VAN CHENG, MD
Vascular Surgery Physician in ENCINITAS, California. CMS National Plan and Provider Enumeration System profile including specialty classification, practice address, and Medicare prescribing data when reported.
What the federal data shows
VAN CHENG, MD filed 1,462 Medicare Part D claims in 2023 as a Vascular Surgery Physician in ENCINITAS, California, prescribing 92% generic.
- 1K
- Part D claims, 2023
- 92%
- 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.
VAN CHENG, MD's Medicare Part D volume vs every U.S. prescriber
Total Medicare Part D claims, 2023 — across all CMS prescribers nationally
1,462 Top 20% higher than 80% of 1,370,886 prescribers
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
VAN CHENG, MD practices in an ABMS-board-eligible specialty but we don't have enough CMS-participation signals to confirm active board-certified status. Consult CertificationMatters.org (the official ABMS public lookup).
What does the federal data show about VAN CHENG, MD?
Quality data not reportedPrimary specialty
Medicare Part D claims
Specialty distribution in California
How Vascular Surgery Physician compares to other specialties among California providers
Vascular Surgery Physician share within California
Vascular Surgery Physician is one of the more visible NUCC categories in California
Each bar reflects the share of in-state providers whose primary NUCC taxonomy matches the specialty. Long tail of ~690 NUCC codes folded into "Other" to keep the comparison legible.
Specialty board-certification context
Estimated specialty board-certified rate — Vascular Surgery Physician (ABMS / AOA reference)
- Est. board-certified rate
- 78%
- Vascular Surgery Physician ABMS/AOA estimate
Est. board-certified rate (Vascular Surgery Physician) — ABMS / AOA estimate
Verify credentials
- Verify via ABMS free public lookup
- Verify via AOA osteopathic boards
- Specialty volume Vascular Surgery Physician US NPIs
Specialty board-certified rate — Vascular Surgery Physician estimate
Board certification through an ABMS or AOA member board signals voluntary post-licensure examination plus Maintenance of Certification cycles. CMS does not publish a per-provider board-certification field; the figure shown is the specialty-level estimated rate from ABMS / AOA reference data.
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).
VAN CHENG, MD appears in the CMS NPPES registry as a Vascular Surgery Physician provider holding MD credentials at 336 ENCINITAS BLVD, ENCINITAS, CA, 92024, with a listed phone of (858) 279-1212. NPI 1548391667 was issued on 03/08/2007. Because NPPES data is self-reported by the provider and refreshed monthly, the address, phone, and specialty reflect what CHENG 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 1,462 prescription claims written by this provider, covering 57 Medicare beneficiaries and totaling roughly $78K in drug spend, split 8% brand-name and 92% generic by claim count, with an opioid prescribing rate of 2.2%. 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.
Vascular Surgery Physician is a narrow specialty nationwide, with 4,215 enrolled providers across 53 states and an average of 205 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
Provider Details
| NPI | 1548391667 |
|---|---|
| Specialty | Vascular Surgery Physician |
| Credentials | MD |
| Gender | Female |
| NPI Issued | 03/08/2007 |
Verify this provider's license
PlainDoctor pulls this profile from the CMS NPPES public registry. Confirm VAN CHENG, MD's current license status, disciplinary history, and board certifications with the Medical Board of California in California before relying on this page for a clinical or care decision.
How we sourced this profile
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 VAN CHENG, MD. To verify VAN CHENG, MD's current license status, search the MBC public license lookup directly, or check the Federation of State Medical Boards (FSMB) verification service.
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
8% brand-name claims vs 92% generic, on 1,462 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.
Prescribing Breakdown
- 30-Day Fills
- 1,688
- Total Day Supply
- 47,447
- Brand vs Generic
- 8% brand / 92% generic
- Brand Drug Cost
- $33K
- Generic Drug Cost
- $44K
- Opioid Claims
- 32 (2.2% rate)
- Antibiotic Claims
- 14
Patient Demographics
- Average Patient Age
- 77.9 years
- Avg HCC Risk Score
- 1.83
- Gender Split
- 58% female / 42% male
Top Prescribed Drugs (Medicare Part D)
Top drugs by claim count for calendar year 2023. Based on Medicare Part D data only.
What VAN CHENG, MD prescribes most
Top Medicare Part D drugs by claim count, 2023
- Gabapentin
Gabapentin
71 claims
- Simvastatin
Simvastatin
69 claims
- Pantoprazole Sodium
Pantoprazole Sodium
55 claims
- Lisinopril
Lisinopril
54 claims
- Levothyroxine Sodium
Levothyroxine Sodium
50 claims
- Quetiapine Fumarate
Quetiapine Fumarate
50 claims
- Amlodipine Besylate
Amlodipine Besylate
47 claims
- Levetiracetam
Levetiracetam
47 claims
| Drug | Claims |
|---|---|
| Gabapentin | 71 |
| Simvastatin | 69 |
| Pantoprazole Sodium | 55 |
| Lisinopril | 54 |
| Levothyroxine Sodium | 50 |
| Quetiapine Fumarate | 50 |
| Amlodipine Besylate | 47 |
| Levetiracetam | 47 |
| Potassium Chloride | 46 |
| Atorvastatin Calcium | 45 |
* Counts below 11 are suppressed by CMS for patient privacy. Generic names shown where available from CMS Part D data.
Vascular Surgery Physician Overview
How VAN CHENG, MD fits within the Vascular Surgery Physician landscape nationally.
VAN CHENG, MD's 1,462 claims are above the specialty average of 205.
Nearby Vascular Surgery Physician Providers in California
Other clinicians with the same primary specialty enrolled in California, drawn from the same CMS NPPES roster as CHENG.
Compare Vascular Surgery Physician nationally: see state-by-state distribution →
Healthcare Guides
Learn more about finding, verifying, and understanding healthcare providers.
Explore California
Frequently Asked Questions
What is VAN CHENG, MD's specialty? ▼
How much does VAN CHENG, MD prescribe under Medicare Part D? ▼
Where is VAN CHENG, MD located? ▼
What is VAN CHENG, MD's NPI number? ▼
Does VAN CHENG, MD prescribe more brand-name or generic drugs? ▼
Does VAN CHENG, MD prescribe opioids? ▼
How many Vascular Surgery Physician providers are there in the US? ▼
What drugs does VAN CHENG, MD prescribe most often? ▼
Does VAN CHENG, MD accept Medicare? ▼
How can I verify VAN CHENG, MD's credentials? ▼
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