Calvin Marantz, M.D.
NPI 1639171788 · Anatomic Pathology & Clinical Pathology Physician · Corona, CA
Enrolled with Medicare as Practitioner - Pathology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Calvin Marantz, M.D. is a Anatomic Pathology & Clinical Pathology Physician provider in Corona, CA (NPI 1639171788).
Provider details
- NPI number
- 1639171788
- Entity type
- Individual
- Primary specialty
- Anatomic Pathology & Clinical Pathology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- G12076 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
21 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
- 2005-06-01
- Last updated
- 2025-09-11
Frequently asked questions
- What is Calvin Marantz's NPI number?
- Calvin Marantz's National Provider Identifier (NPI) is 1639171788, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Calvin Marantz's specialty?
- Calvin Marantz is listed in the NPPES registry with a primary specialty of Anatomic Pathology & Clinical Pathology Physician (Allopathic & Osteopathic Physicians).
- Where is Calvin Marantz located?
- Calvin Marantz's practice location on file with NPPES is 800 S Main St, Corona, CA 92882-3420.
- What is Calvin Marantz's phone number?
- The practice phone number listed in the NPPES registry for Calvin Marantz is (951) 736-6383.
- Does Calvin Marantz accept Medicare?
- Calvin Marantz is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Calvin Marantz's NPI active?
- Yes — Calvin Marantz's NPI (1639171788) is active in the NPPES registry as of the last update on 2025-09-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.