National Provider Identifier
Natalie Czuczman Penn, MD
Natalie Czuczman Penn, MD is listed in the NPPES registry with a primary specialty of Gastroenterology Physician in Williamsville, NY and a listed phone number of (716) 626-5250.
Source: public NPPES record, last updated December 07, 2025. This profile is informational and is not medical advice, a quality rating, or a provider recommendation.
Profile Overview
- NPI
- 1588152706
- Provider Type
- Individual
- Primary Specialty
- Gastroenterology Physician
- Enumeration Date
- April 24, 2018
- Last Updated
- December 07, 2025
Practice Location
- 60 Maple RD
- Williamsville, NY 14221-2917
Phone: (716) 626-5250
Mailing Address
- Elm And Carlton St
- Buffalo, NY 14263-0001
Specialties
- Gastroenterology Physician (207RG0100X)
- Student in an Organized Health Care Education/Training Program (390200000X)
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Medicare Part B Activity
Reported 74 Medicare fee-for-service service lines in 2024.
Peer comparison
Compared to Internal Medicine providers in the Buffalo, NY metro area.
This provider is in the 12th percentile for Medicare service volume.
Lower volume than many peers.
Performs 80% fewer Medicare services than the peer median.
Higher than 80 of 665 peers.
- Activity Percentile
- 12.0%
- Rank by Services
- 585 of 665
- Total Services
- 74
- Est. Allowed Value
- $10,147.49
- Dataset Year
- 2024
- 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
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 94,260 total Medicare services.
Top Clinical Services
- 43239: Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope
23 services | $1,912.06
- 99204: New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more
22 services | $3,493.18
- 45385: Removal of polyps or growths of large bowel using an endoscope with mechanical snare
16 services | $3,438.03
- 45380: Biopsy of large bowel using a flexible endoscope
13 services | $1,304.22
Biography
Natalie Penn, MD, is a gastroenterologist with Gastroenterology Associates in Williamsville, New York. She trained at the University of Rochester, where she completed internal medicine residency and then a gastroenterology fellowship; URMC lists her 2024 post-fellowship placement as Gastroenterology Associates in Williamsville. Earlier in her career, she co-authored a Blood study on pevonedistat activity in mantle cell lymphoma.
Full Record
- NPI
- 1588152706
- Entity Type
- Individual
- Last Name
- Penn
- First Name
- Natalie
- Middle Name
- Czuczman
- Name Prefix
- Dr.
- Credential
- MD
- Mailing Street Address
- Elm And Carlton St
- Mailing City
- Buffalo
- Mailing State
- NY
- Mailing ZIP Code
- 14263-0001
- Mailing Country
- US
- Mailing Phone
- (716) 845-2300
- Practice Street Address
- 60 Maple RD
- Practice City
- Williamsville
- Practice State
- NY
- Practice ZIP Code
- 14221-2917
- Practice Country
- US
- Practice Phone
- (716) 626-5250
- Practice Fax
- (716) 204-9743
- Enumeration Date
- April 24, 2018
- Last Updated
- December 07, 2025
- Sex
- Female
- Sole Proprietor
- No
- Certification Date
- December 07, 2025
- Taxonomies
- Gastroenterology Physician (207RG0100X), Student in an Organized Health Care Education/Training Program (390200000X)