National Provider Identifier
William Larsen, FNP
William Larsen, FNP is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner in Ithaca, NY and a listed phone number of (607) 339-0670.
Source: public NPPES record, last updated August 23, 2022. This profile is informational and is not medical advice, a quality rating, or a provider recommendation.
Profile Overview
- NPI
- 1124409099
- Provider Type
- Individual
- Primary Specialty
- Family Nurse Practitioner
- Enumeration Date
- June 16, 2015
- Last Updated
- August 23, 2022
Practice Location
- 905 Hanshaw RD
- Ithaca, NY 14850-1549
Phone: (607) 339-0670
Specialties
- Family Nurse Practitioner (363LF0000X)
Browse Similar Providers
See more providers in the Nurse Practitioner classification in Ithaca, NY.
Medicare Part B Activity
Reported 743 Medicare fee-for-service service lines in 2024.
Peer comparison
Compared to Nurse Practitioner providers in the Ithaca, NY metro area.
This provider is in the 87th percentile for Medicare service volume.
Higher volume than most peers.
Performs 99% more Medicare services than the peer median.
Higher than 47 of 54 peers.
- Activity Percentile
- 87.0%
- Rank by Services
- 7 of 54
- Total Services
- 743
- Est. Allowed Value
- $43,032.37
- 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 Nurse Practitioner 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 Nurse Practitioner across the Ithaca, NY metro area. Taller bars indicate higher service-volume bands. Highlighted bar marks this provider's percentile band.
Observed service range: 12 to 18,668 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
306 services | $31,533.79
- 83036: Hemoglobin a1c level
258 services | $2,389.52
- 99213: Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more
93 services | $6,803.46
- 95251: Continuous monitoring of blood sugar level in tissue fluid using sensor under skin with interpretation and report
86 services | $2,305.60
Full Record
- NPI
- 1124409099
- Entity Type
- Individual
- Last Name
- Larsen
- First Name
- William
- Name Prefix
- Mr.
- Credential
- FNP
- Mailing Street Address
- 905 Hanshaw RD
- Mailing City
- Ithaca
- Mailing State
- NY
- Mailing ZIP Code
- 14850-1549
- Mailing Country
- US
- Mailing Phone
- (607) 339-0670
- Mailing Fax
- (607) 319-5524
- Practice Street Address
- 905 Hanshaw RD
- Practice City
- Ithaca
- Practice State
- NY
- Practice ZIP Code
- 14850-1549
- Practice Country
- US
- Practice Phone
- (607) 339-0670
- Practice Fax
- (607) 319-5524
- Enumeration Date
- June 16, 2015
- Last Updated
- August 23, 2022
- Sex
- Male
- Sole Proprietor
- Yes
- Certification Date
- August 23, 2022
- Taxonomies
- Family Nurse Practitioner (363LF0000X)
- Other Identifiers
- 2734852 (NY, Medicaid Group), 1088 (NY, Total Care Group), 04173960 (NY)