DR. MUTAHIR FARHAN MD
NPI 1033856661
Internal Medicine - Addiction Medicine in Corona, CA

Active since May 16, 2022PECOS EnrolledAccepts Medicare Assignment
284 DUPONT ST STE 130, CORONA, CA 92879(951) 497-3749(954) 405-8701 Get Directions Write a Review

NPPES record last updated: July 17, 2025. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Nov 18, 2024, Sep 17, 2024, Dec 15, 2023 and 2 more (5 updates tracked since 2022).

About Dr. Mutahir Farhan Md NPPES

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

DR. MUTAHIR FARHAN MD (NPI 1033856661) is an individual addiction medicine provider in Corona, California, licensed in California (A188941) and active in the NPI registry since May 2022. He is enrolled in Medicare PECOS, is affiliated with Beth Israel Deaconess Medical Center, and maintains 2 additional practice locations.

NPPES Registry Identity

NPI1033856661
Entity TypeIndividualMale
Primary Taxonomy207RA0401X
Provider Legal NameDR. MUTAHIR FARHANCredential: MD
Location Address284 DUPONT ST STE 130Corona, CA 92879-6029
Mailing Address20810 Bakal DrRiverside, CA 92508-2983 · (951) 497-3749 · Fax (954) 405-8701
Fax(954) 405-8701
Sole ProprietorYes
Medical School CMSOtherGraduated 2022
Enumeration DateMay 16, 2022
Last NPPES UpdateJuly 17, 20255 updates tracked since enumeration
NPPES CertifiedJuly 17, 2025
✔ NPI 1033856661 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal Medicine · Addiction MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207RA0401X
License✔ Licensed in CA · A188941
Definition
An internist doctor of osteopathy that specializes in the treatment of addiction disorders. A doctor of osteopathy that is board eligible/certified by the American Osteopathic Board of Internal Medicine can obtain a Certificate of Added Qualifications in the field of Addiction Medicine.
Also ListedInternal MedicineTaxonomy 207R00000X · License A188941 (CA)
284 DUPONT ST STE 130, Corona, CA 92879

Secondary Practice Locations 2

Location 1900 University AveRiverside, CA 92521-9800 · Phone (951) 827-1012
Location 22101 N Waterman AveSan Bernardino, CA 92404-4836 · Phone (909) 883-8711

Accepted Insurance

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. Mutahir Farhan Md 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 ID2365893450
PECOS Enrollment IDI20260519000070
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

2

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

Child & Adolescent Psychiatry
1225 W 190TH ST STE 280
Gardena, CA 90248
  • Reassigned Medicare billing, California enrollment
  • 375 clinicians in this Medicare group
Internal Medicine
330 BROOKLINE AVE
Boston, MA 02215
  • Reassigned Medicare billing, Massachusetts enrollment
  • 2,579 clinicians in this Medicare group

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 7

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.

Annual alcohol misuse screening, 5 to 15 minutes G0442
An annual alcohol misuse screening is a 15-minute check-up to assess your drinking habits. It helps identify if you're consuming alcohol in a way that could harm your health. This is not a judgment, but a tool to promote your wellbeing.
124 services124 patients
Prolonged preventive service(s) (beyond the typical service time of the primary procedure), in the office or other outpatient setting requiring direct patient contact beyond the usual service; first 30 minutes (list separately in addition to code for preve G0513
Prolonged preventive service refers to an extended medical consultation or treatment beyond the usual time. This service, provided in an outpatient setting, involves direct patient contact for the first 30 minutes beyond the primary procedure. It's used when additional time is required to address preventive health needs.
93 services93 patients
Annual wellness visit; includes a personalized prevention plan of service (pps), initial visit G0438
An annual wellness visit is a yearly appointment with your doctor to create or update a personalized prevention plan. This plan helps prevent illness based on your current health and risk factors. It's an opportunity to discuss your health status and goals and get a plan tailored for you.
92 services92 patients
Advance care planning, first 30 minutes 99497
Advance care planning is a process where you discuss your healthcare preferences with your doctor. This conversation, lasting up to 30 minutes, helps ensure your wishes are respected if you're unable to communicate them in the future. It's about your care, your way.
89 services88 patients
Annual depression screening, 5 to 15 minutes G0444
An annual depression screening is a short, routine evaluation to check for signs of depression. It involves answering a series of questions about your feelings, thoughts, and behaviors. The process takes about 15 minutes and helps detect depression early for better management.
44 services44 patients
Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit G0439
An annual wellness visit is a yearly appointment with your primary care provider to create or update a personalized prevention plan. This plan helps prevent illness based on your current health and risk factors. It's a subsequent visit, meaning it follows an initial assessment.
31 services31 patients

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Beth Israel Deaconess Medical Center

Acute Care Hospitals · Boston, MA
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number220086
Location330 Brookline AvenueBoston, MA 02215 · Suffolk County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 92879 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
$136.04 typical visit price
range $59.60 – $179.42
Typical copayment $34.01 (range $14.90 – $44.85)
Most-billed visit code 99204
Established Patient
$104.64 typical visit price
range $19.37 – $146.42
Typical copayment $26.16 (range $4.84 – $36.60)
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 4

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

Internal Medicine (Addiction Medicine)
284 DUPONT ST STE 130
CORONA, CA 92879
Psychiatry & Neurology (Psychiatry)
284 DUPONT ST STE 130
CORONA, CA 92879
Clinic/Center (Mental Health (Including Community Mental Health Center))
284 DUPONT ST STE 130
CORONA, CA 92879
Physician Assistant
284 DUPONT ST STE 130
CORONA, CA 92879

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 Mutahir Farhan's NPI number?

The NPI number for Mutahir Farhan is 1033856661. It was assigned to this individual provider in the NPPES registry on May 16, 2022.

Where is Mutahir Farhan located?

Mutahir Farhan practices at 284 Dupont St Ste 130, Corona, CA 92879. The listed phone number is (951) 497-3749.

What is Mutahir Farhan's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Addiction Medicine, with taxonomy code 207RA0401X.

Is Mutahir Farhan enrolled in Medicare?

Yes. Mutahir Farhan 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 Mutahir Farhan's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Mutahir Farhan reassigns Medicare benefits to 2 organizations: Ehab Yacoub MD Inc. (Gardena, CA) and Harvard Medical Faculty Phys At Beth Israel Deaconess Med Ctr Inc (Boston, MA). 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 Mutahir Farhan's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Mutahir Farhan accept?

Health plans from Taro Health list Mutahir Farhan as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Mutahir Farhan affiliated with any hospitals?

According to CMS data, Mutahir Farhan is affiliated with Beth Israel Deaconess Medical Center.

When was this NPI record last updated?

The NPPES record for Mutahir Farhan was last updated on July 17, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 months 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.