2026 NPPES data Physician Assistant NPI 1114228517 PA
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CARLA CHONG, PA

Physician Assistant in RENO, 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
2K
Medicare Part D claims · 277 beneficiaries · Physician Assistant avg: 790
Generic prescribing
97%
generic claims · 3% brand-name · higher generic rates reduce patient out-of-pocket costs
MIPS score
91.5901/100
▲ 8 pts above national avg 83.1 · [object Object]
Industry payments
$959.7
51 payments · CMS Open Payments (Sunshine Act)
What the federal data reveals: CARLA CHONG, PA is a Physician Assistant ([object Object]) practicing in RENO, Nevada with a Medicare Part D prescribing footprint of 2K claims across 277 beneficiaries — 3% brand-name prescribing . Their CMS MIPS Final Score of 91.5901/100 (national average: 83.1) reflects performance across Quality, Cost, Interoperability, and Improvement Activities . Industry payments of $959.7 across 51 transactions are disclosed under CMS Open Payments (Sunshine Act).

What stands out: CARLA CHONG, PA reported a CMS MIPS final score of 91.5901 out of 100, above the 83.1 national average, and filed 2,329 Medicare Part D claims in 2023. Every figure on this page comes straight from federal CMS records, with no proprietary rating applied.

CARLA CHONG, PA at a glance

High performer (top quartile)

NPI registry status

Active

Issued 11/16/2010

NPI 1114228517

Primary specialty

Physician Assistant

High-volume

149,975 US NPIs in this specialty

Medicare Part D claims

2,329 195% vs specialty avg

2023 prescription claims

Specialty avg: 790

MIPS final score

91.5901/100 8.490100000000012% pts

Exceptional band

vs 83.1 national avg

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

Medicare quality performance — MIPS

CARLA CHONG, PA's 2023 MIPS final score plotted against the Physician Assistant national average

High performer (top quartile)
MIPS Final Score
91.5901/100
vs 83.1 national avg · 2023 performance year

MIPS final score (Physician Assistant) — 91.5901/100 vs national avg 83.1

0%100%National avg83%91.6%
MIPS final score (Physician Assistant) — 91.5901/100 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).

CARLA CHONG, PA is a Physician Assistant provider practicing in RENO, Nevada, according to the CMS National Plan and Provider Enumeration System (NPPES). Credentials: PA. NPI: 1114228517. 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.

CARLA CHONG, PA appears in the CMS NPPES registry as a Physician Assistant provider holding PA credentials at 9480 DOUBLE DIAMOND PKWY STE 200, RENO, NV, 89521, with a listed phone of (775) 348-8800. NPI 1114228517 was issued on 11/16/2010. Because NPPES data is self-reported by the provider and refreshed monthly, the address, phone, and specialty reflect what CHONG 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 2,329 prescription claims written by this provider, covering 277 Medicare beneficiaries and totaling roughly $82K in drug spend, split 3% brand-name and 97% generic by claim count, with an opioid prescribing rate of 49.9%. 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 91.5901/100 for the 2023 performance year (Quality 85.0511), 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

9480 DOUBLE DIAMOND PKWY STE 200
RENO, NV 89521

Provider Details

NPI 1114228517
Specialty Physician Assistant
Credentials PA
Gender Female
NPI Issued 11/16/2010

CMS Quality Score (MIPS)

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

91.5901
Final Score
Avg: 83.1
85.0511
Quality
96.8817
Promoting Interoperability

Reporting: Alternative Payment Model

Hospital and facility affiliations

Facilities where CARLA CHONG, PA 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.

MARSHALL MEDICAL CENTER
★★★★☆ 4/5
EL DORADO HILLS, CA
Acute Care Hospitals
CMS CCN: 050254
JAMES J LYNCH MD LTD
RENO, 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).

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 CARLA CHONG, PA. Source: openpaymentsdata.cms.gov.

Total received

$960

Largest payer

Corcept Therapeutics

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 · Generic-heavy

CARLA CHONG, PA — brand share 3.0%
Specialty average (est.)

3% brand-name claims vs 97% generic, on 2,329 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.

2,329
Total Claims
$82K
Total Drug Cost
277
Medicare Beneficiaries

Prescribing Breakdown

30-Day Fills
2,669
Total Day Supply
77,199
Brand vs Generic
3% brand / 97% generic
Brand Drug Cost
$33K
Generic Drug Cost
$49K
Opioid Claims
1,162 (49.9% rate)

Patient Demographics

Average Patient Age
69.2 years
Avg HCC Risk Score
1.47
Gender Split
71% female / 29% male
Age Distribution
<65: 59, 65-74: 145, 75-84: 60, 85+: 13

Top Prescribed Drugs (Medicare Part D)

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

Drug Claims
Hydrocodone-Acetaminophen
Hydrocodone/Acetaminophen
553
Gabapentin
319
Oxycodone Hcl
207
Oxycodone-Acetaminophen
Oxycodone Hcl/Acetaminophen
163
Pregabalin
141
Cyclobenzaprine Hcl
117
Morphine Sulfate Er
Morphine Sulfate
110
Tramadol Hcl
87
Methocarbamol
60
Baclofen
57

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

Physician Assistant Overview

How CARLA CHONG, 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

CARLA CHONG, PA's 2,329 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 CHONG.

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

Frequently Asked Questions

What is CARLA CHONG, PA's specialty?
CARLA CHONG, PA specializes in Physician Assistant and practices in RENO, Nevada. Credentials: PA.
How much does CARLA CHONG, PA prescribe under Medicare Part D?
In 2023, CARLA CHONG, PA wrote 2,329 Medicare Part D claims totaling $82K in drug costs for 277 beneficiaries.
What is CARLA CHONG, PA's Medicare quality score?
CARLA CHONG, PA has a CMS MIPS Final Score of 91.5901/100 (Quality: 85.0511). The national average MIPS Final Score is 83.1. Source: CMS Merit-based Incentive Payment System (MIPS) 2023.
Where is CARLA CHONG, PA located?
CARLA CHONG, PA is located at 9480 DOUBLE DIAMOND PKWY STE 200, RENO, NV, 89521. Phone: (775) 348-8800.
What is CARLA CHONG, PA's NPI number?
CARLA CHONG, PA's National Provider Identifier (NPI) is 1114228517, issued on 11/16/2010.
Does CARLA CHONG, PA prescribe more brand-name or generic drugs?
CARLA CHONG, PA's prescribing is 3% brand-name and 97% generic drugs by claim count, with $33K in brand drug costs.
Does CARLA CHONG, PA prescribe opioids?
Yes, CARLA CHONG, PA had 1,162 opioid claims in 2023 with an opioid prescribing rate of 49.9%.
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 CARLA CHONG, PA prescribe most often?
Based on 2023 Medicare Part D data, CARLA CHONG, PA's most frequently prescribed drugs include Hydrocodone-Acetaminophen, Gabapentin, Oxycodone Hcl. This reflects Medicare Part D prescriptions only and does not include commercial insurance or other payer types.
Does CARLA CHONG, PA accept Medicare?
CARLA CHONG, PA appears in CMS Medicare data with 2,329 Part D claims and 277 Medicare beneficiaries in 2023. Contact the provider's office directly to confirm current Medicare enrollment and accepted plans.
How can I verify CARLA CHONG, PA's credentials?
CARLA CHONG, PA's NPI is 1114228517 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