Independent US Healthcare Provider Directory & Public Medical Database
Active NPI 1861666059 Individual Practitioner Male Practitioner

Dr. Daniel Adam Greninger , MD

Ophthalmology • Antioch, CA

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

Dr. Daniel Greninger, MD is a certified Ophthalmology practicing in Antioch, CA. With approximately 18 years of clinical experience since graduating from Js Weill Medical College, Cornell University in 2008, Dr. Greninger delivers high-quality medical care to the local community at 4501 SAND CREEK RD.

Dr. Greninger is affiliated with Permanente Medical Group Inc and accepts Medicare assignment.

Practice Location & Contact Primary Location

Practice Address

4501 Sand Creek Rd

Antioch, CA 945318687

Telephone 9258133349
Fax 9258133341
Associated Practice Facility / Clinic

Medicare Profile & Education

Medical School

Js Weill Medical College, Cornell University

Graduation Year

2008

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Ophthalmology in Antioch, CA

Established Specialist (10-20 Yrs)
Practitioner Clinical Experience
18 Yrs -4.2 yrs vs City Avg
City Avg: 22.2 Yrs
State Avg: 29.5 Yrs
Regional Practice Density
8 Specialists

Practicing in Antioch, CA (3116 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

Clinical Seniority & Experience Comparison

Dr. Greninger (18 Years) 18 Yrs
Antioch Specialty Average (22.2 Years) 22.2 Yrs

Medical Specialties & State Licenses

CMS Verified: 2022-01-13
Ophthalmology Primary Specialty

NUCC Taxonomy Code: 207W00000X

State License CA A109166

An ophthalmologist has the knowledge and professional skills needed to provide comprehensive eye and vision care. Ophthalmologists are medically trained to diagnose, monitor and medically or surgically treat all ocular and visual disorders. This includes problems affecting the eye and its component structures, the eyelids, the orbit and the visual pathways. In so doing, an ophthalmologist prescribes vision services, including glasses and contact lenses.

Ophthalmology

NUCC Taxonomy Code: 207W00000X

State License OR MD157095

An ophthalmologist has the knowledge and professional skills needed to provide comprehensive eye and vision care. Ophthalmologists are medically trained to diagnose, monitor and medically or surgically treat all ocular and visual disorders. This includes problems affecting the eye and its component structures, the eyelids, the orbit and the visual pathways. In so doing, an ophthalmologist prescribes vision services, including glasses and contact lenses.

Hospital & Practice Group Affiliations

Permanente Medical Group Inc

901 Nevin Ave, Richmond, CA 948013143

Phone: 5103071500

Practice Associates & Co-Workers

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

1 Associated Practitioners
NPI 1508274416

Doctor of Optometry

Career & Practice History Timeline

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

7 Historical Events
🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) January 13, 2022

Ophthalmology (License #MD157095 in OR)

NPI Profile Active March 26, 2015

NPI status registered as active in NPPES database

📍
Updated Practice Location March 26, 2015

Registered at 4501 SAND CREEK RD, ANTIOCH, CA 945318687 (Tel: 9258133349)

📍
Updated Business Mailing Address March 26, 2015

Registered at 4501 SAND CREEK RD, ANTIOCH, CA 945318687 (Tel: 9258133349)

👤
Provider Name / Credentials Updated March 26, 2015

Recorded as DANIEL GRENINGER, M.D.

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) March 26, 2015

Ophthalmology (License #A109166 in CA)

🟢
Initial NPI Registration & Enumeration April 17, 2008

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: 1861666059
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: April 17, 2008
Last Update: January 13, 2022
Sole Proprietor: Yes

Mailing Address

4501 Sand Creek Rd

Antioch, CA 945318687

Phone: 9258133349

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.