National Provider Identifier
Margaret Geertsen, ACNP
Margaret Geertsen, ACNP is listed in the NPPES registry with a primary specialty of Acute Care Nurse Practitioner in Gilbert, AZ and a listed phone number of (480) 256-6444.
Source: public NPPES record, last updated August 14, 2025. This profile is informational and is not medical advice, a quality rating, or a provider recommendation.
Profile Overview
- NPI
- 1154932051
- Provider Type
- Individual
- Primary Specialty
- Acute Care Nurse Practitioner
- Enumeration Date
- August 13, 2020
- Last Updated
- August 14, 2025
Practice Location
- 2946 E Banner Gateway Dr
- Gilbert, AZ 85234
Phone: (480) 256-6444
Mailing Address
- 2946 E Banner Gateway Drive
- Gilbert, AZ 85234
Specialties
- Acute Care Nurse Practitioner (363LA2100X)
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Medicare Part B Activity
Reported 119 Medicare fee-for-service service lines in 2024.
Peer comparison
Compared to Nurse Practitioner providers in the Phoenix, AZ metro area.
This provider is in the 36th percentile for Medicare service volume.
Lower volume than many peers.
Performs 43% fewer Medicare services than the peer median.
Higher than 1,023 of 2,838 peers.
- Activity Percentile
- 36.0%
- Rank by Services
- 1,810 of 2,838
- Total Services
- 119
- Est. Allowed Value
- $9,248.78
- 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 Phoenix, AZ metro area. Taller bars indicate higher service-volume bands. Highlighted bar marks this provider's percentile band.
Observed service range: 11 to 191,949 total Medicare services.
Top Clinical Services
- 99232: Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes
68 services | $4,350.13
- 99233: Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes
51 services | $4,898.65
Biography
Margaret Geertsen, ACNP, is an acute care nurse practitioner in Gilbert, Arizona, with a listed affiliation to Banner Gateway Medical Center. Public professional sources for additional training, faculty, leadership, or research background were not readily available.
Full Record
- NPI
- 1154932051
- Entity Type
- Individual
- Last Name
- Geertsen
- First Name
- Margaret
- Name Prefix
- Mrs.
- Credential
- ACNP
- Mailing Street Address
- 2946 E Banner Gateway Drive
- Mailing City
- Gilbert
- Mailing State
- AZ
- Mailing ZIP Code
- 85234
- Mailing Country
- US
- Mailing Phone
- (480) 256-6444
- Mailing Fax
- (480) 256-3682
- Practice Street Address
- 2946 E Banner Gateway Dr
- Practice City
- Gilbert
- Practice State
- AZ
- Practice ZIP Code
- 85234
- Practice Country
- US
- Practice Phone
- (480) 256-6444
- Practice Fax
- (480) 256-3359
- Enumeration Date
- August 13, 2020
- Last Updated
- August 14, 2025
- Sex
- Female
- Sole Proprietor
- No
- Certification Date
- February 06, 2023
- Taxonomies
- Acute Care Nurse Practitioner (363LA2100X)