NPPES file of Aug 9, 2026

Keith Alfieri, M.D.

Orthopaedic Surgery Physician · San Diego, CA

Keith Alfieri, M.D. is an orthopaedic surgery physician with a practice address in San Diego, California, and NPI 1922260512, issued on Jun 26, 2008. Check the license on the Medical Board of California; 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
1922260512
Name
Keith Alfieri
Credential
M.D.
Primary taxonomy
Orthopaedic Surgery Physician 207X00000X
License number
319593 NY
Self-reported in NPPES; status is on the state search
Practice location
6719 Alvarado RD Ste 200, San Diego, CA 92120
Phone
(619) 229-5018
Enumerated
Jun 26, 2008
Record last updated
Feb 27, 2026
Fax
(619) 229-2968
Medicaid ID
1032670990001 PA
Medicare enrollment
Enrolled (PECOS I20230202002575); 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 6719 Alvarado RD Ste 200

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

  1. Enoch Chang, M.D.Sports Medicine (Physical Medicine & Rehabilitation) Physician1205128196
  2. Alexander Friedman, D.O.Orthopaedic Surgery Physician1174973242
  3. Sandy Pham, PA-CPhysician Assistant1811451826
  4. Matthew Shillito, M.D.Orthopaedic Hand Surgery Physician1538318548

Verify Keith Alfieri in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of CaliforniaCheck 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 California license search

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86% fewer Medicare Part D claims than the average orthopaedic surgery physician in 2024

50 Medicare Part D claims for 39 beneficiaries, against an average of 346 among the 16,516 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.

  1. Keith Alfieri50
  2. Specialty average346

Most prescribed

  1. Methylprednisolone19 claims
  2. Meloxicam11 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.

The MIPS final score for 2023 (Medicare payment program): 95.2 of 100

The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score70.6
  2. Costnot scored (reweighted)
  3. Promoting interoperabilityout of 100 · 25%100.0
  4. Improvement activities40 of 40 points · 15%100.0

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

Industry payments in 2024: $43.97

2 payments; by number, the most common kind was food and beverage; the largest payer was Smith+Nephew, 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. Keith Alfieri$44
  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. Western New York Medical Practice PCClifton Springs, NY

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

Keith Alfieri among 2,276 orthopaedic surgery physician records in California

Keith Alfieri, M.D. is one of 2,276 orthopaedic surgery physician records with a practice address in California. 74% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2008, is newer than 65% of them.

  • NPI issued2008 · 65% of these records are older, 31% newer
  • In a Medicare fileYes · 74% of these records are
  • In the CMS Doctors and Clinicians fileYes · 59% of these records are
  • Graduated2008 · median 2003 among the 1,347 with a school on file
  • Record last updated2026 · 66% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207X00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Orthopaedic Surgery Physician providers in California

There are 2,276 orthopaedic surgery physician records in California.

The 8 orthopaedic surgery physician records with the nearest ZIP codes

  1. Steven Allsing, MDSan Diego, CA 921201538274709
  2. James Bates, M.D.San Diego, CA 921201174692206
  3. John Brady, M.D.San Diego, CA 921201760654685
  4. David Burnikel, M.D.San Diego, CA 921201457541369
  5. John Finkenberg, M.D.San Diego, CA 921201285703413
  6. Alexander Friedman, D.O.San Diego, CA 921201174973242
  7. Mark Jacobson, M.D.San Diego, CA 921201760551915
  8. Ralph Rynning, M.D.San Diego, CA 921201952595316

Common questions

What is Keith Alfieri, M.D.'s NPI number?

Keith Alfieri, M.D.'s National Provider Identifier (NPI) is 1922260512, issued on Jun 26, 2008. An NPI identifies a provider in billing; it is not a license.

Where is Keith Alfieri, M.D. located?

The NPPES record lists a practice address at 6719 Alvarado RD Ste 200, San Diego, CA, 92120. Phone: (619) 229-5018. Providers update this record themselves, so call before visiting.

How can I verify Keith Alfieri, M.D.'s license?

Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Keith Alfieri, M.D. prescribe under Medicare Part D?

In 2024, Keith Alfieri, M.D. had 50 Medicare Part D claims for 39 beneficiaries; the average among orthopaedic surgery physician prescribers was 346. Part D covers Medicare prescriptions only.

What is Keith Alfieri, M.D.'s MIPS final score?

The 2023 MIPS final score is 95.2 of 100. The average among 454,083 clinicians with a measured score was 83.5.

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.