2026 NPPES data Surgical Physician Assistant NPI 1124056767 PA-C
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WILLIAM CANALETTI, PA-C

Surgical Physician Assistant in FOUNTAIN VALLEY, 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
319
Medicare Part D claims · 121 beneficiaries · Surgical Physician Assistant avg: 316

What the federal data shows

WILLIAM CANALETTI, PA-C filed 319 Medicare Part D claims in 2023 as a Surgical Physician Assistant in FOUNTAIN VALLEY, California.

319
Part D claims, 2023

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.

WILLIAM CANALETTI, PA-C's Medicare Part D volume vs every U.S. prescriber

Total Medicare Part D claims, 2023 — across all CMS prescribers nationally

319 Top 43% higher than 57% of 1,370,886 prescribers

0–200: 670,926 prescribers (49%). Below this entry. 200–400: 182,923 prescribers (13%). This entry sits in this band. 400–600: 90,619 prescribers (7%). Above this entry. 600–800: 56,224 prescribers (4%). Above this entry. 800–1,000: 40,919 prescribers (3%). Above this entry. 1,000–1,200: 31,827 prescribers (2%). Above this entry. 1,200–1,400: 26,224 prescribers (2%). Above this entry. 1,400–1,600: 21,710 prescribers (2%). Above this entry. 1,600–1,800: 19,072 prescribers (1%). Above this entry. 1,800–2,000: 16,451 prescribers (1%). Above this entry. 2,000–2,200: 213,991 prescribers (16%). Above this entry. This provider 0 2K+ every Part D prescriber (claims/yr), bucketed by value

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

What does the federal data show about WILLIAM CANALETTI, PA-C?

Quality data not reported

NPI registry status

Active

Issued 06/30/2006

NPI 1124056767

Primary specialty

Surgical Physician Assistant

Mid-sized

16,119 US NPIs in this specialty

Medicare Part D claims

319 1% vs specialty avg

2023 prescription claims

Specialty avg: 316

Specialty distribution in California

How Surgical Physician Assistant compares to other specialties among California providers

California providers

Surgical Physician Assistant share within California

1. Surgical Physician Assistant42%2. Internal medicine21%3. Family medicine17%4. Surgical12%5. Pediatric8%
Surgical Physician Assistant share within California

Specialty board-certification context

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

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

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

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

WILLIAM CANALETTI, PA-C appears in the CMS NPPES registry as a Surgical Physician Assistant provider holding PA-C credentials at 8700 WARNER AVE STE 140, FOUNTAIN VALLEY, CA, 92708, with a listed phone of (714) 850-7300. NPI 1124056767 was issued on 06/30/2006. Because NPPES data is self-reported by the provider and refreshed monthly, the address, phone, and specialty reflect what CANALETTI 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 319 prescription claims written by this provider, covering 121 Medicare beneficiaries and totaling roughly $4K in drug spend, with an opioid prescribing rate of 22.6%. 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.

Surgical Physician Assistant is a mid-sized specialty nationwide, with 16,119 enrolled providers across 54 states and an average of 316 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

8700 WARNER AVE STE 140
FOUNTAIN VALLEY, CA 92708

Provider Details

NPI 1124056767
Specialty Surgical Physician Assistant
Credentials PA-C
Gender Male
NPI Issued 06/30/2006

Hospital and facility affiliations

Facilities where WILLIAM CANALETTI, PA-C 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.

ORTHOWEST
IRVINE, 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 WILLIAM CANALETTI, PA-C. To verify WILLIAM CANALETTI, PA-C'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.

319
Total Claims
$4K
Total Drug Cost
121
Medicare Beneficiaries

Prescribing Breakdown

30-Day Fills
326
Total Day Supply
6,523
Generic Drug Cost
$3K
Opioid Claims
72 (22.6% rate)

Patient Demographics

Average Patient Age
71.6 years
Avg HCC Risk Score
1.29
Gender Split
62% female / 38% male

Top Prescribed Drugs (Medicare Part D)

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

What WILLIAM CANALETTI, PA-C 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
Naproxen
90
Ibuprofen
49
Diclofenac Sodium
44
Ondansetron Odt
Ondansetron
40
Oxycodone Hcl
38
Hydrocodone-Acetaminophen
Hydrocodone/Acetaminophen
16
Tramadol Hcl
13

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

Surgical Physician Assistant Overview

How WILLIAM CANALETTI, PA-C fits within the Surgical Physician Assistant landscape nationally.

16,119
Surgical Physician Assistant Providers in US
54
States with Surgical Physician Assistant
316
Avg Claims per Provider

WILLIAM CANALETTI, PA-C's 319 claims are above the specialty average of 316.

Nearby Surgical Physician Assistant Providers in California

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

Compare Surgical Physician Assistant nationally: see state-by-state distribution →

Frequently Asked Questions

What is WILLIAM CANALETTI, PA-C's specialty?
WILLIAM CANALETTI, PA-C specializes in Surgical Physician Assistant and practices in FOUNTAIN VALLEY, California. Credentials: PA-C.
How much does WILLIAM CANALETTI, PA-C prescribe under Medicare Part D?
In 2023, WILLIAM CANALETTI, PA-C wrote 319 Medicare Part D claims totaling $4K in drug costs for 121 beneficiaries.
Where is WILLIAM CANALETTI, PA-C located?
WILLIAM CANALETTI, PA-C is located at 8700 WARNER AVE STE 140, FOUNTAIN VALLEY, CA, 92708. Phone: (714) 850-7300.
What is WILLIAM CANALETTI, PA-C's NPI number?
WILLIAM CANALETTI, PA-C's National Provider Identifier (NPI) is 1124056767, issued on 06/30/2006.
Does WILLIAM CANALETTI, PA-C prescribe opioids?
Yes, WILLIAM CANALETTI, PA-C had 72 opioid claims in 2023 with an opioid prescribing rate of 22.6%.
How many Surgical Physician Assistant providers are there in the US?
There are 16,119 Surgical Physician Assistant providers across 54 states in the US. The average Surgical Physician Assistant provider writes 316 Medicare Part D claims per year.
What drugs does WILLIAM CANALETTI, PA-C prescribe most often?
Based on 2023 Medicare Part D data, WILLIAM CANALETTI, PA-C's most frequently prescribed drugs include Naproxen, Ibuprofen, Diclofenac Sodium. This reflects Medicare Part D prescriptions only and does not include commercial insurance or other payer types.
Does WILLIAM CANALETTI, PA-C accept Medicare?
WILLIAM CANALETTI, PA-C appears in CMS Medicare data with 319 Part D claims and 121 Medicare beneficiaries in 2023. Contact the provider's office directly to confirm current Medicare enrollment and accepted plans.
How can I verify WILLIAM CANALETTI, PA-C's credentials?
WILLIAM CANALETTI, PA-C's NPI is 1124056767 with credentials PA-C. 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