Independent US Healthcare Provider Directory & Public Medical Database
Active NPI 1477012300 Individual Practitioner Male Practitioner

Dr. John Hayward Hammond , MD

Pediatrics • Baltimore, MD

Professional Overview & Biography Verified Profile Summary

Dr. John Hammond, MD is a certified Pediatrics practicing in Baltimore, MD. With approximately 7 years of clinical experience since graduating from Warren Alpert Medical School Of Brown University in 2019, Dr. Hammond delivers high-quality medical care to the local community at 600 N WOLFE ST.

Dr. Hammond is affiliated with Johns Hopkins University and does not directly accept Medicare assignment.

Practice Location & Contact Primary Location

Practice Address

600 N Wolfe St

Baltimore, MD 212870005

Telephone 2482256176
Associated Practice Facility / Clinic
🏢 Johns Hopkins University Facility NPI 1801891080

Medicare Profile & Education

Medical School

Warren Alpert Medical School Of Brown University

Graduation Year

2019

Medicare Assignment

Not Specified

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Pediatrics in Baltimore, MD

Experienced Practitioner (5-10 Yrs)
Practitioner Clinical Experience
7 Yrs -8.5 yrs vs City Avg
City Avg: 15.5 Yrs
State Avg: 25.7 Yrs
Regional Practice Density
540 Specialists

Practicing in Baltimore, MD (1907 Statewide)

Telehealth Adoption Rate
0.4% 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. Hammond (7 Years) 7 Yrs
Baltimore Specialty Average (15.5 Years) 15.5 Yrs

Medical Specialties & State Licenses

CMS Verified: 2025-04-30
Pediatrics Primary Specialty

NUCC Taxonomy Code: 208000000X

State License MD D93745

A pediatrician is concerned with the physical, emotional and social health of children from birth to young adulthood. Care encompasses a broad spectrum of health services ranging from preventive healthcare to the diagnosis and treatment of acute and chronic diseases. A pediatrician deals with biological, social and environmental influences on the developing child, and with the impact of disease and dysfunction on development.

Hospital & Practice Group Affiliations

Johns Hopkins University

4940 Eastern Ave, Baltimore, MD 212242735

Phone: 4105500100

Johns Hopkins University

600 N Wolf St, Baltimore, MD 212870005

Phone: 4109555000

Johns Hopkins University

600 N Wolfe St, Baltimore, MD 212870005

Phone: 4105024340

Practice Associates & Co-Workers

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

40 Associated Practitioners
Pamela Donohue , SCD, PA-C

Physician Assistant - Medical

NPI 1003014127

SCD, Physician Assistant (Certified)

NPI 1003066549

Master of Science, Physician Assistant (Certified)

Dr. Sabrina Sopha , MD

Pathology - Anatomic Pathology & Clinical Pathology

NPI 1003080797

Doctor of Medicine (M.D.)

Sandra King , DH

Dental Hygienist

NPI 1003153735
Theresa Ruddy , CPNP, CRNP

Nurse Practitioner - Acute Care

NPI 1003189861

Certified Pediatric Nurse Practitioner, Certified Registered Nurse Practitioner

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.)

Career & Practice History Timeline

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

9 Historical Events
📍
Updated Business Mailing Address April 30, 2025

Registered at 6201 GREENLEIGH AVE, BALTIMORE, MD 212202004 (Tel: 4109336423)

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) April 30, 2025

Pediatrics (License #D93745 in MD)

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

Student in an Organized Health Care Education/Training Program

NPI Profile Active March 19, 2019

NPI status registered as active in NPPES database

📍
Updated Practice Location March 19, 2019

Registered at 600 N WOLFE ST, BALTIMORE, MD 212870005 (Tel: 2482256176)

📍
Updated Business Mailing Address March 19, 2019

Registered at 600 N WOLFE ST, BALTIMORE, MD 212870005

👤
Provider Name / Credentials Updated March 19, 2019

Recorded as JOHN HAMMOND, MD

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) March 19, 2019

Pediatrics (License #3280 in MI)

🟢
Initial NPI Registration & Enumeration March 19, 2019

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: 1477012300
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: March 19, 2019
Last Update: April 30, 2025
Sole Proprietor: No

Mailing Address

6201 Greenleigh Ave

Baltimore, MD 212202004

Phone: 4109336423

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.