DR. JEFFREY JOHN GUTTAS M.D.
NPI 1093726895
Internal Medicine - Cardiovascular Disease in San Mateo, CA

Q: What is Jeffrey Guttas's NPI number?

The NPI number for Jeffrey Guttas is 1093726895. It was assigned to this individual provider in the NPPES registry on August 10, 2006.

Q: What is Jeffrey Guttas'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 Guttas was last updated on October 5, 2011. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 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 10, 2006PECOS EnrolledAccepts Medicare Assignment

82.69/100

CMS Quality Rating

100 S SAN MATEO DR, SUITE 400, SAN MATEO, CA 94401(650) 696-4100(650) 696-4121 Get Directions Write a Review

NPPES record last updated: October 5, 2011. Verified against the NPPES registry weekly; last sync: October 18, 2026.

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About Dr. Jeffrey John Guttas M.d. NPPES

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

DR. JEFFREY JOHN GUTTAS M.D. (NPI 1093726895) is an individual cardiovascular disease provider in San Mateo, California, licensed in California (G612560) and active in the NPI registry since August 2006. He is enrolled in Medicare PECOS and is a graduate of University Of California, Davis School Of Medicine (1982).

NPPES Registry Identity

NPI1093726895

Entity TypeIndividualMale

Primary Taxonomy207RC0000X

Provider Legal NameDR. JEFFREY JOHN GUTTASCredential: M.D.

Location Address100 S SAN MATEO DR, SUITE 400San Mateo, CA 94401-3805

Mailing Address100 S San Mateo Dr, Suite 400San Mateo, CA 94401-3805 · (650) 696-4100 · Fax (650) 696-4121

Phone(650) 696-4100

Fax(650) 696-4121

Sole ProprietorNo

Medical School CMSUniversity Of California, Davis School Of MedicineGraduated 1982

Enumeration DateAugust 10, 2006

Last NPPES UpdateOctober 5, 2011

✔ NPI 1093726895 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 · G612560

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.

100 S SAN MATEO DR, San Mateo, CA 94401

Open in Google Maps ↗

Other Identifiers 3

Medicare UPINF14961CA

Medicare ID-Type Unspecified00G612560CA

Medicaid00G612560CA

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Jeffrey John Guttas M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID7012067465

PECOS Enrollment IDI20090608000623

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 Reassignments

Medicare enrollment records show Jeffrey Guttas reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Jeffrey J. Guttas, M.D. A Medical Corporation

0.2 mi

Cardiovascular Disease

100 S SAN MATEO DR, SUITE 400
San Mateo, CA 94401

Reassigned Medicare billing, California enrollment
Medicare enrollment name: Jeffrey J Guttas MD A Medical Corporation
3 clinicians in this Medicare group

NPI 1891866869 (650) 696-4100

Sutter Bay Medical Foundation

5.2 mi

Ambulatory Surgical

301 INDUSTRIAL RD
San Carlos, CA 94070

Reassigned Medicare billing, California enrollment
Also billed through NPI 1013950807 (California), NPI 1982845186 (California), NPI 1568851327 (California), NPI 1497996524 (California), NPI 1033817168 (California)
393 clinicians in this Medicare group

NPI 1164840088 (650) 596-4200

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 17

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 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.

1,257 services731 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.

169 services147 patients

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213

This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.

122 services112 patients

New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204

This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.

121 services121 patients

Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 93010

A routine electrocardiogram (ECG) with 12 leads is a simple, non-invasive test that records the electrical activity of your heart. It helps in identifying heart conditions by detecting irregularities in your heart rhythms. The results are interpreted and a report is provided.

95 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.

84 services83 patients

Ultrasound study of arm or leg veins with compression and maneuvers 93970

An ultrasound study of arm or leg veins with compression and maneuvers is a non-invasive procedure that uses sound waves to create images of your veins. This helps identify blood clots or other vein problems. During the procedure, pressure is applied to the veins and certain movements are performed to assess blood flow.

82 services80 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.

73 services71 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.

73 services73 patients

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

65 services64 patients

Ultrasound study of one arm or leg veins with compression and maneuvers 93971

This is a non-invasive procedure using sound waves to visualize veins in an arm or leg. It involves applying gentle pressure and performing certain movements. It helps identify any abnormal blood flow or clots, ensuring vascular health.

61 services61 patients

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.

46 services42 patients

Ultrasound of heart during rest, exercise and/or drug-induced stress with report 93350

This procedure involves using ultrasound imaging to view your heart at rest, during exercise, and/or under drug-induced stress. It helps assess how well your heart responds to exertion. A report of the findings is provided after the test.

30 services30 patients

Exercise or drug-induced heart stress test with electrocardiogram (ecg) with supervision by physician 93016

An exercise or drug-induced heart stress test with ECG involves monitoring your heart's activity while it's under stress, either from exercise or medication. A doctor supervises the entire procedure to ensure safety and accuracy in results. This test helps detect heart problems.

29 services29 patients

Exercise or drug-induced heart stress test with electrocardiogram (ecg) with review by physician 93018

An exercise or drug-induced heart stress test with ECG is a procedure to assess how your heart functions under stress. It can involve exercising or medication to make your heart work harder while an ECG records its activity. A physician reviews the results.

29 services29 patients

Ultrasound of both sides of head and neck blood flow 93880

26 services26 patients

New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more 99203

This service involves an initial office or outpatient visit for a new patient. The healthcare professional will spend 30-44 minutes understanding your health history, current issues, and discussing possible treatment plans. It's a comprehensive evaluation to start your healthcare journey.

23 services23 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 94401 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

$153.83 typical visit price

range $69.00 – $202.35

Typical copayment $38.45 (range $17.25 – $50.58)

Most-billed visit code 99204

Established Patient

$84.91 typical visit price

range $23.44 – $166.46

Typical copayment $21.22 (range $5.86 – $41.61)

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.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

82.69/100

MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program

Scored as part of a group practice

Quality

98.54

Promoting Interoperability

100

Improvement Activities

Cost

43.77

Other Providers at the Same Location NPPES 20

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

HARRIET BETH BOROFSKY M.D.

Radiology (Diagnostic Radiology)

100 S SAN MATEO DR
SAN MATEO, CA 94401

San Mateo County (650) 696-4140

SUTTER BAY HOSPITALS

Psychiatric Unit

100 S SAN MATEO DR
SAN MATEO, CA 94401

San Mateo County (650) 696-5400

CLAY HUGHES NAPPER M.D.

Radiology (Diagnostic Radiology)

100 S SAN MATEO DR
SAN MATEO, CA 94401

San Mateo County (650) 696-4515

QUAN MY TRAN DO

Family Medicine

100 S SAN MATEO DR
SAN MATEO, CA 94401

San Mateo County (650) 696-4515

VALERIE NOWAKOWSKI MD

Radiology (Radiation Oncology)

100 S SAN MATEO DR
SAN MATEO, CA 94401

San Mateo County (650) 336-8117

JEFFREY J. GUTTAS. MD, INC.

Allergy & Immunology

100 S SAN MATEO DR, STE 400
SAN MATEO, CA 94401

San Mateo County (650) 696-4101

HAIDEE SUI DPT

Physical Therapist

100 S SAN MATEO DR
SAN MATEO, CA 94401

San Mateo County (650) 696-4315

MS. KIMBERLY J. ERLICH RN CPNP

Nurse Practitioner (Pediatrics)

100 S SAN MATEO DR, 3RD FLOOR, RM 3364
SAN MATEO, CA 94401

San Mateo County (650) 696-4595

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 Guttas's NPI number?

The NPI number for Jeffrey Guttas is 1093726895. It was assigned to this individual provider in the NPPES registry on August 10, 2006.

Where is Jeffrey Guttas located?

Jeffrey Guttas practices at 100 S San Mateo Dr Suite 400, San Mateo, CA 94401. The listed phone number is (650) 696-4100.

What is Jeffrey Guttas's specialty?

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

Is Jeffrey Guttas enrolled in Medicare?

Yes. Jeffrey Guttas is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organizations bill Medicare for Jeffrey Guttas's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Jeffrey Guttas reassigns Medicare benefits to 2 organizations: Jeffrey J. Guttas, M.D. A Medical Corporation (San Mateo, CA) and Sutter Bay Medical Foundation (San Carlos, CA). Each 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 Guttas'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 Guttas was last updated on October 5, 2011. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 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.