National Provider Identifier

Mark Richard Zambron, MD

Mark Richard Zambron, MD is listed in the NPPES registry with a primary specialty of Internal Medicine Physician in Buffalo, NY and a listed phone number of (716) 847-2441.

NPI 1669435103Buffalo, NYInternal Medicine Physician

Source: public NPPES record, last updated September 19, 2025. This profile is informational and is not medical advice, a quality rating, or a provider recommendation.

Profile Overview

NPI
1669435103
Provider Type
Individual
Primary Specialty
Internal Medicine Physician
Enumeration Date
April 07, 2006
Last Updated
September 19, 2025

Practice Location

  • 800 Hertel Ave Ste 100
  • Buffalo, NY 14207-1906

Phone: (716) 847-2441

Mailing Address

  • 206 S Elmwood Ave
  • Buffalo, NY 14201-2398

Specialties

  • Internal Medicine Physician (207R00000X)
  • Pediatrics Physician (208000000X)

Browse Similar Providers

See more Internal Medicine providers in Buffalo, NY.

Open Internal Medicine providers in Buffalo, NY

Medicare Part B Activity

Reported 129 Medicare fee-for-service service lines in 2023.

Peer comparison

Compared to Internal Medicine providers in the Buffalo, NY metro area.

This provider is in the 20th percentile for Medicare service volume.

Lower volume than many peers.

Performs 64% fewer Medicare services than the peer median.

Higher than 132 of 665 peers.

Activity Percentile
19.8%
Rank by Services
533 of 665
Total Services
129
Est. Allowed Value
$11,690.32
Dataset Year
2023
Drug Code Share
0.0%

Estimated allowed value reflects Medicare fee-for-service allowed amounts only. It does not include Medicare Advantage, commercial insurance, cash-pay services, or employment compensation.

Peers are grouped by the broader Internal Medicine classification rather than the exact subspecialty label shown elsewhere on the page.

Percentile distribution

Lowest-volume peersThis providerHighest-volume peers
0%10%20%30%40%50%60%70%80%90%+

Each bar represents a 10-point percentile band of peers by total Medicare services for Internal Medicine across the Buffalo, NY metro area. Taller bars indicate higher service-volume bands. Highlighted bar marks this provider's percentile band.

Observed service range: 11 to 91,321 total Medicare services.

Top Clinical Services

Biography

Dr. Mark Zambron is a Buffalo-based medicine-pediatrics physician with Evergreen Health and a clinical assistant professor in internal medicine and pediatrics at the University at Buffalo Jacobs School of Medicine and Biomedical Sciences. His practice focuses on caring for children and adults, with particular emphasis on individuals with developmental disabilities, drawing on more than a decade of primary care work in an underserved Buffalo setting. UB’s faculty profile also highlights his academic work on advance care planning and decision-making capacity for adults with developmental disabilities, along with his teaching of medical students and residents.

Full Record
NPI
1669435103
Entity Type
Individual
Last Name
Zambron
First Name
Mark
Middle Name
Richard
Name Prefix
Dr.
Credential
MD
Mailing Street Address
206 S Elmwood Ave
Mailing City
Buffalo
Mailing State
NY
Mailing ZIP Code
14201-2398
Mailing Country
US
Mailing Phone
(716) 847-2441
Practice Street Address
800 Hertel Ave Ste 100
Practice City
Buffalo
Practice State
NY
Practice ZIP Code
14207-1906
Practice Country
US
Practice Phone
(716) 847-2441
Enumeration Date
April 07, 2006
Last Updated
September 19, 2025
Sex
Male
Sole Proprietor
No
Certification Date
September 19, 2025
updated_by_file
npidata_pfile_20050523-20260308.csv
Taxonomies
Internal Medicine Physician (207R00000X), Pediatrics Physician (208000000X)