Dr. Stewart Lloyd Shanfield, MD
- Medicare services, 2024
- 588
- Medicare patients, 2024
- 217
- Part D claims, 2024
- 158
- Hospital affiliations
- 1
- Industry payments
- $2,575
- Practice address
- 2141 N Harbor Blvd, Fullerton, CA 92835
- Practice phone
- Call (714) 449-4900
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Providence Medical Foundation
Fullerton, California
Find Dr. Shanfield's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Stewart Lloyd Shanfield is an orthopedic surgeon in Fullerton, California
Dr. Shanfield practices at Providence Medical Foundation in Fullerton, California.
Dr. Shanfield's NPI, 1346286580, was assigned on June 22, 2006. Dr. Shanfield graduated from Joe R. & Teresa Lozano Long School of Medicine in 1980. Dr. Shanfield holds California license G45883.
- NPI
- 1346286580NPI Registry (opens in a new tab)
- Medicare PAC ID
- 1254376536
- NPI enumeration date
- June 22, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (714) 449-4900
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 72
- Medical school graduation
- 1980
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Stewart Lloyd Shanfield practices at Providence Medical Foundation in Fullerton, California
Dr. Shanfield's primary practice is Providence Medical Foundation, at 2141 N Harbor Blvd, Fullerton, CA 92835 in Orange County. The practice phone is (714) 449-4900.
- Providence Medical Foundation2141 N Harbor Blvd, Fullerton, CA 92835 · Orange CountyPhone(714) 449-4900
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Stewart Lloyd Shanfield is affiliated with 4 sites of care and 1 medical group
Dr. Shanfield's primary practice is Providence Medical Foundation in Fullerton, California. Dr. Shanfield is also affiliated with Providence St. Jude Medical Center. The medical group on file is St. Jude Heritage Medical Group. Dmand AI also links Dr. Shanfield to 1 more group practice or clinic and 1 home health agency, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Stewart Lloyd Shanfield's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Shanfield practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Providence Medical Foundation | Available with a free account |
| +3 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Stewart Lloyd Shanfield is one of 2,056 orthopedic surgeons in California
Orthopaedic surgery is Dr. Shanfield's primary specialty in the NPI Registry, under taxonomy code 207X00000X. Dr. Shanfield is board certified in orthopaedic surgery by the American Board of Orthopaedic Surgery. Dr. Shanfield is licensed in California.
Specialties and state licenses
- Orthopaedic surgery, CaliforniaPrimary
Clinical focus
Dmand AI lists amputation, ankle or foot injury, arthritis, broken or dislocated ankle/ or foot, bursitis, hand joint or tendon inflammation, hip replacement and joint pain among the conditions Dr. Shanfield treats.
Orthopedic surgeons near Dr. Shanfield
Counts of orthopedic surgeons with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Stewart Lloyd Shanfield billed Medicare for 588 services in 2024
CMS data shows 588 Medicare services from Dr. Shanfield across 10 procedure codes in 2024, for 217 Medicare patients. Medicare paid $27,025 for them. Every service was in an office.
Dr. Shanfield's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 3032024: 2895%
- Imaging
- 2023: 752024: 12567%
- Drugs given in the office
- 2023: 1212024: 1242%
- Surgery
- 2023: 822024: 5039%
Dr. Shanfield compared with the California median for orthopedic surgeons, 2024
- Dr. Shanfield
- California median
- Medicare services
- 588vs 68314% below
- Medicare patients
- 217vs 215Close to median
- Part D claims
- 89vs 7027% above
Medians across 1,844 orthopedic surgeons in California with Dmand AI profiles that report each measure.
Dr. Shanfield's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Shanfield and other orthopedic surgeons in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Stewart Lloyd Shanfield treated 217 Medicare patients in 2024, average age 75
CMS counts 217 Medicare patients who saw Dr. Shanfield in 2024. The largest group is 65 to 74, with 93 patients. 75% of them have arthritis, and 75% have high cholesterol. 13% are also on Medicaid. Their average risk score is 1.24, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Shanfield's median patient age at 69, with 61% women.
Dr. Shanfield's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Shanfield's Medicare patients by sex, 2024
- Women14667%
- Men7133%
Chronic conditions among Dr. Shanfield's Medicare patients, 2024
- Arthritis75%
- High cholesterol75%
- High blood pressure71%
- Osteoporosis32%
- Diabetes29%
- Chronic kidney disease22%
- Mood disorders22%
- Anxiety21%
Share of Medicare patients with each condition. A patient can have several.
Dr. Shanfield's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 69
Patient panel by sex, all payers
- Women61%
- Men39%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Stewart Lloyd Shanfield wrote 158 Medicare Part D claims in 2024
In 2024, Dr. Shanfield wrote 158 Medicare Part D claims for 86 patients. 100% of them were for generic drugs. CMS names the drug for 89 of them, across 2 drugs with 11 or more claims each, at $538 in total drug cost. In 2023, CMS named 102 claims across 3 drugs.
Dr. Shanfield's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Dr. Shanfield's Part D claims, 2024
- Opioids10%16 of 158 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 1022024: 8913%
Drugs named by CMS: 2 in 2024, 3 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
How Dr. Stewart Lloyd Shanfield takes part in Medicare
Dr. Shanfield accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Lower limb (leg) arthroscopy (minimally invasive joint repair): 1 to 10 procedures (CMS shows small counts as a range)
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
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Dr. Stewart Lloyd Shanfield received $2,575 in industry payments from 2016 to 2024
CMS Open Payments shows 78 general payments to Dr. Shanfield from 19 drug and device companies from 2016 to 2024. Food and beverage make up the largest share, 84% of the total. Stryker Corporation paid the most, $676.
General payments to Dr. Shanfield by program year, 2016 to 2024
General payments to Dr. Shanfield by kind, 2016 to 2024
- Food and beverage$2,15284%
- Travel and lodging$40616%
- Education$171%
Companies that paid Dr. Shanfield the most, 2016 to 2024
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Stewart Lloyd Shanfield has 2 awards and honors on record
Dmand AI lists 2 awards for Dr. Shanfield, most recently CMS Stage 1 EHR in 2012.
Awards and honors for Dr. Shanfield
- 2012
- CMS Stage 1 EHR
- 2011
- Checkbook Top Doc
Source: Dmand AI Professional Profile Data
Dr. Stewart Lloyd Shanfield graduated from Joe R. & Teresa Lozano Long School of Medicine
Dr. Shanfield graduated from Joe R. & Teresa Lozano Long School of Medicine in 1980.
- Medical school
- Board certified in orthopaedic surgery
Source: Dmand AI Professional Profile Data
Dr. Stewart Lloyd Shanfield accepts plans from 14 insurance carriers
Dr. Shanfield is in network with 14 carriers, including Aetna, Blue Cross Blue Shield of Michigan and United Healthcare. PPO plans come from the most carriers, 9. Check the plan with the practice before a visit.
- Aetna
- Blue Cross Blue Shield of Michigan
- United Healthcare
- Elevance
- HCSC
- Blue Cross Blue Shield of Massachusetts
- Regence Health Plans
- Alliant Health Plans
- +6 more carriersWith a free account
Plan types Dr. Shanfield accepts, by number of carriers
- PPO9
- Medicare8
- HMO6
- EPO4
- POS3
Source: Dmand AI Insurance Network Data
Sources for Dr. Stewart Lloyd Shanfield's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Awards and committee roles | Dmand AI Professional Profile Data |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| Insurance carriers and plan types | Dmand AI Insurance Network Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Stewart Lloyd Shanfield
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Stewart Lloyd Shanfield's NPI number?
Dr. Stewart Lloyd Shanfield's NPI number is 1346286580. It was assigned on June 22, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Stewart Lloyd Shanfield?
Dr. Stewart Lloyd Shanfield is an orthopedic surgeon in Fullerton, California. The primary specialty in the NPI Registry is Orthopaedic Surgery Physician (taxonomy code 207X00000X).
Where does Dr. Stewart Lloyd Shanfield practice?
Dr. Shanfield practices at 2141 N Harbor Blvd, Fullerton, CA 92835. Dr. Shanfield's primary practice is Providence Medical Foundation in Fullerton, California. Dmand AI also links Dr. Shanfield to 1 group practice or clinic and 1 home health agency.
What is Dr. Stewart Lloyd Shanfield's office phone number?
The practice phone on file for Dr. Shanfield is (714) 449-4900.
What is Dr. Stewart Lloyd Shanfield's medical license number?
Dr. Shanfield holds California license G45883.
Which hospitals is Dr. Stewart Lloyd Shanfield affiliated with?
Dr. Shanfield is affiliated with Providence St. Jude Medical Center.
What medical group is Dr. Stewart Lloyd Shanfield part of?
Dr. Shanfield is linked to St. Jude Heritage Medical Group.
Does Dr. Stewart Lloyd Shanfield accept Medicare?
Yes. CMS data shows Dr. Shanfield billed Medicare for 588 services in 2024, and Dr. Shanfield accepts Medicare assignment.
How many Medicare patients does Dr. Stewart Lloyd Shanfield see?
CMS counts 217 Medicare patients who saw Dr. Shanfield in 2024, with an average age of 75.
Is Dr. Stewart Lloyd Shanfield board certified?
Yes. Dr. Shanfield is board certified in orthopaedic surgery by the American Board of Orthopaedic Surgery.
Show 6 more questionsShow fewer questions
What services does Dr. Stewart Lloyd Shanfield bill to Medicare?
In 2024, Dr. Shanfield's most billed Medicare services were injected or infused drug (J0702), office visit, established patient (99212) and office visit, established patient (99213).
Where did Dr. Stewart Lloyd Shanfield go to medical school?
Dr. Shanfield graduated from Joe R. & Teresa Lozano Long School of Medicine in 1980.
What drugs does Dr. Stewart Lloyd Shanfield prescribe most?
In 2024 Medicare Part D data, Dr. Shanfield's most prescribed drugs by claims were Methylprednisolone and Meloxicam.
Has Dr. Stewart Lloyd Shanfield received payments from drug or device companies?
CMS Open Payments shows $2,575 in general payments to Dr. Shanfield from 19 companies from 2016 to 2024. The largest total came from Stryker Corporation.
How long has Dr. Stewart Lloyd Shanfield been practicing?
Dr. Shanfield graduated from medical school in 1980, 46 years ago.
What insurance does Dr. Stewart Lloyd Shanfield accept?
Dr. Shanfield is in network with 14 carriers, including Aetna, Blue Cross Blue Shield of Michigan and United Healthcare. PPO plans come from the most carriers, 9. Check the plan with the practice before a visit.
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