2026 NPPES data Obstetrics Physician NPI 1184647950 M.D.
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LU-WEI KING, M.D.

Obstetrics Physician in BARSTOW, 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
55
Medicare Part D claims · 17 beneficiaries · Obstetrics Physician avg: 319
What the federal data reveals: LU-WEI KING, M.D. is a Obstetrics Physician ([object Object]) practicing in BARSTOW, California with a Medicare Part D prescribing footprint of 55 claims across 17 beneficiaries .

What stands out: LU-WEI KING, M.D. filed 55 Medicare Part D claims in 2023 across BARSTOW, California. Every figure on this page comes straight from federal CMS records, with no proprietary rating applied.

Board-eligible specialty (heuristic — not verified)

LU-WEI KING, M.D. 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).

LU-WEI KING, M.D. at a glance

Quality data not reported

NPI registry status

Active

Issued 07/25/2006

NPI 1184647950

Primary specialty

Obstetrics Physician

Niche

1,402 US NPIs in this specialty

Medicare Part D claims

55 83% vs specialty avg

2023 prescription claims

Specialty avg: 319

Specialty distribution in California

How Obstetrics Physician compares to other specialties among California providers

California providers

Obstetrics Physician share within California

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

Specialty board-certification context

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

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

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

0%100%78%
Est. board-certified rate (Obstetrics 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).

LU-WEI KING, M.D. is a Obstetrics Physician provider practicing in BARSTOW, California, according to the CMS National Plan and Provider Enumeration System (NPPES). Credentials: M.D.. NPI: 1184647950. 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.

LU-WEI KING, M.D. appears in the CMS NPPES registry as a Obstetrics Physician provider holding M.D. credentials at 801 E MOUNTAIN VIEW ST STE C, BARSTOW, CA, 92311, with a listed phone of (760) 256-6680. NPI 1184647950 was issued on 07/25/2006. Because NPPES data is self-reported by the provider and refreshed monthly, the address, phone, and specialty reflect what KING 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 55 prescription claims written by this provider, covering 17 Medicare beneficiaries and totaling roughly $2K in drug spend. 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.

Obstetrics Physician is a narrow specialty nationwide, with 1,402 enrolled providers across 54 states and an average of 319 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

801 E MOUNTAIN VIEW ST STE C
BARSTOW, CA 92311

Provider Details

NPI 1184647950
Specialty Obstetrics Physician
Credentials M.D.
Gender Male
NPI Issued 07/25/2006

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 LU-WEI KING, M.D.. To verify LU-WEI KING, 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.

Medicare Part D Prescribing Data

CMS Medicare Part D prescriber-level data for calendar year 2023.

55
Total Claims
$2K
Total Drug Cost
17
Medicare Beneficiaries

Prescribing Breakdown

30-Day Fills
94
Total Day Supply
2,610
Generic Drug Cost
$997

Patient Demographics

Average Patient Age
63.2 years
Avg HCC Risk Score
1.54

Obstetrics Physician Overview

How LU-WEI KING, M.D. fits within the Obstetrics Physician landscape nationally.

1,402
Obstetrics Physician Providers in US
54
States with Obstetrics Physician
319
Avg Claims per Provider

LU-WEI KING, M.D.'s 55 claims are below the specialty average of 319.

Nearby Obstetrics Physician Providers in California

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

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

Frequently Asked Questions

What is LU-WEI KING, M.D.'s specialty?
LU-WEI KING, M.D. specializes in Obstetrics Physician and practices in BARSTOW, California. Credentials: M.D..
How much does LU-WEI KING, M.D. prescribe under Medicare Part D?
In 2023, LU-WEI KING, M.D. wrote 55 Medicare Part D claims totaling $2K in drug costs for 17 beneficiaries.
Where is LU-WEI KING, M.D. located?
LU-WEI KING, M.D. is located at 801 E MOUNTAIN VIEW ST STE C, BARSTOW, CA, 92311. Phone: (760) 256-6680.
What is LU-WEI KING, M.D.'s NPI number?
LU-WEI KING, M.D.'s National Provider Identifier (NPI) is 1184647950, issued on 07/25/2006.
How many Obstetrics Physician providers are there in the US?
There are 1,402 Obstetrics Physician providers across 54 states in the US. The average Obstetrics Physician provider writes 319 Medicare Part D claims per year.
Does LU-WEI KING, M.D. accept Medicare?
LU-WEI KING, M.D. appears in CMS Medicare data with 55 Part D claims and 17 Medicare beneficiaries in 2023. Contact the provider's office directly to confirm current Medicare enrollment and accepted plans.
How can I verify LU-WEI KING, M.D.'s credentials?
LU-WEI KING, M.D.'s NPI is 1184647950 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