KAROLINA GREKOV MD
NPI 1841786274
Pediatrics - Pediatric Critical Care Medicine in Palo Alto, CA

Active since July 09, 2018PECOS EnrolledAccepts Medicare Assignment
725 WELCH RD, PALO ALTO, CA 94304(650) 497-8000 Get Directions Write a Review

NPPES record last updated: August 7, 2025. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Aug 7, 2025, Jun 15, 2020, Jul 9, 2018 (3 updates tracked since 2018).

About Karolina Grekov Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

KAROLINA GREKOV MD (NPI 1841786274) is an individual pediatric critical care medicine provider in Palo Alto, California, licensed in California (A160100) and active in the NPI registry since July 2018. She is enrolled in Medicare PECOS, maintains a secondary practice location in Stanford, and is a graduate of Loma Linda University School Of Medicine (2017).

NPPES Registry Identity

NPI1841786274
Entity TypeIndividualFemale
Primary Taxonomy2080P0203X
Provider Legal NameKAROLINA GREKOVCredential: MD
Location Address725 WELCH RDPalo Alto, CA 94304-1601
Mailing Address300 Pasteur DrStanford, CA 94305-2200 · (650) 723-4000
Sole ProprietorNo
Medical School CMSLoma Linda University School Of MedicineGraduated 2017
Enumeration DateJuly 9, 2018
Last NPPES UpdateAugust 7, 20253 updates tracked since enumeration
NPPES CertifiedAugust 7, 2025
NPI 1841786274 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

Primary SpecialtyPediatrics · Pediatric Critical Care MedicineAllopathic & Osteopathic Physicians
Taxonomy Code2080P0203X
License Licensed in CA · A160100
Definition
A pediatrician expert in advanced life support for children from the term or near-term neonate to the adolescent. This competence extends to the critical care management of life-threatening organ system failure from any cause in both medical and surgical patients and to the support of vital physiological functions. This specialist may have administrative responsibilities for intensive care units and also facilitates patient care among other specialists.
Also ListedInternal Medicine · Hospice and Palliative MedicineTaxonomy 207RH0002X · License A160100 (CA)
Also ListedPediatricsTaxonomy 208000000X · License A160100 (CA)
725 WELCH RD, Palo Alto, CA 94304

Secondary Practice Location 1

Location 1300 Pasteur DrStanford, CA 94305-2200 · Phone (650) 723-4000 · Fax (650) 723-4000

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Karolina Grekov Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID648691030
PECOS Enrollment IDI20200611001543
Eligible to Order & Refer Part B Labs & Imaging Durable Medical Equipment Home Health Agency Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Occupational Therapist (Pediatrics)
725 WELCH RD
PALO ALTO, CA 94304
Nurse Practitioner (Neonatal)
725 WELCH RD
PALO ALTO, CA 94304
Pediatrics
725 WELCH RD
PALO ALTO, CA 94304
Anesthesiology (Pediatric Anesthesiology)
725 WELCH RD
PALO ALTO, CA 94304
Pediatrics (Pediatric Hematology-Oncology)
725 WELCH RD
PALO ALTO, CA 94304
Occupational Therapist
725 WELCH RD
PALO ALTO, CA 94304
Nurse Practitioner
725 WELCH RD
PALO ALTO, CA 94304
Hospitalist
725 WELCH RD
PALO ALTO, CA 94304

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Karolina Grekov's NPI number?

The NPI number for Karolina Grekov is 1841786274. It was assigned to this individual provider in the NPPES registry on July 9, 2018.

Where is Karolina Grekov located?

Karolina Grekov practices at 725 Welch Rd, Palo Alto, CA 94304. The listed phone number is (650) 497-8000.

What is Karolina Grekov's specialty?

The primary specialty registered for this NPI is Pediatrics, specializing in Pediatric Critical Care Medicine, with taxonomy code 2080P0203X.

Is Karolina Grekov enrolled in Medicare?

Yes. Karolina Grekov is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

When was this NPI record last updated?

The NPPES record for Karolina Grekov was last updated on August 7, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.