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DR. AFSHIN Y DOUST M.D.
NPI 1417057316
Internal Medicine in Mission Viejo, CA

Active since September 22, 2006PECOS EnrolledAccepts Medicare Assignment
26732 CROWN VALLEY PKWY STE 411, MISSION VIEJO, CA 92691(949) 282-1671(949) 367-0518 Get Directions Write a Review

NPPES record last updated: October 21, 2021. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Oct 21, 2021, May 16, 2017 (2 updates tracked since 2017).

About Dr. Afshin Y Doust M.d. NPPES

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

DR. AFSHIN Y DOUST M.D. (NPI 1417057316) is an individual internal medicine provider in Mission Viejo, California, licensed in Nevada (11054) and active in the NPI registry since September 2006. He is enrolled in Medicare PECOS and is a graduate of Other (2001).

NPPES Registry Identity

NPI1417057316
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameDR. AFSHIN Y DOUSTCredential: M.D.
Location Address26732 CROWN VALLEY PKWY STE 411Mission Viejo, CA 92691-6375
Mailing AddressPo Box 370969Las Vegas, NV 89137-0969 · (702) 453-3799 · Fax (702) 453-5741
Phone(949) 282-1671
Fax(949) 367-0518
Sole ProprietorYes
Medical School CMSOtherGraduated 2001
Enumeration DateSeptember 22, 2006
Last NPPES UpdateOctober 21, 20212 updates tracked since enumeration
NPPES CertifiedOctober 21, 2021
✔ NPI 1417057316 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
Licenses✔ Licensed in NV · 11054✔ Licensed in CA · 134958
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.
26732 CROWN VALLEY PKWY STE 411, Mission Viejo, CA 92691
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Other Identifiers 1

Medicaid100504913NV

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. Afshin Y Doust 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 ID6901866532
PECOS Enrollment IDI20041018000502, I20170316002237
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 Afshin Doust reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Providence Medical Foundation
0.1 mi
Family Medicine
26522 LA ALAMEDA, SUITE 120
Mission Viejo, CA 92691
  • Reassigned Medicare billing, California enrollment
  • 1,699 clinicians in this Medicare group
NPI 1427305960 (949) 364-9631
Afshin Y Doust MD A Professional Corporation
229 mi
Internal Medicine
3100 N TENAYA WAY
Las Vegas, NV 89128
  • Reassigned Medicare billing, Nevada enrollment
NPI 1730366659 (702) 453-3799

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 5

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.

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.
228 services87 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.
111 services108 patients
Hospital discharge day management, more than 30 minutes 99239
Hospital discharge day management over 30 minutes involves a detailed process to ensure a smooth transition from hospital to home. It includes final examinations, discussion of your hospital stay, post-discharge instructions, and coordinating follow-up care.
93 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.
31 services31 patients
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 99222
Initial hospital inpatient care is a service where a healthcare provider spends about 50 minutes per day overseeing your care while you're admitted in the hospital. This includes reviewing your health status, planning your treatment, and ensuring your safety and comfort.
12 services12 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 92691 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.

Referred Medical Equipment & Supplies CMS DME claims 2

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Portable gaseous oxygen system, rental; includes portable container, regulator, flowmeter, humidifier, cannula or mask, and tubing E0431
DME-Oxygen and Supplies · category DC000N
2 suppliers21 claims21 services$14.12 avg. paid by Medicare
Oxygen concentrator, single delivery port, capable of delivering 85 percent or greater oxygen concentration at the prescribed flow rate E1390
DME-Oxygen and Supplies · category DC002N
2 suppliers22 claims22 services$60.20 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

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 Afshin Doust's NPI number?

The NPI number for Afshin Doust is 1417057316. It was assigned to this individual provider in the NPPES registry on September 22, 2006.

Where is Afshin Doust located?

Afshin Doust practices at 26732 Crown Valley Pkwy Ste 411, Mission Viejo, CA 92691. The listed phone number is (949) 282-1671.

What is Afshin Doust's specialty?

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

Is Afshin Doust enrolled in Medicare?

Yes. Afshin Doust 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 Afshin Doust's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Afshin Doust reassigns Medicare benefits to 2 organizations: Providence Medical Foundation (Mission Viejo, CA) and Afshin Y Doust MD A Professional Corporation (Las Vegas, NV). 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 Afshin Doust's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Afshin Doust was last updated on October 21, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.