LAKEWEST MEDICAL ASSOCIATES
NPI 1851457485
Family Medicine in Rancho Santa Margarita, CA
About Lakewest Medical Associates NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
LAKEWEST MEDICAL ASSOCIATES (NPI 1851457485) is a healthcare organization registered as a family medicine in Rancho Santa Margarita, California and active in the NPI registry since December 2006. The organization holds a CLIA Microscopy certificate valid through August 31, 2028 and lists Hector Gustavo Ramirez, President, as its authorized official.
NPPES Registry Identity
Specialties & Licenses
Other Names 1
Other Identifiers 3
Group Practice 1
Medicare Participation & PECOS CMS
Medicare enrollment, revalidation and the clinicians who bill Medicare through this organization, from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Lakewest Medical Associates is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Revalidation Due Date
Revalidation due by February 28, 2027
Medicare-enrolled providers and suppliers confirm their enrollment information with CMS on a set cycle, every 5 years for most and every 3 years for medical equipment suppliers. CMS sets the due date for each enrollment.
Clinicians Billing Medicare Through This Organization
Medicare enrollment records show 1 clinician reassigns Medicare billing to Lakewest Medical Associates, which bills Medicare for the services this clinician delivers.
Clinician (1)
Rancho Santa Margarita, CA 92688
Source: 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 for Provider-Performed Microscopy Procedures (PPMP) 05D0863287
Lake West Medical Associates · Rancho Santa Margarita, 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 Hector G. Ramirez, M.D., Inc.'s NPI number?
The NPI number for Hector G. Ramirez, M.D., Inc. is 1851457485. It was assigned to this organization in the NPPES registry on December 28, 2006. The provider is doing business as Lakewest Medical Associates.
Where is Hector G. Ramirez, M.D., Inc. located?
Hector G. Ramirez, M.D., Inc. is located at 29833 Santa Margarita Pkwy Ste. 200, Rancho Santa Margarita, CA 92688. The listed phone number is (949) 858-8652.
What is Hector G. Ramirez, M.D., Inc.'s specialty?
The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.
Is Hector G. Ramirez, M.D., Inc. enrolled in Medicare?
Yes. Hector G. Ramirez, M.D., Inc. is registered in the Medicare PECOS enrollment system.
When is Hector G. Ramirez, M.D., Inc.'s Medicare revalidation due?
According to the CMS Revalidation Due Date List (October 2026 release), the Medicare Non-DME Part B enrollment for this organization (California, Clinic/Group Practice) is due for revalidation by February 28, 2027. Medicare providers and suppliers revalidate their enrollment every 5 years, and medical equipment suppliers every 3 years. Confirm current requirements with your Medicare Administrative Contractor.
How many clinicians bill Medicare through Hector G. Ramirez, M.D., Inc.?
According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (General Practice) reassigns their Medicare billing to Hector G. Ramirez, M.D., Inc.. 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. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Does Hector G. Ramirez, M.D., Inc. hold a CLIA laboratory certificate?
Yes. A Certificate for Provider-Performed Microscopy Procedures (PPMP) (number 05D0863287) is associated with this NPI, valid through August 31, 2028. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.
When was this NPI record last updated?
The NPPES record for Hector G. Ramirez, M.D., Inc. was last updated on February 22, 2012. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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.
# Lakewest Medical Associates · NPI 1851457485
Family Medicine organization in Rancho Santa Margarita, California. Organization record, active in the CMS NPPES registry since December 28, 2006.
## Identity
- **NPI:** 1851457485 (Entity type: Organization)
- **Enumerated:** December 28, 2006
- **Primary specialty:** Family Medicine · taxonomy 207Q00000X
- **Legal business name:** Hector G. Ramirez, M.d., Inc.
- **Organization subpart:** No
- **Authorized official:** Hector Ramirez, PRESIDENT
## Practice location
- **Address:** 29833 SANTA MARGARITA PKWY, STE. 200, Rancho Santa Margarita, CA 92688-3619
- **Phone:** (949) 858-8652 · **Fax:** (949) 858-0162
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Medicare revalidation due:** February 28, 2027 (Non-DME Part B, California, Clinic/Group Practice) · CMS Revalidation Due Date List, October 2026 release
- **Clinicians billing through this organization:** 1 clinician (General Practice) reassigns Medicare billing to this organization (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** February 22, 2012
- **Other identifiers:** Other 1831282300 (CA); Medicare UPIN E48074 (CA); Medicare ID-Type Unspecified W11487 (CA)
- **CLIA laboratory certificates:** 1 on file
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Source: [NPI Profile](https://npiprofile.com/npi/1851457485) · Data from the CMS NPPES public registry.