Nicholas Protopsaltis, MD, PHD
NPI 1275160632 · Clinical Pathology/Laboratory Medicine Physician · San Diego, CA
Enrolled with Medicare as Practitioner - Pathology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Nicholas Protopsaltis, MD, PHD is a Clinical Pathology/Laboratory Medicine Physician provider in San Diego, CA (NPI 1275160632).
Provider details
- NPI number
- 1275160632
- Entity type
- Individual
- Primary specialty
- Clinical Pathology/Laboratory Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD, PHD
- Sex
- Male
- Sole proprietor
- No
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
6 yrs in NPPES registry
- Profile completeness38% of score
83% of core fields populated
- Practice footprint23% of score
3 documented practice locations
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
Additional practice locations (2)
- 10300 Campus Point DrSan Diego, CA 92121-1504Phone: (800) 926-8273Fax: (888) 539-8781
- 234 Goodman St Dept ofCincinnati, OH 45219-2364Phone: (513) 558-7043Fax: (513) 584-3892
Registry dates
- Enumerated
- 2020-03-25
- Last updated
- 2025-01-27
- Certified
- 2025-01-27
Frequently asked questions
- What is Nicholas Protopsaltis's NPI number?
- Nicholas Protopsaltis's National Provider Identifier (NPI) is 1275160632, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Nicholas Protopsaltis's specialty?
- Nicholas Protopsaltis is listed in the NPPES registry with a primary specialty of Clinical Pathology/Laboratory Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Nicholas Protopsaltis located?
- Nicholas Protopsaltis's practice location on file with NPPES is 200 W Arbor Dr, San Diego, CA 92103-9000.
- What is Nicholas Protopsaltis's phone number?
- The practice phone number listed in the NPPES registry for Nicholas Protopsaltis is (800) 926-8273.
- Does Nicholas Protopsaltis accept Medicare?
- Nicholas Protopsaltis is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Nicholas Protopsaltis's NPI active?
- Yes — Nicholas Protopsaltis's NPI (1275160632) is active in the NPPES registry as of the last update on 2025-01-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.