DR. SHAHRYAR MASOUEM M.D.
NPI 1811166655
Obstetrics & Gynecology in Irvine, CA

Q: What is Shahryar Masouem's NPI number?

The NPI number for Shahryar Masouem is 1811166655. It was assigned to this individual provider in the NPPES registry on February 26, 2008.

Q: What is Shahryar Masouem's specialty?

The primary specialty registered for this NPI is Obstetrics & Gynecology with taxonomy code 207V00000X.

Q: When was this NPI record last updated?

The NPPES record for Shahryar Masouem was last updated on June 17, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.

Active since February 26, 2008PECOS EnrolledAccepts Medicare Assignment

4790 IRVINE BLVD STE 105-337, IRVINE, CA 92620(714) 512-2440(949) 264-8221 Get Directions Write a Review

NPPES record last updated: June 17, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Feb 27, 2025, Oct 6, 2020, Nov 11, 2017 and 2 more (5 updates tracked since 2016).

On this page

About Dr. Shahryar Masouem M.d. NPPES

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

DR. SHAHRYAR MASOUEM M.D. (NPI 1811166655) is an individual obstetrics & gynecology provider in Irvine, California, licensed in California (A101561) and active in the NPI registry since February 2008. He is enrolled in Medicare PECOS and is a graduate of Other (2004).

NPPES Registry Identity

NPI1811166655

Entity TypeIndividualMale

Primary Taxonomy207V00000X

Provider Legal NameDR. SHAHRYAR MASOUEMCredential: M.D.

Location Address4790 IRVINE BLVD STE 105-337Irvine, CA 92620-1973

Mailing Address4790 Irvine Blvd Ste 105-337Irvine, CA 92620-1973 · (714) 512-2440 · Fax (949) 264-8221

Phone(714) 512-2440

Fax(949) 264-8221

Sole ProprietorNo

Medical School CMSOtherGraduated 2004

Enumeration DateFebruary 26, 2008

Last NPPES UpdateJune 17, 20265 updates tracked since enumeration

NPPES CertifiedJune 17, 2026

✔ NPI 1811166655 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyObstetrics & GynecologyAllopathic & Osteopathic Physicians

Taxonomy Code207V00000X

Licenses✔ Licensed in CA · A101561✔ Licensed in NC · 2026-02749

Definition

An obstetrician/gynecologist possesses special knowledge, skills and professional capability in the medical and surgical care of the female reproductive system and associated disorders. This physician serves as a consultant to other physicians and as a primary physician for women.

4790 IRVINE BLVD STE 105-337, Irvine, CA 92620

Open in Google Maps ↗

Other Identifiers 1

Medicaid1811166655CA

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

Dr. Shahryar Masouem 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 ID8921184144

PECOS Enrollment IDI20080327000455

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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 92620 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

$77.96 typical visit price

range $20.84 – $153.61

Typical copayment $19.49 (range $5.21 – $38.40)

Most-billed visit code 99213

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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 Shahryar Masouem's NPI number?

The NPI number for Shahryar Masouem is 1811166655. It was assigned to this individual provider in the NPPES registry on February 26, 2008.

Where is Shahryar Masouem located?

Shahryar Masouem practices at 4790 Irvine Blvd Ste 105-337, Irvine, CA 92620. The listed phone number is (714) 512-2440.

What is Shahryar Masouem's specialty?

The primary specialty registered for this NPI is Obstetrics & Gynecology with taxonomy code 207V00000X.

Is Shahryar Masouem enrolled in Medicare?

Yes. Shahryar Masouem 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 Shahryar Masouem was last updated on June 17, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.