DR. LETIZIA CELESTINA LOREDANA ANTONIETTI M.D.
NPI 1881866341
Radiology - Neuroradiology in Sacramento, CA

Q: What is Letizia Antonietti's NPI number?

The NPI number for Letizia Antonietti is 1881866341. It was assigned to this individual provider in the NPPES registry on March 25, 2008.

Q: What is Letizia Antonietti's specialty?

The primary specialty registered for this NPI is Radiology, specializing in Neuroradiology, with taxonomy code 2085N0700X.

Active since March 25, 2008PECOS EnrolledAccepts Medicare Assignment

2801 K ST, SUITE 502, SACRAMENTO, CA 95816(877) 515-0053(916) 454-6926 Get Directions Write a Review

NPPES record last updated: July 28, 2015. Verified against the NPPES registry weekly; last sync: November 01, 2026.

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About Dr. Letizia Celestina Loredana Antonietti M.d. NPPES

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

DR. LETIZIA CELESTINA LOREDANA ANTONIETTI M.D. (NPI 1881866341) is an individual neuroradiology provider in Sacramento, California, licensed in California (A84819) and active in the NPI registry since March 2008. She is enrolled in Medicare PECOS and is a graduate of University Of California, San Francisco School Of Medicine (2002).

NPPES Registry Identity

NPI1881866341

Entity TypeIndividualFemale

Primary Taxonomy2085N0700X

Provider Legal NameDR. LETIZIA CELESTINA LOREDANA ANTONIETTICredential: M.D.

Location Address2801 K ST, SUITE 502Sacramento, CA 95816-5120

Mailing Address10470 Old Placerville Rd, Suite 100Sacramento, CA 95827-2539 · (800) 470-0071

Phone(877) 515-0053

Fax(916) 454-6926

Sole ProprietorNo

Medical School CMSUniversity Of California, San Francisco School Of MedicineGraduated 2002

Enumeration DateMarch 25, 2008

Last NPPES UpdateJuly 28, 2015

✔ NPI 1881866341 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyRadiology · NeuroradiologyAllopathic & Osteopathic Physicians

Taxonomy Code2085N0700X

License✔ Licensed in CA · A84819

Definition

A radiologist who diagnoses and treats diseases utilizing imaging procedures as they relate to the brain, spine and spinal cord, head, neck and organs of special sense in adults and children.

Also ListedSpecialistTaxonomy 174400000X

Also ListedRadiology · Vascular & Interventional RadiologyTaxonomy 2085R0204X · License A84819 (CA)

2801 K ST, Sacramento, CA 95816

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Other Identifiers 1

Medicare PINAR298XCA

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. Letizia Celestina Loredana Antonietti 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 ID5799855995

PECOS Enrollment IDI20080530000281

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

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

Sutter Valley Medical Foundation

4.0 mi

Multi-Specialty

2700 GATEWAY OAKS DR
Sacramento, CA 95833

Reassigned Medicare billing, California enrollment
3,056 clinicians in this Medicare group

NPI 1952327256 (800) 470-0071

University Of California Sfgh Medical Group

76 mi

Diagnostic Radiology

1001 POTRERO AVENUE BLDG 5, 1ST FL
San Francisco, CA 94110

Reassigned Medicare billing, California enrollment
336 clinicians in this Medicare group

NPI 1063487122 (628) 206-5871

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 32

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.

Injection, gadobutrol, 0.1 ml A9585

Gadobutrol is a contrast agent used during MRI scans to help provide clearer images. It's injected into your vein before the scan. This helps doctors to see certain areas more clearly for better diagnosis. It's generally safe with few side effects.

3,147 services37 patients

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.

867 services828 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.

251 services246 patients

Ct scan of blood vessels of neck with contrast 70498

A CT scan of the neck's blood vessels with contrast is a diagnostic procedure. It uses X-rays and a special dye to create detailed images of your neck's blood vessels. This helps doctors detect issues such as blockages or abnormalities.

225 services222 patients

Ct scan of blood vessels of head with contrast 70496

A CT scan of the head's blood vessels with contrast is a diagnostic procedure. A special dye (contrast) is injected into your body to make the blood vessels visible on the scan. This helps identify issues like blockages or abnormalities in your head's blood vessels.

220 services217 patients

Ct scan of upper spine without contrast 72125

A CT scan of the upper spine without contrast is a non-invasive imaging test that uses X-rays to capture detailed images of your neck and upper back. It helps in identifying issues like fractures, tumors, or infections. No dye (contrast) is used in this scan.

211 services208 patients

Ct scan of lower spine without contrast 72131

A CT scan of the lower spine without contrast is a non-invasive imaging test. It uses X-rays to create detailed images of your lower back area, helping to detect conditions like fractures, infections, or tumors. It's painless and generally quick.

64 services64 patients

Ct scan head or brain without contrast 70450

62 services62 patients

Ultrasound of both sides of head and neck blood flow 93880

An ultrasound of the head and neck blood flow is a safe, non-invasive procedure that uses sound waves to create images of blood vessels. It helps detect abnormalities like blockages or clots, ensuring optimal blood flow.

57 services57 patients

Ct scan of face without contrast 70486

A CT scan of the face without contrast is a non-invasive imaging procedure. It uses X-rays to create detailed pictures of your face, including bones, soft tissues, and blood vessels. It's often used to diagnose diseases, injuries, or abnormalities. No contrast dye is used in this procedure.

52 services52 patients

Mri scan of lower spinal canal without contrast 72148

An MRI scan of the lower spinal canal without contrast is a non-invasive imaging test. It uses a magnetic field and radio waves to produce detailed images of your lower spine. This helps identify issues like disc problems, tumors, or nerve conditions. No dye is used.

50 services50 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.

49 services49 patients

Mri scan of brain without contrast 70551

47 services47 patients

Ultrasound of both sides of head and neck blood flow 93880

47 services47 patients

Mri scan of lower spinal canal without contrast 72148

42 services42 patients

Mri scan of blood vessels of head without contrast 70544

An MRI scan of the head's blood vessels without contrast is a non-invasive imaging procedure. It uses a magnetic field and radio waves to create detailed images of the blood vessels in your head. This helps doctors diagnose conditions such as stroke, aneurysm, or other vascular disorders.

35 services33 patients

Ct scan of middle spine without contrast 72128

A CT scan of the middle spine without contrast is a non-invasive imaging test. It uses X-rays to create detailed pictures of your mid-spine area. This scan helps doctors identify issues like fractures, tumors, or infections. No dye is used in this procedure.

33 services33 patients

Ct scan of lower spine with contrast 72132

A CT scan of the lower spine with contrast is a non-invasive imaging test that uses X-ray technology and a contrast dye to create detailed pictures of your lower spine. It helps in diagnosing conditions like herniated discs, fractures, or tumors.

28 services28 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.

26 services26 patients

Mri scan of brain before and after contrast 70553

24 services23 patients

X-ray of chest, 1 view 71045

A chest X-ray, 1 view, is a quick, painless test that produces images of the structures within your chest, such as your heart, lungs, and blood vessels. It helps in diagnosing conditions like pneumonia, heart problems, or lung cancer. You'll stand in front of a machine that emits X-rays, which pass through your body to create the image.

24 services24 patients

Ct scan of soft tissue of neck with contrast 70491

A CT scan of the neck with contrast is a non-invasive imaging procedure. A special dye is administered to highlight the soft tissues in your neck, making them easier to see. This helps detect issues like infections, tumors, or other abnormalities.

23 services23 patients

Ct scan of middle spine with contrast 72129

A CT scan of the middle spine with contrast is a detailed imaging test. A special dye is used to highlight areas in your spine, providing clearer pictures. It helps doctors diagnose issues such as injuries, infections, or diseases in that area.

20 services20 patients

Mri scan of upper spinal canal without contrast 72141

20 services20 patients

Computed tomography (ct) of brain blood flow, volume, and timing of flow analysis with contrast 0042T

A computed tomography (CT) of brain blood flow, volume, and timing of flow analysis with contrast is a non-invasive exam. It uses X-rays and a contrast material to create detailed images of your brain. It helps evaluate blood flow patterns and detect abnormalities like clots or blockages.

17 services17 patients

Mri scan of middle spinal canal without contrast 72146

An MRI scan of the middle spinal canal without contrast is a non-invasive imaging test. It uses magnetic fields and radio waves to create detailed images of your spine. This helps doctors identify any abnormalities or issues in your spinal canal. No dye is used in this procedure.

17 services17 patients

Ct scan of face without contrast 70486

13 services13 patients

Ultrasound scan of head and neck soft tissue 76536

An ultrasound scan of the head and neck soft tissue is a non-invasive procedure that uses sound waves to create images of the soft tissues in these areas. It helps identify any abnormalities or issues, such as tumors, cysts, or infections. It's painless and doesn't involve radiation.

13 services13 patients

Mri scan of blood vessels of neck with contrast 70548

An MRI scan of the neck with contrast is a non-invasive imaging test. It uses a magnetic field and radio waves to create detailed pictures of your blood vessels in the neck. A contrast dye may be injected to make these images clearer. This helps identify any abnormalities.

12 services12 patients

X-ray of lower and sacral spine, 2-3 views 72100

An X-ray of the lower and sacral spine involves capturing images of your lower back area, including the tailbone. This procedure helps in identifying problems like fractures, infections, or deformities. 2-3 different angle views provide a comprehensive picture.

12 services12 patients

Ct scan of lower spine without contrast 72131

11 services11 patients

Ultrasound study of one arm or leg veins with compression and maneuvers 93971

This is a non-invasive procedure using sound waves to visualize veins in an arm or leg. It involves applying gentle pressure and performing certain movements. It helps identify any abnormal blood flow or clots, ensuring vascular health.

11 services11 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.

DR. LINDA SAU MAR D.O.

Radiology (Diagnostic Radiology)

2801 K ST, SUITE 502
SACRAMENTO, CA 95816

Sacramento County (916) 733-4400

TORREY-NICKERSON PHYSICAL THERAPY

Specialist

2801 K ST, STE 310
SACRAMENTO, CA 95816

Sacramento County (916) 353-2270

MS. MAUDE LITTLEFIELD BLUNDELL MS

Genetic Counselor, MS

2801 K ST, SUITE 110
SACRAMENTO, CA 95816

Sacramento County (916) 213-6036

CHARLES MCDONNELL MD

Radiology (Body Imaging)

2801 K ST, SUITE 502
SACRAMENTO, CA 95816

Sacramento County (877) 515-0053

LEON SIMMS PA-C

Physician Assistant (Surgical)

2801 K ST, SUITE 310
SACRAMENTO, CA 95816

Sacramento County (916) 454-6677

RADIOLOGICAL ASSOCIATES OF SACRAMENTO MEDICAL GROUP

Radiology (Diagnostic Radiology)

2801 K ST, STE 110
SACRAMENTO, CA 95816

Sacramento County (916) 733-5051

DR. DON CHARLES LOOMER M.D.

Radiology (Diagnostic Radiology)

2801 K ST, SUITE 502
SACRAMENTO, CA 95816

Sacramento County (877) 515-0053

DR. DAVID JAY SEIDENWURM M.D.

Radiology (Neuroradiology)

2801 K ST, SUITE 115
SACRAMENTO, CA 95816

Sacramento County (916) 453-9999

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 Letizia Antonietti's NPI number?

The NPI number for Letizia Antonietti is 1881866341. It was assigned to this individual provider in the NPPES registry on March 25, 2008.

Where is Letizia Antonietti located?

Letizia Antonietti practices at 2801 K St Suite 502, Sacramento, CA 95816. The listed phone number is (877) 515-0053.

What is Letizia Antonietti's specialty?

The primary specialty registered for this NPI is Radiology, specializing in Neuroradiology, with taxonomy code 2085N0700X.

Is Letizia Antonietti enrolled in Medicare?

Yes. Letizia Antonietti 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 Letizia Antonietti's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Letizia Antonietti reassigns Medicare benefits to 2 organizations: Sutter Valley Medical Foundation (Sacramento, CA) and University Of California Sfgh Medical Group (San Francisco, CA). 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 Letizia Antonietti'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 Letizia Antonietti was last updated on July 28, 2015. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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.