CHEST AND CRITICAL CARE CONSULTANTS A MEDICAL GROUP
NPI 1407943624
Internal Medicine - Pulmonary Disease in Santa Ana, CA
About Chest And Critical Care Consultants A Medical Group NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
CHEST AND CRITICAL CARE CONSULTANTS A MEDICAL GROUP (NPI 1407943624) is a healthcare organization registered as a pulmonary disease in Santa Ana, California and active in the NPI registry since October 2006. The organization holds a CLIA Waiver certificate valid through October 9, 2027 and lists Narindar Singh, Partner, as its authorized official.
NPPES Registry Identity
Specialties & Licenses 4
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)
Chest And Critical Care Consultants A Medical Group is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Clinicians Billing Medicare Through This Organization
95Medicare enrollment records show 95 clinicians reassign Medicare billing to Chest And Critical Care Consultants A Medical Group, which bills Medicare for the services they deliver. Of these, 2 practice at this address and 67 within 10 miles. Listed here are the 20 practicing nearest to this location.
Clinicians by Medicare Specialty 9
Nearest to this location (20)
See all 95Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
CLIA Laboratory Certificates CMS CLIA
Laboratory certificates issued under the Clinical Laboratory Improvement Amendments (CLIA) program, which sets federal quality standards for human laboratory testing in the United States. There is no official CMS crosswalk between CLIA and NPI numbers; these certificates are associated with this NPI by matching facility names, locations and phone numbers in the CMS CLIA registry.
Certificate of Waiver 05D1074962
Chest And Critical Care Consultants · Santa Ana, CAFrequently 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 Chest And Critical Care Consultants A Medical Group's NPI number?
The NPI number for Chest And Critical Care Consultants A Medical Group is 1407943624. It was assigned to this organization in the NPPES registry on October 8, 2006.
Where is Chest And Critical Care Consultants A Medical Group located?
Chest And Critical Care Consultants A Medical Group is located at 999 N Tustin Ave Ste 1, Santa Ana, CA 92705. The listed phone number is (714) 836-6800.
What is Chest And Critical Care Consultants A Medical Group's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Pulmonary Disease, with taxonomy code 207RP1001X.
Is Chest And Critical Care Consultants A Medical Group enrolled in Medicare?
Yes. Chest And Critical Care Consultants A Medical Group is registered in the Medicare PECOS enrollment system.
How many clinicians bill Medicare through Chest And Critical Care Consultants A Medical Group?
According to the CMS Revalidation Reassignment List (October 2026 release), 95 clinicians in 9 Medicare specialties reassign their Medicare billing to Chest And Critical Care Consultants A Medical Group. 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 Internal Medicine (47), Nurse Practitioner (27) and Pulmonary Disease (8). Of these, 2 practice at this address and 67 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Does Chest And Critical Care Consultants A Medical Group hold a CLIA laboratory certificate?
Yes. A Certificate of Waiver (number 05D1074962) is associated with this NPI, valid through October 9, 2027. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.
When was this NPI record last updated?
The NPPES record for Chest And Critical Care Consultants A Medical Group was last updated on February 21, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.
# Chest And Critical Care Consultants A Medical Group · NPI 1407943624
Pulmonary Disease organization in Santa Ana, California. Organization record, active in the CMS NPPES registry since October 8, 2006.
## Identity
- **NPI:** 1407943624 (Entity type: Organization)
- **Enumerated:** October 8, 2006
- **Primary specialty:** Internal Medicine - Pulmonary Disease · taxonomy 207RP1001X
- **Organization subpart:** Yes (part of Chest And Critical Care Consultants A Medical Group)
- **Authorized official:** Narindar Singh, PARTNER
## Practice location
- **Address:** 999 N TUSTIN AVE STE 1, Santa Ana, CA 92705-3530
- **Phone:** (714) 836-6800 · **Fax:** (714) 836-9966
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Clinicians billing through this organization:** 95 clinicians in 9 Medicare specialties reassign Medicare billing to this organization (form CMS-855R); largest: Internal Medicine (47), Nurse Practitioner (27), Pulmonary Disease (8); 2 practice at this address and 67 within 10 miles; [full list](https://npiprofile.com/npi/1407943624/clinicians) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** February 21, 2023
- **Other identifiers:** Medicaid GR0025652 (CA)
- **CLIA laboratory certificates:** 1 on file
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Source: [NPI Profile](https://npiprofile.com/npi/1407943624) · Data from the CMS NPPES public registry.