Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of October 4, 2026.
NPIDirectory

Dr. Daniel Flinn, DO

Individual provider Orthopaedic Surgery Physician · NPI 1588041669

Dr. Daniel Flinn, DO practises Orthopedic Surgery in Temecula, California. Graduated from Arizona College of Osteopathic Medicine Mid Western University in 2015, 11 years ago. Practices with County of Monterey, a 181-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in California, Michigan and Nevada.

Years since qualifying
11
Trained at
Arizona College of Osteopathic Medicine Mid Western University
Licensed in
CA, MI, NV
In the registry since
2015
Specialties on file
3
What do these letters mean?
DO — Doctor of Osteopathic Medicine
A fully licensed physician, trained like an MD with additional musculoskeletal training. Equivalent practice rights in all 50 states.

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Practice location Address checks out

40949 Winchester Rd
Temecula, CA 92591-6031
Phone: (951) 296-6676
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 555 N Arlington Ave, Reno, NV 89503-4723 — (775) 786-3040

Specialties & licences

Orthopaedic Trauma Physician (primary) Taxonomy 207XX0801X · Licence 20A18879 (CA)
Orthopaedic Surgery Physician Taxonomy 207X00000X · Licence 5101021550 (MI)
Orthopaedic Trauma Physician Taxonomy 207XX0801X · Licence DO2665 (NV)

Record details

NPI number1588041669
Entity typeIndividual (Type 1)
GenderMale
Credentials DO
Sole proprietorYes
NPI enumeratedApril 28, 2015
Last updated in NPPESAugust 19, 2021
Certification dateAugust 19, 2021

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyORTHOPEDIC SURGERY
Medical schoolARIZONA COLLEGE OF OSTEOPATHIC MEDICINE MID WESTERN UNIVERSITY
Graduated 2015 (11 years in practice)
Group practice County Of Monterey — 181 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations6 on file with Medicare

Procedures

From CMS Care Compare, which counts the procedures a clinician billed to Original Medicare and Medicare Advantage over a recent 12-month period. CMS reports a fixed list of common procedures, so this is not everything the clinician does. Counts of 10 or fewer are given as a range, because CMS withholds small numbers.

Removal of tissue 29 times · 73rd percentile
Lower limb (leg) arthroscopy (minimally invasive joint repair) 1–10 times

The percentile compares how often this clinician performed the procedure with other clinicians who performed it, as CMS calculates it. It measures volume, not outcomes or skill.

Medicare patients and services, 2024

From the CMS Medicare Physician & Other Practitioners file for calendar year 2024. It counts Original Medicare patients only, so a practice that mostly sees Medicare Advantage or privately insured patients looks smaller here than it is.

Medicare patients115
Services billed 364 a service is one billed item, such as a visit, a test or a procedure
Average patient age76

Dollar amounts are not shown. What Medicare pays a practice is gross billings, before staff, premises and tax and including the cost of any drugs it administers, so it is not what a clinician earns.

Payments from drug and device companies, 2025

Drug and device makers are required by federal law (the Physician Payments Sunshine Act) to report what they pay or give to clinicians, and CMS publishes the reports as Open Payments. This is the 2025 program year. A report is a record of a payment, not an allegation of anything, and many are small items such as meals. Only general payments are listed here; research payments and ownership or investment interests are reported separately by CMS and are not shown.

Honoraria $8,041 2 payments
Food and Beverage $781 19 payments · a meal or drink at a meeting or visit, not a fee
Travel and Lodging $683 1 payment · travel or lodging paid or reimbursed, such as to attend a conference

Each amount is the sum of what companies reported for that kind of payment in 2025, rounded to the dollar. Not all of it is income to the clinician: a meal is not a fee, a charitable contribution goes to a charity, and a royalty or an acquisition payment is not a salary.

Check a report, or dispute one, at the source in CMS’s own tool, Open Payments. Corrections go through CMS’s dispute process. This site removes a home address on request and asks for no proof, because that is privacy; it will not remove an accurate payment report on request, because that is a statutory public disclosure.

Practises at

Facilities the CMS Facility Affiliation file lists for this clinician.

Colleagues at County of Monterey

Clinicians the CMS Doctors & Clinicians file lists under the same group practice. CMS counts 181 clinicians in the practice; 12 are shown here.

Other providers in Temecula