ROBERT M CASTRO DO
NPI 1285777813
Internal Medicine in Santa Ana, CA

Q: What is Robert Castro's NPI number?

The NPI number for Robert Castro is 1285777813. It was assigned to this individual provider in the NPPES registry on February 14, 2007.

Q: What is Robert Castro's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Q: When was this NPI record last updated?

The NPPES record for Robert Castro was last updated on May 27, 2015. NPI Profile syncs with the weekly NPPES data releases published by CMS.

Active since February 14, 2007PECOS EnrolledAccepts Medicare Assignment

2621 S BRISTOL ST, SUITE 108, SANTA ANA, CA 92704(714) 754-1684(714) 966-0417 Get Directions Write a Review

NPPES record last updated: May 27, 2015. Verified against the NPPES registry weekly; last sync: July 26, 2026.

On this page

About Robert M Castro Do NPPES

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

ROBERT M CASTRO DO (NPI 1285777813) is an individual internal medicine provider in Santa Ana, California, licensed in California (20A9770) and active in the NPI registry since February 2007. He is enrolled in Medicare PECOS and is a graduate of Other (2005).

NPPES Registry Identity

NPI1285777813

Entity TypeIndividualMale

Primary Taxonomy207R00000X

Provider Legal NameROBERT M CASTROCredential: DO

Location Address2621 S BRISTOL ST, SUITE 108Santa Ana, CA 92704-5766

Mailing Address1358 Pierre RdWalnut, CA 91789-4476 · (626) 765-7297 · Fax (877) 991-4809

Phone(714) 754-1684

Fax(714) 966-0417

Sole ProprietorYes

Medical School CMSOtherGraduated 2005

Enumeration DateFebruary 14, 2007

Last NPPES UpdateMay 27, 2015

✔ NPI 1285777813 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207R00000X

License✔ Licensed in CA · 20A9770

Definition

A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.

Also ListedFamily MedicineTaxonomy 207Q00000X · License 20A9770 (CA)

2621 S BRISTOL ST, Santa Ana, CA 92704

Open in Google Maps ↗

Other Identifiers 3

Medicare PIN020A97700CA

Medicaid00AX97700CA

Medicare UPINI72607CA

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

Robert M Castro Do 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 ID1557468691

PECOS Enrollment IDI20070523000750

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 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 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.

358 services211 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.

166 services160 patients

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233

Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.

155 services44 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.

92 services90 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.

92 services92 patients

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

53 services52 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.

50 services46 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.

46 services13 patients

Heart rhythm recording continous external ekg over more than 48 hours up to 7 days 93242

This procedure involves wearing a device, an external EKG, for up to 7 days to continuously monitor your heart rhythm. It helps detect irregularities that may not occur during a standard EKG. The device is non-invasive and safe.

32 services31 patients

Heart muscle strain imaging 93356

Heart muscle strain imaging is a non-invasive test that uses sound waves to create pictures of your heart. It helps doctors evaluate how well your heart muscle is working and detect any damage or disease. This can aid in diagnosing heart conditions and guiding treatment plans.

30 services29 patients

Exercise or drug-induced heart stress test with electrocardiogram (ecg) with supervision and review by physician 93015

An exercise or drug-induced heart stress test with ECG is a procedure performed by a doctor to assess how your heart responds to exertion. It involves monitoring your heart's electrical activity while you exercise or after medication is given to mimic exercise effects.

26 services26 patients

Heart rhythm review, and interpretation of continous external ekg over more than 48 hours up to 7 days 93244

A heart rhythm review involves monitoring your heart's electrical activity for more than 48 hours up to 7 days. Using a device called an external EKG, doctors can track your heartbeats to detect irregularities and help diagnose heart conditions.

25 services25 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.

19 services17 patients

Evaluation of single, dual, multiple lead or leadless pacemaker system 93288

An evaluation of a pacemaker system examines how well your heart device is working. Single, dual, multiple lead, or leadless refers to the wires that deliver electrical pulses from the pacemaker to your heart. This check ensures your heart is receiving the right amount of support from the device.

15 services13 patients

Use of a drug to induce depression of consciousness by physician performing a procedure (5 years or older), initial 15 minutes 99152

This procedure involves a doctor administering a medication to reduce your consciousness during a procedure. This helps in managing discomfort and anxiety. The initial application lasts for 15 minutes and is for individuals aged 5 years or older.

11 services11 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 92704 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 20

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

DR. ROSE MARIA CUNNINGHAM-AHUMADA D.O.

Ophthalmology

2621 S BRISTOL ST, SUITE 205
SANTA ANA, CA 92704

Orange County (714) 557-5777

RAOUF F ISKANDER MD INC

Otolaryngology (Plastic Surgery within the Head & Neck)

2621 S BRISTOL ST, STE 206
SANTA ANA, CA 92704

Orange County (714) 556-0678

JERROLD D CANTOR MD INC

Internal Medicine (Cardiovascular Disease)

2621 S BRISTOL ST, STE 305
SANTA ANA, CA 92704

Orange County (714) 751-0034

H.M. SUNG M.D. INC.

Preferred Provider Organization

2621 S BRISTOL ST, SUITE 109
SANTA ANA, CA 92704

Orange County (714) 754-0310

NEUROLOGY DOCTORS OF CALIFORNIA, INC.

Specialist

2621 S BRISTOL ST, # 105
SANTA ANA, CA 92704

Orange County (714) 540-1840

DR. DAVID C YANG MD

Pediatrics

2621 S BRISTOL ST, SUITE 306
SANTA ANA, CA 92704

Orange County (714) 556-1882

ALAN C SCHWARTZ MD

Internal Medicine

2621 S BRISTOL ST, #307
SANTA ANA, CA 92704

Orange County (714) 918-3070

HON YU, M.D., INC.

Internal Medicine

2621 S BRISTOL ST, SUITE 208
SANTA ANA, CA 92704

Orange County (714) 210-2450

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 Robert Castro's NPI number?

The NPI number for Robert Castro is 1285777813. It was assigned to this individual provider in the NPPES registry on February 14, 2007.

Where is Robert Castro located?

Robert Castro practices at 2621 S Bristol St Suite 108, Santa Ana, CA 92704. The listed phone number is (714) 754-1684.

What is Robert Castro's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Robert Castro enrolled in Medicare?

Yes. Robert Castro 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 Robert Castro was last updated on May 27, 2015. NPI Profile syncs with the weekly NPPES data releases published by CMS.