National Provider Identifier
Karen Ashley Kruzer, MD
Karen Ashley Kruzer, MD is listed in the NPPES registry with a primary specialty of Rheumatology Physician in Rochester, NY and a listed phone number of (585) 275-2874.
Source: public NPPES record, last updated May 23, 2025. This profile is informational and is not medical advice, a quality rating, or a provider recommendation.
Profile Overview
- NPI
- 1669036109
- Provider Type
- Individual
- Primary Specialty
- Rheumatology Physician
- Enumeration Date
- April 30, 2019
- Last Updated
- May 23, 2025
Practice Location
- 601 Elmwood Ave
- Rochester, NY 14642-0001
Phone: (585) 275-2874
Specialties
- Rheumatology Physician (207RR0500X)
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Medicare Part B Activity
Reported 14 Medicare fee-for-service service lines in 2024.
Peer comparison
Compared to Internal Medicine providers in the Rochester, NY metro area.
This provider is in the 1st percentile for Medicare service volume.
Lower volume than many peers.
Performs 95% fewer Medicare services than the peer median.
Higher than 9 of 858 peers.
- Activity Percentile
- 1.0%
- Rank by Services
- 847 of 858
- Total Services
- 14
- Est. Allowed Value
- $1,153.48
- 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 Rochester, NY metro area. Taller bars indicate higher service-volume bands. Highlighted bar marks this provider's percentile band.
Observed service range: 11 to 6,379 total Medicare services.
Top Clinical Services
- 99214: Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more
14 services | $1,153.48
Biography
Karen A. Kruzer, MD, MA, is an adult rheumatologist with UR Medicine and an Assistant Professor of Medicine in Allergy, Immunology and Rheumatology. She completed internal medicine residency and rheumatology fellowship at the University of Rochester Medical Center after earning her MD from Case Western Reserve University, and her clinical and research interests focus on autoimmune connective tissue disease, Raynaud’s phenomenon, systemic sclerosis, and nailfold video-capillaroscopy; URMC notes she has additional capillaroscopy training through EULAR and programs in Austria and Brazil.
Full Record
- NPI
- 1669036109
- Entity Type
- Individual
- Last Name
- Kruzer
- First Name
- Karen
- Middle Name
- Ashley
- Name Prefix
- Dr.
- Credential
- MD
- Mailing Street Address
- 601 Elmwood Ave
- Mailing City
- Rochester
- Mailing State
- NY
- Mailing ZIP Code
- 14642-0001
- Mailing Country
- US
- Practice Street Address
- 601 Elmwood Ave
- Practice City
- Rochester
- Practice State
- NY
- Practice ZIP Code
- 14642-0001
- Practice Country
- US
- Practice Phone
- (585) 275-2874
- Enumeration Date
- April 30, 2019
- Last Updated
- May 23, 2025
- Sex
- Female
- Sole Proprietor
- No
- Certification Date
- May 23, 2025
- Taxonomies
- Rheumatology Physician (207RR0500X)