Independent US Healthcare Provider Directory & Public Medical Database
Active NPI 1710975040 Individual Practitioner Male Practitioner

Dr. John E Herring , MD

Internal Medicine • Olney, MD

Professional Overview & Biography Verified Profile Summary

Dr. John Herring, MD is a registered healthcare professional specializing in Internal Medicine in Olney, MD. Practice services are available at 18101 PRINCE PHILIP DR under active NPI credentials.

Frequently performed procedures and clinical services include emergency department visit with moderate level of medical decision making, emergency department visit for life threatening or functioning severity, interpretation and report of electrical activity of heart using 1-3 leads. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

18101 Prince Philip Dr

Olney, MD 208321514

Telephone 3017748900
Fax 3015708574
Associated Practice Facility / Clinic

Specialty Benchmarks & Practice Insights

Comparative analytics for Internal Medicine in Olney, MD

Active Practitioner
Practitioner Clinical Experience
Active
City Avg: 24.8 Yrs
State Avg: 28.1 Yrs
Regional Practice Density
28 Specialists

Practicing in Olney, MD (4114 Statewide)

Telehealth Adoption Rate
39.3% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount
86.3% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Performed Procedures & Service Volume

Top Medicare Part B procedures performed by this practitioner

CMS Official Data (2019)
Reporting Year:
HCPCS Code & Description Services Patients Submitted Charge Medicare Allowed
99284 Emergency department visit with moderate level of medical decision making
13 13 $936.92 $128.10

Medical Specialties & State Licenses

Internal Medicine Primary Specialty

NUCC Taxonomy Code: 207R00000X

State License MD D0030414

A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.

Practice Associates & Co-Workers

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

16 Associated Practitioners
Paul Burke , PA-C

Physician Assistant

NPI 1053388132

Physician Assistant (Certified)

Dr. Jeremy Graf , MD

Emergency Medicine

NPI 1104817873

Doctor of Medicine (M.D.)

Nicole Davis , PA

Physician Assistant - Medical

NPI 1124391883

Physician Assistant

Tiffany Whitehead , PA

Physician Assistant

NPI 1265491013

Physician Assistant

Darrell Kontz , PA

Physician Assistant

NPI 1275692113

Physician Assistant

Dr. Kerri Suissa , MD

Emergency Medicine

NPI 1417946112

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 July 08, 2007

NPI status registered as active in NPPES database

📍
Updated Practice Location July 08, 2007

Registered at 18101 PRINCE PHILIP DR, OLNEY, MD 208321514 (Tel: 3017748900)

📍
Updated Business Mailing Address July 08, 2007

Registered at 1300 PICCARD DR, SUITE 202, ROCKVILLE, MD 208504303 (Tel: 3109217900)

👤
Provider Name / Credentials Updated July 08, 2007

Recorded as JOHN HERRING, MD

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

Internal Medicine (License #D0030414 in MD)

🟢
Initial NPI Registration & Enumeration October 11, 2005

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: 1710975040
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: October 11, 2005
Last Update: July 13, 2026
Sole Proprietor: No

Mailing Address

1300 Piccard Dr, Suite 202

Rockville, MD 208504303

Phone: 3109217900

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.