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JEFFREY G. MACE, M.D.
NPI 1235269374
Internal Medicine - Cardiovascular Disease in Freedom, CA

Active since March 07, 2007CLIA 05D0997323 · Waiver
242 GREEN VALLEY RD, FREEDOM, CA 95019(831) 724-1811(831) 724-1866 Get Directions Write a Review

NPPES record last updated: January 31, 2015. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Jeffrey G. Mace, M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

JEFFREY G. MACE, M.D. (NPI 1235269374) is a healthcare organization registered as a cardiovascular disease in Freedom, California and active in the NPI registry since March 2007. The organization holds a CLIA Waiver certificate valid through March 11, 2028 and lists Jeffrey Gene Mace, President, as its authorized official.

NPPES Registry Identity

NPI1235269374
Entity TypeOrganization
Primary Taxonomy207RC0000X
Legal Business NameJEFFREY G. MACE, M.D., PROFESSIONAL CORPORATION
Location Address242 GREEN VALLEY RDFreedom, CA 95019-3137
Mailing Address598 Browns Valley RdWatsonville, CA 95076-0334 · (831) 724-1811 · Fax (831) 724-1866
Phone(831) 724-1811
Fax(831) 724-1866
Organization SubpartNo
Authorized OfficialJeffrey Gene MacePresident · (831) 724-1811
Enumeration DateMarch 7, 2007
Last NPPES UpdateJanuary 31, 2015
✔ NPI 1235269374 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Cardiovascular DiseaseAllopathic & Osteopathic Physicians
Taxonomy Code207RC0000X
License✔ Licensed in CA · G32527
Definition
An internist who specializes in diseases of the heart and blood vessels and manages complex cardiac conditions such as heart attacks and life-threatening, abnormal heartbeat rhythms.
242 GREEN VALLEY RD, Freedom, CA 95019
Open in Google Maps ↗

Other Names 1

Doing Business AsJeffrey G. Mace, M.d.

Other Identifiers 3

Medicare UPINA45184CA
OtherZZZ22894ZCA · Ptan
Medicaid00G325270CA

Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

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)

Jeffrey G. Mace, M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Medicare Revalidation Due Date

Revalidation due by January 31, 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.

StateEnrollment IDDue date
StateCaliforniaEnrollment IDO20050712000736Non-DME Part B · Clinic/Group PracticeDue dateJanuary 31, 2027
Source: CMS Revalidation Due Date List, October 2026 release.

Clinicians Billing Medicare Through This Organization

Medicare enrollment records show 1 clinician reassigns Medicare billing to Jeffrey G. Mace, M.D., which bills Medicare for the services this clinician delivers.

Clinician (1)

Jeffrey Mace, MD
Cardiovascular Disease (Cardiology)
NPI 1861484511
242 GREEN VALLEY RD
Freedom, CA 95019
(831) 724-1811
✔ PECOSSame address

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 of Waiver 05D0997323

Jeffrey G Mace MD Prof Corp · Freedom, CA
Active · expires Mar 11, 2028
CLIA Number05D0997323
Laboratory TypePhysician Office
Certificate Effective DateMarch 12, 2026
Certificate Expiration DateMarch 11, 2028
Laboratory DirectorJeffrey G. Mace MD
Laboratory Phone(831) 724-1811
Laboratory LocationJeffrey G Mace MD Prof Corp242 Green Valley Rd, Freedom, CA 95019
CLIA data matches this NPI record on: Address Phone
This certificate is issued to a laboratory to perform only waived tests.

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 Jeffrey G. Mace, M.D., Professional Corporation's NPI number?

The NPI number for Jeffrey G. Mace, M.D., Professional Corporation is 1235269374. It was assigned to this organization in the NPPES registry on March 7, 2007. The provider is doing business as Jeffrey G. Mace, M.D..

Where is Jeffrey G. Mace, M.D., Professional Corporation located?

Jeffrey G. Mace, M.D., Professional Corporation is located at 242 Green Valley Rd, Freedom, CA 95019. The listed phone number is (831) 724-1811.

What is Jeffrey G. Mace, M.D., Professional Corporation's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Cardiovascular Disease, with taxonomy code 207RC0000X.

Is Jeffrey G. Mace, M.D., Professional Corporation enrolled in Medicare?

Yes. Jeffrey G. Mace, M.D., Professional Corporation is registered in the Medicare PECOS enrollment system.

When is Jeffrey G. Mace, M.D., Professional Corporation'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 January 31, 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 Jeffrey G. Mace, M.D., Professional Corporation?

According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Cardiovascular Disease (Cardiology)) reassigns their Medicare billing to Jeffrey G. Mace, M.D., 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. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Does Jeffrey G. Mace, M.D., Professional Corporation hold a CLIA laboratory certificate?

Yes. A Certificate of Waiver (number 05D0997323) is associated with this NPI, valid through March 11, 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 Jeffrey G. Mace, M.D., Professional Corporation was last updated on January 31, 2015. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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.