STEVEN P PARKER M.D.
NPI 1841287794
Internal Medicine in Phoenix, AZ
About Steven P Parker M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
STEVEN P PARKER M.D. (NPI 1841287794) is an individual internal medicine provider in Phoenix, Arizona, licensed in Arizona (29606) and active in the NPI registry since October 2005. He is enrolled in Medicare PECOS and is a graduate of University Of Oklahoma College Of Medicine (1981).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 5
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 P Parker M.d. 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 Reassignments
2Medicare enrollment records show Steven Parker reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Phoenix, AZ 85020
- Reassigned Medicare billing, Arizona enrollment
- 124 clinicians in this Medicare group
Glendale, AZ 85306
- Reassigned Medicare billing, Arizona enrollment
- 38 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 3
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 85020 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.
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 85020
PHOENIX, AZ 85020
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 Parker's NPI number?
The NPI number for Steven Parker is 1841287794. It was assigned to this individual provider in the NPPES registry on October 4, 2005.
Where is Steven Parker located?
Steven Parker practices at 9225 N 3rd St 300, Phoenix, AZ 85020. The listed phone number is (602) 445-0751.
What is Steven Parker's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Steven Parker enrolled in Medicare?
Yes. Steven Parker 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 organizations bill Medicare for Steven Parker's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Steven Parker reassigns Medicare benefits to 2 organizations: Affiliated Hospitalists, Plc (Phoenix, AZ) and Scottsdale Inpatient Specialists, Plc (Glendale, AZ). Each 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 Parker's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Steven Parker accept?
Health plans from Cigna HealthCare of Arizona, Inc and Oscar Health Plan, Inc. list Steven Parker 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 Parker was last updated on April 8, 2016. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.
# Steven P Parker, M.D. · NPI 1841287794
Internal Medicine physician in Phoenix, Arizona. Individual provider, active in the CMS NPPES registry since October 4, 2005.
## Identity
- **NPI:** 1841287794 (Entity type: Individual)
- **Enumerated:** October 4, 2005
- **Primary specialty:** Internal Medicine · taxonomy 207R00000X
- **State license:** 29606 (Arizona)
- **Sole proprietor:** No
## Practice location
- **Address:** 9225 N 3RD ST, 300, Phoenix, AZ 85020-2439
- **Phone:** (602) 445-0751 · **Fax:** (602) 424-8128
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 2 organizations under Medicare reassignment (form CMS-855R): Affiliated Hospitalists, Plc (NPI 1265546261, Phoenix, AZ); Scottsdale Inpatient Specialists, Plc (NPI 1376286088, Glendale, AZ) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Oklahoma College Of Medicine, class of 1981
## Record status
- **NPPES last updated:** April 8, 2016
- **Other identifiers:** Medicare UPIN C20202; Medicare PIN Z101090 (AZ); Medicare PIN Z75783; and 2 more
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Source: [NPI Profile](https://npiprofile.com/npi/1841287794) · Data from the CMS NPPES public registry.