JOHN M ALLEN CRNA
NPI 1376788042
Nurse Anesthetist, Certified Registered in Phoenix, AZ
About John M Allen Crna NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
JOHN M ALLEN CRNA (NPI 1376788042) is an individual nurse anesthetist, certified registered in Phoenix, Arizona, licensed in Arizona (331810) and active in the NPI registry since December 2008. He is affiliated with Greene County General Hospital and is a graduate of Other (2008).
NPPES Registry Identity
Specialties & Licenses 2
Other Identifiers 2
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
John M Allen Crna 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
3Medicare enrollment records show John Allen reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Richardson, TX 75082
- Reassigned Medicare billing, Arizona enrollment
- 390 clinicians in this Medicare group
Linton, IN 47441
- Reassigned Medicare billing, Indiana enrollment
- 106 clinicians in this Medicare group
Lafayette, IN 47904
- Reassigned Medicare billing, Indiana enrollment
- 671 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.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Greene County General Hospital
Critical Access Hospitals · Linton, INPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 85040 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 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
PHOENIX, AZ 85040
PHOENIX, AZ 85040
PHOENIX, AZ 85040
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 John Allen's NPI number?
The NPI number for John Allen is 1376788042. It was assigned to this individual provider in the NPPES registry on December 10, 2008.
Where is John Allen located?
John Allen practices at 4605 E Elwood St Ste 500, Phoenix, AZ 85040. The listed phone number is (602) 200-9021.
What is John Allen's specialty?
The primary specialty registered for this NPI is Nurse Anesthetist, Certified Registered with taxonomy code 367500000X.
Is John Allen enrolled in Medicare?
Yes. John Allen 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 John Allen's services?
According to the CMS Revalidation Reassignment List (October 2026 release), John Allen reassigns Medicare benefits to 3 organizations: Anesthesia Partners Of Arizona LLC (Richardson, TX), Greene County General Hospital (Linton, IN) and Arnett Clinic, LLC (Lafayette, IN). 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 John Allen's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does John Allen accept?
Health plans from CareSource, Oscar Health, Oscar Health Plan, Inc. and Oscar Insurance Company list John Allen 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.
Is John Allen affiliated with any hospitals?
According to CMS data, John Allen is affiliated with Greene County General Hospital.
When was this NPI record last updated?
The NPPES record for John Allen was last updated on April 28, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 months 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.