NPPES file of Aug 9, 2026

William Anthony Frisella, MD

Orthopaedic Surgery Physician · Saint Peters, MO

William Anthony Frisella, MD is an orthopaedic surgery physician with a practice address in Saint Peters, Missouri, and NPI 1851427066, issued on Feb 24, 2007. Check the license (Missouri 2007002737, as entered in NPPES) on the Missouri Board of Registration for the Healing Arts; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1851427066
Name
William Anthony Frisella
Credential
MD
Primary taxonomy
Orthopaedic Surgery Physician 207X00000X
License number
2007002737 MO
Self-reported in NPPES; status is on the state search
Practice location
112 Piper Hill Drive, Saint Peters, MO 63376
Phone
(636) 441-3444
Enumerated
Feb 24, 2007
Record last updated
Aug 19, 2011 (not updated in 15 years: call before relying on the address or phone)
Fax
(636) 441-9832
Medicare enrollment
Enrolled (PECOS I20090512000034); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 112 Piper Hill Drive

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Brandon Larkin, MDPediatric Sports Medicine Physician1508061540

Verify William Anthony Frisella in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMissouri Board of Registration for the Healing Arts
    Search for license 2007002737
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Missouri license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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11% fewer Medicare Part D claims than the average orthopaedic surgery physician in 2024

309 Medicare Part D claims for 182 beneficiaries, against an average of 346 among the 16,516 providers of this specialty who prescribed in Part D. Brand-name drugs were 4% of claims. 173 claims were for opioids.

  1. William Frisella309
  2. Specialty average346

Most prescribed

  1. Oxycodone Hcl132 claims
  2. Cephalexin61 claims
  3. Ondansetron Hcl31 claims
  4. Hydrocodone-Acetaminophen23 claims
  5. Meloxicam14 claims
  6. Alprazolam11 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

No measured MIPS final score for 2023

CMS assigned the neutral MIPS final score of 75 without scoring Quality, Cost, Promoting Interoperability or Improvement Activities. It is an administrative threshold, so PlainDoctor does not compare it with measured clinicians.

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Industry payments in 2024: $331.18

4 payments; by number, the most common kind was food and beverage; the largest payer was Shoulder Innovations, Inc. The 15,003 providers of this specialty with any payment received $23,022.89 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. William Frisella$331
  2. Specialty average$23,023

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through one group practice

  1. St Peters Bone And Joint Surgery IncO Fallon, MO

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Orthopaedic Surgery Physician providers in Missouri

There are 514 orthopaedic surgery physician records in Missouri.

Other orthopaedic surgery physician records in Missouri

  1. Sameh Abolfotouh, MDColumbia, MO1285113423
  2. Moneer Abouljoud, MDSaint Louis, MO1013654706
  3. Ravi Agrawal, MDSaint Louis, MO1962071191
  4. Thomas Albus, M.D.Saint Peters, MO1114039740
  5. Alexander Aleem, MDSaint Louis, MO1326369265
  6. Ashley Ali, M.D.Saint Louis, MO1922340603
  7. Mohd Mujahed Alkurdieh, MDColumbia, MO1386456358
  8. Joseph Anderson, MDColumbia, MO1154882314
  9. Gregory Angelides, MDSaint Louis, MO1275162570
  10. Hayden Anz, MDSaint Louis, MO1033795562

Common questions

What is William Anthony Frisella, MD's NPI number?

William Anthony Frisella, MD's National Provider Identifier (NPI) is 1851427066, issued on Feb 24, 2007. An NPI identifies a provider in billing; it is not a license.

Where is William Anthony Frisella, MD located?

The NPPES record lists a practice address at 112 Piper Hill Drive, Saint Peters, MO, 63376. Phone: (636) 441-3444. Providers update this record themselves, so call before visiting.

How can I verify William Anthony Frisella, MD's license?

NPPES lists Missouri license number 2007002737, as entered by the provider. Search the Missouri Board of Registration for the Healing Arts at https://www.fsmb.org/contact-a-state-medical-board/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does William Anthony Frisella, MD prescribe under Medicare Part D?

In 2024, William Anthony Frisella, MD had 309 Medicare Part D claims for 182 beneficiaries; the average among orthopaedic surgery physician prescribers was 346. Part D covers Medicare prescriptions only.

What is William Anthony Frisella, MD's MIPS final score?

CMS assigned the neutral MIPS final score of 75 for 2023 without scoring any category, so it is not a measured result.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.