NPPES file of Aug 9, 2026

Robert E. Mayle, M.D.

Orthopaedic Surgery Physician · Stanford, CA

Robert E. Mayle, M.D. is an orthopaedic surgery physician with a practice address in Stanford, California, and NPI 1174710545, issued on Oct 1, 2007. Check the license (California A98952, as entered in NPPES) 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
1174710545
Name
Robert E. Mayle
Credential
M.D.
Primary taxonomy
Orthopaedic Surgery Physician 207X00000X
License number
A98952 CA
Self-reported in NPPES; status is on the state search
Practice location
300 Pasteur Dr RM R144, Stanford, CA 94305
Phone
(650) 725-5903
Enumerated
Oct 1, 2007
Record last updated
Oct 1, 2007 (not updated in 19 years: call before relying on the address or phone)
Fax
(650) 724-3044
Medicare enrollment
Enrolled (PECOS I20081020000134); accepts Medicare assignment
Telehealth
Offers telehealth (CMS)
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 300 Pasteur Dr RM R144

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

  1. Nathan Hart, M.D.Orthopaedic Surgery Physician1710174180
  2. Anastasia Hunt, MDOrthopaedic Surgery Physician1043839640
  3. Arthur Lee, M.D.Orthopaedic Surgery Physician1265629638

Verify Robert E. Mayle in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A98952
    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 California 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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45% fewer Medicare Part D claims than the average orthopaedic surgery physician in 2024

190 Medicare Part D claims for 108 beneficiaries, against an average of 346 among the 16,516 providers of this specialty who prescribed in Part D. 45 claims were for opioids.

  1. Robert Mayle190
  2. Specialty average346

Most prescribed

  1. Meloxicam29 claims
  2. Celecoxib25 claims
  3. Gabapentin19 claims
  4. Diclofenac Sodium18 claims
  5. Tramadol Hcl18 claims
  6. Oxycodone Hcl16 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 practice group's MIPS final score for 2023 (Medicare payment program): 100 of 100

The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualitynot scored (reweighted)
  2. Costnot scored (reweighted)
  3. Promoting interoperabilitynot scored (reweighted)
  4. Improvement activities40 of 40 points · 15%100.0

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

Industry payments in 2024: $63,293.16

35 payments; by number, the most common kind was consulting fee; the largest payer was Medical Device Business Services, 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. Robert Mayle$63,293
  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 2 group practices

  1. California Pacific Orthopaedics And Sports Medicine A Medical CorporatSan Francisco, CA
  2. Regents OF The University OF California - UcsfSan Francisco, CA

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

Robert E. Mayle among 2,276 orthopaedic surgery physician records in California

Robert E. Mayle, 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 2007, is newer than 54% of them.

  • NPI issued2007 · 54% of these records are older, 35% newer
  • In a Medicare fileYes · 74% of these records are
  • In the CMS Doctors and Clinicians fileYes · 59% of these records are
  • Graduated2005 · median 2003 among the 1,347 with a school on file
  • Record last updated2007 · 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. Raffi Avedian, MDStanford, CA 943051821261371
  2. Michael Bellino, M.D.Stanford, CA 943051326134909
  3. Angus Don, MDStanford, CA 943051720267354
  4. Holly Haight, M.D.Stanford, CA 943051083693923
  5. Nathan Hart, M.D.Stanford, CA 943051710174180
  6. Steven Isono, MDStanford, CA 943051548222128
  7. Michael Kelly, MDStanford, CA 943051508997420
  8. Arthur Lee, M.D.Stanford, CA 943051265629638

Common questions

What is Robert E. Mayle, M.D.'s NPI number?

Robert E. Mayle, M.D.'s National Provider Identifier (NPI) is 1174710545, issued on Oct 1, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Robert E. Mayle, M.D. located?

The NPPES record lists a practice address at 300 Pasteur Dr RM R144, Stanford, CA, 94305. Phone: (650) 725-5903. Providers update this record themselves, so call before visiting.

How can I verify Robert E. Mayle, M.D.'s license?

NPPES lists California license number A98952, as entered by the provider. 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 Robert E. Mayle, M.D. prescribe under Medicare Part D?

In 2024, Robert E. Mayle, M.D. had 190 Medicare Part D claims for 108 beneficiaries; the average among orthopaedic surgery physician prescribers was 346. Part D covers Medicare prescriptions only.

What is Robert E. Mayle, M.D.'s MIPS final score?

The 2023 MIPS final score is 100 of 100, reported for the practice group. 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.