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

Dr. Marc Howard Shomer, MD, PHD

Individual provider Ophthalmology Physician · NPI 1457457483

Dr. Marc Howard Shomer, MD, PHD is an Ophthalmology in Upland, California. Graduated from Un of California, Irvine, College of Medicine in 2004, 22 years ago. Practices with Marc H Shomer MD PHD Inc, a 2-clinician group. Licensed in California.

Years since qualifying
22
Trained at
Un of California, Irvine, College of Medicine
Licensed in
CA
In the registry since
2006
Specialties on file
3
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.
PHD — Doctor of Philosophy
A research doctorate. In healthcare it usually sits alongside a clinical licence.

See every abbreviation used in this directory →

Practice location Address checks out

1298 W 7th St
Upland, CA 91786-7035
Phone: (909) 981-9800
Fax: (909) 946-3937
Show map & directions

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

Specialties & licences

Ophthalmology Physician (primary) Taxonomy 207W00000X · Licence A95190 (CA)
Public Health & General Preventive Medicine Physician Taxonomy 2083P0901X · Licence A95190 (CA)
General Practice Physician Taxonomy 208D00000X · Licence A95190 (CA)

Record details

NPI number1457457483
Entity typeIndividual (Type 1)
GenderMale
Credentials MD , PHD
Sole proprietorYes
NPI enumeratedSeptember 16, 2006
Last updated in NPPESJuly 21, 2026
Certification dateJuly 21, 2026

Medicare enrollment

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

Medicare specialtyOPHTHALMOLOGY
Also practisesGENERAL PRACTICE
Medical schoolUN OF CALIFORNIA, IRVINE, COLLEGE OF MEDICINE
Graduated 2004 (22 years in practice)
Group practice Marc H Shomer Md Phd Inc — 2 clinicians
Accepts Medicare assignment Not indicated
Practice locations4 on file with Medicare

Other providers in Upland