2026 NPPES data Dermatology Physician NPI 1619962552 M.D.
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KHANH TRUONG, M.D.

Dermatology Physician in SANTA ROSA, California. 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
227
Medicare Part D claims · 116 beneficiaries · Dermatology Physician avg: 729
Generic prescribing
93%
generic claims · 7% brand-name · higher generic rates reduce patient out-of-pocket costs
MIPS score
84.4146/100
▲ 1 pts above national avg 83.1 · [object Object]
Industry payments
$2.3K
95 payments · CMS Open Payments (Sunshine Act)

What the federal data shows

KHANH TRUONG, M.D. reported a CMS MIPS final score of 84.4146/100 — above the 83.1 national average — and filed 227 Medicare Part D claims in 2023.

84.4146/100
MIPS score · +1 vs avg
227
Part D claims, 2023
93%
generic prescribing
Likely
board-certified (heuristic)

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.

KHANH TRUONG, M.D.'s MIPS score vs every scored U.S. clinician

CMS Merit-based Incentive Payment System (MIPS) final score, 2023 — the federal quality measure

84 45th percentile higher than 45% of 477,587 scored providers

0–10: 8,684 scored providers (2%). Below this entry. 10–20: 3,008 scored providers (1%). Below this entry. 20–30: 3,069 scored providers (1%). Below this entry. 30–40: 2,746 scored providers (1%). Below this entry. 40–50: 2,928 scored providers (1%). Below this entry. 50–60: 5,882 scored providers (1%). Below this entry. 60–70: 13,906 scored providers (3%). Below this entry. 70–80: 118,074 scored providers (25%). Below this entry. 80–90: 129,887 scored providers (27%). This entry sits in this band. 90–100: 189,403 scored providers (40%). Above this entry. This provider 0 100 every MIPS-scored clinician, bucketed by value

Each bar is a band; taller bars hold more scored 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.

Source CMS Merit-based Incentive Payment System (MIPS) · 2023

Board certification likely (heuristic — not verified)

KHANH TRUONG, M.D. practices in an ABMS-board-eligible specialty and shows active CMS Medicare participation + MIPS quality reporting + 1 hospital affiliation — 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 KHANH TRUONG, M.D.?

Near national average

NPI registry status

Active

Issued 09/16/2005

NPI 1619962552

Primary specialty

Dermatology Physician

Mid-sized

14,610 US NPIs in this specialty

Medicare Part D claims

227 69% vs specialty avg

2023 prescription claims

Specialty avg: 729

MIPS final score

84.4146/100 1.3145999999999987% pts

Above neutral band

vs 83.1 national avg

Specialty distribution in California

How Dermatology Physician compares to other specialties among California providers

California providers

Dermatology Physician share within California

1. Dermatology Physician42%2. Internal medicine21%3. Family medicine17%4. Surgical12%5. Pediatric8%
Dermatology Physician share within California

Medicare quality performance — MIPS

KHANH TRUONG, M.D.'s 2023 MIPS final score plotted against the Dermatology Physician national average

Near national average
MIPS Final Score
84.4146/100
vs 83.1 national avg · 2023 performance year

MIPS final score (Dermatology Physician) — 84.4146/100 vs national avg 83.1

0%100%National avg83%84.4%
MIPS final score (Dermatology Physician) — 84.4146/100 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).

KHANH TRUONG, M.D. appears in the CMS NPPES registry as a Dermatology Physician provider holding M.D. credentials at 196 WIKIUP DR, SANTA ROSA, CA, 95403, with a listed phone of (075) 279-5177. NPI 1619962552 was issued on 09/16/2005. Because NPPES data is self-reported by the provider and refreshed monthly, the address, phone, and specialty reflect what TRUONG 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 227 prescription claims written by this provider, covering 116 Medicare beneficiaries and totaling roughly $170K in drug spend, split 7% brand-name and 93% generic by claim count. 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 84.4146/100 for the 2023 performance year (Quality 82.0265), compared with the national average of 83.1.

Dermatology Physician is a mid-sized specialty nationwide, with 14,610 enrolled providers across 53 states and an average of 729 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

196 WIKIUP DR
SANTA ROSA, CA 95403

Provider Details

NPI 1619962552
Specialty Dermatology Physician
Credentials M.D.
Gender Female
NPI Issued 09/16/2005

CMS Quality Score (MIPS)

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

84.4146
Final Score
Avg: 83.1
82.0265
Quality
81
Promoting Interoperability

Reporting: Group practice

Hospital and facility affiliations

Facilities where KHANH TRUONG, M.D. 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.

NORCAL SKIN DISEASE AND SURGERY INC
SANTA ROSA, CA

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 KHANH TRUONG, M.D.. Source: openpaymentsdata.cms.gov.

Total received

$2.3K

Largest payer

Regeneron Healthcare Solutions, Inc.

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.

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 KHANH TRUONG, M.D.. To verify KHANH TRUONG, M.D.'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.

Brand vs generic prescribing mix · Generic-heavy

KHANH TRUONG, M.D. — brand share 7.0%
Specialty average (est.)

7% brand-name claims vs 93% generic, on 227 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.

227
Total Claims
$170K
Total Drug Cost
116
Medicare Beneficiaries

Prescribing Breakdown

30-Day Fills
277
Total Day Supply
7,138
Brand vs Generic
7% brand / 93% generic
Brand Drug Cost
$161K
Generic Drug Cost
$8K
Antibiotic Claims
56

Patient Demographics

Average Patient Age
76.3 years
Avg HCC Risk Score
1.09
Gender Split
66% female / 34% male

Top Prescribed Drugs (Medicare Part D)

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

What KHANH TRUONG, M.D. 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
Mometasone Furoate
42
Cephalexin
28
Doxycycline Monohydrate
27
Triamcinolone Acetonide
17
Hydrocortisone
11
Mupirocin
11

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

Dermatology Physician Overview

How KHANH TRUONG, M.D. fits within the Dermatology Physician landscape nationally.

14,610
Dermatology Physician Providers in US
53
States with Dermatology Physician
729
Avg Claims per Provider

KHANH TRUONG, M.D.'s 227 claims are below the specialty average of 729.

Nearby Dermatology Physician Providers in California

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

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

Frequently Asked Questions

What is KHANH TRUONG, M.D.'s specialty?
KHANH TRUONG, M.D. specializes in Dermatology Physician and practices in SANTA ROSA, California. Credentials: M.D..
How much does KHANH TRUONG, M.D. prescribe under Medicare Part D?
In 2023, KHANH TRUONG, M.D. wrote 227 Medicare Part D claims totaling $170K in drug costs for 116 beneficiaries.
What is KHANH TRUONG, M.D.'s Medicare quality score?
KHANH TRUONG, M.D. has a CMS MIPS Final Score of 84.4146/100 (Quality: 82.0265). The national average MIPS Final Score is 83.1. Source: CMS Merit-based Incentive Payment System (MIPS) 2023.
Where is KHANH TRUONG, M.D. located?
KHANH TRUONG, M.D. is located at 196 WIKIUP DR, SANTA ROSA, CA, 95403. Phone: (075) 279-5177.
What is KHANH TRUONG, M.D.'s NPI number?
KHANH TRUONG, M.D.'s National Provider Identifier (NPI) is 1619962552, issued on 09/16/2005.
Does KHANH TRUONG, M.D. prescribe more brand-name or generic drugs?
KHANH TRUONG, M.D.'s prescribing is 7% brand-name and 93% generic drugs by claim count, with $161K in brand drug costs.
How many Dermatology Physician providers are there in the US?
There are 14,610 Dermatology Physician providers across 53 states in the US. The average Dermatology Physician provider writes 729 Medicare Part D claims per year.
What drugs does KHANH TRUONG, M.D. prescribe most often?
Based on 2023 Medicare Part D data, KHANH TRUONG, M.D.'s most frequently prescribed drugs include Mometasone Furoate, Cephalexin, Doxycycline Monohydrate. This reflects Medicare Part D prescriptions only and does not include commercial insurance or other payer types.
Does KHANH TRUONG, M.D. accept Medicare?
KHANH TRUONG, M.D. appears in CMS Medicare data with 227 Part D claims and 116 Medicare beneficiaries in 2023. Contact the provider's office directly to confirm current Medicare enrollment and accepted plans.
How can I verify KHANH TRUONG, M.D.'s credentials?
KHANH TRUONG, M.D.'s NPI is 1619962552 with credentials M.D.. 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