NPI registry status
Active
2026 NPPES data Urology Physician NPI 1528127198 MD
Verify on CMS → Paul Gweon, MD
Urology Physician in Riverside, California.
This profile is drawn from the federal National Provider Identifier Registry (CMS NPPES), which lists more than 7 million U.S. healthcare providers - including 13,606 in Urology Physician, and covers specialty classification, practice address, and Medicare Part D prescribing data when reported. According to CMS, every field reflects the provider's official federal registration, see our methodology.
Federal data, no proprietary rating.
We show these CMS records as-is - no composite score, no star rating, no editorial opinion layered on top.
Prescribing volume
817
Medicare Part D claims · 264 beneficiaries · Urology Physician avg: 1K
MIPS score
97.1/100
▲ 14 pts above national avg 83.5 · Exceptional
What the federal data shows
Paul Gweon, MD reported a CMS MIPS final score of 97.1/100 - above the 83.5 national average - and filed 817 Medicare Part D claims in 2024.
- 97.1/100
- MIPS score · +14 vs avg
- 817
- Part D claims, 2024
- Likely
- board-certified (heuristic)
- ≥84th
- pct among measured MIPS (lower-bound band)
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.
Federal trust snapshot
What official records show about Paul Gweon, MD
Federal records show an active NPI with both Medicare prescribing volume and a measured CMS quality score — objective registry data, not patient reviews.
- Verified
NPI registry status
Active listing in the CMS National Provider Identifier Registry (NPI 1528127198), first enumerated 12/08/2006.
Source: CMS NPPES
- Reported
Medicare Part D participation
Filed 817 Medicare Part D prescription claims in the 2023 CMS public use file — indicates active Medicare prescribing participation.
Source: CMS Part D Prescriber PUF
- Reported
CMS quality reporting (MIPS)
Reported a CMS MIPS final score of 97.1/100 in the Quality Payment Program — a federal quality measure, not a patient review.
Source: CMS Quality Payment Program
- Reported
Board certification signal
Heuristic suggests board-certified status based on ABMS-eligible specialty taxonomy plus active CMS participation signals — not a direct ABMS verification.
- State context
State board disciplinary context
California statewide board action statistics are published annually — these figures describe aggregate state activity, not Paul Gweon, MD's individual license status. Verify directly with the state medical board.
Source: MBC annual report 2023
- Not in federal data
Individual sanction lookup
PlainDoctor does not publish per-provider disciplinary determinations. Confirm current license and any individual actions through the state medical board or FSMB verification service.
Source: State medical board / FSMB
This trust snapshot summarizes only what appears in federal CMS/NPPES public records. It is not a composite score, star rating, patient review, or clinical recommendation. PlainDoctor never fabricates reviews or AggregateRating schema.
CMS NPPES provider registry desk
NPI 1528127198 · Urology Physician
NPI-10 · ENUM-LEGACY · TAX-MID · MIPS-ELITE · RX-LIGHT · BOOK-LIGHT · PHOTO-FINISH
- NPI-10 1528127198
- ENUM-LEGACY 2006
- TAX-MID 14K Urology Physician
- MIPS-ELITE 97.1/100
- RX-LIGHT 817
- BOOK-LIGHT 1,421 in California
- PHOTO-FINISH Bashir Al Hussein Al… · ±0.0
MIPS final-score neighbourhood
Same-specialty nationwide peers by CMS final score, not geographic proximity
- Gweon · this pro…
Gweon · this provider
97.1 MIPS pts
- Sam Chang, MD · …
Sam Chang, MD
97.1 MIPS pts
- Bashir Al Hussei…
Bashir Al Hussein Al Awamlh, M.D.
97.1 MIPS pts
- Daniel Barocas, …
Daniel Barocas, MD
97.1 MIPS pts
- John Brock, MD ·…
John Brock, MD
97.1 MIPS pts
What this shows Nearest measured MIPS peers for this NUCC specialty (2023 performance year).
Paul Gweon, MD's MIPS score vs every measured U.S. clinician
CMS Merit-based Incentive Payment System (MIPS) final score, 2023, the federal quality measure. Clinicians whose score CMS assigned without scoring any category are excluded.
97 ≥ 84th percentile 84% of 454,083 measured providers are in lower value bands
Each bar is a band; taller bars hold more measured providers. 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.
The percentile is a conservative whole-score-point band: it counts only measured clinicians in lower score bands. A CMS MIPS metric is not a recommendation or a clinical-quality rating by PlainDoctor. See methodology § corpus placement.
Source CMS Merit-based Incentive Payment System (MIPS) · 2023
Where Paul Gweon, MD sits
This provider among urology physician peers
Across the 4,091 urology physician providers who report both Medicare Part D prescribing and a MIPS quality score, Paul Gweon, MD writes more Part D claims than 35% of them and scores higher on MIPS quality than 76% - placing this provider in the lower-volume, high-quality quadrant. Volume reflects patient-panel size and specialty, not quality; the two axes are independent.
Each dot is one urology physician peer from a representative sample of 60; the gold marker is Paul Gweon, MD. Source: CMS Medicare Part D Prescriber data and the CMS Merit-based Incentive Payment System, 2023.
✓
Board certification likely (heuristic, not verified)
Paul Gweon, MD practices in an ABMS-board-eligible specialty and shows active CMS Medicare participation + MIPS quality reporting - signals consistent with board-certified status. For verified board certification, see CertificationMatters.org (the official ABMS public lookup).
What does the federal data show about Paul Gweon, MD?
High performer (top quartile)Primary specialty
Urology Physician
Medicare Part D claims
817 40% vs specialty avg
MIPS final score
97.1/100 13.6 pts vs avg
Specialty distribution in California
How Urology Physician compares to other specialties among California providers
Medicare quality performance, MIPS
Paul Gweon, MD's 2023 MIPS final score plotted against the Urology Physician national average
- MIPS Final Score
- 97.1/100
- vs 83.5 national avg · 2023 performance year
How MIPS and board certification work
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).
Practice Address
Provider Details
| NPI | 1528127198 |
|---|---|
| Specialty | Urology Physician |
| Credentials | MD |
| Gender | Male |
| NPI Issued | 12/08/2006 |
CMS Quality Score (MIPS)
Merit-based Incentive Payment System (MIPS) scores from CMS, 2023 performance year.
97.1217
Final Score
Measured-score avg: 83.5
84.2434
Quality
100
Promoting Interoperability
Reporting: Alternative Payment Model
License & disciplinary context - California MBC 2023 annual report
Aggregate state board data only, NOT a determination of any individual provider's status. The figures below describe statewide disciplinary activity across all ~150K California medical licensees in 2023 - they are NOT specific to Paul Gweon, MD. To verify Paul Gweon, MD's current license status, search the MBC public license lookup directly, or check the Federation of State Medical Boards (FSMB) verification service.
576
Total board actions, California 2023
Across 556 cases
3.84
Actions per 1,000 licensees
California statewide rate
probation
Most common action type
186 cases
MBC publishes annual disciplinary statistics as part of public-record reporting under each state's Administrative Procedure Act. See the full breakdown by action type and year on the California disciplinary trends page. Cross-checked against FSMB U.S. Medical Regulatory Trends.
Medicare Part D Prescribing Data
CMS Medicare Part D prescriber-level data for calendar year 2024.
817
Total Claims
$134K
Total Drug Cost
264
Medicare Beneficiaries
Prescribing Breakdown
- 30-Day Fills
- 2,124.433
- Total Day Supply
- 61,702
- Generic Drug Cost
- $27K
- Opioid Claims
- 12 (1.5% rate)
- Antibiotic Claims
- 48
Patient Demographics
- Average Patient Age
- 76.7 years
- Avg HCC Risk Score
- 1.34
- Gender Split
- 14% female / 86% male
Top Prescribed Drugs (Medicare Part D)
Top drugs by claim count for calendar year 2024. Based on Medicare Part D data only.
What Paul Gweon, MD prescribes most
Top Medicare Part D drugs by claim count, 2024
- Finasteride
Finasteride
276 claims
- Tamsulosin Hcl
Tamsulosin Hcl
138 claims
- Terazosin Hcl 96
Terazosin Hcl
96 claims
- Myrbetriq 67
Myrbetriq
67 claims
- Trospium Chloride 47
Trospium Chloride
47 claims
- Estradiol 21
Estradiol
21 claims
- Gemtesa 19
Gemtesa
19 claims
- Ciprofloxacin Hcl 18
Ciprofloxacin Hcl
18 claims
| Drug | Claims |
|---|---|
| Finasteride | 276 |
| Tamsulosin Hcl | 138 |
| Terazosin Hcl | 96 |
| Myrbetriq Mirabegron | 67 |
| Trospium Chloride | 47 |
| Estradiol | 21 |
| Gemtesa Vibegron | 19 |
| Ciprofloxacin Hcl | 18 |
| Cephalexin | 16 |
| Mirabegron Er Mirabegron | 16 |
* Counts below 11 are suppressed by CMS for patient privacy. Generic names shown where available from CMS Part D data.
Urology Physician Overview
How Paul Gweon, MD fits within the Urology Physician landscape nationally.
13,606
Urology Physician Providers in US
54
States with Urology Physician
1,354
Avg Claims per Provider
Paul Gweon, MD's 817 claims are below the specialty average of 1,354.
Nationwide Urology Physician peers with similar MIPS or enrollment year
Two federal-record peer sets for Gweon, both outside California so the neighborhoods are not geographic containment.
Similar MIPS final score
Nearest same-specialty clinicians by CMS MIPS final score (97.1 here).
Same NPPES enumeration year (2006)
Same-specialty clinicians who entered the NPI registry in the same calendar year, outside this state.
Nearby Urology Physician Providers in California
Other clinicians with the same primary specialty enrolled in California, drawn from the same CMS NPPES roster as Gweon.
One of 1,421 Urology Physician providers enrolled in California, 5 are shown here.
Dr. David Aaronson
MD
Oakland, CA
Dr. Jason Abber
MD
Panorama City, CA
Dr. Marc Abboud
MD
Los Alamitos, CA
George Abdelsayed
Anaheim, CA
Garen Abedi
Downey, CA
Compare Urology Physician nationally: see state-by-state distribution →
Frequently Asked Questions
What is Paul Gweon, MD's specialty? ▼
Paul Gweon, MD specializes in Urology Physician and practices in Riverside, California. Credentials: MD.
How much does Paul Gweon, MD prescribe under Medicare Part D? ▼
In 2024, Paul Gweon, MD wrote 817 Medicare Part D claims totaling $134K in drug costs for 264 beneficiaries.
What is Paul Gweon, MD's Medicare quality score? ▼
Paul Gweon, MD has a CMS MIPS Final Score of 97.1/100 (Quality: 84.2). The average MIPS Final Score across the 454,083 clinicians with at least one published category score is 83.5; clinicians whose score CMS assigned without scoring any category are excluded from that average. Source: CMS Merit-based Incentive Payment System (MIPS) 2023.
Where is Paul Gweon, MD located? ▼
Paul Gweon, MD is located at 10800 MAGNOLIA AVE, Riverside, CA, 92505. Phone: (909) 353-2000.
What is Paul Gweon, MD's NPI number? ▼
Paul Gweon, MD's National Provider Identifier (NPI) is 1528127198, issued on 12/08/2006.
Does Paul Gweon, MD prescribe opioids? ▼
Yes, Paul Gweon, MD had 12 opioid claims in 2024 with an opioid prescribing rate of 1.5%.
How many Urology Physician providers are there in the US? ▼
There are 13,606 Urology Physician providers across 54 states in the US. The average Urology Physician provider writes 1,354 Medicare Part D claims per year.
What drugs does Paul Gweon, MD prescribe most often? ▼
Based on 2024 Medicare Part D data, Paul Gweon, MD's most frequently prescribed drugs include Finasteride, Tamsulosin Hcl, Terazosin Hcl. This reflects Medicare Part D prescriptions only and does not include commercial insurance or other payer types.
Does Paul Gweon, MD accept Medicare? ▼
Paul Gweon, MD appears in CMS Medicare data with 817 Part D claims and 264 Medicare beneficiaries in 2024. Contact the provider's office directly to confirm current Medicare enrollment and accepted plans.
How can I verify Paul Gweon, MD's credentials? ▼
Paul Gweon, MD's NPI is 1528127198 with credentials MD. 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
View source datasets and methodology notes
- 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 (2024). 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 August 2026 (NPPES) / 2024 (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
Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of August 2026.