2026 NPPES data Physician Assistant NPI 1831781582 PA
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LEAH BIGELOW, PA

Physician Assistant in RALEIGH, North Carolina. 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
236
Medicare Part D claims · 177 beneficiaries · Physician Assistant avg: 790
MIPS score
98.333/100
▲ 15 pts above national avg 83.1 · [object Object]
What the federal data reveals: LEAH BIGELOW, PA is a Physician Assistant ([object Object]) practicing in RALEIGH, North Carolina with a Medicare Part D prescribing footprint of 236 claims across 177 beneficiaries . Their CMS MIPS Final Score of 98.333/100 (national average: 83.1) reflects performance across Quality, Cost, Interoperability, and Improvement Activities .

What stands out: LEAH BIGELOW, PA reported a CMS MIPS final score of 98.333 out of 100, above the 83.1 national average, and filed 236 Medicare Part D claims in 2023. Every figure on this page comes straight from federal CMS records, with no proprietary rating applied.

LEAH BIGELOW, PA at a glance

High performer (top quartile)

NPI registry status

Active

Issued 02/04/2021

NPI 1831781582

Primary specialty

Physician Assistant

High-volume

149,975 US NPIs in this specialty

Medicare Part D claims

236 70% vs specialty avg

2023 prescription claims

Specialty avg: 790

MIPS final score

98.333/100 15.233000000000004% pts

Exceptional band

vs 83.1 national avg

Specialty distribution in North Carolina

How Physician Assistant compares to other specialties among North Carolina providers

North Carolina providers

Physician Assistant share within North Carolina

1. Physician Assistant42%2. Internal medicine21%3. Family medicine17%4. Surgical12%5. Pediatric8%
Physician Assistant share within North Carolina

Medicare quality performance — MIPS

LEAH BIGELOW, PA's 2023 MIPS final score plotted against the Physician Assistant national average

High performer (top quartile)
MIPS Final Score
98.333/100
vs 83.1 national avg · 2023 performance year

MIPS final score (Physician Assistant) — 98.333/100 vs national avg 83.1

0%100%National avg83%98.3%
MIPS final score (Physician Assistant) — 98.333/100 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).

LEAH BIGELOW, PA is a Physician Assistant provider practicing in RALEIGH, North Carolina, according to the CMS National Plan and Provider Enumeration System (NPPES). Credentials: PA. NPI: 1831781582. 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.

LEAH BIGELOW, PA appears in the CMS NPPES registry as a Physician Assistant provider holding PA credentials at 4500 BARTLETT DR, RALEIGH, NC, 27609, with a listed phone of (919) 559-4661. NPI 1831781582 was issued on 02/04/2021. Because NPPES data is self-reported by the provider and refreshed monthly, the address, phone, and specialty reflect what BIGELOW 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 236 prescription claims written by this provider, covering 177 Medicare beneficiaries and totaling roughly $3K in drug spend, with an opioid prescribing rate of 5.1%. 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 98.333/100 for the 2023 performance year (Quality 82.9398), compared with the national average of 83.1.

Physician Assistant is a high-volume specialty nationwide, with 149,975 enrolled providers across 56 states and an average of 790 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

4500 BARTLETT DR
RALEIGH, NC 27609

Provider Details

NPI 1831781582
Specialty Physician Assistant
Credentials PA
Gender Female
NPI Issued 02/04/2021

CMS Quality Score (MIPS)

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

98.333
Final Score
Avg: 83.1
82.9398
Quality
100
Promoting Interoperability

Reporting: Alternative Payment Model

Medicare Part D Prescribing Data

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

236
Total Claims
$3K
Total Drug Cost
177
Medicare Beneficiaries

Prescribing Breakdown

30-Day Fills
243
Total Day Supply
2,502
Generic Drug Cost
$2K
Opioid Claims
12 (5.1% rate)
Antibiotic Claims
87

Patient Demographics

Average Patient Age
70.4 years
Avg HCC Risk Score
1.90
Gender Split
63% female / 37% male
Age Distribution
<65: 45, 65-74: 63, 75-84: 49, 85+: 20

Top Prescribed Drugs (Medicare Part D)

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

Drug Claims
Prednisone
19
Methylprednisolone
18
Cephalexin
16
Ciprofloxacin Hcl
14
Cefdinir
13
Amoxicillin-Clavulanate Potass
Amoxicillin/Potassium Clav
12
Naproxen
12
Fluticasone Propionate
11

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

Physician Assistant Overview

How LEAH BIGELOW, PA fits within the Physician Assistant landscape nationally.

149,975
Physician Assistant Providers in US
56
States with Physician Assistant
790
Avg Claims per Provider

LEAH BIGELOW, PA's 236 claims are below the specialty average of 790.

Nearby Physician Assistant Providers in North Carolina

Other clinicians with the same primary specialty enrolled in North Carolina, drawn from the same CMS NPPES roster as BIGELOW.

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

Frequently Asked Questions

What is LEAH BIGELOW, PA's specialty?
LEAH BIGELOW, PA specializes in Physician Assistant and practices in RALEIGH, North Carolina. Credentials: PA.
How much does LEAH BIGELOW, PA prescribe under Medicare Part D?
In 2023, LEAH BIGELOW, PA wrote 236 Medicare Part D claims totaling $3K in drug costs for 177 beneficiaries.
What is LEAH BIGELOW, PA's Medicare quality score?
LEAH BIGELOW, PA has a CMS MIPS Final Score of 98.333/100 (Quality: 82.9398). The national average MIPS Final Score is 83.1. Source: CMS Merit-based Incentive Payment System (MIPS) 2023.
Where is LEAH BIGELOW, PA located?
LEAH BIGELOW, PA is located at 4500 BARTLETT DR, RALEIGH, NC, 27609. Phone: (919) 559-4661.
What is LEAH BIGELOW, PA's NPI number?
LEAH BIGELOW, PA's National Provider Identifier (NPI) is 1831781582, issued on 02/04/2021.
Does LEAH BIGELOW, PA prescribe opioids?
Yes, LEAH BIGELOW, PA had 12 opioid claims in 2023 with an opioid prescribing rate of 5.1%.
How many Physician Assistant providers are there in the US?
There are 149,975 Physician Assistant providers across 56 states in the US. The average Physician Assistant provider writes 790 Medicare Part D claims per year.
What drugs does LEAH BIGELOW, PA prescribe most often?
Based on 2023 Medicare Part D data, LEAH BIGELOW, PA's most frequently prescribed drugs include Prednisone, Methylprednisolone, Cephalexin. This reflects Medicare Part D prescriptions only and does not include commercial insurance or other payer types.
Does LEAH BIGELOW, PA accept Medicare?
LEAH BIGELOW, PA appears in CMS Medicare data with 236 Part D claims and 177 Medicare beneficiaries in 2023. Contact the provider's office directly to confirm current Medicare enrollment and accepted plans.
How can I verify LEAH BIGELOW, PA's credentials?
LEAH BIGELOW, PA's NPI is 1831781582 with credentials PA. 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