MUIR PULMONARY CRITICAL CARE
NPI 1245225861
Internal Medicine - Pulmonary Disease in Walnut Creek, CA
About Muir Pulmonary Critical Care NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MUIR PULMONARY CRITICAL CARE (NPI 1245225861) is a healthcare organization registered as a pulmonary disease in Walnut Creek, California and active in the NPI registry since September 2005. The organization lists Ramin Khashayar, Physician, as its authorized official.
NPPES Registry Identity
Specialties & Licenses 2
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)
Muir Pulmonary Critical Care is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Clinicians Billing Medicare Through This Organization
15Medicare enrollment records show 15 clinicians reassign Medicare billing to Muir Pulmonary Critical Care, which bills Medicare for the services they deliver. Of these, 11 practice at this address and 13 within 10 miles. They are listed nearest first.
Clinicians by Medicare Specialty 2
Clinicians, nearest first (15)
Walnut Creek, CA 94598
Walnut Creek, CA 94598
Walnut Creek, CA 94598
Walnut Creek, CA 94598
Walnut Creek, CA 94598
Walnut Creek, CA 94598
Walnut Creek, CA 94598
Walnut Creek, CA 94598
Walnut Creek, CA 94598
Walnut Creek, CA 94598
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 Muir Pulmonary Critical Care's NPI number?
The NPI number for Muir Pulmonary Critical Care is 1245225861. It was assigned to this organization in the NPPES registry on September 20, 2005.
Where is Muir Pulmonary Critical Care located?
Muir Pulmonary Critical Care is located at 2700 Ygnacio Valley Rd Ste 100, Walnut Creek, CA 94598. The listed phone number is (925) 939-3050.
What is Muir Pulmonary Critical Care's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Pulmonary Disease, with taxonomy code 207RP1001X.
Is Muir Pulmonary Critical Care enrolled in Medicare?
Yes. Muir Pulmonary Critical Care is registered in the Medicare PECOS enrollment system.
How many clinicians bill Medicare through Muir Pulmonary Critical Care?
According to the CMS Revalidation Reassignment List (October 2026 release), 15 clinicians in 2 Medicare specialties reassign their Medicare billing to Muir Pulmonary Critical Care. 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 Pulmonary Disease (14) and Internal Medicine (1). Of these, 11 practice at this address and 13 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 Muir Pulmonary Critical Care was last updated on April 22, 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.
# Muir Pulmonary Critical Care · NPI 1245225861
Pulmonary Disease organization in Walnut Creek, California. Organization record, active in the CMS NPPES registry since September 20, 2005.
## Identity
- **NPI:** 1245225861 (Entity type: Organization)
- **Enumerated:** September 20, 2005
- **Primary specialty:** Internal Medicine - Pulmonary Disease · taxonomy 207RP1001X
- **Organization subpart:** No
- **Authorized official:** Ramin Khashayar, PHYSICIAN
## Practice location
- **Address:** 2700 YGNACIO VALLEY RD STE 100, Walnut Creek, CA 94598-3462
- **Phone:** (925) 939-3050 · **Fax:** (925) 939-3057
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Clinicians billing through this organization:** 15 clinicians in 2 Medicare specialties reassign Medicare billing to this organization (form CMS-855R); largest: Pulmonary Disease (14), Internal Medicine (1); 11 practice at this address and 13 within 10 miles · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** April 22, 2024
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Source: [NPI Profile](https://npiprofile.com/npi/1245225861) · Data from the CMS NPPES public registry.