2026 NPPES data Physician Assistant NPI 1740550078 P.A.-C
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CHESTER WHITLEY, P.A.-C

Physician Assistant in LAS VEGAS, Nevada. 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
6K
Medicare Part D claims · 770 beneficiaries · Physician Assistant avg: 790
Generic prescribing
89%
generic claims · 11% brand-name · higher generic rates reduce patient out-of-pocket costs

What the federal data shows

CHESTER WHITLEY, P.A.-C filed 6,085 Medicare Part D claims in 2023 as a Physician Assistant in LAS VEGAS, Nevada, prescribing 89% generic.

6K
Part D claims, 2023
89%
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.

CHESTER WHITLEY, P.A.-C's Medicare Part D volume vs every U.S. prescriber

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

6,085 Top 5% higher than 95% 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 CHESTER WHITLEY, P.A.-C?

Quality data not reported

NPI registry status

Active

Issued 01/03/2012

NPI 1740550078

Primary specialty

Physician Assistant

High-volume

149,975 US NPIs in this specialty

Medicare Part D claims

6,085 670% vs specialty avg

2023 prescription claims

Specialty avg: 790

Specialty distribution in Nevada

How Physician Assistant compares to other specialties among Nevada providers

Nevada providers

Physician Assistant share within Nevada

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

Specialty board-certification context

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

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

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

0%100%78%
Est. board-certified rate (Physician Assistant) — 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).

CHESTER WHITLEY, P.A.-C appears in the CMS NPPES registry as a Physician Assistant provider holding P.A.-C credentials at 4517 BLUE DIAMOND RD, LAS VEGAS, NV, 89139, with a listed phone of (725) 258-2982. NPI 1740550078 was issued on 01/03/2012. Because NPPES data is self-reported by the provider and refreshed monthly, the address, phone, and specialty reflect what WHITLEY 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 6,085 prescription claims written by this provider, covering 770 Medicare beneficiaries and totaling roughly $692K in drug spend, split 11% brand-name and 89% generic by claim count, with an opioid prescribing rate of 2.5%. 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.

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

4517 BLUE DIAMOND RD
LAS VEGAS, NV 89139

Provider Details

NPI 1740550078
Specialty Physician Assistant
Credentials P.A.-C
Gender Male
NPI Issued 01/03/2012

Hospital and facility affiliations

Facilities where CHESTER WHITLEY, P.A.-C 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.

CENTERWELL SENIOR PRIMARY CARE NV P C
LAS VEGAS, NV

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

CHESTER WHITLEY, P.A.-C — brand share 11.0%
Specialty average (est.)

11% brand-name claims vs 89% generic, on 6,085 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.

6,085
Total Claims
$692K
Total Drug Cost
770
Medicare Beneficiaries

Prescribing Breakdown

30-Day Fills
15,704
Total Day Supply
466,534
Brand vs Generic
11% brand / 89% generic
Brand Drug Cost
$627K
Generic Drug Cost
$63K
Opioid Claims
154 (2.5% rate)
Antibiotic Claims
56

Patient Demographics

Average Patient Age
72.4 years
Avg HCC Risk Score
1.84
Gender Split
51% female / 49% male
Age Distribution
<65: 65, 65-74: 428, 75-84: 228, 85+: 49

Top Prescribed Drugs (Medicare Part D)

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

What CHESTER WHITLEY, P.A.-C 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
Atorvastatin Calcium
605
Rosuvastatin Calcium
391
Amlodipine Besylate
302
Losartan Potassium
290
Lisinopril
277
Metformin Hcl
191
Metformin Hcl Er
Metformin Hcl
177
Omeprazole
160
Levothyroxine Sodium
126
Hydrochlorothiazide
121

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

Physician Assistant Overview

How CHESTER WHITLEY, P.A.-C fits within the Physician Assistant landscape nationally.

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

CHESTER WHITLEY, P.A.-C's 6,085 claims are above the specialty average of 790.

Nearby Physician Assistant Providers in Nevada

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

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

Frequently Asked Questions

What is CHESTER WHITLEY, P.A.-C's specialty?
CHESTER WHITLEY, P.A.-C specializes in Physician Assistant and practices in LAS VEGAS, Nevada. Credentials: P.A.-C.
How much does CHESTER WHITLEY, P.A.-C prescribe under Medicare Part D?
In 2023, CHESTER WHITLEY, P.A.-C wrote 6,085 Medicare Part D claims totaling $692K in drug costs for 770 beneficiaries.
Where is CHESTER WHITLEY, P.A.-C located?
CHESTER WHITLEY, P.A.-C is located at 4517 BLUE DIAMOND RD, LAS VEGAS, NV, 89139. Phone: (725) 258-2982.
What is CHESTER WHITLEY, P.A.-C's NPI number?
CHESTER WHITLEY, P.A.-C's National Provider Identifier (NPI) is 1740550078, issued on 01/03/2012.
Does CHESTER WHITLEY, P.A.-C prescribe more brand-name or generic drugs?
CHESTER WHITLEY, P.A.-C's prescribing is 11% brand-name and 89% generic drugs by claim count, with $627K in brand drug costs.
Does CHESTER WHITLEY, P.A.-C prescribe opioids?
Yes, CHESTER WHITLEY, P.A.-C had 154 opioid claims in 2023 with an opioid prescribing rate of 2.5%.
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 CHESTER WHITLEY, P.A.-C prescribe most often?
Based on 2023 Medicare Part D data, CHESTER WHITLEY, P.A.-C's most frequently prescribed drugs include Atorvastatin Calcium, Rosuvastatin Calcium, Amlodipine Besylate. This reflects Medicare Part D prescriptions only and does not include commercial insurance or other payer types.
Does CHESTER WHITLEY, P.A.-C accept Medicare?
CHESTER WHITLEY, P.A.-C appears in CMS Medicare data with 6,085 Part D claims and 770 Medicare beneficiaries in 2023. Contact the provider's office directly to confirm current Medicare enrollment and accepted plans.
How can I verify CHESTER WHITLEY, P.A.-C's credentials?
CHESTER WHITLEY, P.A.-C's NPI is 1740550078 with credentials P.A.-C. 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