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

Dr. Mark William Simon, MD

Individual provider Emergency Medicine Physician · NPI 1649776584

Dr. Mark William Simon, MD is an Emergency Medicine in San Diego, California. Qualified in 2018, 8 years ago. Practices with Poudre Valley Medical Group LLC, a 2,416-clinician group, works from 6 locations and accepts Medicare assignment. Licensed in California and Colorado.

Years since qualifying
8
Licensed in
CA, CO
In the registry since
2018
Specialties on file
3
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

200 W Arbor Dr
San Diego, CA 92103-9000
Phone: (800) 926-8273
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (5)

  • 8910 Villa La Jolla Dr Ste 100, La Jolla, CA 92037-1701 — (800) 926-8273
  • 9300 Campus Point Dr, La Jolla, CA 92037-1300 — (800) 926-8273
  • 12505 E 16th Ave, Aurora, CO 80045-2545 — (720) 848-0000
  • 777 Bannock Street, Denver, CO 80204 — (303) 602-5183
  • 10350 E Dakota Ave, Denver, CO 80247-1314 — (303) 338-4545

Specialties & licences

Emergency Medicine Physician (primary) Taxonomy 207P00000X · Licence A206785 (CA)
Emergency Medicine Physician Taxonomy 207P00000X · Licence DR.0066448 (CO)
Medical Toxicology (Emergency Medicine) Physician Taxonomy 207PT0002X · Licence A206785 (CA)

Record details

NPI number1649776584
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMarch 31, 2018
Last updated in NPPESJune 27, 2026
Certification dateJune 27, 2026

Medicare enrollment

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

Medicare specialtyEMERGENCY MEDICINE
Medical schoolOTHER
Graduated 2018 (8 years in practice)
Group practice Poudre Valley Medical Group Llc — 2416 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

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