Marc R Shapiro Medical Corp
NPI 1235373184 · Internal Medicine Physician · Clearlake, CA
Marc R Shapiro Medical Corp is a Internal Medicine Physician organization in Clearlake, CA (NPI 1235373184).
Provider details
- NPI number
- 1235373184
- Entity type
- Organization
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Marc Shapiro, Ceo(707) 994-7241
- License
- G34359 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
17 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
- 2009-04-22
- Last updated
- 2009-08-28
Frequently asked questions
- What is Marc R Shapiro Medical Corp's NPI number?
- Marc R Shapiro Medical Corp's National Provider Identifier (NPI) is 1235373184, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Marc R Shapiro Medical Corp?
- Marc R Shapiro Medical Corp is classified in the NPPES registry as Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Marc R Shapiro Medical Corp located?
- Marc R Shapiro Medical Corp's practice location on file with NPPES is 3400 Emerson St, Clearlake, CA 95422-9529.
- What is Marc R Shapiro Medical Corp's phone number?
- The practice phone number listed in the NPPES registry for Marc R Shapiro Medical Corp is (707) 994-7241.
- Who is the authorized official for Marc R Shapiro Medical Corp?
- The authorized official listed on Marc R Shapiro Medical Corp's NPPES record is Marc Shapiro, Ceo. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Marc R Shapiro Medical Corp's NPI active?
- Yes — Marc R Shapiro Medical Corp's NPI (1235373184) is active in the NPPES registry as of the last update on 2009-08-28.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.