Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Alan Thomas Villavicencio, MD

Individual provider Neurological Surgery Physician · NPI 1720033939

Alan Thomas Villavicencio, MD is a Neurosurgery in Longmont, Colorado. Graduated from Harvard Medical School in 1995, 31 years ago. Practices with Catholic Health Initiatives Colorado, a 1,266-clinician group, works from 2 locations, accepts Medicare assignment and offers telehealth. Licensed in Colorado.

Years since qualifying
31
Trained at
Harvard Medical School
Licensed in
CO
In the registry since
2006
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

2030 Mountain View Ave Ste 210
Longmont, CO 80501-3180
Phone: (303) 485-3560
Fax: (303) 485-3561
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 4743 Arapahoe Ave, Boulder, CO 80303-1113 — (303) 938-5700

Specialties & licences

Neurological Surgery Physician (primary) Taxonomy 207T00000X · Licence DR.0040687 (CO)

Record details

NPI number1720033939
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMay 24, 2006
Last updated in NPPESFebruary 4, 2026
Certification dateFebruary 4, 2026

Medicare enrollment

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

Medicare specialtyNEUROSURGERY
Medical schoolHARVARD MEDICAL SCHOOL
Graduated 1995 (31 years in practice)
Group practice Catholic Health Initiatives Colorado — 1266 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services
Practice locations2 on file with Medicare

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