2026 NPPES data Hepatology Physician NPI 1336228253 M.D.
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SHANG WU, M.D.

Hepatology Physician in HACIENDA HEIGHTS, 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
7K
Medicare Part D claims · 1K beneficiaries · Hepatology Physician avg: 803
Generic prescribing
89%
generic claims · 11% brand-name · higher generic rates reduce patient out-of-pocket costs
MIPS score
30/100
▼ 53 pts below national avg 83.1 · [object Object]
Industry payments
$33.8K
108 payments · CMS Open Payments (Sunshine Act)

What the federal data shows

SHANG WU, M.D. reported a CMS MIPS final score of 30/100 — below the 83.1 national average — and filed 6,872 Medicare Part D claims in 2023.

30/100
MIPS score · -53 vs avg
7K
Part D claims, 2023
89%
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.

SHANG WU, 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

30 3rd percentile higher than 3% 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%). This entry sits in this band. 40–50: 2,928 scored providers (1%). Above this entry. 50–60: 5,882 scored providers (1%). Above this entry. 60–70: 13,906 scored providers (3%). Above this entry. 70–80: 118,074 scored providers (25%). Above this entry. 80–90: 129,887 scored providers (27%). Above this entry. 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)

SHANG WU, M.D. 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 SHANG WU, M.D.?

Below national average

NPI registry status

Active

Issued 11/02/2006

NPI 1336228253

Primary specialty

Hepatology Physician

Rare

281 US NPIs in this specialty

Medicare Part D claims

6,872 756% vs specialty avg

2023 prescription claims

Specialty avg: 803

MIPS final score

30/100 53.099999999999994% pts

Below average band

vs 83.1 national avg

Specialty distribution in California

How Hepatology Physician compares to other specialties among California providers

California providers

Hepatology Physician share within California

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

Medicare quality performance — MIPS

SHANG WU, M.D.'s 2023 MIPS final score plotted against the Hepatology Physician national average

Below national average
MIPS Final Score
30/100
vs 83.1 national avg · 2023 performance year

MIPS final score (Hepatology Physician) — 30/100 vs national avg 83.1

0%100%National avg83%30%
MIPS final score (Hepatology Physician) — 30/100 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).

SHANG WU, M.D. appears in the CMS NPPES registry as a Hepatology Physician provider holding M.D. credentials at 3141 S HACIENDA BLVD, HACIENDA HEIGHTS, CA, 91745, with a listed phone of (626) 937-6663. NPI 1336228253 was issued on 11/02/2006. Because NPPES data is self-reported by the provider and refreshed monthly, the address, phone, and specialty reflect what WU 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 6,872 prescription claims written by this provider, covering 1,006 Medicare beneficiaries and totaling roughly $1.3 million in drug spend, split 11% brand-name and 89% 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 30/100 for the 2023 performance year (Quality 0, Cost 100), compared with the national average of 83.1.

Hepatology Physician is a narrow specialty nationwide, with 281 enrolled providers across 36 states and an average of 803 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

3141 S HACIENDA BLVD
HACIENDA HEIGHTS, CA 91745

Provider Details

NPI 1336228253
Specialty Hepatology Physician
Credentials M.D.
Gender Male
NPI Issued 11/02/2006

CMS Quality Score (MIPS)

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

30
Final Score
Avg: 83.1
0
Quality
100
Cost

Reporting: Individual

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 SHANG WU, M.D.. Source: openpaymentsdata.cms.gov.

Total received

$33.8K

Largest payer

Gilead Sciences, 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 SHANG WU, M.D.. To verify SHANG WU, 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

SHANG WU, M.D. — brand share 11.0%
Specialty average (est.)

11% brand-name claims vs 89% generic, on 6,872 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.

6,872
Total Claims
$1.3M
Total Drug Cost
1,006
Medicare Beneficiaries

Prescribing Breakdown

30-Day Fills
15,345
Total Day Supply
436,292
Brand vs Generic
11% brand / 89% generic
Brand Drug Cost
$1.0M
Generic Drug Cost
$321K
Antibiotic Claims
53

Patient Demographics

Average Patient Age
73.2 years
Avg HCC Risk Score
1.03
Gender Split
54% female / 46% male
Age Distribution
<65: 11, 65-74: 623, 75-84: 302, 85+: 70

Top Prescribed Drugs (Medicare Part D)

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

What SHANG WU, 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
Famotidine
1,580
Omeprazole
964
Dexlansoprazole Dr
Dexlansoprazole
483
Atorvastatin Calcium
411
Pantoprazole Sodium
398
Metoclopramide Hcl
395
Vemlidy
Tenofovir Alafenamide
266
Losartan Potassium
211
Metformin Hcl
189
Amlodipine Besylate
125

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

Hepatology Physician Overview

How SHANG WU, M.D. fits within the Hepatology Physician landscape nationally.

281
Hepatology Physician Providers in US
36
States with Hepatology Physician
803
Avg Claims per Provider

SHANG WU, M.D.'s 6,872 claims are above the specialty average of 803.

Nearby Hepatology Physician Providers in California

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

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

Frequently Asked Questions

What is SHANG WU, M.D.'s specialty?
SHANG WU, M.D. specializes in Hepatology Physician and practices in HACIENDA HEIGHTS, California. Credentials: M.D..
How much does SHANG WU, M.D. prescribe under Medicare Part D?
In 2023, SHANG WU, M.D. wrote 6,872 Medicare Part D claims totaling $1.3M in drug costs for 1,006 beneficiaries.
What is SHANG WU, M.D.'s Medicare quality score?
SHANG WU, M.D. has a CMS MIPS Final Score of 30/100 (Quality: 0, Cost: 100). The national average MIPS Final Score is 83.1. Source: CMS Merit-based Incentive Payment System (MIPS) 2023.
Where is SHANG WU, M.D. located?
SHANG WU, M.D. is located at 3141 S HACIENDA BLVD, HACIENDA HEIGHTS, CA, 91745. Phone: (626) 937-6663.
What is SHANG WU, M.D.'s NPI number?
SHANG WU, M.D.'s National Provider Identifier (NPI) is 1336228253, issued on 11/02/2006.
Does SHANG WU, M.D. prescribe more brand-name or generic drugs?
SHANG WU, M.D.'s prescribing is 11% brand-name and 89% generic drugs by claim count, with $1.0M in brand drug costs.
How many Hepatology Physician providers are there in the US?
There are 281 Hepatology Physician providers across 36 states in the US. The average Hepatology Physician provider writes 803 Medicare Part D claims per year.
What drugs does SHANG WU, M.D. prescribe most often?
Based on 2023 Medicare Part D data, SHANG WU, M.D.'s most frequently prescribed drugs include Famotidine, Omeprazole, Dexlansoprazole Dr. This reflects Medicare Part D prescriptions only and does not include commercial insurance or other payer types.
Does SHANG WU, M.D. accept Medicare?
SHANG WU, M.D. appears in CMS Medicare data with 6,872 Part D claims and 1,006 Medicare beneficiaries in 2023. Contact the provider's office directly to confirm current Medicare enrollment and accepted plans.
How can I verify SHANG WU, M.D.'s credentials?
SHANG WU, M.D.'s NPI is 1336228253 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