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DR. ARIANA MARIE NELSON M.D.
NPI 1083932255
Anesthesiology - Pain Medicine in Irvine, CA

Active since May 12, 2010PECOS EnrolledAccepts Medicare Assignment
19200 JAMBOREE RD, IRVINE, CA 92612(714) 456-8888 Get Directions Write a Review

NPPES record last updated: October 30, 2024. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Dr. Ariana Marie Nelson M.d. NPPES

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

DR. ARIANA MARIE NELSON M.D. (NPI 1083932255) is an individual pain medicine provider in Irvine, California, licensed in California (A137655) and active in the NPI registry since May 2010. She is enrolled in Medicare PECOS, maintains a secondary practice location in Orange, and is a graduate of University Of Michigan Medical School (2010).

NPPES Registry Identity

NPI1083932255
Entity TypeIndividualFemale
Primary Taxonomy207LP2900X
Provider Legal NameDR. ARIANA MARIE NELSONCredential: M.D.
Location Address19200 JAMBOREE RDIrvine, CA 92612-2570
Mailing Address101 The City Dr SOrange, CA 92868-3201 · (714) 456-8888
Phone(714) 456-8888
Sole ProprietorNo
Medical School CMSUniversity Of Michigan Medical SchoolGraduated 2010
Enumeration DateMay 12, 2010
Last NPPES UpdateOctober 30, 2024
NPPES CertifiedOctober 30, 2024
✔ NPI 1083932255 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyAnesthesiology · Pain MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207LP2900X
License✔ Licensed in CA · A137655
Definition
An anesthesiologist who provides a high level of care, either as a primary physician or consultant, for patients experiencing problems with acute, chronic and/or cancer pain in both hospital and ambulatory settings. Patient care needs are also coordinated with other specialists.
Also ListedAnesthesiologyTaxonomy 207L00000X · License A137655 (CA)
19200 JAMBOREE RD, Irvine, CA 92612
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Other Names 1

Former Name (1)Erin Marie Marciniec

Secondary Practice Location 1

Location 1101 The City Dr SOrange, CA 92868-3201 · Phone (714) 880-7812

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. Ariana Marie Nelson 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 ID6709194897
PECOS Enrollment IDI20151009002069
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 Reassignment

Medicare enrollment records show Ariana Nelson reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Regents Of The University Of
8.8 mi
Anesthesiology
101 THE CITY DR SOUTH
Orange, CA 92868
  • Reassigned Medicare billing, California enrollment
  • 420 clinicians in this Medicare group
NPI 1487602546 (714) 456-8068

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 9

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.

Telephone medical discussion with physician, 21-30 minutes 99443
This service involves a 21-30 minute phone conversation with a physician. It's a chance for you to discuss your health concerns, symptoms or treatment plans. It's similar to an in-person consultation, but conducted over the phone for your convenience and safety.
108 services67 patients
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232
Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.
84 services39 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.
40 services31 patients
Injection of trigger points, 3 or more muscles 20553
Trigger point injection therapy involves injecting medication into specific areas of your muscles, known as trigger points. These are areas that produce pain and discomfort. If you have three or more muscles affected, each will be treated individually.
24 services15 patients
Injection of substance into lower spine canal using imaging guidance 62323
This procedure involves injecting a substance into your lower spine canal, guided by real-time images. It's done to diagnose or treat various conditions. You may feel slight discomfort, but it's generally safe and can provide valuable information for your treatment plan.
23 services21 patients
Fluoroscopic guidance for needle placement 77002
Fluoroscopic guidance for needle placement is a medical procedure that uses a special X-ray technology to help accurately place a needle in the body. It's often used in biopsies, injections or other treatments to ensure precision and safety.
16 services11 patients

Other Providers at the Same Location NPPES 3

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

JOSEPH ERWIN NGO SALUNDAY DNP, FNP-C
Nurse Practitioner (Family)
19200 JAMBOREE RD
IRVINE, CA 92612
Orange County (714) 456-8000
DR. LISA A SNIDER MD
Pediatrics (Developmental - Behavioral Pediatrics)
19200 JAMBOREE RD
IRVINE, CA 92612
Orange County (714) 456-8888
KIMBERLY ANN SUNG
Nurse Practitioner
19200 JAMBOREE RD
IRVINE, CA 92612
Orange County (714) 456-8888

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 Ariana Nelson's NPI number?

The NPI number for Ariana Nelson is 1083932255. It was assigned to this individual provider in the NPPES registry on May 12, 2010. The provider is also known as Erin Marie Marciniec.

Where is Ariana Nelson located?

Ariana Nelson practices at 19200 Jamboree Rd, Irvine, CA 92612. The listed phone number is (714) 456-8888.

What is Ariana Nelson's specialty?

The primary specialty registered for this NPI is Anesthesiology, specializing in Pain Medicine, with taxonomy code 207LP2900X.

Is Ariana Nelson enrolled in Medicare?

Yes. Ariana Nelson 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 organization bills Medicare for Ariana Nelson's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Ariana Nelson reassigns Medicare benefits to Regents Of The University Of (Orange, CA). The 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 Ariana Nelson'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 Ariana Nelson was last updated on October 30, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.