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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

ARMAN AVESTA MD
NPI 1851743355
Radiology - Diagnostic Neuroimaging in Palo Alto, CA

Active since July 07, 2016PECOS Enrolled
725 WELCH RD, PALO ALTO, CA 94304(650) 497-8000 Get Directions Write a Review

NPPES record last updated: September 29, 2026. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Sep 29, 2026, Aug 16, 2023, Feb 21, 2020 and 4 more (7 updates tracked since 2017).

About Arman Avesta Md NPPES

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

ARMAN AVESTA MD (NPI 1851743355) is an individual diagnostic neuroimaging provider in Palo Alto, California, licensed in California (A209982) and active in the NPI registry since July 2016. He is enrolled in Medicare PECOS and maintains 3 additional practice locations.

NPPES Registry Identity

NPI1851743355
Entity TypeIndividualMale
Primary Taxonomy2085D0003X
Provider Legal NameARMAN AVESTACredential: MD
Location Address725 WELCH RDPalo Alto, CA 94304-1601
Mailing Address725 Welch RdPalo Alto, CA 94304-1601 · (650) 497-8000
Phone(650) 497-8000
Sole ProprietorNo
Enumeration DateJuly 7, 2016
Last NPPES UpdateSeptember 29, 20267 updates tracked since enumeration
NPPES CertifiedSeptember 29, 2026
✔ NPI 1851743355 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 4

★ Primary SpecialtyRadiology · Diagnostic NeuroimagingAllopathic & Osteopathic Physicians
Taxonomy Code2085D0003X
License✔ Licensed in CA · A209982
Definition
A licensed physician, who has completed a residency program in Neurology, and who has additional training, experience, and competence in the standards of performance and interpretation of Magnetic Resonance Imaging (MRI / MRA) of the head, spine, and peripheral nerves, and Computed Tomography (CT) of the head and spine. Physicians are trained in the administration of contrast media and the recognition and treatment of adverse reactions to contrast media. Neuroimaging training encompasses thorough knowledge of clinical neurology, neurophysiology, neuroanatomy, neurochemistry, neuropharmacology, and dynamics of cerebrospinal fluid circulation. Physicians possess special expertise in the technical aspects and clinical applications of each of the modalities and techniques of neuroimaging.
Also ListedRadiology · NeuroradiologyTaxonomy 2085N0700X · License A209982 (CA)
Also ListedRadiology · Diagnostic RadiologyTaxonomy 2085R0202X · License 295173 (MA), A209982 (CA)
Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X
725 WELCH RD, Palo Alto, CA 94304
Open in Google Maps ↗

Other Names 1

Former Name (1)Seyed Emad Ahmadi

Secondary Practice Locations 3

Location 120 York Street, YNHH Dept of RadiologyNew Haven, CT 06510-3220 · Phone (203) 688-4242
Location 255 Fruit StBoston, MA 02114-2621 · Phone (617) 726-8323
Location 3PO Box 208042New Haven, CT 06520-8042 · Phone (617) 763-6632

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Arman Avesta Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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

4

Medicare enrollment records show Arman Avesta reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Lpch Medical Group Div Of Lucile
Same address
Children
725 WELCH RD
Palo Alto, CA 94304
  • Reassigned Medicare billing, California enrollment
  • 3,617 clinicians in this Medicare group
NPI 1417907940 (650) 498-6762
Stanford Health Care
0.2 mi
General Acute Care Hospital
300 PASTEUR DRIVE
Stanford, CA 94305
  • Reassigned Medicare billing, California enrollment
  • 4,258 clinicians in this Medicare group
NPI 1437292927 (650) 723-4000
Massachusetts General Physicians Organization Inc
2,696 mi
Dermatology
55 FRUIT ST, BUL 2
Boston, MA 02114
  • Reassigned Medicare billing, Massachusetts and New Hampshire enrollments
  • 6,360 clinicians in this Medicare group
NPI 1801874573 (617) 724-0287
The General Hospital Corporation
2,696 mi
General Acute Care Hospital
55 FRUIT ST, BULFINCH 360
Boston, MA 02114
  • Reassigned Medicare billing, Massachusetts enrollment
  • 6,234 clinicians in this Medicare group
NPI 1023049236 (617) 726-2000

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 6

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.

Ct scan head or brain without contrast 70450
A CT scan of the head or brain without contrast is a non-invasive imaging procedure. It uses X-rays to create detailed pictures of your brain, skull, and other structures inside your head. It helps to detect conditions like strokes, tumors, or injuries. No dye (contrast) is used in this test.
64 services59 patients
Mri scan of brain before and after contrast 70553
An MRI scan of the brain, both before and after contrast, helps visualize different brain structures. Initially, images are taken without a contrast agent. Then, a safe dye is injected which helps highlight certain areas, providing clearer, more detailed images.
39 services39 patients
Mri scan of brain without contrast 70551
An MRI scan of the brain without contrast is a non-invasive imaging test. It uses a magnetic field and radio waves to create detailed images of your brain. It helps in detecting abnormalities like tumors, stroke, inflammation, or infection.
25 services24 patients
Mri scan of brain without contrast 70551
An MRI scan of the brain without contrast is a non-invasive imaging test. It uses a magnetic field and radio waves to create detailed images of your brain. It helps in detecting abnormalities like tumors, stroke, inflammation, or infection.
22 services22 patients
Mri scan of brain before and after contrast 70553
An MRI scan of the brain, both before and after contrast, helps visualize different brain structures. Initially, images are taken without a contrast agent. Then, a safe dye is injected which helps highlight certain areas, providing clearer, more detailed images.
15 services15 patients
Mri scan of upper spinal canal without contrast 72141
An MRI scan of the upper spinal canal without contrast is a non-invasive imaging test. It uses a magnetic field and radio waves to create detailed images of your upper spine. This helps doctors identify issues such as injuries, infections or diseases. No dye is used.
12 services12 patients

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.

EIRI INENAGA MS, OTR/L
Occupational Therapist (Pediatrics)
725 WELCH RD
PALO ALTO, CA 94304
Santa Clara County (650) 497-8218
WENDY LEIGH ADAMS ARNP
Nurse Practitioner (Neonatal)
725 WELCH RD
PALO ALTO, CA 94304
Santa Clara County (650) 497-8000
KEVIN WEI-HAN CHI MD
Pediatrics
725 WELCH RD
PALO ALTO, CA 94304
Santa Clara County (650) 497-8000
ASHEEN RAMA MD
Anesthesiology (Pediatric Anesthesiology)
725 WELCH RD
PALO ALTO, CA 94304
Santa Clara County (650) 497-8000
CRYSTAL LEE MACKALL MD
Pediatrics (Pediatric Hematology-Oncology)
725 WELCH RD
PALO ALTO, CA 94304
Santa Clara County (650) 497-8000
KRISTI LYNNE O'CONNOR OT
Occupational Therapist
725 WELCH RD
PALO ALTO, CA 94304
Santa Clara County (650) 497-8000
LAUREN GENNA ROOS NP
Nurse Practitioner
725 WELCH RD
PALO ALTO, CA 94304
Santa Clara County (650) 497-8000
SHALINI MITTAL MD
Hospitalist
725 WELCH RD
PALO ALTO, CA 94304
Santa Clara County (650) 497-8000

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 Arman Avesta's NPI number?

The NPI number for Arman Avesta is 1851743355. It was assigned to this individual provider in the NPPES registry on July 7, 2016. The provider is also known as Seyed Emad Ahmadi.

Where is Arman Avesta located?

Arman Avesta practices at 725 Welch Rd, Palo Alto, CA 94304. The listed phone number is (650) 497-8000.

What is Arman Avesta's specialty?

The primary specialty registered for this NPI is Radiology, specializing in Diagnostic Neuroimaging, with taxonomy code 2085D0003X.

Is Arman Avesta enrolled in Medicare?

Yes. Arman Avesta is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Arman Avesta's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Arman Avesta reassigns Medicare benefits to 4 organizations: Lpch Medical Group Div Of Lucile (Palo Alto, CA), Stanford Health Care (Stanford, CA), Massachusetts General Physicians Organization Inc (Boston, MA) and The General Hospital Corporation (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 Arman Avesta'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 Arman Avesta was last updated on September 29, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 40 days 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.