DR. JEFFREY G MACE MD
NPI 1861484511
Internal Medicine - Cardiovascular Disease in Freedom, CA

Q: What is Jeffrey Mace's NPI number?

The NPI number for Jeffrey Mace is 1861484511. It was assigned to this individual provider in the NPPES registry on August 18, 2005.

Q: What is Jeffrey Mace's specialty?

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

Q: When was this NPI record last updated?

The NPPES record for Jeffrey Mace was last updated on January 10, 2013. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.

Active since August 18, 2005PECOS Enrolled

242 GREEN VALLEY RD, FREEDOM, CA 95019(831) 724-1811(831) 724-1866 Get Directions Write a Review

NPPES record last updated: January 10, 2013. Verified against the NPPES registry weekly; last sync: October 25, 2026.

On this page

About Dr. Jeffrey G Mace Md NPPES

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

DR. JEFFREY G MACE MD (NPI 1861484511) is an individual cardiovascular disease provider in Freedom, California, licensed in California (G32527) and active in the NPI registry since August 2005. He is enrolled in Medicare PECOS and is a graduate of University Of Wisconsin School Of Medicine (1975).

NPPES Registry Identity

NPI1861484511

Entity TypeIndividualMale

Primary Taxonomy207RC0000X

Provider Legal NameDR. JEFFREY G MACECredential: MD

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

Sole ProprietorYes

Medical School CMSUniversity Of Wisconsin School Of MedicineGraduated 1975

Enumeration DateAugust 18, 2005

Last NPPES UpdateJanuary 10, 2013

✔ NPI 1861484511 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 Identifiers 3

Medicare UPINA45184

Medicare ID-Type Unspecified00G325270CA

Medicaid00G325270CA

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

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

PECOS PAC ID6901991561

PECOS Enrollment IDI20070927000845

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignment

Medicare enrollment records show Jeffrey Mace reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Jeffrey G. Mace, M.D., Professional Corporation

Same address

Cardiovascular Disease

242 GREEN VALLEY RD
Freedom, CA 95019

Reassigned Medicare billing, California enrollment

NPI 1235269374 (831) 724-1811

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 15

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215

This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.

3,197 services119 patients

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214

This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.

979 services43 patients

Blood test, clotting time 85610

A clotting time blood test helps determine how quickly your blood forms clots, a process crucial to stop bleeding. During the test, a small blood sample is taken from your arm. The sample is then analyzed in a lab to see how long it takes for a clot to form.

890 services41 patients

Critical care, first 30-74 minutes 99291

Critical care involves immediate and constant attention by a team of specially-trained health professionals. It's for patients with life-threatening conditions, requiring first 30-74 minutes of intense monitoring and treatment.

445 services52 patients

Injection of drug or substance under skin or into muscle 96372

This procedure involves administering medication directly under the skin or into a muscle. A small needle is used to inject the drug, allowing it to be absorbed quickly into the bloodstream. It's a common method for delivering a variety of medications.

308 services30 patients

Ultrasound of heart with color-depicted blood flow, rate, direction and valve function 93306

This is a heart ultrasound, also known as an echocardiogram. It uses sound waves to create pictures of your heart, showing how blood flows through it. The color depicts the blood flow's speed and direction. It also checks the heart's valves to ensure they're working properly.

137 services87 patients

Ultrasound of both sides of head and neck blood flow 93880

An ultrasound of the head and neck blood flow is a safe, non-invasive procedure that uses sound waves to create images of blood vessels. It helps detect abnormalities like blockages or clots, ensuring optimal blood flow.

93 services69 patients

Ultrasound of arm arteries or artery grafts 93930

An ultrasound of arm arteries or artery grafts involves using sound waves to create images of your arm's blood vessels. This helps evaluate blood flow and detect issues like blockages or narrowing. It's non-invasive, painless, and safe.

90 services59 patients

Ultrasound of heart with continuous electrocardiogram (ecg) during rest, exercise and/or drug induced stress with review and report 93351

This procedure involves using ultrasound technology to create images of your heart while you rest, exercise, or undergo drug-induced stress. An ECG continuously monitors your heart's electrical activity. It helps doctors assess heart health and function.

69 services53 patients

Continuous monitoring of blood sugar level in tissue fluid using sensor under skin with interpretation and report 95251

This procedure involves placing a small sensor under your skin to continuously monitor your blood sugar levels in tissue fluid. The data is interpreted and a report is generated to help manage your diabetes more effectively.

69 services17 patients

Complete ultrasound scan of abdomen 76700

A complete ultrasound scan of the abdomen is a non-invasive imaging procedure. It uses sound waves to produce images of the organs in your abdomen, such as the liver, gallbladder, spleen, pancreas, and kidneys. It helps in diagnosing, monitoring, and planning treatments.

61 services40 patients

Complete ultrasound of aorta, vena cava, groin vessels or bypass grafts 93978

This procedure involves using sound waves to create images of your aorta, vena cava, groin vessels, or bypass grafts. It helps to detect abnormalities or blockages, ensuring your blood flows smoothly. It's painless and non-invasive.

61 services40 patients

Transitional care management services for problem of at least moderate complexity 99495

Transitional care management services focus on coordinating and managing your care after you leave the hospital. For moderate complexity problems, this involves managing your medications, arranging further treatments, and ensuring you have the necessary follow-ups.

56 services33 patients

Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report 93000

An electrocardiogram (ECG) is a non-invasive test that records your heart's electrical activity. Using 12 leads attached to your body, it captures data to help identify heart conditions. A doctor interprets the results and provides a report.

13 services11 patients

Electrocardiogram (ecg) 1 to 3 leads with review by physician 93040

An Electrocardiogram (ECG) is a non-invasive test that records the electrical activity of your heart. It uses 1 to 3 leads (sensors) placed on your skin. A physician reviews the results to assess heart rate, rhythm, and detect any abnormalities.

12 services11 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 95019 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$141.77 typical visit price

range $62.97 – $186.69

Typical copayment $35.44 (range $15.74 – $46.67)

Most-billed visit code 99204

Established Patient

$77.84 typical visit price

range $21.02 – $153.16

Typical copayment $19.46 (range $5.25 – $38.29)

Most-billed visit code 99213

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Referred Medical Equipment & Supplies CMS DME claims 2

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Blood glucose test or reagent strips for home blood glucose monitor, per 50 strips A4253

DME-Other DME · category DE017N

12 suppliers57 claims95 services$6.22 avg. paid by Medicare

Lancets, per box of 100 A4259

DME-Medical/Surgical Supplies · category DA000N

6 suppliers13 claims15 services$1.16 avg. paid by Medicare

Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Other Providers at the Same Location NPPES

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

JEFFREY G. MACE, M.D., PROFESSIONAL CORPORATION

Internal Medicine (Cardiovascular Disease)

242 GREEN VALLEY RD
FREEDOM, CA 95019

Santa Cruz County (831) 724-1811

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 Mace's NPI number?

The NPI number for Jeffrey Mace is 1861484511. It was assigned to this individual provider in the NPPES registry on August 18, 2005.

Where is Jeffrey Mace located?

Jeffrey Mace practices at 242 Green Valley Rd, Freedom, CA 95019. The listed phone number is (831) 724-1811.

What is Jeffrey Mace's specialty?

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

Is Jeffrey Mace enrolled in Medicare?

Yes. Jeffrey Mace is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Jeffrey Mace's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Jeffrey Mace reassigns Medicare benefits to Jeffrey G. Mace, M.D., Professional Corporation (Freedom, CA). The 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 Jeffrey Mace's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Jeffrey Mace was last updated on January 10, 2013. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.