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

Dan Miulli, DO

Individual provider Neurological Surgery Physician · NPI 1700993573

Dan Miulli, DO practises Neurosurgery in Colton, California. Graduated from Midwestern University, Chicago College of Osteopathic Med in 1989, 37 years ago. Practices with Arrowhead Neurosurgical Medical Group Inc, a 9-clinician group. Licensed in California.

Years since qualifying
37
Trained at
Midwestern University, Chicago College of Osteopathic Med
Licensed in
CA
In the registry since
2006
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

400 N Pepper Ave Dept Surgery Modular # 3
Colton, CA 92324-1801 Not confirmed with CMS for 16 years — call before visiting
Phone: (909) 580-3353
Fax: (909) 580-1363
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Neurological Surgery Physician (primary) Taxonomy 207T00000X · Licence 020A81530 (CA)

Record details

NPI number1700993573
Entity typeIndividual (Type 1)
GenderMale
Credentials DO
Sole proprietorNo
NPI enumeratedAugust 25, 2006
Last updated in NPPESJuly 16, 2010

Medicare enrollment

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

Medicare specialtyNEUROSURGERY
Medical schoolMIDWESTERN UNIVERSITY, CHICAGO COLLEGE OF OSTEOPATHIC MED
Graduated 1989 (37 years in practice)
Group practice Arrowhead Neurosurgical Medical Group Inc — 9 clinicians
Accepts Medicare assignment Not indicated
Practice locations2 on file with Medicare

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 patients78
Services billed 146 a service is one billed item, such as a visit, a test or a procedure
Average patient age74

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.

Food and Beverage $318 8 payments · a meal or drink at a meeting or visit, not a fee

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 Arrowhead Neurosurgical Medical Group Inc

Clinicians the CMS Doctors & Clinicians file lists under the same group practice. CMS counts 9 clinicians in the practice; 7 are shown here.

Other providers in Colton