2026 NPPES data Dermatology Physician NPI 1457656738 M.D.
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JENNIFER CHIANG, M.D.

Dermatology Physician in EL CAJON, 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
2K
Medicare Part D claims · 376 beneficiaries · Dermatology Physician avg: 729
Generic prescribing
85%
generic claims · 15% brand-name · higher generic rates reduce patient out-of-pocket costs
Industry payments
$521.51
6 payments · CMS Open Payments (Sunshine Act)
What the federal data reveals: JENNIFER CHIANG, M.D. is a Dermatology Physician ([object Object]) practicing in EL CAJON, California with a Medicare Part D prescribing footprint of 2K claims across 376 beneficiaries — 15% brand-name prescribing . Industry payments of $521.51 across 6 transactions are disclosed under CMS Open Payments (Sunshine Act).

What stands out: JENNIFER CHIANG, M.D. filed 2,290 Medicare Part D claims in 2023 across EL CAJON, California. Every figure on this page comes straight from federal CMS records, with no proprietary rating applied.

Board certification likely (heuristic — not verified)

JENNIFER CHIANG, M.D. practices in an ABMS-board-eligible specialty and shows active CMS Medicare participation + 1 hospital affiliation — signals consistent with board-certified status. For verified board certification, see CertificationMatters.org (the official ABMS public lookup).

JENNIFER CHIANG, M.D. at a glance

Quality data not reported

NPI registry status

Active

Issued 01/18/2011

NPI 1457656738

Primary specialty

Dermatology Physician

Mid-sized

14,610 US NPIs in this specialty

Medicare Part D claims

2,290 214% vs specialty avg

2023 prescription claims

Specialty avg: 729

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

Specialty board-certification context

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

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

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

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

JENNIFER CHIANG, M.D. is a Dermatology Physician provider practicing in EL CAJON, California, according to the CMS National Plan and Provider Enumeration System (NPPES). Credentials: M.D.. NPI: 1457656738. 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.

JENNIFER CHIANG, M.D. appears in the CMS NPPES registry as a Dermatology Physician provider holding M.D. credentials at 292 AVOCADO AVE, EL CAJON, CA, 92020, with a listed phone of (619) 579-5115. NPI 1457656738 was issued on 01/18/2011. Because NPPES data is self-reported by the provider and refreshed monthly, the address, phone, and specialty reflect what CHIANG 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 2,290 prescription claims written by this provider, covering 376 Medicare beneficiaries and totaling roughly $1.0 million in drug spend, split 15% brand-name and 85% 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.

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

292 AVOCADO AVE
EL CAJON, CA 92020

Provider Details

NPI 1457656738
Specialty Dermatology Physician
Credentials M.D.
Gender Female
NPI Issued 01/18/2011

Hospital and facility affiliations

Facilities where JENNIFER CHIANG, 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.

WILLIAM F RESH MD SKIN AND SKIN CANCER MEDICAL GROUP OF SAN DIEGO INC
NATIONAL CITY, 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 JENNIFER CHIANG, M.D.. Source: openpaymentsdata.cms.gov.

Total received

$522

Largest payer

Janssen Biotech, Inc.

Most common payment type

Education

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 JENNIFER CHIANG, M.D.. To verify JENNIFER CHIANG, 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 · Typical

JENNIFER CHIANG, M.D. — brand share 15.0%
Specialty average (est.)

15% brand-name claims vs 85% generic, on 2,290 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.

2,290
Total Claims
$1.0M
Total Drug Cost
376
Medicare Beneficiaries

Prescribing Breakdown

30-Day Fills
2,567
Total Day Supply
71,566
Brand vs Generic
15% brand / 85% generic
Brand Drug Cost
$904K
Generic Drug Cost
$115K
Antibiotic Claims
82

Patient Demographics

Average Patient Age
68.7 years
Avg HCC Risk Score
1.45
Gender Split
60% female / 40% male
Age Distribution
<65: 76, 65-74: 203, 75-84: 78, 85+: 19

Top Prescribed Drugs (Medicare Part D)

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

Drug Claims
Ketoconazole
287
Triamcinolone Acetonide
178
Betamethasone Dipropionate
174
Clobetasol Propionate
128
Clindamycin Phosphate
106
Hydrocortisone
106
Fluocinonide
101
Ammonium Lactate
76
Tacrolimus
73
Tretinoin
67

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

Dermatology Physician Overview

How JENNIFER CHIANG, 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

JENNIFER CHIANG, M.D.'s 2,290 claims are above 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 CHIANG.

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

Frequently Asked Questions

What is JENNIFER CHIANG, M.D.'s specialty?
JENNIFER CHIANG, M.D. specializes in Dermatology Physician and practices in EL CAJON, California. Credentials: M.D..
How much does JENNIFER CHIANG, M.D. prescribe under Medicare Part D?
In 2023, JENNIFER CHIANG, M.D. wrote 2,290 Medicare Part D claims totaling $1.0M in drug costs for 376 beneficiaries.
Where is JENNIFER CHIANG, M.D. located?
JENNIFER CHIANG, M.D. is located at 292 AVOCADO AVE, EL CAJON, CA, 92020. Phone: (619) 579-5115.
What is JENNIFER CHIANG, M.D.'s NPI number?
JENNIFER CHIANG, M.D.'s National Provider Identifier (NPI) is 1457656738, issued on 01/18/2011.
Does JENNIFER CHIANG, M.D. prescribe more brand-name or generic drugs?
JENNIFER CHIANG, M.D.'s prescribing is 15% brand-name and 85% generic drugs by claim count, with $904K 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 JENNIFER CHIANG, M.D. prescribe most often?
Based on 2023 Medicare Part D data, JENNIFER CHIANG, M.D.'s most frequently prescribed drugs include Ketoconazole, Triamcinolone Acetonide, Betamethasone Dipropionate. This reflects Medicare Part D prescriptions only and does not include commercial insurance or other payer types.
Does JENNIFER CHIANG, M.D. accept Medicare?
JENNIFER CHIANG, M.D. appears in CMS Medicare data with 2,290 Part D claims and 376 Medicare beneficiaries in 2023. Contact the provider's office directly to confirm current Medicare enrollment and accepted plans.
How can I verify JENNIFER CHIANG, M.D.'s credentials?
JENNIFER CHIANG, M.D.'s NPI is 1457656738 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.
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