DR. MICHAEL ANDREW PIETILA MD
NPI 1851315097
Family Medicine in Santa Ana, CA
About Dr. Michael Andrew Pietila Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. MICHAEL ANDREW PIETILA MD (NPI 1851315097) is an individual family medicine provider in Santa Ana, California, licensed in California (G83379) and active in the NPI registry since July 2006. He is enrolled in Medicare PECOS, maintains 2 additional practice locations, and is a graduate of Loyola University Of Chicago, Stritch School Of Medicine (1993).
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Locations 2
Other Identifiers 1
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. Michael Andrew Pietila 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 Reassignments
3Medicare enrollment records show Michael Pietila reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Costa Mesa, CA 92626
- Reassigned Medicare billing, California enrollment
- 103 clinicians in this Medicare group
Costa Mesa, CA 92626
- Reassigned Medicare billing, California enrollment
- 194 clinicians in this Medicare group
Costa Mesa, CA 92626
- Reassigned Medicare billing, California enrollment
- 36 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 8
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 92704 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Referred Medical Equipment & Supplies CMS DME claims 10
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
Other Providers at the Same Location NPPES 5
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
SANTA ANA, CA 92704
SANTA ANA, CA 92704
SANTA ANA, CA 92704
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 Michael Pietila's NPI number?
The NPI number for Michael Pietila is 1851315097. It was assigned to this individual provider in the NPPES registry on July 27, 2006.
Where is Michael Pietila located?
Michael Pietila practices at 3401 W Sunflower Ave Ste 250, Santa Ana, CA 92704. The listed phone number is (888) 789-9585.
What is Michael Pietila's specialty?
The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.
Is Michael Pietila enrolled in Medicare?
Yes. Michael Pietila 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 Michael Pietila's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Michael Pietila reassigns Medicare benefits to 3 organizations: Gn Medical Associates, Inc. (Costa Mesa, CA), Careconnectmd Ca PC (Costa Mesa, CA) and Care Partners California Medical PC (Costa Mesa, 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 Michael Pietila'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 Michael Pietila was last updated on October 20, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.