Independent US Healthcare Provider Directory & Public Medical Database
Active NPI 1023078334 Individual Practitioner Male Practitioner

Dr. Lawrence Greitzer , MD

Pediatrics • Chatham, NY

Professional Overview & Biography Verified Profile Summary

Dr. Lawrence Greitzer, MD is a registered healthcare professional specializing in Pediatrics in Chatham, NY. Practice services are available at 29 JONES AVE under active NPI credentials.

Practice Location & Contact Primary Location

Practice Address

29 Jones Ave

Chatham, NY 120371136

Telephone 5183922277
Fax 5183927883
Associated Practice Facility / Clinic
🏢 Joseph P. Lalka Md Pc Facility NPI 1265557151

Specialty Benchmarks & Practice Insights

Comparative analytics for Pediatrics in Chatham, NY

Active Practitioner
Practitioner Clinical Experience
Active
City Avg: 10.5 Yrs
State Avg: 24.1 Yrs
Regional Practice Density
2 Specialists

Practicing in Chatham, NY (6127 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

Medical Specialties & State Licenses

Pediatrics Primary Specialty

NUCC Taxonomy Code: 208000000X

State License NY 119818

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.

Additional State Medicaid & Healthcare Payer Identifiers

Medicaid State Provider ID
00461216 (NY)

Practice Associates & Co-Workers

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

6 Associated Practitioners
NPI 1114533874

PHYSICIANASSISTANT

Emily Rapasadi , PA-C

Physician Assistant - Medical

NPI 1346655354

Physician Assistant (Certified)

Linda Van Der Meulen , RPA-C

Physician Assistant

NPI 1558394742

RPAC

Nadja Garland , FNP-BC

Nurse Practitioner - Family

NPI 1609360809

Family Nurse Practitioner (Board Certified)

NPI 1700847902

Doctor of Medicine (M.D.)

Margot Swartz , PA

Physician Assistant

NPI 1801241427

Physician Assistant

Career & Practice History Timeline

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

6 Historical Events
NPI Profile Active July 09, 2007

NPI status registered as active in NPPES database

📍
Updated Practice Location July 09, 2007

Registered at 29 JONES AVE, CHATHAM, NY 120371136 (Tel: 5183922277)

📍
Updated Business Mailing Address July 09, 2007

Registered at 29 JONES AVE, CHATHAM, NY 120371136 (Tel: 5183922277)

👤
Provider Name / Credentials Updated July 09, 2007

Recorded as LAWRENCE GREITZER, MD

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) July 09, 2007

Pediatrics (License #119818 in NY)

🟢
Initial NPI Registration & Enumeration March 23, 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: 1023078334
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: March 23, 2006
Last Update: July 13, 2026
Sole Proprietor: No

Mailing Address

29 Jones Ave

Chatham, NY 120371136

Phone: 5183922277

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.