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 practises 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

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