Karolina Grekov, MD
NPI 1841786274 · Pediatric Critical Care Medicine Physician · Palo Alto, CA
Enrolled with Medicare as Practitioner - Pediatric Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Karolina Grekov, MD is a Pediatric Critical Care Medicine Physician provider in Palo Alto, CA (NPI 1841786274).
Provider details
- NPI number
- 1841786274
- Entity type
- Individual
- Primary specialty
- Pediatric Critical Care Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- A160100 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
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
7 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
2 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 (1)
- 300 Pasteur DrStanford, CA 94305-2200Phone: (650) 723-4000Fax: (650) 723-4000
Registry dates
- Enumerated
- 2018-07-09
- Last updated
- 2025-08-07
- Certified
- 2025-08-07
Frequently asked questions
- What is Karolina Grekov's NPI number?
- Karolina Grekov's National Provider Identifier (NPI) is 1841786274, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Karolina Grekov's specialty?
- Karolina Grekov is listed in the NPPES registry with a primary specialty of Pediatric Critical Care Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Karolina Grekov located?
- Karolina Grekov's practice location on file with NPPES is 725 Welch Rd, Palo Alto, CA 94304-1601.
- What is Karolina Grekov's phone number?
- The practice phone number listed in the NPPES registry for Karolina Grekov is (650) 497-8000.
- Does Karolina Grekov accept Medicare?
- Karolina Grekov is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Karolina Grekov's NPI active?
- Yes — Karolina Grekov's NPI (1841786274) is active in the NPPES registry as of the last update on 2025-08-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.