Guy P. Guilfoy, MD
Orthopaedic Surgery Physician · Folsom, CA
Guy P. Guilfoy, MD is an orthopaedic surgery physician with a practice address in Folsom, California, and NPI 1154381341, issued on Mar 23, 2006. Check the license (California G50096, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Guy P. Guilfoy
- Credential
- MD
- Primary taxonomy
- Orthopaedic Surgery Physician 207X00000X
- License number
- G50096 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1743 Creekside Dr, Folsom, CA 95630
- Phone
- (916) 983-2307
- Enumerated
- Mar 23, 2006
- Record last updated
- Mar 28, 2012 (not updated in 14 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20090710000554); accepts Medicare assignment
- Medical or professional school
- Loma Linda University School Of Medicine, 1982
- Entity
- Type 1 · individual
8 nearest orthopaedic surgery physician records → All 2,276 in California → Look up another NPI →
Also registered at 1743 Creekside Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Jeffrey Hill, DOFamily Medicine Physician1770894362
- Terri Pavelko, P.A.Physician Assistant1396705505
- Nathan Taylor, M.D.Orthopaedic Hand Surgery Physician1770570566
- Dana Verch, M.D.Specialist1720064868
Verify Guy P. Guilfoy in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G50096Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
13% more Medicare Part D claims than the average orthopaedic surgery physician in 2024
392 Medicare Part D claims for 142 beneficiaries, against an average of 346 among the 16,516 providers of this specialty who prescribed in Part D. 140 claims were for opioids.
Most prescribed
- Celecoxib74 claims
- Tramadol Hcl63 claims
- Gabapentin49 claims
- Oxycodone Hcl44 claims
- Meloxicam40 claims
- Amoxicillin32 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): 30 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.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $279.50
7 payments; by number, the most common kind was food and beverage; the largest payer was Evolution Surgical, 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.
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
- Folsom Orthopaedic Surgery And Sports Injury Medical Clinic, Inc.Folsom, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Guy P. Guilfoy among 2,276 orthopaedic surgery physician records in California
Guy P. Guilfoy, MD 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 2006, is newer than 10% of them.
- NPI issued2006 · 10% of these records are older, 46% newer
- In a Medicare fileYes · 74% of these records are
- In the CMS Doctors and Clinicians fileYes · 59% of these records are
- Graduated1982 · median 2003 among the 1,347 with a school on file
- Record last updated2012 · 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.
All 2,276 in California → Every provider in Folsom → Orthopaedic Surgery Physician nationwide →
The 8 orthopaedic surgery physician records with the nearest ZIP codes
- Brian Blackburn, D.O.Folsom, CA 956301851687297
- Max Haffner, MDFolsom, CA 956301700323425
- Robert Lucas, M.D.Folsom, CA 956301982759320
- Philip Orisek, M.D.Folsom, CA 956301700812955
- Patrick Osgood, M.D.Folsom, CA 956301396724209
- Robert Slater, MDFolsom, CA 956301427136183
- Raymond Pierson, M.D.Jackson, CA 956421720157274
- Lisa Ronback, M.D.Jackson, CA 956421790786523
Common questions
What is Guy P. Guilfoy, MD's NPI number?
Guy P. Guilfoy, MD's National Provider Identifier (NPI) is 1154381341, issued on Mar 23, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Guy P. Guilfoy, MD located?
The NPPES record lists a practice address at 1743 Creekside Dr, Folsom, CA, 95630. Phone: (916) 983-2307. Providers update this record themselves, so call before visiting.
How can I verify Guy P. Guilfoy, MD's license?
NPPES lists California license number G50096, 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 Guy P. Guilfoy, MD prescribe under Medicare Part D?
In 2024, Guy P. Guilfoy, MD had 392 Medicare Part D claims for 142 beneficiaries; the average among orthopaedic surgery physician prescribers was 346. Part D covers Medicare prescriptions only.
What is Guy P. Guilfoy, MD's MIPS final score?
The 2023 MIPS final score is 30 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.