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Active NPI 1306958095 Individual Practitioner Male Practitioner

Dr. Jon Meredith Greif , DO

Surgery • Oakland, CA

Professional Overview & Biography Verified Profile Summary

Dr. Jon Greif, DO is a registered healthcare professional specializing in Surgery in Oakland, CA. Practice services are available at 3300 WEBSTER ST under active NPI credentials.

Practice Location & Contact Primary Location

Practice Address

3300 Webster St
Suite 212

Oakland, CA 946093117

Telephone 5108359900
Fax 5108359909
Associated Practice Facility / Clinic

Specialty Benchmarks & Practice Insights

Comparative analytics for Surgery in Oakland, CA

Active Practitioner
Practitioner Clinical Experience
Active
City Avg: 23.6 Yrs
State Avg: 27.4 Yrs
Regional Practice Density
62 Specialists

Practicing in Oakland, CA (3346 Statewide)

Telehealth Adoption Rate
12.9% 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

Surgery Primary Specialty

NUCC Taxonomy Code: 208600000X

State License CA 20A4984

A general surgeon has expertise related to the diagnosis - preoperative, operative and postoperative management - and management of complications of surgical conditions in the following areas: alimentary tract; abdomen; breast, skin and soft tissue; endocrine system; head and neck surgery; pediatric surgery; surgical critical care; surgical oncology; trauma and burns; and vascular surgery. General surgeons increasingly provide care through the use of minimally invasive and endoscopic techniques. Many general surgeons also possess expertise in transplantation surgery, plastic surgery and cardiothoracic surgery.

Additional State Medicaid & Healthcare Payer Identifiers

Commercial Insurance / Payer ID Medical License
20A4984 (CA)

Practice Associates & Co-Workers

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

2 Associated Practitioners
Carolyn Bernstein , RN, NP

Nurse Practitioner - Adult Health

NPI 1306146568

Registered Nurse, Nurse Practitioner

NPI 1861462251

Doctor of Medicine (M.D.)

Career & Practice History Timeline

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

6 Historical Events
NPI Profile Active February 22, 2011

NPI status registered as active in NPPES database

📍
Updated Practice Location February 22, 2011

Registered at 3300 WEBSTER ST, SUITE 212, OAKLAND, CA 946093117 (Tel: 5108359900)

📍
Updated Business Mailing Address February 22, 2011

Registered at 3300 WEBSTER ST, SUITE 212, OAKLAND, CA 946093117 (Tel: 5108359900)

👤
Provider Name / Credentials Updated February 22, 2011

Recorded as JON GREIF, D.O.

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) February 22, 2011

Surgery (License #20A4984 in CA)

🟢
Initial NPI Registration & Enumeration August 31, 2006

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: 1306958095
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: August 31, 2006
Last Update: March 07, 2023
Sole Proprietor: No

Mailing Address

3300 Webster St, Suite 212

Oakland, CA 946093117

Phone: 5108359900

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.