RAMIN ASHTIANI, MD A PROFESSIONAL CORPORATION
NPI 1538324645
Specialist in Apple Valley, CA
About Ramin Ashtiani, Md A Professional Corporation NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
RAMIN ASHTIANI, MD A PROFESSIONAL CORPORATION (NPI 1538324645) is a healthcare organization registered as a specialist in Apple Valley, California and active in the NPI registry since July 2008. The organization lists Ramin Ashtiani, Owner, as its authorized official.
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 1
Group Practice 1
Medicare Participation & PECOS CMS
Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Ramin Ashtiani, Md A Professional Corporation is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Clinicians Billing Medicare Through This Organization
5Medicare enrollment records show 5 clinicians reassign Medicare billing to Ramin Ashtiani, MD A Professional Corporation, which bills Medicare for the services they deliver. Of these, 5 practice within 10 miles. They are listed nearest first.
Clinicians, nearest first (5)
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
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 Ramin Ashtiani, MD A Professional Corporation's NPI number?
The NPI number for Ramin Ashtiani, MD A Professional Corporation is 1538324645. It was assigned to this organization in the NPPES registry on July 29, 2008.
Where is Ramin Ashtiani, MD A Professional Corporation located?
Ramin Ashtiani, MD A Professional Corporation is located at 18231 Us Highway 18 Ste 5, Apple Valley, CA 92307. The listed phone number is (760) 946-5177.
What is Ramin Ashtiani, MD A Professional Corporation's specialty?
The primary specialty registered for this NPI is Specialist with taxonomy code 174400000X.
Is Ramin Ashtiani, MD A Professional Corporation enrolled in Medicare?
Yes. Ramin Ashtiani, MD A Professional Corporation is registered in the Medicare PECOS enrollment system.
How many clinicians bill Medicare through Ramin Ashtiani, MD A Professional Corporation?
According to the CMS Revalidation Reassignment List (October 2026 release), 5 clinicians in 3 Medicare specialties reassign their Medicare billing to Ramin Ashtiani, MD A Professional Corporation. A 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 the clinician's services. The largest specialties are Nurse Practitioner (3), Cardiac Electrophysiology (1) and Cardiovascular Disease (Cardiology) (1). Of these, 5 practice within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
When was this NPI record last updated?
The NPPES record for Ramin Ashtiani, MD A Professional Corporation was last updated on June 18, 2009. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 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.
# Ramin Ashtiani, Md A Professional Corporation · NPI 1538324645
Specialist organization in Apple Valley, California. Organization record, active in the CMS NPPES registry since July 29, 2008.
## Identity
- **NPI:** 1538324645 (Entity type: Organization)
- **Enumerated:** July 29, 2008
- **Primary specialty:** Specialist · taxonomy 174400000X
- **Organization subpart:** No
- **Authorized official:** Ramin Ashtiani, OWNER
## Practice location
- **Address:** 18231 US HIGHWAY 18, STE 5, Apple Valley, CA 92307-2213
- **Phone:** (760) 946-5177 · **Fax:** (760) 946-5133
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Clinicians billing through this organization:** 5 clinicians in 3 Medicare specialties reassign Medicare billing to this organization (form CMS-855R); largest: Nurse Practitioner (3), Cardiac Electrophysiology (1), Cardiovascular Disease (Cardiology) (1); 5 practice within 10 miles · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** June 18, 2009
- **Other identifiers:** Medicare PIN AT146 (CA)
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Source: [NPI Profile](https://npiprofile.com/npi/1538324645) · Data from the CMS NPPES public registry.