Independent US Healthcare Provider Directory & Public Medical Database
Active NPI 1245696574 Individual Practitioner Female Practitioner

Dr. Lydia Ju-Mi Bernhardt , MD

Neurological Surgery • Baltimore, MD

Professional Overview & Biography Verified Profile Summary

Dr. Lydia Bernhardt, MD is a certified Neurological Surgery practicing in Baltimore, MD. With approximately 7 years of clinical experience since graduating from Johns Hopkins University School Of Medicine in 2019, Dr. Bernhardt delivers high-quality medical care to the local community at 600 N WOLFE ST.

Dr. Bernhardt does not directly accept Medicare assignment.

Practice Location & Contact Primary Location

Practice Address

600 N Wolfe St
The Johns Hopkins Hospital

Baltimore, MD 212870005

Telephone 4109555000
Associated Practice Facility / Clinic
🏢 Johns Hopkins University Facility NPI 1801891080

Medicare Profile & Education

Medical School

Johns Hopkins University School Of Medicine

Graduation Year

2019

Medicare Assignment

Not Specified

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Neurological Surgery in Baltimore, MD

Experienced Practitioner (5-10 Yrs)
Practitioner Clinical Experience
7 Yrs -17.4 yrs vs City Avg
City Avg: 24.4 Yrs
State Avg: 30.9 Yrs
Regional Practice Density
86 Specialists

Practicing in Baltimore, MD (177 Statewide)

Telehealth Adoption Rate
46.5% 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. Bernhardt (7 Years) 7 Yrs
Baltimore Specialty Average (24.4 Years) 24.4 Yrs

Medical Specialties & State Licenses

CMS Verified: 2026-06-25
Neurological Surgery Primary Specialty

NUCC Taxonomy Code: 207T00000X

State License WI 82489

A neurological surgeon provides the operative and non-operative management (i.e., prevention, diagnosis, evaluation, treatment, critical care, and rehabilitation) of disorders of the central, peripheral, and autonomic nervous systems, including their supporting structures and vascular supply; the evaluation and treatment of pathological processes which modify function or activity of the nervous system; and the operative and non-operative management of pain. A neurological surgeon treats patients with disorders of the nervous system; disorders of the brain, meninges, skull, and their blood supply, including the extracranial carotid and vertebral arteries; disorders of the pituitary gland; disorders of the spinal cord, meninges, and vertebral column, including those which may require treatment by spinal fusion or instrumentation; and disorders of the cranial and spinal nerves throughout their distribution.

Student in an Organized Health Care Education/Training Program

NUCC Taxonomy Code: 390200000X

An individual who is enrolled in an organized health care education/training program leading to a degree, certification, registration, and/or licensure to provide health care.

Secondary Practice Locations

2845 Greenbrier Rd

Green Bay, WI 543116519

Phone: 9202888350

Practice Associates & Co-Workers

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

40 Associated Practitioners
Dr. Vanessa Vasquez , MD

Emergency Medicine

NPI 1003131749

Doctor of Medicine (M.D.)

Dr. Suman Paul , MBBS, PhD

Internal Medicine - Medical Oncology

NPI 1003253360

Bachelor of Medicine, Bachelor of Surgery (M.B.B.S.), Doctor of Philosophy (Ph.D.)

Dr. Mian Khalid , MD

Internal Medicine - Gastroenterology

NPI 1003310152

Doctor of Medicine (M.D.)

Jeff Ehresman

Student in an Organized Health Care Education/Training Program

NPI 1003322801
NPI 1003347246

Doctor of Medicine (M.D.)

Evan Fox

Radiology - Neuroradiology

NPI 1003437583

Career & Practice History Timeline

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

16 Historical Events
👤
Provider Name / Credentials Updated June 25, 2026

Recorded as LYDIA BERNHARDT, MD

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) June 25, 2026

Neurological Surgery (License #82489 in WI)

📍
Updated Business Mailing Address March 16, 2026

Registered at 1035 KEPLER DR, GREEN BAY, WI 543118320 (Tel: 9204909046)

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) June 18, 2019

Student in an Organized Health Care Education/Training Program

📍
Updated Business Mailing Address May 28, 2019

Registered at 1800 ORLEANS ST., ZAYED TOWER, MAIL STOP 6007, BALTIMORE, MD 212870010 (Tel: 2409941265)

NPI Profile Active October 30, 2017

NPI status registered as active in NPPES database

📍
Updated Practice Location October 30, 2017

Registered at 600 N WOLFE ST, THE JOHNS HOPKINS HOSPITAL, BALTIMORE, MD 212870005 (Tel: 4109555000)

📍
Updated Business Mailing Address October 30, 2017

Registered at 733 RUTLAND AVENUE, THE JOHNS HOPKINS SCHOOL OF MEDICINE, BALTIMORE, MD 212052109 (Tel: 4109553080)

👤
Provider Name / Credentials Updated October 30, 2017

Recorded as LYDIA BERNHARDT, B.A.

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) October 30, 2017

Student in an Organized Health Care Education/Training Program

NPI Profile Active December 31, 2015

NPI status registered as active in NPPES database

📍
Updated Practice Location December 31, 2015

Registered at 600 N WOLFE ST, THE JOHNS HOPKINS HOSPITAL, BALTIMORE, MD 212870005 (Tel: 4109555000)

📍
Updated Business Mailing Address December 31, 2015

Registered at 733 RUTLAND AVENUE, THE JOHNS HOPKINS SCHOOL OF MEDICINE, BALTIMORE, MD 212052109 (Tel: 4109553080)

👤
Provider Name / Credentials Updated December 31, 2015

Recorded as LYDIA LIANG, B.A.

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) December 31, 2015

Student in an Organized Health Care Education/Training Program

🟢
Initial NPI Registration & Enumeration December 31, 2015

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: 1245696574
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: December 31, 2015
Last Update: June 25, 2026
Sole Proprietor: No

Mailing Address

1035 Kepler Dr

Green Bay, WI 543118320

Phone: 9204909046

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.