DR. PAYMON MESGARZADEH M.D.
NPI 1023216892
Internal Medicine - Cardiovascular Disease in Fontana, CA

Active since July 03, 2007PECOS EnrolledAccepts Medicare Assignment
9985 SIERRA AVE, FONTANA, CA 92335(909) 427-5000 Get Directions Write a Review

NPPES record last updated: November 29, 2021. Verified against the NPPES registry weekly; last sync: July 26, 2026.

About Dr. Paymon Mesgarzadeh M.d. NPPES

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

DR. PAYMON MESGARZADEH M.D. (NPI 1023216892) is an individual cardiovascular disease provider in Fontana, California, licensed in California (A109433) and active in the NPI registry since July 2007. He is enrolled in Medicare PECOS and is a graduate of Wayne State University School Of Medicine (2004).

NPPES Registry Identity

NPI1023216892
Entity TypeIndividualMale
Primary Taxonomy207RC0000X
Provider Legal NameDR. PAYMON MESGARZADEHCredential: M.D.
Location Address9985 SIERRA AVEFontana, CA 92335-6720
Mailing Address9985 Sierra AveFontana, CA 92335-6720 · (909) 427-5000
Sole ProprietorNo
Medical School CMSWayne State University School Of MedicineGraduated 2004
Enumeration DateJuly 3, 2007
Last NPPES UpdateNovember 29, 2021
NPI 1023216892 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyInternal Medicine · Cardiovascular DiseaseAllopathic & Osteopathic Physicians
Taxonomy Code207RC0000X
License Licensed in CA · A109433
Definition

An internist who specializes in diseases of the heart and blood vessels and manages complex cardiac conditions such as heart attacks and life-threatening, abnormal heartbeat rhythms.

9985 SIERRA AVE, Fontana, CA 92335

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. Paymon Mesgarzadeh 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 ID9032203666
PECOS Enrollment IDI20110927000219
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.

Ultrasound of heart with color-depicted blood flow, rate, direction and valve function 93306
This is a heart ultrasound, also known as an echocardiogram. It uses sound waves to create pictures of your heart, showing how blood flows through it. The color depicts the blood flow's speed and direction. It also checks the heart's valves to ensure they're working properly.
14 services14 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 92335 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
$74.08 typical visit price
range $19.37 – $146.42
Typical copayment $18.52 (range $4.84 – $36.60)
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.

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.

Internal Medicine (Cardiovascular Disease)
9985 SIERRA AVE
FONTANA, CA 92335
Psychiatry & Neurology (Neurology)
9985 SIERRA AVE, MOB-2, BASEMENT
FONTANA, CA 92335
Internal Medicine
9985 SIERRA AVE
FONTANA, CA 92335
Physical Therapy Assistant
9985 SIERRA AVE
FONTANA, CA 92335
Orthopaedic Surgery (Adult Reconstructive Orthopaedic Surgery)
9985 SIERRA AVE
FONTANA, CA 92335
Occupational Therapist
9985 SIERRA AVE
FONTANA, CA 92335
Radiology (Diagnostic Radiology)
9985 SIERRA AVE, BLDG. #3, DEPT. OF RADIOLOGY
FONTANA, CA 92335
Nurse Practitioner (Obstetrics & Gynecology)
9985 SIERRA AVE
FONTANA, CA 92335

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 Paymon Mesgarzadeh's NPI number?

The NPI number for Paymon Mesgarzadeh is 1023216892. It was assigned to this individual provider in the NPPES registry on July 3, 2007.

Where is Paymon Mesgarzadeh located?

Paymon Mesgarzadeh practices at 9985 Sierra Ave, Fontana, CA 92335. The listed phone number is (909) 427-5000.

What is Paymon Mesgarzadeh's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Cardiovascular Disease, with taxonomy code 207RC0000X.

Is Paymon Mesgarzadeh enrolled in Medicare?

Yes. Paymon Mesgarzadeh 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 Paymon Mesgarzadeh was last updated on November 29, 2021. NPI Profile syncs with the weekly NPPES data releases published by CMS.