NPI registry status
Active
2026 NPPES data Hospice and Palliative Medicine (Emergency Medicine) Physician NPI 1801809348 MD
Verify on CMS → Susan Stone, MD
Hospice and Palliative Medicine (Emergency Medicine) Physician in Torrance, California.
This profile is drawn from the federal National Provider Identifier Registry (CMS NPPES), which lists more than 7 million U.S. healthcare providers - including 167 in Hospice and Palliative Medicine (Emergency Medicine) Physician, and covers specialty classification, practice address, and Medicare Part D prescribing data when reported. According to CMS, every field reflects the provider's official federal registration, see our methodology.
Federal data, no proprietary rating.
We show these CMS records as-is - no composite score, no star rating, no editorial opinion layered on top.
Prescribing volume
28
Medicare Part D claims · 25 beneficiaries · Hospice and Palliative Medicine (Emergency Medicine) Physician avg: 300
What the federal data shows
Susan Stone, MD filed 28 Medicare Part D claims in 2024 as a Hospice and Palliative Medicine (Emergency Medicine) Physician in Torrance, California.
- 28
- Part D claims, 2024
- Likely
- board-certified (heuristic)
- ≥0th
- pct by Part D claim volume (lower-bound band)
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.
Federal trust snapshot
What official records show about Susan Stone, MD
Federal records show an active NPI with Medicare Part D prescribing activity — verifiable registry data, not a proprietary rating.
- Verified
NPI registry status
Active listing in the CMS National Provider Identifier Registry (NPI 1801809348), first enumerated 08/14/2006.
Source: CMS NPPES
- Reported
Medicare Part D participation
Filed 28 Medicare Part D prescription claims in the 2023 CMS public use file — indicates active Medicare prescribing participation.
Source: CMS Part D Prescriber PUF
- Reported
Board certification signal
Heuristic suggests board-certified status based on ABMS-eligible specialty taxonomy plus active CMS participation signals — not a direct ABMS verification.
- Reported
Hospital affiliations
1 CMS Care Compare hospital affiliation on record — practice footprint from the Doctors and Clinicians file.
Source: CMS Care Compare
- State context
State board disciplinary context
California statewide board action statistics are published annually — these figures describe aggregate state activity, not Susan Stone, MD's individual license status. Verify directly with the state medical board.
Source: MBC annual report 2023
- Not in federal data
Individual sanction lookup
PlainDoctor does not publish per-provider disciplinary determinations. Confirm current license and any individual actions through the state medical board or FSMB verification service.
Source: State medical board / FSMB
This trust snapshot summarizes only what appears in federal CMS/NPPES public records. It is not a composite score, star rating, patient review, or clinical recommendation. PlainDoctor never fabricates reviews or AggregateRating schema.
CMS NPPES provider registry desk
NPI 1801809348 · Hospice and Palliative Medicine (Emergency Medicine) Physician
NPI-10 · ENUM-LEGACY · TAX-TRACE · RX-TRACE · BOOK-THIN · PHOTO-ENUM
- NPI-10 1801809348
- ENUM-LEGACY 2006
- TAX-TRACE 167
- RX-TRACE 28
- BOOK-THIN 24 in California
- PHOTO-ENUM Richard Benedon · 2006
Susan Stone, MD's Medicare Part D volume vs every U.S. prescriber
Total Medicare Part D claims, 2024, across all CMS prescribers nationally
28 ≥ 0th percentile 0% of 1,416,883 prescribers are in lower value bands
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.
The percentile is a conservative 100-claim band: it counts only prescribers in lower claim-volume bands. Medicare Part D claim volume is activity context, not a quality measure or recommendation. See methodology § corpus placement.
Source CMS Medicare Part D Prescriber Public Use File · 2024
✓
Board certification likely (heuristic, not verified)
Susan Stone, MD 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).
What does the federal data show about Susan Stone, MD?
Quality data not reportedPrimary specialty
Hospice and Palliative Medicine (Emergency Medicine) Physician
Medicare Part D claims
28 91% vs specialty avg
Specialty distribution in California
How Hospice and Palliative Medicine (Emergency Medicine) Physician compares to other specialties among California providers
Board certification
Not published by CMS
CMS does not publish a per-provider board-certification field in NPPES. PlainDoctor does not have a reliable per-specialty certification rate to show for Hospice and Palliative Medicine (Emergency Medicine) Physician. Verify directly:
How MIPS and board certification work
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).
Practice Address
Provider Details
| NPI | 1801809348 |
|---|---|
| Specialty | Hospice and Palliative Medicine (Emergency Medicine) Physician |
| Credentials | MD |
| Gender | Female |
| NPI Issued | 08/14/2006 |
Hospital and facility affiliations
Facilities where Susan Stone, MD 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.
Cedars-Sinai Medical Care Foundation
Beverly Hills, 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).
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 Susan Stone, MD. To verify Susan Stone, MD'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 2024.
28
Total Claims
$279
Total Drug Cost
25
Medicare Beneficiaries
Prescribing Breakdown
- 30-Day Fills
- 31.667
- Total Day Supply
- 501
- Generic Drug Cost
- $207
Patient Demographics
- Average Patient Age
- 75.3 years
- Avg HCC Risk Score
- 1.15
- Gender Split
- 56% female / 44% male
More Hospice and Palliative Medicine (Emergency Medicine) Physician in CA →
All providers in California →
Compare specialties →
Hospice and Palliative Medicine (Emergency Medicine) Physician Overview
How Susan Stone, MD fits within the Hospice and Palliative Medicine (Emergency Medicine) Physician landscape nationally.
167
Hospice and Palliative Medicine (Emergency Medicine) Physician Providers in US
39
States with Hospice and Palliative Medicine (Emergency Medicine) Physician
300
Avg Claims per Provider
Susan Stone, MD's 28 claims are below the specialty average of 300.
Nationwide Hospice and Palliative Medicine (Emergency Medicine) Physician peers with similar MIPS or enrollment year
Two federal-record peer sets for Stone, both outside California so the neighborhoods are not geographic containment.
Same NPPES enumeration year (2006)
Same-specialty clinicians who entered the NPI registry in the same calendar year, outside this state.
Nearby Hospice and Palliative Medicine (Emergency Medicine) Physician Providers in California
Other clinicians with the same primary specialty enrolled in California, drawn from the same CMS NPPES roster as Stone.
One of 24 Hospice and Palliative Medicine (Emergency Medicine) Physician providers enrolled in California, 5 are shown here.
Frequently Asked Questions
What is Susan Stone, MD's specialty? ▼
Susan Stone, MD specializes in Hospice and Palliative Medicine (Emergency Medicine) Physician and practices in Torrance, California. Credentials: MD.
How much does Susan Stone, MD prescribe under Medicare Part D? ▼
In 2024, Susan Stone, MD wrote 28 Medicare Part D claims totaling $279 in drug costs for 25 beneficiaries.
Where is Susan Stone, MD located? ▼
Susan Stone, MD is located at 4101 TORRANCE BLVD, Torrance, CA, 90503. Phone: (310) 303-6840.
What is Susan Stone, MD's NPI number? ▼
Susan Stone, MD's National Provider Identifier (NPI) is 1801809348, issued on 08/14/2006.
How many Hospice and Palliative Medicine (Emergency Medicine) Physician providers are there in the US? ▼
There are 167 Hospice and Palliative Medicine (Emergency Medicine) Physician providers across 39 states in the US. The average Hospice and Palliative Medicine (Emergency Medicine) Physician provider writes 300 Medicare Part D claims per year.
Does Susan Stone, MD accept Medicare? ▼
Susan Stone, MD appears in CMS Medicare data with 28 Part D claims and 25 Medicare beneficiaries in 2024. Contact the provider's office directly to confirm current Medicare enrollment and accepted plans.
How can I verify Susan Stone, MD's credentials? ▼
Susan Stone, MD's NPI is 1801809348 with credentials MD. 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
View source datasets and methodology notes
- 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 (2024). 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 August 2026 (NPPES) / 2024 (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
Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of August 2026.