DR. NICHOLAS ALLEN STEIN DO
NPI 1396310512
Internal Medicine in Phoenix, AZ
About Dr. Nicholas Allen Stein Do NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. NICHOLAS ALLEN STEIN DO (NPI 1396310512) is an individual internal medicine provider in Phoenix, Arizona, licensed in Arizona (010967) and active in the NPI registry since May 2021. He is enrolled in Medicare PECOS and is a graduate of Midwestern University, Chicago College Of Osteopathic Med (2021).
NPPES Registry Identity
Specialties & Licenses
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
Dr. Nicholas Allen Stein Do 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 Nicholas Stein reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Mesa, AZ 85206
- Reassigned Medicare billing, Arizona enrollment
- 41 clinicians in this Medicare group
Porterville, CA 93257
- Reassigned Medicare billing, California enrollment
- 159 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 4
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.
Other Providers at the Same Location NPPES 4
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 Nicholas Stein's NPI number?
The NPI number for Nicholas Stein is 1396310512. It was assigned to this individual provider in the NPPES registry on May 20, 2021.
Where is Nicholas Stein located?
Nicholas Stein practices at 7301 N 16th St Ste 202, Phoenix, AZ 85020. The listed phone number is (602) 753-2345.
What is Nicholas Stein's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Nicholas Stein enrolled in Medicare?
Yes. Nicholas Stein 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 Nicholas Stein's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Nicholas Stein reassigns Medicare benefits to 2 organizations: Pulmonary Consultants P.C. (Mesa, AZ) and 24 On Physicians Of California, PC (Porterville, CA). 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 Nicholas Stein's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Nicholas Stein was last updated on September 4, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.
# Dr. Nicholas Allen Stein, DO · NPI 1396310512
Internal Medicine physician in Phoenix, Arizona. Individual provider, active in the CMS NPPES registry since May 20, 2021.
## Identity
- **NPI:** 1396310512 (Entity type: Individual)
- **Enumerated:** May 20, 2021
- **Primary specialty:** Internal Medicine · taxonomy 207R00000X
- **State license:** 010967 (Arizona)
- **Sole proprietor:** No
## Practice location
- **Address:** 7301 N 16TH ST STE 202, Phoenix, AZ 85020-5265
- **Phone:** (602) 753-2345
## 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): Pulmonary Consultants P.C. (NPI 1407978091, Mesa, AZ); 24 On Physicians Of California, PC (NPI 1730570565, Porterville, CA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Midwestern University, Chicago College Of Osteopathic Med, class of 2021
## Record status
- **NPPES last updated:** September 4, 2024
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Source: [NPI Profile](https://npiprofile.com/npi/1396310512) · Data from the CMS NPPES public registry.