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DR. GUILLERMO CASTILLO M.D.
NPI 1366558322
Family Medicine in San Diego, CA

Active since August 22, 2006PECOS Enrolled
2001 4TH AVE, SAN DIEGO, CA 92101(858) 499-2717(858) 636-2210 Get Directions Write a Review

NPPES record last updated: May 5, 2017. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Dr. Guillermo Castillo M.d. NPPES

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

DR. GUILLERMO CASTILLO M.D. (NPI 1366558322) is an individual family medicine provider in San Diego, California, licensed in California (A83282) and active in the NPI registry since August 2006. He is enrolled in Medicare PECOS and is a graduate of University Of Southern California Keck School Of Medicine (2001).

NPPES Registry Identity

NPI1366558322
Entity TypeIndividualMale
Primary Taxonomy207Q00000X
Provider Legal NameDR. GUILLERMO CASTILLOCredential: M.D.
Location Address2001 4TH AVESan Diego, CA 92101-2303
Mailing Address2001 4th AveSan Diego, CA 92101-2303 · (858) 499-2717 · Fax (858) 636-2210
Phone(858) 499-2717
Fax(858) 636-2210
Sole ProprietorNo
Medical School CMSUniversity Of Southern California Keck School Of MedicineGraduated 2001
Enumeration DateAugust 22, 2006
Last NPPES UpdateMay 5, 2017
✔ NPI 1366558322 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207Q00000X
License✔ Licensed in CA · A83282
Definition
Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.
2001 4TH AVE, San Diego, CA 92101
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Other Identifiers 2

Medicare UPINI15103CA
Medicare PINA83282BCA

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Guillermo Castillo M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID9032186796
PECOS Enrollment IDI20040913000620
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

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.

Electrocardiogram (ecg) up to 30 days continuous with transmission of patient triggered events with review and report by health care professional 93229
An Electrocardiogram (ECG) is a test that records your heart's electrical activity for up to 30 days. You trigger a transmission if you feel symptoms, which is then reviewed by a healthcare professional. The report helps diagnose heart conditions.
27 services27 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 92101 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
$94.87 typical visit price
range $62.10 – $184.71
Typical copayment $23.71 (range $15.52 – $46.17)
Most-billed visit code 99203
Established Patient
$108.42 typical visit price
range $20.62 – $151.42
Typical copayment $27.10 (range $5.15 – $37.85)
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. TIMOTHY STUART HINMAN M.D.
Emergency Medicine
2001 4TH AVE
SAN DIEGO, CA 92101
San Diego County (858) 499-2600
DR. SUHAIL M JAFREY MD
Family Medicine
2001 4TH AVE, SUITE 200 MID MN FAMILY MEDICINE CENTER
SAN DIEGO, CA 92101
San Diego County (858) 499-2600
SARAH ELIZABETH MACGUIRE RN
Registered Nurse (Diabetes Educator)
2001 4TH AVE
SAN DIEGO, CA 92101
San Diego County (619) 890-7558
ANASTASIA SOPHIA BROWN MPT
Physical Therapist
2001 4TH AVE
SAN DIEGO, CA 92101
San Diego County (619) 466-1730
CLAY R. BOWLAND M.D.
Radiology (Diagnostic Radiology)
2001 4TH AVE
SAN DIEGO, CA 92101
San Diego County (619) 446-1586
JANELLE DONAHUE PEGG M.D.
Family Medicine
2001 4TH AVE
SAN DIEGO, CA 92101
San Diego County (858) 499-2600
JULIE G MARMON M.D.
Emergency Medicine
2001 4TH AVE
SAN DIEGO, CA 92101
San Diego County (858) 499-2777
BRIJ GUPTA M.D.
Internal Medicine
2001 4TH AVE
SAN DIEGO, CA 92101
San Diego County (858) 720-0493

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 Guillermo Castillo's NPI number?

The NPI number for Guillermo Castillo is 1366558322. It was assigned to this individual provider in the NPPES registry on August 22, 2006.

Where is Guillermo Castillo located?

Guillermo Castillo practices at 2001 4th Ave, San Diego, CA 92101. The listed phone number is (858) 499-2717.

What is Guillermo Castillo's specialty?

The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.

Is Guillermo Castillo enrolled in Medicare?

Yes. Guillermo Castillo is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Guillermo Castillo was last updated on May 5, 2017. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.