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Deactivated NPI 1578767927 Deactivated / Inactive NPI Male Practitioner

Dr. John Grillos , RPH, DPM

Pharmacist • San Mateo, CA

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Notice of NPI Deactivation & Inactive Practice Status

According to official public domain records published by CMS (Centers for Medicare & Medicaid Services) in the National Provider Identifier (NPPES) Registry, Dr. John Grillos has officially deactivated this NPI record and ceased active healthcare practice.

Registration / Start Date June 11, 2007
NPI Deactivation Date April 30, 2026
Total Practice Duration ~19 Years of Practice (2007 – 2026)

Professional Overview & Biography Verified Profile Summary

Dr. John Grillos, RPH, DPM was a registered Pharmacist practicing in San Mateo, CA. Throughout an active medical career spanning 19 years, Dr. Grillos provided care at the practice location at 666 CONCAR DR until profile deactivation on 2026-04-30.

Practice Location & Contact Primary Location

Practice Address

666 Concar Dr

San Mateo, CA 944022622

Telephone 6505738551
Associated Practice Facility / Clinic
🏢 Rite Aid Facility NPI 1316346331

Specialty Benchmarks & Practice Insights

Comparative analytics for Pharmacist in San Mateo, CA

Active Practitioner
Practitioner Clinical Experience
Active
City Avg: 10.5 Yrs
State Avg: 16.8 Yrs
Regional Practice Density
86 Specialists

Practicing in San Mateo, CA (33119 Statewide)

Telehealth Adoption Rate
0.0% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount
67.4% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Medical Specialties & State Licenses

Pharmacist Primary Specialty

NUCC Taxonomy Code: 183500000X

State License CA 24286

An individual licensed by the appropriate state regulatory agency to engage in the practice of pharmacy. The practice of pharmacy includes, but is not limited to, assessment, interpretation, evaluation, and implementation, initiation, monitoring or modification of medication and or medical orders; the compounding or dispensing of medication and or medical orders; participation in drug and device procurement, storage, and selection; drug administration; drug regimen reviews; drug or drug-related research; provision of patient education and the provision of those acts or services necessary to provide medication therapy management services in all areas of patient care.

Practice Associates & Co-Workers

Healthcare professionals and specialists practicing at this location or sharing practice phone/fax

6 Associated Practitioners
Karen Lei

Pharmacist

NPI 1013436237
NPI 1033439880

Pharmacist

NPI 1508390121

Doctor of Pharmacy (Pharm.D.)

Katherine Chin

Pharmacist

NPI 1578882577
Mona Shamshikh

Pharmacist

NPI 1740509926
NPI 1790297026

Doctor of Pharmacy (Pharm.D.), Registered Pharmacist

Career & Practice History Timeline

Chronological log of verified NPI updates, location relocations, credentials, and registry changes

7 Historical Events
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NPI Profile Deactivated April 30, 2026

Record deactivated on April 30, 2026

NPI Profile Active July 08, 2007

NPI status registered as active in NPPES database

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Updated Practice Location July 08, 2007

Registered at 666 CONCAR DR, SAN MATEO, CA 944022622 (Tel: 6505738551)

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Updated Business Mailing Address July 08, 2007

Registered at 1749 ELIZABETH ST, SAN CARLOS, CA 940702950 (Tel: 6504540228)

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Provider Name / Credentials Updated July 08, 2007

Recorded as JOHN GRILLOS, RPH, DPM

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Medical Taxonomy / Specialty Registered (Primary Specialty) July 08, 2007

Pharmacist (License #24286 in CA)

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Initial NPI Registration & Enumeration June 11, 2007

First registered as active Individual Practitioner in NPPES Database.

Patient & Community Reviews

Verified patient ratings, medical care experiences, and facility photos

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NPI Administrative Meta

NPI Number: 1578767927
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: June 11, 2007
Last Update: July 08, 2007
Deactivation Date: April 30, 2026

Mailing Address

1749 Elizabeth St

San Carlos, CA 940702950

Phone: 6504540228

Public Domain Record This profile contains public domain information published by CMS and NPPES under the Freedom of Information Act (FOIA).
⚠️ Medical Disclaimer

This directory listing is for informational purposes only and does not constitute medical advice, diagnosis, or physician endorsement. If you are experiencing a medical emergency, please call 911 immediately.