
Gender Female
NPI Issued 04/09/2013

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 LISA WALKER, NP. Source: openpaymentsdata.cms.gov.

Total received

$2.2K

Largest payer

Lundbeck 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

LISA WALKER, NP — brand share 11.0%
Specialty average (est.)

11% brand-name claims vs 89% generic, on 3,217 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.

3,217
Total Claims
$471K
Total Drug Cost
365
Medicare Beneficiaries

Prescribing Breakdown

30-Day Fills
3,489
Total Day Supply
101,905
Brand vs Generic
11% brand / 89% generic
Brand Drug Cost
$281K
Generic Drug Cost
$190K
Opioid Claims
1,462 (45.4% rate)

Patient Demographics

Average Patient Age
63.9 years
Avg HCC Risk Score
1.78
Gender Split
62% female / 38% male
Age Distribution
<65: 168, 65-74: 157, 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 LISA WALKER, NP 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
Oxycodone Hcl
588
Hydromorphone Hcl
175
Morphine Sulfate Er
Morphine Sulfate
171
Alprazolam
117
Gabapentin
110
Hydrocodone-Acetaminophen
Hydrocodone/Acetaminophen
106
Methadone Hcl
92
Diazepam
91
Oxycodone-Acetaminophen
Oxycodone Hcl/Acetaminophen
86
Fentanyl
79

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

Nurse Practitioner Overview

How LISA WALKER, NP fits within the Nurse Practitioner landscape nationally.

87,227
Nurse Practitioner Providers in US
56
States with Nurse Practitioner
1,084
Avg Claims per Provider

LISA WALKER, NP's 3,217 claims are above the specialty average of 1,084.

Nearby Nurse Practitioner Providers in Virginia

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

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

Frequently Asked Questions

What is LISA WALKER, NP's specialty?
LISA WALKER, NP specializes in Nurse Practitioner and practices in NORFOLK, Virginia. Credentials: NP.
How much does LISA WALKER, NP prescribe under Medicare Part D?
In 2023, LISA WALKER, NP wrote 3,217 Medicare Part D claims totaling $471K in drug costs for 365 beneficiaries.
Where is LISA WALKER, NP located?
LISA WALKER, NP is located at 6275 E VIRGINIA BEACH BLVD, NORFOLK, VA, 23502. Phone: (757) 461-3141.
What is LISA WALKER, NP's NPI number?
LISA WALKER, NP's National Provider Identifier (NPI) is 1912340902, issued on 04/09/2013.
Does LISA WALKER, NP prescribe more brand-name or generic drugs?
LISA WALKER, NP's prescribing is 11% brand-name and 89% generic drugs by claim count, with $281K in brand drug costs.
Does LISA WALKER, NP prescribe opioids?
Yes, LISA WALKER, NP had 1,462 opioid claims in 2023 with an opioid prescribing rate of 45.4%.
How many Nurse Practitioner providers are there in the US?
There are 87,227 Nurse Practitioner providers across 56 states in the US. The average Nurse Practitioner provider writes 1,084 Medicare Part D claims per year.
What drugs does LISA WALKER, NP prescribe most often?
Based on 2023 Medicare Part D data, LISA WALKER, NP's most frequently prescribed drugs include Oxycodone Hcl, Hydromorphone Hcl, Morphine Sulfate Er. This reflects Medicare Part D prescriptions only and does not include commercial insurance or other payer types.
Does LISA WALKER, NP accept Medicare?
LISA WALKER, NP appears in CMS Medicare data with 3,217 Part D claims and 365 Medicare beneficiaries in 2023. Contact the provider's office directly to confirm current Medicare enrollment and accepted plans.
How can I verify LISA WALKER, NP's credentials?
LISA WALKER, NP's NPI is 1912340902 with credentials NP. 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