Mark Khrystian Ilagan, D.O.

Family Medicine

(888) 750-0036San Bernardino, CA
Telehealth Available
NPI Active per CMS — Q2 2026|Medicare Enrolled|Order & Refer

Mark Khrystian Ilagan, D.O. has practiced family medicine for 13+ years, working in independent practice. With 13+ years of experience, he has been practicing in the San Bernardino area. Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family.

At a glance

  • Uses generic medications more than 72% of reporting doctors in California
  • Virtual visits available — no app or travel required
1 of 4,025 Family Medicine providers in CASee all Family Medicine in San Bernardino13+ years experienceNPI since 2013

Older · 1616dNPPES updated 2021-12-01 · verify on CMS

Contact & Location

Practice Location

1717 E Date Pl, San Bernardino, CA 92404-4428

CMS Clinical Data

How Does This Doctor Compare?

Based on Medicare data, this doctor favors affordable generic drugs over brand-name ones.

Opioid Rx

↓ Lower = better

5.94%

California avg: 5.2 · US avg: 5.1

Lower than most doctors nationally(+0.8 pts)

5.94% of this doctor's prescriptions are opioid pain medications. Lower means more cautious prescribing.

Generic Rx

↑ Higher = better

91.1%

California avg: 83.3 · US avg: 82.8

Higher than most doctors nationally(+8.3 pts)

Better than 72% of reporting doctors in California

How often this doctor prescribes affordable generic drugs instead of expensive brand-name ones.

Medicare Patients

12

Unique beneficiaries

Boutique practice

Prescription Recipients

700

Patients prescribed

Prescriptions Written

3,942

Total claims

Total Medicare drug cost: $184k

Percentile rankings compared against 9,360 reporting peers in California.

Data Note: Sourced from CMS Medicare Provider Utilization & Payment Data. Percentile rankings compare this provider against all peers with reported data in the same state. Updated annually to reflect the latest federal reporting cycle.

Patient Reviews

No patient reviews yet. If you've seen Mark Khrystian Ilagan, your feedback helps other patients.

Review PolicyAll feedback is moderated before publishing. We verify reviewer identity where possible and enforce a one-review-per-provider policy. Full guidelines →

Background & Specialty

Education, training, and specialty classification from CMS NPPES and Medicare records.

Career Journey
  1. Board certified · Nov 30, 2021

    CMS-verified certification date

  2. 13 years in practice

    Established

Family MedicineAllopathic & Osteopathic Physicians

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.

Taxonomy: 207Q00000X

Virtual Family Medicine Care With Mark Khrystian Ilagan

NPPES records indicate this provider offers telehealth services. Contact the office to confirm availability and scheduling.

Schedule a virtual visit with Mark Khrystian Ilagan for follow-ups, medication reviews, and ongoing care — no travel to San Bernardino required. The office sends a secure video link before your appointment. Most visits take 15–30 minutes. Medicare enrolled per CMS records.

Frequently Asked Questions

Common questions about Mark Khrystian Ilagan

Dr. Ilagan is listed as active in the NPI registry with telehealth listed in San Bernardino, CA. NPI status alone doesn't confirm open availability — call the office to confirm. Phone: (888) 750-0036.

Verified across 3 federal data sources

Sourced from CMS NPPES · OIG LEIE · CMS Medicare Part D. See Data Methodology.

Is this your profile?

Verify credentials, update practice details, and manage telehealth.

Claim Profile

Medical Disclaimer: NPI Telehealth is a provider directory for informational purposes only. This page does not constitute medical advice, diagnosis, or treatment recommendations. Provider data is sourced from the CMS NPPES federal registry and public Medicare datasets. NPI Telehealth does not verify clinical qualifications beyond federal records. Data may not reflect real-time availability — always contact the provider's office directly to confirm details before seeking care.

Related Providers

Family Medicine in California

See all