DR. RYAN B VIETS MD
NPI 1568617108
Radiology - Neuroradiology in La Mesa, CA

Q: What is Ryan Viets's NPI number?

The NPI number for Ryan Viets is 1568617108. It was assigned to this individual provider in the NPPES registry on November 24, 2008.

Q: What is Ryan Viets's specialty?

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

Q: When was this NPI record last updated?

The NPPES record for Ryan Viets was last updated on October 2, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.

Active since November 24, 2008PECOS EnrolledAccepts Medicare Assignment

5555 GROSSMONT CENTER DR, LA MESA, CA 91942(619) 740-4034(619) 740-4324 Get Directions Write a Review

NPPES record last updated: October 2, 2020. Verified against the NPPES registry weekly; last sync: October 18, 2026.

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About Dr. Ryan B Viets Md NPPES

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

DR. RYAN B VIETS MD (NPI 1568617108) is an individual neuroradiology provider in La Mesa, California, licensed in California (A151144) and active in the NPI registry since November 2008. He is enrolled in Medicare PECOS and is a graduate of University Of Southern California Keck School Of Medicine (2006).

NPPES Registry Identity

NPI1568617108

Entity TypeIndividualMale

Primary Taxonomy2085N0700X

Provider Legal NameDR. RYAN B VIETSCredential: MD

Location Address5555 GROSSMONT CENTER DRLa Mesa, CA 91942

Mailing Address7777 Alvarado Road # 108La Mesa, CA 91942 · (619) 460-2770 · Fax (619) 460-2774

Phone(619) 740-4034

Fax(619) 740-4324

Sole ProprietorNo

Medical School CMSUniversity Of Southern California Keck School Of MedicineGraduated 2006

Enumeration DateNovember 24, 2008

Last NPPES UpdateOctober 2, 2020

NPPES CertifiedOctober 2, 2020

✔ NPI 1568617108 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 · A151144

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 ListedRadiology · Diagnostic RadiologyTaxonomy 2085R0202X · License A125809 (CA), 2012012483 (MO)

Also ListedSurgeryTaxonomy 208600000X · License A151144 (CA)

5555 GROSSMONT CENTER DR, La Mesa, CA 91942

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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. Ryan B Viets Md 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 ID2567618739

PECOS Enrollment IDI20140207001708

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 Ryan Viets reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Emergency And Acute Care Medical Corporation

8.7 mi

Emergency Medicine

7901 FROST ST
San Diego, CA 92123

Reassigned Medicare billing, California enrollment
1,437 clinicians in this Medicare group

NPI 1437103942 (858) 939-3400

California Center For Neurointerventional Surgery

15 mi

Specialist

9834 GENESEE AVE, 411
La Jolla, CA 92037

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

NPI 1598049272 (858) 677-1755

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 13

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.

Critical care, first 30-74 minutes 99291

Critical care involves immediate and constant attention by a team of specially-trained health professionals. It's for patients with life-threatening conditions, requiring first 30-74 minutes of intense monitoring and treatment.

105 services54 patients

Insertion of tube into abdominal, pelvic, or leg artery, initial second order branch 36246

This procedure involves the placement of a tube into an artery in your abdomen, pelvis, or leg. The tube is inserted into a secondary branch of the main artery. This helps doctors access the artery to diagnose or treat certain conditions.

39 services34 patients

Ultrasonic guidance for blood vessel access 76937

Ultrasonic guidance for blood vessel access is a medical procedure where sound waves are used to create images of your blood vessels. This helps doctors to accurately locate and access the vessels for treatments or tests, ensuring safety and precision.

38 services33 patients

Review by radiologist of arm or leg artery image 75710

This procedure involves a radiologist examining images of your arm or leg arteries. These images are obtained through a non-invasive method, like an ultrasound or CT scan. The radiologist reviews these images to identify any abnormalities, such as blockages or narrowing, which can affect blood flow.

37 services32 patients

Use of a drug to induce depression of consciousness by physician performing a procedure (5 years or older), initial 15 minutes 99152

This procedure involves a doctor administering a medication to reduce your consciousness during a procedure. This helps in managing discomfort and anxiety. The initial application lasts for 15 minutes and is for individuals aged 5 years or older.

26 services13 patients

Insertion of tube into intracranial artery for diagnosis or treatment with review by radiologist 36223

This procedure involves placing a tube into an artery in the brain. It's typically done for diagnostic purposes or treatment. A radiologist, a doctor specializing in imaging, reviews the process to ensure accuracy and safety.

21 services17 patients

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214

This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.

20 services19 patients

Critical care, each additional 30 minutes 99292

Critical care refers to special attention given to patients facing life-threatening conditions. Each additional 30 minutes indicates the extension of this specialized care. This might include close monitoring, medication adjustments, and immediate interventions as needed.

19 services19 patients

Removal of blood clot and injection to dissolve blood clot from head artery using fluoroscopic guidance 61645

This procedure involves removing a blood clot from a head artery. A special imaging technique called fluoroscopy is used for guidance. Additionally, an injection is given to help dissolve any remaining clot. This helps restore normal blood flow to the brain.

18 services18 patients

Insertion of tube into internal neck artery for diagnosis or treatment with review by radiologist 36224

This procedure involves placing a small tube into your neck artery. It helps diagnose or treat certain conditions. A radiologist, a doctor specializing in medical imaging, reviews the process to ensure accuracy and safety.

17 services15 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.

16 services15 patients

Insertion of tube into chest artery for diagnosis or treatment with review by radiologist 36225

This procedure involves placing a small tube into a chest artery. It helps diagnose or treat certain heart conditions. A radiologist, a doctor specialized in imaging techniques, will review the results to ensure accuracy and effectiveness.

13 services11 patients

New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204

This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.

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.

ALHELI BAILY

Registered Nurse

5555 GROSSMONT CENTER DR
LA MESA, CA 91942

San Diego County (619) 740-6000

MISS APRIL JULIA CROMIE PMHNP-BC, APRN, MSN

Nurse Practitioner (Psychiatric/Mental Health)

5555 GROSSMONT CENTER DR, 5555 GROSSMONT CENTER DR
LA MESA, CA 91942

San Diego County (858) 296-6182

TEAGAN SHEA COLEMAN

Registered Nurse (Emergency)

5555 GROSSMONT CENTER DR
LA MESA, CA 91942

San Diego County (619) 740-6000

BRENDAN J LEE DO

Emergency Medicine

5555 GROSSMONT CENTER DR
LA MESA, CA 91942

San Diego County (619) 644-4401

PAUL Y ABOU MD

Internal Medicine

5555 GROSSMONT CENTER DR
LA MESA, CA 91942

San Diego County (619) 465-0711

MRS. AMY ELIZABETH VU P.A.-C

Physician Assistant

5555 GROSSMONT CENTER DR
LA MESA, CA 91942

San Diego County (619) 740-6000

CHRISTA ANN LANDOWSKA AREFIEVA MD

Emergency Medicine

5555 GROSSMONT CENTER DR
LA MESA, CA 91942

San Diego County (619) 740-6000

TYLER QUOC NGUYEN

Pharmacist

5555 GROSSMONT CENTER DR
LA MESA, CA 91942

San Diego County (619) 740-6000

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 Ryan Viets's NPI number?

The NPI number for Ryan Viets is 1568617108. It was assigned to this individual provider in the NPPES registry on November 24, 2008.

Where is Ryan Viets located?

Ryan Viets practices at 5555 Grossmont Center Dr, La Mesa, CA 91942. The listed phone number is (619) 740-4034.

What is Ryan Viets's specialty?

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

Is Ryan Viets enrolled in Medicare?

Yes. Ryan Viets 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 Ryan Viets's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Ryan Viets reassigns Medicare benefits to 2 organizations: Emergency And Acute Care Medical Corporation (San Diego, CA) and California Center For Neurointerventional Surgery (La Jolla, 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 Ryan Viets'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 Ryan Viets was last updated on October 2, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.