Marc H. Shomer, MD, PHD, Inc
NPI 1427380070 · Multi-Specialty Clinic/Center · Upland, CA
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Marc H. Shomer, MD, PHD, Inc is a Multi-Specialty Clinic/Center organization in Upland, CA (NPI 1427380070).
Provider details
- NPI number
- 1427380070
- Entity type
- Organization
- Primary specialty
- Multi-Specialty Clinic/CenterAmbulatory Health Care Facilities
- Organization subpart
- No
- Authorized official
- Marc Shomer, Ceo(909) 636-8586
- License
- A95190 (CA)
Specialties & taxonomies
Ambulatory Health Care Facilities
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
16 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2010-02-08
- Last updated
- 2021-02-02
- Certified
- 2021-02-02
Frequently asked questions
- What is Marc H. Shomer, MD, PHD, Inc's NPI number?
- Marc H. Shomer, MD, PHD, Inc's National Provider Identifier (NPI) is 1427380070, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Marc H. Shomer, MD, PHD, Inc?
- Marc H. Shomer, MD, PHD, Inc is classified in the NPPES registry as Multi-Specialty Clinic/Center (Ambulatory Health Care Facilities).
- Where is Marc H. Shomer, MD, PHD, Inc located?
- Marc H. Shomer, MD, PHD, Inc's practice location on file with NPPES is 820 N Mountain Ave Ste 102, Upland, CA 91786-4163.
- What is Marc H. Shomer, MD, PHD, Inc's phone number?
- The practice phone number listed in the NPPES registry for Marc H. Shomer, MD, PHD, Inc is (909) 981-9800.
- Does Marc H. Shomer, MD, PHD, Inc accept Medicare?
- Marc H. Shomer, MD, PHD, Inc is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Who is the authorized official for Marc H. Shomer, MD, PHD, Inc?
- The authorized official listed on Marc H. Shomer, MD, PHD, Inc's NPPES record is Marc Shomer, Ceo. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Marc H. Shomer, MD, PHD, Inc's NPI active?
- Yes — Marc H. Shomer, MD, PHD, Inc's NPI (1427380070) is active in the NPPES registry as of the last update on 2021-02-02.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.