STEVEN G NELSON MD
NPI 1902890064
Obstetrics & Gynecology in Phoenix, AZ
About Steven G Nelson Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
STEVEN G NELSON MD (NPI 1902890064) is an individual obstetrics & gynecology provider in Phoenix, Arizona, licensed in Arizona (13731) and active in the NPI registry since September 2005. He is enrolled in Medicare PECOS and is a graduate of University Of Utah School Of Medicine (1981).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 3
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Steven G Nelson Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignment
Medicare enrollment records show Steven Nelson reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Tucson, AZ 85704
- Reassigned Medicare billing, Arizona enrollment
- 157 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims 5
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 85028 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Reported Quality Measures
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
PHOENIX, AZ 85028
PHOENIX, AZ 85028
PHOENIX, AZ 85028
PHOENIX, AZ 85028
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Steven Nelson's NPI number?
The NPI number for Steven Nelson is 1902890064. It was assigned to this individual provider in the NPPES registry on September 6, 2005.
Where is Steven Nelson located?
Steven Nelson practices at 11209 N Tatum Blvd #255, Phoenix, AZ 85028. The listed phone number is (602) 494-5050.
What is Steven Nelson's specialty?
The primary specialty registered for this NPI is Obstetrics & Gynecology with taxonomy code 207V00000X.
Is Steven Nelson enrolled in Medicare?
Yes. Steven Nelson is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organization bills Medicare for Steven Nelson's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Steven Nelson reassigns Medicare benefits to Genesis Ob Gyn PLLC (Tucson, AZ). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Steven Nelson's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Steven Nelson accept?
Health plans from Ambetter from Arizona Complete Health, Blue Cross Blue Shield of Arizona, Cigna HealthCare of Arizona, Inc, Imperial Insurance Companies, Inc. and Oscar Health Plan, Inc. and 1 other insurer list Steven Nelson as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
When was this NPI record last updated?
The NPPES record for Steven Nelson was last updated on July 8, 2011. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.