JOHN DEAN BAKER M.D.
NPI 1124022850
Internal Medicine - Interventional Cardiology in Santa Ana, CA

Active since June 10, 2005PECOS EnrolledAccepts Medicare Assignment
801 N TUSTIN AVE STE 706, SANTA ANA, CA 92705(714) 568-6600(714) 245-0260 Get Directions Write a Review

NPPES record last updated: February 26, 2020. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Feb 26, 2020, Feb 21, 2019 (2 updates tracked since 2019).

About John Dean Baker M.d. NPPES

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

JOHN DEAN BAKER M.D. (NPI 1124022850) is an individual interventional cardiology provider in Santa Ana, California, licensed in California (G65259) and active in the NPI registry since June 2005. He is enrolled in Medicare PECOS and is a graduate of University Of Southern California Keck School Of Medicine (1987).

NPPES Registry Identity

NPI1124022850
Entity TypeIndividualMale
Primary Taxonomy207RI0011X
Provider Legal NameJOHN DEAN BAKERCredential: M.D.
Location Address801 N TUSTIN AVE STE 706Santa Ana, CA 92705-3611
Mailing AddressPo Box 51626Irvine, CA 92619-1626 · (714) 568-6600 · Fax (714) 245-0260
Fax(714) 245-0260
Sole ProprietorNo
Medical School CMSUniversity Of Southern California Keck School Of MedicineGraduated 1987
Enumeration DateJune 10, 2005
Last NPPES UpdateFebruary 26, 20202 updates tracked since enumeration
NPI 1124022850 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyInternal Medicine · Interventional CardiologyAllopathic & Osteopathic Physicians
Taxonomy Code207RI0011X
License Licensed in CA · G65259
Definition
An area of medicine within the subspecialty of cardiology, which uses specialized imaging and other diagnostic techniques to evaluate blood flow and pressure in the coronary arteries and chambers of the heart and uses technical procedures and medications to treat abnormalities that impair the function of the cardiovascular system.
Also ListedInternal Medicine · Cardiovascular DiseaseTaxonomy 207RC0000X · License G65259 (CA)
801 N TUSTIN AVE STE 706, Santa Ana, CA 92705

Other Identifiers 1

MedicaidGR0095890CA

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

John Dean Baker 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 ID7012087562
PECOS Enrollment IDI20080610000376
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.

Areas of Expertise CMS Part B claims 9

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.

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.
1,112 services837 patients
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232
Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.
287 services126 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.
143 services142 patients
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223
Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.
128 services121 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.
89 services57 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.
27 services26 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 92705 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
$142.39 typical visit price
range $62.96 – $187.60
Typical copayment $35.59 (range $15.74 – $46.90)
Most-billed visit code 99204
Established Patient
$109.96 typical visit price
range $20.84 – $153.61
Typical copayment $27.49 (range $5.21 – $38.40)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 5

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

Internal Medicine (Cardiovascular Disease)
801 N TUSTIN AVE STE 706
SANTA ANA, CA 92705
Internal Medicine (Clinical Cardiac Electrophysiology)
801 N TUSTIN AVE STE 706
SANTA ANA, CA 92705
Physician Assistant
801 N TUSTIN AVE STE 706
SANTA ANA, CA 92705
Physician Assistant (Medical)
801 N TUSTIN AVE STE 706
SANTA ANA, CA 92705
Nurse Practitioner
801 N TUSTIN AVE STE 706
SANTA ANA, CA 92705

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 John Baker's NPI number?

The NPI number for John Baker is 1124022850. It was assigned to this individual provider in the NPPES registry on June 10, 2005.

Where is John Baker located?

John Baker practices at 801 N Tustin Ave Ste 706, Santa Ana, CA 92705. The listed phone number is (714) 568-6600.

What is John Baker's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Interventional Cardiology, with taxonomy code 207RI0011X.

Is John Baker enrolled in Medicare?

Yes. John Baker 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.

When was this NPI record last updated?

The NPPES record for John Baker was last updated on February 26, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.